/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_spec2_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 00:41:29,931 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 00:41:29,935 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 00:41:29,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 00:41:29,980 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 00:41:29,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 00:41:29,991 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 00:41:29,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 00:41:29,997 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 00:41:30,000 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 00:41:30,002 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 00:41:30,003 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 00:41:30,003 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 00:41:30,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 00:41:30,008 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 00:41:30,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 00:41:30,012 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 00:41:30,013 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 00:41:30,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 00:41:30,026 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 00:41:30,028 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 00:41:30,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 00:41:30,030 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 00:41:30,031 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 00:41:30,034 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 00:41:30,034 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 00:41:30,034 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 00:41:30,035 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 00:41:30,036 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 00:41:30,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 00:41:30,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 00:41:30,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 00:41:30,042 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 00:41:30,043 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 00:41:30,044 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 00:41:30,044 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 00:41:30,049 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 00:41:30,049 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 00:41:30,049 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 00:41:30,051 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 00:41:30,051 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 00:41:30,052 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 00:41:30,100 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 00:41:30,100 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 00:41:30,103 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 00:41:30,103 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 00:41:30,103 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 00:41:30,103 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 00:41:30,104 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 00:41:30,104 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 00:41:30,104 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 00:41:30,104 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 00:41:30,105 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 00:41:30,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 00:41:30,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 00:41:30,106 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 00:41:30,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 00:41:30,107 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 00:41:30,107 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 00:41:30,107 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 00:41:30,107 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 00:41:30,108 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 00:41:30,108 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 00:41:30,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 00:41:30,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 00:41:30,108 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 00:41:30,109 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 00:41:30,109 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 00:41:30,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 00:41:30,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 00:41:30,109 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 00:41:30,110 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 00:41:30,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 00:41:30,665 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 00:41:30,670 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 00:41:30,673 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 00:41:30,674 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 00:41:30,675 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product61.cil.c [2020-09-25 00:41:30,773 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/88f8d6f76/cb884c0176994e4fb338c901b0b4e503/FLAGd3dfc0272 [2020-09-25 00:41:31,350 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 00:41:31,351 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product61.cil.c [2020-09-25 00:41:31,367 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/88f8d6f76/cb884c0176994e4fb338c901b0b4e503/FLAGd3dfc0272 [2020-09-25 00:41:31,608 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/88f8d6f76/cb884c0176994e4fb338c901b0b4e503 [2020-09-25 00:41:31,622 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 00:41:31,627 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 00:41:31,628 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 00:41:31,628 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 00:41:31,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 00:41:31,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:41:31" (1/1) ... [2020-09-25 00:41:31,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22589b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:41:31, skipping insertion in model container [2020-09-25 00:41:31,638 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:41:31" (1/1) ... [2020-09-25 00:41:31,647 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 00:41:31,709 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 00:41:32,193 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:41:32,213 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 00:41:32,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:41:32,368 INFO L208 MainTranslator]: Completed translation [2020-09-25 00:41:32,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:41:32 WrapperNode [2020-09-25 00:41:32,369 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 00:41:32,370 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 00:41:32,370 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 00:41:32,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 00:41:32,391 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:41:32" (1/1) ... [2020-09-25 00:41:32,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:41:32" (1/1) ... [2020-09-25 00:41:32,436 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:41:32" (1/1) ... [2020-09-25 00:41:32,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:41:32" (1/1) ... [2020-09-25 00:41:32,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:41:32" (1/1) ... [2020-09-25 00:41:32,500 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:41:32" (1/1) ... [2020-09-25 00:41:32,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:41:32" (1/1) ... [2020-09-25 00:41:32,536 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 00:41:32,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 00:41:32,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 00:41:32,541 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 00:41:32,544 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:41:32" (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 00:41:32,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 00:41:32,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 00:41:32,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 00:41:32,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 00:41:32,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 00:41:32,650 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 00:41:32,650 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 00:41:32,650 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 00:41:32,651 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 00:41:32,651 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 00:41:32,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 00:41:32,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 00:41:32,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 00:41:32,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 00:41:32,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 00:41:32,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 00:41:32,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 00:41:32,652 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 00:41:32,653 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 00:41:32,653 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 00:41:32,653 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 00:41:32,653 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 00:41:32,654 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 00:41:32,654 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 00:41:32,654 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 00:41:32,654 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 00:41:32,654 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 00:41:32,654 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 00:41:32,655 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 00:41:32,655 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 00:41:32,655 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 00:41:32,655 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 00:41:32,655 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 00:41:32,655 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 00:41:32,656 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 00:41:32,656 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 00:41:32,656 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 00:41:32,656 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 00:41:32,656 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 00:41:32,657 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 00:41:32,657 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 00:41:32,657 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 00:41:32,657 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 00:41:32,657 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 00:41:32,657 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 00:41:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 00:41:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 00:41:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 00:41:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 00:41:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 00:41:32,659 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 00:41:32,659 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 00:41:32,659 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 00:41:32,659 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 00:41:32,659 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 00:41:32,659 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 00:41:32,660 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 00:41:32,660 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 00:41:32,660 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 00:41:32,660 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 00:41:32,660 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 00:41:32,660 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 00:41:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 00:41:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 00:41:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 00:41:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 00:41:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 00:41:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 00:41:32,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 00:41:32,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 00:41:32,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 00:41:32,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 00:41:32,662 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 00:41:32,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 00:41:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 00:41:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 00:41:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 00:41:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 00:41:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 00:41:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 00:41:32,664 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 00:41:32,664 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 00:41:32,664 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 00:41:32,664 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 00:41:32,664 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 00:41:32,664 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 00:41:32,665 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 00:41:32,665 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 00:41:32,665 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 00:41:32,665 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 00:41:32,665 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 00:41:32,665 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 00:41:32,665 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 00:41:32,666 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 00:41:32,666 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 00:41:32,666 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 00:41:32,666 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 00:41:32,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 00:41:32,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 00:41:32,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 00:41:33,998 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 00:41:33,998 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 00:41:34,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:41:34 BoogieIcfgContainer [2020-09-25 00:41:34,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 00:41:34,019 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 00:41:34,019 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 00:41:34,023 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 00:41:34,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:41:31" (1/3) ... [2020-09-25 00:41:34,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d521cad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:41:34, skipping insertion in model container [2020-09-25 00:41:34,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:41:32" (2/3) ... [2020-09-25 00:41:34,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d521cad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:41:34, skipping insertion in model container [2020-09-25 00:41:34,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:41:34" (3/3) ... [2020-09-25 00:41:34,028 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product61.cil.c [2020-09-25 00:41:34,042 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 00:41:34,056 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 00:41:34,080 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 00:41:34,121 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 00:41:34,121 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 00:41:34,122 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 00:41:34,122 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 00:41:34,122 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 00:41:34,122 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 00:41:34,122 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 00:41:34,122 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 00:41:34,150 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states. [2020-09-25 00:41:34,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 00:41:34,170 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:41:34,172 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:41:34,172 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:41:34,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:41:34,181 INFO L82 PathProgramCache]: Analyzing trace with hash 425462913, now seen corresponding path program 1 times [2020-09-25 00:41:34,192 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:41:34,193 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [557953864] [2020-09-25 00:41:34,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:41:34,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:41:34,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:41:34,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:41:35,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:41:36,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:41:37,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:41:39,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:41:39,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 00:41:39,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 00:41:39,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 00:41:39,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:41:39,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:41:39,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 145 [2020-09-25 00:41:39,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 00:41:39,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-09-25 00:41:40,085 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:41:40,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:41:40,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:41:40,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:41:40,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:41:40,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:41:40,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:41:40,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-09-25 00:41:40,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:41:40,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:41:40,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:41:40,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:41:40,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:41:40,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 00:41:40,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:41:40,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:41:40,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:41:40,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:41:40,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:41:40,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:41:40,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:41:40,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:41:40,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:41:40,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:41:40,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:41:40,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 00:41:40,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:41:40,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:41:40,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:41:40,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:41:40,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:41:40,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:41:40,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:41:40,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:41:40,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:41:40,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:41:40,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:41:40,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 00:41:40,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:41:40,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:41:40,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:41:40,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:41:40,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:41:40,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:41:40,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:41:40,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:41:40,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:41:40,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:41:40,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:41:40,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 00:41:40,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:41:40,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:41:40,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:41:40,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:41:40,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:41:40,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:41:40,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:41:40,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:41:40,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:41:40,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:41:40,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:41:40,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 00:41:40,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:41:40,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:41:40,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:41:40,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:41:40,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:41:40,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:41:40,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:41:40,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:41:40,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:41:40,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:41:40,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:41:40,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 00:41:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:41:40,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:41:40,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:41:40,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:41:40,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:41:40,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 00:41:40,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:41:40,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:41:40,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:41:40,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:41:40,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:41:40,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 00:41:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:41:40,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:41:40,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:41:40,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:41:40,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:41:40,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 00:41:40,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:41:40,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:41:40,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:41:40,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:41:40,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:41:40,561 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 00:41:40,562 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [557953864] [2020-09-25 00:41:40,565 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:41:40,565 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 00:41:40,566 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475634152] [2020-09-25 00:41:40,576 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 00:41:40,576 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:41:40,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 00:41:40,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 00:41:40,601 INFO L87 Difference]: Start difference. First operand 350 states. Second operand 9 states. [2020-09-25 00:41:41,340 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:41:42,550 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:41:42,866 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 00:41:43,213 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:41:43,574 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 00:41:43,882 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:41:45,007 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:41:45,348 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:41:45,702 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:41:46,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:41:46,908 INFO L93 Difference]: Finished difference Result 681 states and 834 transitions. [2020-09-25 00:41:46,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 00:41:46,911 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 148 [2020-09-25 00:41:46,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:41:46,935 INFO L225 Difference]: With dead ends: 681 [2020-09-25 00:41:46,936 INFO L226 Difference]: Without dead ends: 455 [2020-09-25 00:41:46,943 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2020-09-25 00:41:46,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2020-09-25 00:41:47,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 405. [2020-09-25 00:41:47,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2020-09-25 00:41:47,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 455 transitions. [2020-09-25 00:41:47,091 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 455 transitions. Word has length 148 [2020-09-25 00:41:47,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:41:47,092 INFO L479 AbstractCegarLoop]: Abstraction has 405 states and 455 transitions. [2020-09-25 00:41:47,092 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 00:41:47,093 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 455 transitions. [2020-09-25 00:41:47,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-09-25 00:41:47,099 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:41:47,100 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:41:47,100 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 00:41:47,100 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:41:47,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:41:47,101 INFO L82 PathProgramCache]: Analyzing trace with hash -317273001, now seen corresponding path program 1 times [2020-09-25 00:41:47,101 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:41:47,102 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1624730706] [2020-09-25 00:41:47,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:41:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:41:47,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:41:47,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:41:47,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:41:47,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:41:51,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:41:51,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:41:52,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:41:52,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 296 [2020-09-25 00:41:52,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 00:41:52,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-09-25 00:41:52,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:41:52,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:41:52,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 213 [2020-09-25 00:41:52,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:41:52,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:41:52,455 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:41:52,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:41:52,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:41:52,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:41:52,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:41:52,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:41:52,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:41:52,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-09-25 00:41:52,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:41:52,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:41:52,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:41:52,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:41:52,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:41:52,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 00:41:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:41:52,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:41:52,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:41:52,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:41:52,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:41:52,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:41:52,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:41:52,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:41:52,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:41:52,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:41:52,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:41:52,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 00:41:52,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:41:52,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:41:52,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:41:52,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:41:52,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:41:52,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 00:41:52,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:41:52,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:41:52,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:41:52,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:41:52,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:41:52,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 00:41:52,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:41:52,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:41:52,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:41:52,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:41:52,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:41:52,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 00:41:52,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:41:52,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:41:52,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:41:52,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:41:52,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:41:52,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 00:41:52,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:41:52,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:41:52,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:41:52,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:41:52,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:41:52,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:41:52,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:41:52,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:41:52,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:41:52,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:41:52,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:41:52,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 00:41:52,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:41:52,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:41:52,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:41:52,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:41:52,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:41:52,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:41:52,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:41:52,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:41:52,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:41:52,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:41:52,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 00:41:52,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 00:41:52,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:41:52,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:41:52,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:41:52,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-25 00:41:52,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:41:52,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:41:52,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:41:52,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:41:52,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:41:52,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:41:52,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:41:52,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:41:52,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:41:52,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:41:52,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:41:52,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 00:41:52,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:41:52,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:41:52,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:41:52,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:41:52,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:41:52,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:41:52,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:41:52,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:41:52,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:41:52,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:41:52,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:41:52,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:41:52,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:41:52,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:41:52,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:41:52,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:41:52,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:41:52,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:41:52,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:41:52,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 00:41:52,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:41:52,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:41:52,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:41:52,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:41:52,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:41:52,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-09-25 00:41:52,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:41:52,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:41:52,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 00:41:52,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:41:52,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:41:52,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:41:52,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:41:52,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:41:52,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:41:52,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 00:41:52,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:41:52,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-09-25 00:41:52,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:41:52,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:41:52,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 00:41:52,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:41:52,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:41:52,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:41:52,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:41:53,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:41:53,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:41:53,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 00:41:53,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:41:53,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-09-25 00:41:53,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:41:53,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:41:53,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 00:41:53,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:41:53,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:41:53,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:41:53,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:41:53,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:41:53,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:41:53,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:41:53,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:41:53,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 00:41:53,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:41:53,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:41:53,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:41:53,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 00:41:53,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:41:53,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:41:53,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:41:53,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:41:53,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:41:53,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:41:53,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:41:53,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:41:53,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:41:53,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:41:53,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:41:53,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:41:53,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:41:53,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:41:53,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:41:53,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:41:53,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:41:53,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 00:41:53,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:41:53,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 00:41:53,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:41:53,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:41:53,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 00:41:53,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:41:53,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 00:41:53,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:41:53,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:41:53,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:41:53,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:41:53,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 00:41:53,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:41:53,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:41:53,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:41:53,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:41:53,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:41:53,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:41:53,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:41:53,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:41:53,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:41:53,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:41:53,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:41:53,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:41:53,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:41:53,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:41:53,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:41:53,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:41:53,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:41:53,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:41:53,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:41:53,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 00:41:53,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:41:53,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:41:53,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:41:53,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:41:53,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:41:53,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:41:53,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:41:53,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:41:53,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:41:53,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:41:53,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:41:53,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-25 00:41:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:41:53,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:41:53,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:41:53,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:41:53,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:41:53,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:41:53,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:41:53,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:41:53,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:41:53,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:41:53,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:41:53,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-25 00:41:53,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:41:53,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:41:53,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:41:53,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:41:53,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:41:53,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:41:53,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:41:53,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:41:53,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:41:53,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:41:53,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:41:53,386 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-25 00:41:53,387 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1624730706] [2020-09-25 00:41:53,387 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 00:41:53,387 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-25 00:41:53,388 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548552065] [2020-09-25 00:41:53,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 00:41:53,392 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:41:53,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 00:41:53,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-09-25 00:41:53,394 INFO L87 Difference]: Start difference. First operand 405 states and 455 transitions. Second operand 11 states. [2020-09-25 00:41:54,921 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:41:55,213 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 00:41:55,561 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 00:41:55,883 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:41:56,206 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 00:41:56,500 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:41:57,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:41:57,955 INFO L93 Difference]: Finished difference Result 800 states and 989 transitions. [2020-09-25 00:41:57,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 00:41:57,957 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 239 [2020-09-25 00:41:57,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:41:57,964 INFO L225 Difference]: With dead ends: 800 [2020-09-25 00:41:57,965 INFO L226 Difference]: Without dead ends: 510 [2020-09-25 00:41:57,969 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2020-09-25 00:41:57,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2020-09-25 00:41:58,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 419. [2020-09-25 00:41:58,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2020-09-25 00:41:58,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 475 transitions. [2020-09-25 00:41:58,044 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 475 transitions. Word has length 239 [2020-09-25 00:41:58,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:41:58,045 INFO L479 AbstractCegarLoop]: Abstraction has 419 states and 475 transitions. [2020-09-25 00:41:58,045 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 00:41:58,045 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 475 transitions. [2020-09-25 00:41:58,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-09-25 00:41:58,049 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:41:58,049 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:41:58,050 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 00:41:58,050 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:41:58,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:41:58,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1610194053, now seen corresponding path program 1 times [2020-09-25 00:41:58,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:41:58,051 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1934129885] [2020-09-25 00:41:58,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:41:58,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:41:58,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:41:58,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:41:59,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:41:59,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:03,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:03,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-09-25 00:42:03,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 00:42:03,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-09-25 00:42:03,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:03,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-25 00:42:03,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 203 [2020-09-25 00:42:03,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-25 00:42:03,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:03,523 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:42:03,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:42:03,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:03,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:03,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:03,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:42:03,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:03,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-09-25 00:42:03,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:03,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:03,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:03,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:03,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:03,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 00:42:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:03,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:03,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:03,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:42:03,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:03,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:42:03,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:03,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:03,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:03,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:03,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:03,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 00:42:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:03,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:03,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:03,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:42:03,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:03,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:42:03,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:03,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:03,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:03,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:03,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:03,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 00:42:03,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:03,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:03,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:03,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:42:03,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:03,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:42:03,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:03,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:03,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:03,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:03,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:03,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 00:42:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:03,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:03,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:03,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:42:03,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:03,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:42:03,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:03,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:03,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:03,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:03,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:03,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 00:42:03,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:03,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:03,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:03,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:42:03,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:03,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:42:03,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:03,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:03,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:03,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:03,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:03,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 00:42:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:03,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:03,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:04,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:04,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:42:04,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:42:04,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 857 [2020-09-25 00:42:04,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:04,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:42:04,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 00:42:04,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:42:04,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:04,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:42:04,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:04,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:04,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:04,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 00:42:04,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:04,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-09-25 00:42:04,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:04,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:42:04,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 00:42:04,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:42:04,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:04,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:42:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:04,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:04,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:04,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 00:42:04,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:04,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-09-25 00:42:04,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:04,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:42:04,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 00:42:04,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:42:04,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:04,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:42:04,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:04,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:04,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:04,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:42:04,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:04,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 00:42:04,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:04,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:42:04,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 00:42:04,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:42:04,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:04,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:42:04,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:04,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:04,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:04,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:42:04,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:04,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 00:42:04,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:04,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 00:42:04,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:04,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:42:04,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:04,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:42:04,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:04,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:04,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:04,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 00:42:04,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:04,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 00:42:04,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:04,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:04,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 00:42:04,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:04,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:42:04,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:42:04,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:04,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:04,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:04,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 00:42:04,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:04,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:42:04,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:04,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:04,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:04,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:04,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:42:04,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:42:04,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:04,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:04,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:04,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:42:04,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:04,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:42:04,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:04,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:04,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:04,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:04,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:42:04,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 00:42:04,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:04,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:04,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:04,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:42:04,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:04,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:42:04,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:04,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:04,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:04,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:04,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:42:05,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-09-25 00:42:05,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:05,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:05,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:05,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:42:05,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:05,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 00:42:05,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:05,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:42:05,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:05,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:42:05,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:42:05,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-09-25 00:42:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:05,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:05,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:05,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:42:05,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:05,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:42:05,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:05,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:05,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:42:05,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:05,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:42:05,175 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 00:42:05,176 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1934129885] [2020-09-25 00:42:05,176 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:42:05,177 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-25 00:42:05,178 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974620377] [2020-09-25 00:42:05,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-25 00:42:05,180 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:42:05,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-25 00:42:05,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-09-25 00:42:05,181 INFO L87 Difference]: Start difference. First operand 419 states and 475 transitions. Second operand 14 states. [2020-09-25 00:42:05,861 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:42:06,934 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 00:42:07,311 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 00:42:07,708 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 00:42:08,099 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-25 00:42:08,454 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 00:42:08,972 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 00:42:09,348 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 00:42:09,678 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:42:10,022 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 00:42:10,344 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:42:10,704 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 00:42:11,084 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 00:42:11,490 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 00:42:11,999 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:42:12,351 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 00:42:12,719 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:42:13,105 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 00:42:13,437 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:42:16,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:42:16,214 INFO L93 Difference]: Finished difference Result 1155 states and 1488 transitions. [2020-09-25 00:42:16,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-09-25 00:42:16,216 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 214 [2020-09-25 00:42:16,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:42:16,223 INFO L225 Difference]: With dead ends: 1155 [2020-09-25 00:42:16,223 INFO L226 Difference]: Without dead ends: 817 [2020-09-25 00:42:16,227 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 275 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=280, Invalid=1202, Unknown=0, NotChecked=0, Total=1482 [2020-09-25 00:42:16,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 817 states. [2020-09-25 00:42:16,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 817 to 684. [2020-09-25 00:42:16,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 684 states. [2020-09-25 00:42:16,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 779 transitions. [2020-09-25 00:42:16,362 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 779 transitions. Word has length 214 [2020-09-25 00:42:16,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:42:16,363 INFO L479 AbstractCegarLoop]: Abstraction has 684 states and 779 transitions. [2020-09-25 00:42:16,364 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-25 00:42:16,364 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 779 transitions. [2020-09-25 00:42:16,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-09-25 00:42:16,368 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:42:16,369 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:42:16,369 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 00:42:16,369 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:42:16,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:42:16,369 INFO L82 PathProgramCache]: Analyzing trace with hash -777451088, now seen corresponding path program 1 times [2020-09-25 00:42:16,370 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:42:16,370 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1278792233] [2020-09-25 00:42:16,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:42:16,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:16,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:16,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking...