/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=HIGHLEXORDER --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 22:36:01,031 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 22:36:01,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 22:36:01,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 22:36:01,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 22:36:01,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 22:36:01,102 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 22:36:01,104 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 22:36:01,106 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 22:36:01,107 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 22:36:01,108 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 22:36:01,109 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 22:36:01,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 22:36:01,110 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 22:36:01,111 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 22:36:01,112 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 22:36:01,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 22:36:01,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 22:36:01,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 22:36:01,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 22:36:01,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 22:36:01,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 22:36:01,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 22:36:01,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 22:36:01,126 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 22:36:01,126 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 22:36:01,126 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 22:36:01,127 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 22:36:01,128 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 22:36:01,129 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 22:36:01,129 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 22:36:01,130 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 22:36:01,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 22:36:01,132 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 22:36:01,133 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 22:36:01,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 22:36:01,134 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 22:36:01,134 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 22:36:01,135 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 22:36:01,136 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 22:36:01,137 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 22:36:01,138 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 [2020-09-24 22:36:01,164 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 22:36:01,164 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 22:36:01,166 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 22:36:01,166 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 22:36:01,167 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 22:36:01,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 22:36:01,167 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 22:36:01,167 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 22:36:01,168 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 22:36:01,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 22:36:01,168 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 22:36:01,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 22:36:01,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 22:36:01,169 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 22:36:01,169 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 22:36:01,169 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 22:36:01,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 22:36:01,170 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 22:36:01,170 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 22:36:01,170 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 22:36:01,170 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 22:36:01,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 22:36:01,171 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 22:36:01,171 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 22:36:01,171 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 22:36:01,171 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 22:36:01,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 22:36:01,172 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 22:36:01,172 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 22:36:01,172 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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;log-additional-information=true; [2020-09-24 22:36:01,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 22:36:01,636 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 22:36:01,640 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 22:36:01,642 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 22:36:01,643 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 22:36:01,644 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product61.cil.c [2020-09-24 22:36:01,743 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b448f279a/36a7e79354cd4b89839d2dc0cec7043a/FLAGa8f382ba1 [2020-09-24 22:36:02,362 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 22:36:02,363 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product61.cil.c [2020-09-24 22:36:02,382 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b448f279a/36a7e79354cd4b89839d2dc0cec7043a/FLAGa8f382ba1 [2020-09-24 22:36:02,627 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b448f279a/36a7e79354cd4b89839d2dc0cec7043a [2020-09-24 22:36:02,640 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 22:36:02,647 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 22:36:02,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 22:36:02,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 22:36:02,652 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 22:36:02,653 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:36:02" (1/1) ... [2020-09-24 22:36:02,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@538d8bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:36:02, skipping insertion in model container [2020-09-24 22:36:02,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:36:02" (1/1) ... [2020-09-24 22:36:02,667 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 22:36:02,749 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 22:36:03,248 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:36:03,271 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 22:36:03,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:36:03,441 INFO L208 MainTranslator]: Completed translation [2020-09-24 22:36:03,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:36:03 WrapperNode [2020-09-24 22:36:03,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 22:36:03,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 22:36:03,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 22:36:03,443 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 22:36:03,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:36:03" (1/1) ... [2020-09-24 22:36:03,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:36:03" (1/1) ... [2020-09-24 22:36:03,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:36:03" (1/1) ... [2020-09-24 22:36:03,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:36:03" (1/1) ... [2020-09-24 22:36:03,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:36:03" (1/1) ... [2020-09-24 22:36:03,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:36:03" (1/1) ... [2020-09-24 22:36:03,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:36:03" (1/1) ... [2020-09-24 22:36:03,583 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 22:36:03,584 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 22:36:03,584 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 22:36:03,584 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 22:36:03,587 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:36:03" (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 [2020-09-24 22:36:03,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 22:36:03,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 22:36:03,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 22:36:03,671 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 22:36:03,671 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 22:36:03,671 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 22:36:03,671 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 22:36:03,672 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 22:36:03,672 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 22:36:03,672 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 22:36:03,672 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 22:36:03,673 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 22:36:03,673 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 22:36:03,673 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 22:36:03,673 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 22:36:03,673 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 22:36:03,674 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 22:36:03,674 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 22:36:03,674 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 22:36:03,675 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 22:36:03,675 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 22:36:03,675 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 22:36:03,675 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 22:36:03,675 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 22:36:03,676 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 22:36:03,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 22:36:03,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 22:36:03,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 22:36:03,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 22:36:03,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 22:36:03,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 22:36:03,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-24 22:36:03,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-24 22:36:03,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-24 22:36:03,678 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 22:36:03,678 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 22:36:03,678 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 22:36:03,679 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 22:36:03,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 22:36:03,679 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 22:36:03,679 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 22:36:03,679 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 22:36:03,679 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 22:36:03,680 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 22:36:03,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 22:36:03,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 22:36:03,680 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 22:36:03,680 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 22:36:03,680 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 22:36:03,681 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 22:36:03,681 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 22:36:03,681 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 22:36:03,681 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 22:36:03,682 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 22:36:03,682 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 22:36:03,682 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 22:36:03,682 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 22:36:03,683 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 22:36:03,683 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 22:36:03,683 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 22:36:03,683 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 22:36:03,683 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-24 22:36:03,683 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-24 22:36:03,683 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 22:36:03,684 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 22:36:03,684 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 22:36:03,684 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 22:36:03,684 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 22:36:03,685 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 22:36:03,685 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 22:36:03,685 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 22:36:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 22:36:03,687 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 22:36:03,687 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 22:36:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 22:36:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 22:36:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 22:36:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 22:36:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 22:36:03,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 22:36:03,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 22:36:03,689 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 22:36:03,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 22:36:03,690 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 22:36:03,690 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 22:36:03,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 22:36:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 22:36:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 22:36:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 22:36:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 22:36:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-24 22:36:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 22:36:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 22:36:03,692 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 22:36:03,692 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 22:36:03,692 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 22:36:03,692 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 22:36:03,692 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 22:36:03,692 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 22:36:03,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 22:36:03,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 22:36:03,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 22:36:04,895 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 22:36:04,896 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 22:36:04,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:36:04 BoogieIcfgContainer [2020-09-24 22:36:04,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 22:36:04,905 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 22:36:04,905 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 22:36:04,910 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 22:36:04,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 10:36:02" (1/3) ... [2020-09-24 22:36:04,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30458908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:36:04, skipping insertion in model container [2020-09-24 22:36:04,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:36:03" (2/3) ... [2020-09-24 22:36:04,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30458908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:36:04, skipping insertion in model container [2020-09-24 22:36:04,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:36:04" (3/3) ... [2020-09-24 22:36:04,915 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product61.cil.c [2020-09-24 22:36:04,926 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 22:36:04,940 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 22:36:04,962 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 22:36:04,991 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 22:36:04,991 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 22:36:04,991 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 22:36:04,992 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 22:36:04,992 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 22:36:04,992 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 22:36:04,992 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 22:36:04,992 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 22:36:05,022 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states. [2020-09-24 22:36:05,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-24 22:36:05,042 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:36:05,043 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:36:05,044 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:36:05,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:36:05,052 INFO L82 PathProgramCache]: Analyzing trace with hash 442401887, now seen corresponding path program 1 times [2020-09-24 22:36:05,063 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:36:05,064 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [568410454] [2020-09-24 22:36:05,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:36:05,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:05,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:05,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:06,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:06,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:08,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:10,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:10,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-24 22:36:10,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 22:36:10,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-09-24 22:36:10,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:10,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:36:10,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 161 [2020-09-24 22:36:10,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 22:36:10,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 22:36:11,086 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:36:11,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:36:11,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:11,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:11,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:11,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:36:11,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:11,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-09-24 22:36:11,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:11,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:11,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:11,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:11,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:11,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 22:36:11,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:11,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:11,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:11,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:36:11,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:11,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:36:11,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:11,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:11,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:11,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:11,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:36:11,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 22:36:11,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:11,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:11,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:11,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:36:11,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:11,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:36:11,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:11,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:11,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:11,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:11,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:11,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 22:36:11,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:11,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:11,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:11,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:36:11,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:11,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 22:36:11,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:11,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:11,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:11,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:11,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:11,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 22:36:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:11,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:11,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:11,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:36:11,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:11,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 22:36:11,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:11,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:11,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:11,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:11,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:11,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 22:36:11,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:11,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:11,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:11,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:36:11,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:11,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:36:11,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:11,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:11,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:11,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:11,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:11,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 22:36:11,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:11,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:11,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:11,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 22:36:11,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:11,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 22:36:11,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:11,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:11,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:11,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:11,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:11,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:36:11,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:11,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:11,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:11,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:36:11,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:11,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:36:11,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:11,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:11,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:11,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:11,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:11,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 22:36:11,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:11,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:11,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:11,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:36:11,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:11,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:36:11,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:11,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:36:11,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:11,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:36:11,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-24 22:36:11,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 22:36:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:11,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:11,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:11,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:36:11,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:11,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 22:36:11,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:11,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:36:11,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:11,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:36:11,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 22:36:11,593 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 22:36:11,594 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [568410454] [2020-09-24 22:36:11,596 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:36:11,597 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 22:36:11,598 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159455071] [2020-09-24 22:36:11,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 22:36:11,609 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:36:11,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 22:36:11,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 22:36:11,635 INFO L87 Difference]: Start difference. First operand 359 states. Second operand 9 states. [2020-09-24 22:36:12,271 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:36:13,486 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-24 22:36:14,039 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-24 22:36:15,740 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:36:16,070 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 22:36:16,423 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:36:17,001 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:36:17,329 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:36:17,642 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:36:18,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:36:18,796 INFO L93 Difference]: Finished difference Result 715 states and 866 transitions. [2020-09-24 22:36:18,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-24 22:36:18,798 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-24 22:36:18,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:36:18,822 INFO L225 Difference]: With dead ends: 715 [2020-09-24 22:36:18,822 INFO L226 Difference]: Without dead ends: 480 [2020-09-24 22:36:18,830 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2020-09-24 22:36:18,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2020-09-24 22:36:18,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 434. [2020-09-24 22:36:18,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2020-09-24 22:36:18,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 490 transitions. [2020-09-24 22:36:18,981 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 490 transitions. Word has length 160 [2020-09-24 22:36:18,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:36:18,982 INFO L479 AbstractCegarLoop]: Abstraction has 434 states and 490 transitions. [2020-09-24 22:36:18,982 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 22:36:18,982 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 490 transitions. [2020-09-24 22:36:18,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-09-24 22:36:18,989 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:36:18,989 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] [2020-09-24 22:36:18,990 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 22:36:18,990 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:36:18,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:36:18,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1849080181, now seen corresponding path program 1 times [2020-09-24 22:36:18,991 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:36:18,991 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1071980661] [2020-09-24 22:36:18,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:36:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:19,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:19,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:21,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:21,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-09-24 22:36:21,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:36:21,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2323 [2020-09-24 22:36:21,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:21,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:36:21,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 198 [2020-09-24 22:36:21,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:36:21,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:21,650 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:36:21,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:36:21,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:21,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:21,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:21,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:36:21,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:21,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-24 22:36:21,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:21,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:21,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:21,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:21,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:21,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 22:36:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:21,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:21,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:21,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:36:21,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:21,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:36:21,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:21,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:21,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:21,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:21,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:21,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 22:36:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:21,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:21,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:21,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:36:21,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:21,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:36:21,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:21,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:21,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:21,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:21,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:21,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 22:36:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:21,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:21,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:21,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:36:21,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:21,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:36:21,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:21,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:21,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:21,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:21,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:21,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 22:36:21,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:21,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:21,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:21,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:36:21,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:21,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:36:21,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:21,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:21,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:21,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:21,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:21,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 22:36:21,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:21,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:21,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:21,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:36:21,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:21,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:36:21,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:21,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:21,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:21,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:21,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:21,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 22:36:21,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:21,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:21,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:21,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 22:36:21,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:21,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:36:21,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:21,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:21,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:21,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:21,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:21,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:36:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:21,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:21,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:21,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:36:21,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:21,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:36:21,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:21,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:21,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:21,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:21,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:36:21,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 22:36:21,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:21,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:22,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:22,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:36:22,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:22,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-09-24 22:36:22,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:22,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:36:22,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 22:36:22,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:36:22,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:36:22,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:36:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:22,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:22,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:22,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 22:36:22,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:22,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-09-24 22:36:22,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:22,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:36:22,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 22:36:22,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:36:22,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:36:22,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:36:22,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:22,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:22,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:22,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 22:36:22,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:22,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-09-24 22:36:22,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:22,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:36:22,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 22:36:22,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:36:22,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:36:22,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:36:22,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:22,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:22,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:22,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 22:36:22,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:22,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-09-24 22:36:22,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:22,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:36:22,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:22,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 22:36:22,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:36:22,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:36:22,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:22,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:22,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:22,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:36:22,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:22,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 22:36:22,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:22,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:22,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:22,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:22,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:36:22,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 22:36:22,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:22,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:22,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:22,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 22:36:22,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:22,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 22:36:22,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:22,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:22,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 22:36:22,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:22,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:36:22,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:36:22,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:22,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:22,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:22,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 22:36:22,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:22,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:36:22,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:22,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:22,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:22,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:22,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:36:22,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:36:22,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:22,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:22,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:22,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:36:22,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:22,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:36:22,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:22,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:22,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:22,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:22,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:36:22,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 22:36:22,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:22,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:22,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:22,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:36:22,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:22,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:36:22,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:22,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:22,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:22,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:22,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:36:22,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-09-24 22:36:22,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:22,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:22,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:22,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:36:22,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:22,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:36:22,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:22,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:22,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:36:22,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:22,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:36:22,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-09-24 22:36:22,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:22,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:22,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:22,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:36:22,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:22,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:36:22,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:22,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:22,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:36:22,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:22,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:36:22,751 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 22:36:22,751 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1071980661] [2020-09-24 22:36:22,752 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:36:22,752 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 22:36:22,752 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261427654] [2020-09-24 22:36:22,756 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 22:36:22,757 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:36:22,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 22:36:22,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 22:36:22,758 INFO L87 Difference]: Start difference. First operand 434 states and 490 transitions. Second operand 10 states. [2020-09-24 22:36:24,357 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:36:24,723 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 22:36:25,066 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-24 22:36:25,412 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:36:25,772 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 22:36:26,086 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:36:27,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:36:27,458 INFO L93 Difference]: Finished difference Result 842 states and 1032 transitions. [2020-09-24 22:36:27,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 22:36:27,460 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 226 [2020-09-24 22:36:27,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:36:27,467 INFO L225 Difference]: With dead ends: 842 [2020-09-24 22:36:27,467 INFO L226 Difference]: Without dead ends: 523 [2020-09-24 22:36:27,470 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-24 22:36:27,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2020-09-24 22:36:27,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 438. [2020-09-24 22:36:27,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 438 states. [2020-09-24 22:36:27,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 494 transitions. [2020-09-24 22:36:27,539 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 494 transitions. Word has length 226 [2020-09-24 22:36:27,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:36:27,540 INFO L479 AbstractCegarLoop]: Abstraction has 438 states and 494 transitions. [2020-09-24 22:36:27,540 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 22:36:27,541 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 494 transitions. [2020-09-24 22:36:27,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2020-09-24 22:36:27,545 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:36:27,546 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:36:27,546 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 22:36:27,546 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:36:27,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:36:27,547 INFO L82 PathProgramCache]: Analyzing trace with hash 825996048, now seen corresponding path program 1 times [2020-09-24 22:36:27,547 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:36:27,547 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [178387882] [2020-09-24 22:36:27,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:36:27,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:27,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:27,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:27,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:28,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:28,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:32,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:32,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 327 [2020-09-24 22:36:32,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 22:36:32,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-09-24 22:36:32,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:32,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 22:36:32,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 173 [2020-09-24 22:36:32,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-24 22:36:32,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:32,929 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:36:32,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:36:32,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:32,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:33,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:33,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:36:33,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:33,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-24 22:36:33,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:33,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:33,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:33,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:33,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:36:33,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 22:36:33,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:33,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:33,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:33,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:36:33,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:33,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:36:33,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:33,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:33,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:33,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:33,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:33,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 22:36:33,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:33,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:33,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:33,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:36:33,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:33,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:36:33,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:33,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:33,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:33,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:33,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:33,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 22:36:33,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:33,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:33,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:33,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:36:33,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:33,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:36:33,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:33,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:33,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:33,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:33,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:33,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 22:36:33,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:33,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:33,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:33,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:36:33,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:33,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:36:33,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:33,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:33,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:33,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:33,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:33,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 22:36:33,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:33,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:33,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:33,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:36:33,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:33,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:36:33,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:33,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:33,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:33,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:33,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:33,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 22:36:33,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:33,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:33,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:33,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 22:36:33,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:33,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 22:36:33,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:33,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:36:33,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:33,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-24 22:36:33,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:33,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:36:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:33,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:33,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:33,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 22:36:33,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:33,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:36:33,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:33,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:33,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:33,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:33,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:33,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:36:33,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:33,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:33,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:33,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:36:33,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:33,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:36:33,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:33,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:33,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:33,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:33,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:36:33,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 22:36:33,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:33,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:33,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:33,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 22:36:33,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:33,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 22:36:33,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:33,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:36:33,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:33,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 22:36:33,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:33,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:36:33,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:33,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:33,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:33,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:36:33,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:33,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 22:36:33,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:33,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 22:36:33,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:33,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 22:36:33,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:33,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-24 22:36:33,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:33,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:33,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:33,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 22:36:33,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:33,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:36:33,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:33,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:36:33,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:33,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 22:36:33,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:33,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:36:33,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:33,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:33,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:33,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:36:33,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:33,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:36:33,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:33,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:33,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:33,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:33,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:33,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-24 22:36:33,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:33,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:33,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:33,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:33,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:36:33,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:36:33,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-09-24 22:36:33,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:33,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:36:33,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-24 22:36:33,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:36:33,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:33,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:36:33,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:33,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:33,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:33,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 22:36:33,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:33,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-09-24 22:36:33,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:33,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:36:33,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 22:36:33,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:36:33,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:33,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:36:33,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:33,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:33,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:33,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 22:36:33,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:33,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-09-24 22:36:33,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:33,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:36:33,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 22:36:33,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:36:33,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:33,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:36:33,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:33,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:33,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:33,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 22:36:33,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:33,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-24 22:36:33,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:33,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:36:33,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 22:36:33,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:36:33,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:33,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:36:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:33,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:33,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:33,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:36:33,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:33,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 22:36:33,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:33,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 22:36:33,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:33,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:36:33,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:33,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 22:36:33,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:33,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:33,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:33,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 22:36:33,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:33,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 22:36:33,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:33,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:33,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 22:36:33,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:33,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:33,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:36:33,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:33,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:33,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:33,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 22:36:33,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:33,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:36:33,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:33,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:33,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:33,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:33,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:33,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:36:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:33,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:33,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:33,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:36:33,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:33,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:36:33,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:33,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:33,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:33,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:33,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:33,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 22:36:33,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:33,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:33,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:33,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:36:33,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:33,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:36:33,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:33,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:33,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:33,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:33,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:36:33,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-09-24 22:36:33,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:33,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:33,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:33,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:36:33,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:33,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:36:33,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:33,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:33,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:36:33,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:33,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:33,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-24 22:36:33,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:33,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:33,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:33,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:36:33,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:33,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:36:33,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:33,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:33,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:36:33,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:33,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:33,951 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-09-24 22:36:33,952 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [178387882] [2020-09-24 22:36:33,952 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 22:36:33,952 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-24 22:36:33,952 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504087468] [2020-09-24 22:36:33,953 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 22:36:33,954 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:36:33,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 22:36:33,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-09-24 22:36:33,954 INFO L87 Difference]: Start difference. First operand 438 states and 494 transitions. Second operand 15 states. [2020-09-24 22:36:34,980 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:36:36,277 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:36:36,614 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:36:37,004 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:36:37,380 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:36:37,750 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:36:38,077 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:36:38,554 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:36:38,942 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 22:36:39,271 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:36:39,631 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:36:39,950 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:36:40,398 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:36:40,703 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 22:36:41,078 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:36:41,446 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:36:44,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:36:44,314 INFO L93 Difference]: Finished difference Result 1109 states and 1469 transitions. [2020-09-24 22:36:44,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-24 22:36:44,315 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 262 [2020-09-24 22:36:44,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:36:44,331 INFO L225 Difference]: With dead ends: 1109 [2020-09-24 22:36:44,331 INFO L226 Difference]: Without dead ends: 786 [2020-09-24 22:36:44,334 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=234, Invalid=956, Unknown=0, NotChecked=0, Total=1190 [2020-09-24 22:36:44,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2020-09-24 22:36:44,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 638. [2020-09-24 22:36:44,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 638 states. [2020-09-24 22:36:44,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 765 transitions. [2020-09-24 22:36:44,499 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 765 transitions. Word has length 262 [2020-09-24 22:36:44,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:36:44,501 INFO L479 AbstractCegarLoop]: Abstraction has 638 states and 765 transitions. [2020-09-24 22:36:44,501 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-24 22:36:44,501 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 765 transitions. [2020-09-24 22:36:44,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-09-24 22:36:44,508 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:36:44,508 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, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:36:44,509 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 22:36:44,509 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:36:44,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:36:44,509 INFO L82 PathProgramCache]: Analyzing trace with hash -1551705169, now seen corresponding path program 1 times [2020-09-24 22:36:44,541 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:36:44,541 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1438458970] [2020-09-24 22:36:44,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:36:44,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:44,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:45,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:45,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 288 [2020-09-24 22:36:45,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:46,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1391 [2020-09-24 22:36:46,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:46,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 22:36:46,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-24 22:36:46,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-09-24 22:36:46,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:46,295 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:36:46,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:36:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:46,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:46,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:46,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:36:46,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:46,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 224 [2020-09-24 22:36:46,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:46,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:36:46,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:46,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 22:36:46,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:46,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 22:36:46,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:46,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:46,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:46,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:36:46,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:46,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:36:46,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:46,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:36:46,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:46,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 22:36:46,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:46,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 22:36:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:46,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:46,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:46,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:36:46,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:46,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:36:46,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:46,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:36:46,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:46,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 22:36:46,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:46,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 22:36:46,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:46,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:46,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:46,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:36:46,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:46,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 22:36:46,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:46,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:36:46,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:46,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:36:46,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:46,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 22:36:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:46,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:46,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:46,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:36:46,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:46,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:36:46,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:46,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:36:46,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:46,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 22:36:46,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:46,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 22:36:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:46,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:46,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:46,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:36:46,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:46,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:36:46,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:46,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:36:46,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:46,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 22:36:46,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:36:46,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 22:36:46,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:46,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:46,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:46,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 22:36:46,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:46,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:36:46,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:46,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:36:46,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:46,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 22:36:46,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:46,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:36:46,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:46,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:46,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:46,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:36:46,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:46,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:36:46,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:46,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:46,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:46,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:46,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:46,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 22:36:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:46,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:46,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:46,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:36:46,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:46,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-24 22:36:46,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:46,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:36:46,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-24 22:36:46,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-24 22:36:46,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:46,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:36:46,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:46,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:46,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:46,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 22:36:46,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:46,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-24 22:36:46,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:46,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:36:46,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:46,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 22:36:46,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:46,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:36:46,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:46,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:46,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:46,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 22:36:46,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:46,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-24 22:36:46,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:46,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:36:46,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:46,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 22:36:46,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:36:46,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:36:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:46,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:46,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:46,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 22:36:46,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:46,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 22:36:46,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:46,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:36:46,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:46,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:36:46,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:36:46,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:36:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:46,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:46,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:46,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:36:46,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:46,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:36:46,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:46,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:36:46,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:46,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 22:36:46,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:36:46,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 22:36:46,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:46,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:46,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:46,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 22:36:46,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:46,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 22:36:46,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:46,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:36:46,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:46,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 22:36:46,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:46,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:36:46,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:46,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:46,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:46,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 22:36:46,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:46,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:36:46,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:46,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:46,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:46,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:46,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:46,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:36:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:46,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:46,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:46,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:36:46,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:46,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:36:46,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:46,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:46,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:46,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:46,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:36:46,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 22:36:46,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:47,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:47,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:47,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:36:47,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:47,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:36:47,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:47,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:47,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:47,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:47,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:47,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-24 22:36:47,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:47,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:47,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:47,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:36:47,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:47,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:36:47,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:47,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:47,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:36:47,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:47,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:47,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 22:36:47,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:47,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:47,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:47,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:36:47,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:47,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:36:47,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:47,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:47,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:36:47,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:47,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:47,077 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 22:36:47,077 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1438458970] [2020-09-24 22:36:47,078 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:36:47,078 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 22:36:47,078 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620485596] [2020-09-24 22:36:47,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 22:36:47,079 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:36:47,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 22:36:47,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-24 22:36:47,080 INFO L87 Difference]: Start difference. First operand 638 states and 765 transitions. Second operand 7 states. [2020-09-24 22:36:47,634 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:36:48,439 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:36:51,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:36:51,417 INFO L93 Difference]: Finished difference Result 1709 states and 2218 transitions. [2020-09-24 22:36:51,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 22:36:51,418 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 235 [2020-09-24 22:36:51,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:36:51,426 INFO L225 Difference]: With dead ends: 1709 [2020-09-24 22:36:51,426 INFO L226 Difference]: Without dead ends: 1086 [2020-09-24 22:36:51,429 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 47 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2020-09-24 22:36:51,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states. [2020-09-24 22:36:51,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 940. [2020-09-24 22:36:51,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 940 states. [2020-09-24 22:36:51,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 940 states and 1150 transitions. [2020-09-24 22:36:51,541 INFO L78 Accepts]: Start accepts. Automaton has 940 states and 1150 transitions. Word has length 235 [2020-09-24 22:36:51,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:36:51,542 INFO L479 AbstractCegarLoop]: Abstraction has 940 states and 1150 transitions. [2020-09-24 22:36:51,542 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 22:36:51,542 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1150 transitions. [2020-09-24 22:36:51,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-09-24 22:36:51,546 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:36:51,547 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:36:51,547 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 22:36:51,547 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:36:51,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:36:51,548 INFO L82 PathProgramCache]: Analyzing trace with hash -722780298, now seen corresponding path program 1 times [2020-09-24 22:36:51,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:36:51,548 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1101489857] [2020-09-24 22:36:51,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:36:51,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:51,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:51,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking...