/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 interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:45:58,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:45:58,554 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:45:58,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:45:58,603 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:45:58,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:45:58,615 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:45:58,621 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:45:58,622 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:45:58,623 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:45:58,624 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:45:58,626 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:45:58,626 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:45:58,627 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:45:58,628 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:45:58,629 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:45:58,630 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:45:58,631 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:45:58,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:45:58,634 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:45:58,636 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:45:58,637 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:45:58,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:45:58,639 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:45:58,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:45:58,642 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:45:58,642 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:45:58,643 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:45:58,643 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:45:58,644 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:45:58,645 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:45:58,646 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:45:58,646 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:45:58,647 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:45:58,648 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:45:58,649 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:45:58,649 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:45:58,650 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:45:58,650 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:45:58,651 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:45:58,652 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:45:58,653 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 15:45:58,679 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:45:58,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:45:58,681 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:45:58,681 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:45:58,681 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:45:58,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:45:58,682 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:45:58,682 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:45:58,682 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:45:58,682 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:45:58,682 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:45:58,683 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:45:58,683 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:45:58,683 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:45:58,683 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:45:58,683 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:45:58,684 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:45:58,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:45:58,684 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:45:58,684 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:45:58,684 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:45:58,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:45:58,685 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:45:58,685 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:45:58,685 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:45:58,686 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:45:58,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:45:58,686 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:45:58,686 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:45:58,686 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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-24 15:45:59,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:45:59,190 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:45:59,197 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:45:59,199 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:45:59,201 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:45:59,202 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_productSimulator.cil.c [2020-09-24 15:45:59,278 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9f4f6d8ab/78780c7e9b694362a3ff86df471d6dd5/FLAG2a9c87970 [2020-09-24 15:45:59,894 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:45:59,894 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_productSimulator.cil.c [2020-09-24 15:45:59,909 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9f4f6d8ab/78780c7e9b694362a3ff86df471d6dd5/FLAG2a9c87970 [2020-09-24 15:46:00,118 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9f4f6d8ab/78780c7e9b694362a3ff86df471d6dd5 [2020-09-24 15:46:00,131 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:46:00,136 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:46:00,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:46:00,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:46:00,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:46:00,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:46:00" (1/1) ... [2020-09-24 15:46:00,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cfafcce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:46:00, skipping insertion in model container [2020-09-24 15:46:00,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:46:00" (1/1) ... [2020-09-24 15:46:00,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:46:00,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:46:00,775 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:46:00,791 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:46:00,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:46:00,962 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:46:00,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:46:00 WrapperNode [2020-09-24 15:46:00,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:46:00,963 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:46:00,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:46:00,964 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:46:00,979 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:46:00" (1/1) ... [2020-09-24 15:46:00,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:46:00" (1/1) ... [2020-09-24 15:46:01,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:46:00" (1/1) ... [2020-09-24 15:46:01,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:46:00" (1/1) ... [2020-09-24 15:46:01,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:46:00" (1/1) ... [2020-09-24 15:46:01,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:46:00" (1/1) ... [2020-09-24 15:46:01,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:46:00" (1/1) ... [2020-09-24 15:46:01,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:46:01,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:46:01,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:46:01,062 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:46:01,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:46:00" (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 15:46:01,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:46:01,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:46:01,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:46:01,139 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:46:01,140 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:46:01,140 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:46:01,140 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:46:01,140 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:46:01,140 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:46:01,141 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:46:01,141 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 15:46:01,141 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:46:01,141 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__highWaterSensor [2020-09-24 15:46:01,141 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__highWaterSensor [2020-09-24 15:46:01,141 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__lowWaterSensor [2020-09-24 15:46:01,142 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__lowWaterSensor [2020-09-24 15:46:01,142 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__methaneAlarm [2020-09-24 15:46:01,142 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__methaneAlarm [2020-09-24 15:46:01,142 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:46:01,143 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__before__methaneQuery [2020-09-24 15:46:01,143 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__role__methaneQuery [2020-09-24 15:46:01,143 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:46:01,143 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:46:01,144 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:46:01,144 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:46:01,144 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:46:01,144 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:46:01,144 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 15:46:01,144 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 15:46:01,145 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 15:46:01,145 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:46:01,145 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:46:01,145 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:46:01,145 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:46:01,146 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:46:01,146 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:46:01,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-24 15:46:01,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-24 15:46:01,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:46:01,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:46:01,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:46:01,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:46:01,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:46:01,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:46:01,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:46:01,147 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:46:01,148 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:46:01,148 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:46:01,148 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:46:01,148 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:46:01,148 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:46:01,148 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:46:01,149 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:46:01,149 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:46:01,149 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:46:01,149 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:46:01,149 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:46:01,149 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:46:01,150 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:46:01,150 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 15:46:01,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:46:01,150 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:46:01,150 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:46:01,150 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:46:01,151 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:46:01,151 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:46:01,151 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 15:46:01,151 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 15:46:01,151 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-24 15:46:01,151 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:46:01,151 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__highWaterSensor [2020-09-24 15:46:01,152 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:46:01,152 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__highWaterSensor [2020-09-24 15:46:01,152 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__lowWaterSensor [2020-09-24 15:46:01,152 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 15:46:01,152 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__lowWaterSensor [2020-09-24 15:46:01,153 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__methaneAlarm [2020-09-24 15:46:01,153 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:46:01,153 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__methaneAlarm [2020-09-24 15:46:01,153 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__before__methaneQuery [2020-09-24 15:46:01,153 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__role__methaneQuery [2020-09-24 15:46:01,153 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:46:01,154 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:46:01,154 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:46:01,154 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-24 15:46:01,154 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:46:01,154 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:46:01,154 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:46:01,154 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:46:01,155 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:46:01,155 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:46:01,155 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:46:01,155 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:46:01,155 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:46:01,155 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:46:01,155 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:46:01,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:46:01,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:46:01,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:46:01,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:46:01,156 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:46:01,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:46:01,157 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:46:01,157 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:46:01,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:46:01,157 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:46:01,157 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:46:01,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:46:01,158 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:46:01,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:46:01,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:46:01,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:46:02,422 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:46:02,422 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:46:02,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:46:02 BoogieIcfgContainer [2020-09-24 15:46:02,430 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:46:02,432 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:46:02,432 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:46:02,436 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:46:02,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:46:00" (1/3) ... [2020-09-24 15:46:02,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@758a0d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:46:02, skipping insertion in model container [2020-09-24 15:46:02,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:46:00" (2/3) ... [2020-09-24 15:46:02,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@758a0d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:46:02, skipping insertion in model container [2020-09-24 15:46:02,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:46:02" (3/3) ... [2020-09-24 15:46:02,440 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_productSimulator.cil.c [2020-09-24 15:46:02,453 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:46:02,465 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:46:02,487 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:46:02,524 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:46:02,524 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:46:02,524 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:46:02,524 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:46:02,524 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:46:02,525 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:46:02,525 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:46:02,525 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:46:02,556 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states. [2020-09-24 15:46:02,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-24 15:46:02,578 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:46:02,580 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:46:02,581 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:46:02,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:46:02,589 INFO L82 PathProgramCache]: Analyzing trace with hash -1714706327, now seen corresponding path program 1 times [2020-09-24 15:46:02,600 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:46:02,601 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [140437921] [2020-09-24 15:46:02,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:46:02,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:02,994 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:02,995 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:02,995 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:02,999 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:03,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 275 [2020-09-24 15:46:03,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:03,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 15:46:03,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:03,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:03,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 230 [2020-09-24 15:46:03,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:03,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:03,686 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-24 15:46:03,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:46:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:03,704 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:03,704 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:03,704 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:03,705 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:03,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-24 15:46:03,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:03,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:03,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:03,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:03,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:03,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:03,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:03,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-24 15:46:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:03,793 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:03,793 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:03,793 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:03,793 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:03,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:03,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:03,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:03,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:03,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:03,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:03,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:03,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:03,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-09-24 15:46:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:03,823 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:03,824 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:03,824 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:03,824 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:03,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:46:03,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:03,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:03,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:03,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:03,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:03,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:03,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:03,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:46:03,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:03,841 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:03,841 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:03,841 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:03,842 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:03,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:46:03,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:03,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:03,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:03,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:03,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:03,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:03,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:03,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 15:46:03,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:03,848 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:03,849 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:03,849 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:03,849 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:03,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:46:03,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:03,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:03,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:03,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:03,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:03,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:03,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:03,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 15:46:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:03,856 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:03,856 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:03,856 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:03,857 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:03,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:46:03,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:03,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:03,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:03,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:03,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:03,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:03,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:03,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 15:46:03,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:03,863 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:03,864 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:03,864 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:03,864 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:03,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:46:03,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:03,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:03,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:03,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:03,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:03,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:03,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:03,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-24 15:46:03,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:03,871 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:03,871 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:03,871 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:03,871 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:03,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:46:03,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:03,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:03,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:03,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:03,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:03,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:03,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:03,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 15:46:03,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:03,878 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:03,878 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:03,878 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:03,878 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:03,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:46:03,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:03,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:03,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:03,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:03,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:03,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:03,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:03,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-24 15:46:03,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:03,889 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:03,889 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:03,890 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:03,890 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:03,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:03,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:03,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:03,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:03,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:03,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:03,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:03,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:03,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-24 15:46:03,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:03,895 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:03,896 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:03,896 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:03,896 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:03,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:03,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:03,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:03,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:03,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:03,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:03,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:03,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:03,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-24 15:46:03,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:03,912 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:03,913 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:03,913 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:03,913 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:03,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:03,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:03,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:03,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:03,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:03,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:03,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:03,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:03,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-24 15:46:03,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:03,919 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:03,919 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:03,919 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:03,919 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:03,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:03,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:03,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:03,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:03,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:03,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:03,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:03,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:03,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-24 15:46:03,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:03,925 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:03,925 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:03,925 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:03,926 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:03,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:03,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:03,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:03,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:03,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:03,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:03,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:03,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:04,006 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-24 15:46:04,007 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [140437921] [2020-09-24 15:46:04,009 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:46:04,009 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 15:46:04,010 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969139500] [2020-09-24 15:46:04,017 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 15:46:04,017 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:46:04,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 15:46:04,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-09-24 15:46:04,039 INFO L87 Difference]: Start difference. First operand 424 states. Second operand 6 states. [2020-09-24 15:46:06,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:46:06,926 INFO L93 Difference]: Finished difference Result 687 states and 830 transitions. [2020-09-24 15:46:06,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 15:46:06,928 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 230 [2020-09-24 15:46:06,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:46:06,965 INFO L225 Difference]: With dead ends: 687 [2020-09-24 15:46:06,965 INFO L226 Difference]: Without dead ends: 441 [2020-09-24 15:46:06,976 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:46:06,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2020-09-24 15:46:07,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 373. [2020-09-24 15:46:07,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2020-09-24 15:46:07,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 420 transitions. [2020-09-24 15:46:07,095 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 420 transitions. Word has length 230 [2020-09-24 15:46:07,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:46:07,096 INFO L479 AbstractCegarLoop]: Abstraction has 373 states and 420 transitions. [2020-09-24 15:46:07,097 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 15:46:07,097 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 420 transitions. [2020-09-24 15:46:07,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-09-24 15:46:07,104 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:46:07,104 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:46:07,105 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:46:07,105 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:46:07,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:46:07,105 INFO L82 PathProgramCache]: Analyzing trace with hash -580873481, now seen corresponding path program 1 times [2020-09-24 15:46:07,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:46:07,106 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1318174866] [2020-09-24 15:46:07,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:46:07,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:07,212 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:07,213 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:07,213 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:07,213 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:07,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 276 [2020-09-24 15:46:07,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:07,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:46:07,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:07,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:07,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 229 [2020-09-24 15:46:07,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:46:07,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:07,587 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-24 15:46:07,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:46:07,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:07,600 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:07,600 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:07,600 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:07,600 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:07,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-24 15:46:07,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:07,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:07,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:07,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:07,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:07,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:07,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:07,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-24 15:46:07,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:07,700 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:07,700 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:07,701 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:07,701 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:07,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:07,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:07,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:07,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:07,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:07,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:07,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:07,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:07,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-09-24 15:46:07,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:07,730 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:07,730 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:07,730 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:07,731 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:07,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:46:07,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:07,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:07,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:07,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:07,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:07,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:07,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:07,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:46:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:07,745 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:07,745 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:07,745 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:07,746 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:07,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:46:07,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:07,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:07,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:07,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:07,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:07,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:07,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:07,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 15:46:07,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:07,751 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:07,751 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:07,752 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:07,752 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:07,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:46:07,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:07,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:07,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:07,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:07,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:07,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:07,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:07,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 15:46:07,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:07,757 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:07,757 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:07,757 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:07,758 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:07,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:46:07,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:07,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:07,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:07,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:07,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:07,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:07,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:07,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 15:46:07,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:07,764 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:07,765 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:07,765 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:07,765 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:07,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:46:07,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:07,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:07,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:07,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:07,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:07,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:07,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:07,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-24 15:46:07,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:07,772 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:07,772 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:07,772 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:07,772 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:07,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:46:07,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:07,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:07,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:07,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:07,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:07,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:07,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:07,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 15:46:07,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:07,782 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:07,783 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:07,783 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:07,783 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:07,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:46:07,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:07,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:07,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:07,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:07,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:07,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:07,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:07,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-24 15:46:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:07,792 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:07,792 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:07,792 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:07,793 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:07,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:07,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:07,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:07,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:07,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:07,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:07,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:07,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:07,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-24 15:46:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:07,797 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:07,797 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:07,798 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:07,798 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:07,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:07,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:07,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:07,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:07,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:07,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:07,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:07,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:07,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-24 15:46:07,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:07,812 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:07,812 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:07,812 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:07,812 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:07,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:07,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:07,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:07,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:07,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:07,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:07,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:07,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:07,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-09-24 15:46:07,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:07,818 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:07,818 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:07,818 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:07,818 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:07,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:07,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:07,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:07,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:07,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:07,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:07,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:07,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:07,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-09-24 15:46:07,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:07,827 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:07,827 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:07,828 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:07,828 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:07,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:07,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:07,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:07,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:07,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:07,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:07,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:07,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:07,924 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-24 15:46:07,926 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1318174866] [2020-09-24 15:46:07,926 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:46:07,926 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 15:46:07,927 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578064953] [2020-09-24 15:46:07,933 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:46:07,933 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:46:07,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:46:07,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:46:07,934 INFO L87 Difference]: Start difference. First operand 373 states and 420 transitions. Second operand 7 states. [2020-09-24 15:46:09,433 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-24 15:46:11,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:46:11,707 INFO L93 Difference]: Finished difference Result 604 states and 709 transitions. [2020-09-24 15:46:11,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 15:46:11,707 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 231 [2020-09-24 15:46:11,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:46:11,713 INFO L225 Difference]: With dead ends: 604 [2020-09-24 15:46:11,713 INFO L226 Difference]: Without dead ends: 430 [2020-09-24 15:46:11,715 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=68, Invalid=114, Unknown=0, NotChecked=0, Total=182 [2020-09-24 15:46:11,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2020-09-24 15:46:11,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 363. [2020-09-24 15:46:11,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2020-09-24 15:46:11,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 407 transitions. [2020-09-24 15:46:11,771 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 407 transitions. Word has length 231 [2020-09-24 15:46:11,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:46:11,771 INFO L479 AbstractCegarLoop]: Abstraction has 363 states and 407 transitions. [2020-09-24 15:46:11,772 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:46:11,772 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 407 transitions. [2020-09-24 15:46:11,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-09-24 15:46:11,776 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:46:11,777 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:46:11,777 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:46:11,777 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:46:11,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:46:11,778 INFO L82 PathProgramCache]: Analyzing trace with hash -338755508, now seen corresponding path program 1 times [2020-09-24 15:46:11,778 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:46:11,778 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [652795790] [2020-09-24 15:46:11,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:46:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:11,938 FATAL L256 erpolLogProxyWrapper]: Difference in size: 6 [2020-09-24 15:46:11,938 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:11,939 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:11,939 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:11,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 284 [2020-09-24 15:46:11,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:11,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-24 15:46:11,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:11,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:46:11,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-09-24 15:46:11,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 162 [2020-09-24 15:46:11,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:12,339 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-24 15:46:12,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:46:12,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:12,385 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:12,386 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:12,386 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:12,386 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:12,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-24 15:46:12,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:12,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:12,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:12,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:12,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:12,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-09-24 15:46:12,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:12,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-24 15:46:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:12,458 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:12,458 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:12,458 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:12,458 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:12,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:12,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:12,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:12,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:12,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:12,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:12,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:46:12,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:12,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-09-24 15:46:12,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:12,492 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:12,493 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:12,493 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:12,493 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:12,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:46:12,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:12,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:12,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:12,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:12,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:12,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-24 15:46:12,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:12,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:46:12,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:12,507 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:12,507 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:12,507 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:12,507 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:12,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:46:12,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:12,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:12,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:12,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:12,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:12,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:12,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:12,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 15:46:12,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:12,513 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:12,513 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:12,513 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:12,513 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:12,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:46:12,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:12,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:12,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:12,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:12,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:12,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:12,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:12,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 15:46:12,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:12,519 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:12,519 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:12,519 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:12,519 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:12,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:46:12,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:12,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:12,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:12,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:12,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:12,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:12,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:12,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 15:46:12,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:12,525 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:12,525 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:12,525 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:12,525 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:12,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:46:12,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:12,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:12,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:12,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:12,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:12,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:12,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:12,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-24 15:46:12,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:12,531 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:12,531 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:12,531 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:12,531 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:12,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:46:12,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:12,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:12,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:12,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:12,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:12,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:12,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:12,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 15:46:12,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:12,537 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:12,537 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:12,537 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:12,537 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:12,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:46:12,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:12,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:12,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:12,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:12,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:12,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:12,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:12,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-24 15:46:12,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:12,546 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:12,547 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:12,547 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:12,547 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:12,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:12,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:12,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:12,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:12,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:12,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:12,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:46:12,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:12,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-24 15:46:12,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:12,553 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:12,554 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:12,554 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:12,554 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:12,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:12,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:12,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:12,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:12,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:12,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:12,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:46:12,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:12,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-24 15:46:12,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:12,570 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:12,571 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:12,571 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:12,571 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:12,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:12,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:12,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:12,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:12,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:12,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:12,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:46:12,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:12,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-09-24 15:46:12,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:12,576 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:12,576 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:12,577 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:12,577 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:12,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:12,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:12,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:12,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:12,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:12,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:12,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:12,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:12,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-09-24 15:46:12,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:12,582 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:12,582 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:12,582 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:12,582 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:12,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:12,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:12,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:12,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:12,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:12,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:12,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:12,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:12,655 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-24 15:46:12,656 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [652795790] [2020-09-24 15:46:12,656 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:46:12,656 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 15:46:12,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114260327] [2020-09-24 15:46:12,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:46:12,658 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:46:12,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:46:12,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:46:12,659 INFO L87 Difference]: Start difference. First operand 363 states and 407 transitions. Second operand 7 states. [2020-09-24 15:46:13,445 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-24 15:46:17,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:46:17,823 INFO L93 Difference]: Finished difference Result 863 states and 1028 transitions. [2020-09-24 15:46:17,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 15:46:17,826 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 241 [2020-09-24 15:46:17,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:46:17,835 INFO L225 Difference]: With dead ends: 863 [2020-09-24 15:46:17,835 INFO L226 Difference]: Without dead ends: 657 [2020-09-24 15:46:17,838 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2020-09-24 15:46:17,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2020-09-24 15:46:17,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 559. [2020-09-24 15:46:17,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 559 states. [2020-09-24 15:46:17,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 643 transitions. [2020-09-24 15:46:17,948 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 643 transitions. Word has length 241 [2020-09-24 15:46:17,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:46:17,949 INFO L479 AbstractCegarLoop]: Abstraction has 559 states and 643 transitions. [2020-09-24 15:46:17,949 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:46:17,949 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 643 transitions. [2020-09-24 15:46:17,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2020-09-24 15:46:17,955 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:46:17,955 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:46:17,955 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:46:17,956 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:46:17,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:46:17,956 INFO L82 PathProgramCache]: Analyzing trace with hash -1581512673, now seen corresponding path program 1 times [2020-09-24 15:46:17,956 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:46:17,957 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [957217006] [2020-09-24 15:46:17,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:46:18,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:18,078 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:18,078 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:18,078 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:18,079 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:18,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 295 [2020-09-24 15:46:18,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:18,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-24 15:46:18,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:18,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:46:18,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-09-24 15:46:18,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 192 [2020-09-24 15:46:18,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:18,563 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-24 15:46:18,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:46:18,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:18,612 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:18,612 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:18,612 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:18,613 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:18,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-24 15:46:18,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:18,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:18,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:18,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:18,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:18,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-09-24 15:46:18,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:18,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-24 15:46:18,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:18,687 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:18,687 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:18,687 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:18,687 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:18,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:18,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:18,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:18,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:18,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:18,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:18,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:46:18,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:18,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-09-24 15:46:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:18,725 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:18,725 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:18,725 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:18,726 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:18,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:46:18,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:18,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:18,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:18,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:18,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:18,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-24 15:46:18,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:18,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:46:18,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:18,739 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:18,739 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:18,740 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:18,740 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:18,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:46:18,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:18,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:18,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:18,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:18,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:18,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:18,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:18,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 15:46:18,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:18,745 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:18,745 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:18,745 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:18,745 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:18,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:46:18,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:18,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:18,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:18,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:18,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:18,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:18,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:18,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 15:46:18,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:18,751 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:18,751 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:18,751 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:18,751 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:18,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:46:18,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:18,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:18,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:18,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:18,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:18,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:18,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:18,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 15:46:18,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:18,757 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:18,757 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:18,757 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:18,757 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:18,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:46:18,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:18,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:18,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:18,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:18,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:18,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:18,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:18,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-24 15:46:18,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:18,763 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:18,763 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:18,763 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:18,763 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:18,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:46:18,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:18,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:18,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:18,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:18,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:18,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:18,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:18,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 15:46:18,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:18,768 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:18,768 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:18,769 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:18,769 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:18,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:46:18,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:18,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:18,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:18,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:18,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:18,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:18,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:18,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-24 15:46:18,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:18,779 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:18,779 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:18,779 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:18,779 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:18,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:18,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:18,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:18,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:18,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:18,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:18,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:46:18,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:18,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-24 15:46:18,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:18,786 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:18,786 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:18,787 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:18,787 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:18,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:18,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:18,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:18,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:18,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:18,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:18,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:46:18,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:18,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-24 15:46:18,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:18,805 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:18,805 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:18,805 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:18,806 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:18,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:18,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:18,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:18,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:18,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:18,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:18,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:46:18,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:18,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-24 15:46:18,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:18,829 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:18,830 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:18,830 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:18,830 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:18,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:46:18,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:18,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:18,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:18,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:18,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:18,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:46:18,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:18,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-24 15:46:18,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:18,842 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:18,842 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:18,842 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:18,843 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:18,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:18,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:18,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:46:18,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:18,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:46:18,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:18,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:46:18,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:18,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-09-24 15:46:18,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:18,878 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:18,879 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:18,879 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:18,879 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:18,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:18,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:18,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:18,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:18,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:18,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:18,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:18,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:18,968 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-24 15:46:18,969 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [957217006] [2020-09-24 15:46:18,969 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:46:18,969 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-24 15:46:18,969 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722372575] [2020-09-24 15:46:18,970 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 15:46:18,970 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:46:18,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 15:46:18,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-24 15:46:18,971 INFO L87 Difference]: Start difference. First operand 559 states and 643 transitions. Second operand 12 states. [2020-09-24 15:46:19,814 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-24 15:46:22,271 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-09-24 15:46:22,747 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-09-24 15:46:23,410 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-24 15:46:23,839 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-24 15:46:24,446 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-24 15:46:25,007 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-09-24 15:46:25,434 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-24 15:46:26,158 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-24 15:46:29,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:46:29,467 INFO L93 Difference]: Finished difference Result 1550 states and 1913 transitions. [2020-09-24 15:46:29,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-24 15:46:29,468 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 250 [2020-09-24 15:46:29,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:46:29,476 INFO L225 Difference]: With dead ends: 1550 [2020-09-24 15:46:29,477 INFO L226 Difference]: Without dead ends: 1148 [2020-09-24 15:46:29,479 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=364, Invalid=968, Unknown=0, NotChecked=0, Total=1332 [2020-09-24 15:46:29,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1148 states. [2020-09-24 15:46:29,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1148 to 928. [2020-09-24 15:46:29,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 928 states. [2020-09-24 15:46:29,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 928 states and 1086 transitions. [2020-09-24 15:46:29,641 INFO L78 Accepts]: Start accepts. Automaton has 928 states and 1086 transitions. Word has length 250 [2020-09-24 15:46:29,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:46:29,642 INFO L479 AbstractCegarLoop]: Abstraction has 928 states and 1086 transitions. [2020-09-24 15:46:29,642 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 15:46:29,642 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1086 transitions. [2020-09-24 15:46:29,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-09-24 15:46:29,648 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:46:29,648 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:46:29,649 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:46:29,649 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:46:29,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:46:29,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1550661076, now seen corresponding path program 1 times [2020-09-24 15:46:29,650 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:46:29,650 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1356386505] [2020-09-24 15:46:29,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:46:29,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:29,789 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:29,790 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:29,790 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:29,790 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:29,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 302 [2020-09-24 15:46:29,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:29,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-24 15:46:29,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:29,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:46:29,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-09-24 15:46:29,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 210 [2020-09-24 15:46:29,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:30,209 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-24 15:46:30,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:46:30,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:30,244 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:30,244 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:30,244 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:30,245 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:30,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-24 15:46:30,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:30,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:30,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:30,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:30,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:30,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-09-24 15:46:30,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:30,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-24 15:46:30,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:30,308 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:30,308 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:30,308 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:30,308 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:30,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:30,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:30,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:30,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:30,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:30,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:30,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:46:30,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:30,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-09-24 15:46:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:30,344 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:30,344 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:30,344 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:30,344 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:30,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:46:30,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:30,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:30,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:30,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:30,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:30,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-24 15:46:30,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:30,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:46:30,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:30,357 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:30,357 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:30,357 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:30,357 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:30,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:46:30,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:30,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:30,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:30,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:30,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:30,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:30,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:30,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 15:46:30,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:30,363 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:30,363 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:30,363 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:30,363 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:30,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:46:30,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:30,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:30,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:30,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:30,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:30,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:30,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:30,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 15:46:30,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:30,368 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:30,369 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:30,369 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:30,369 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:30,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:46:30,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:30,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:30,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:30,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:30,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:30,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:30,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:30,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 15:46:30,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:30,375 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:30,375 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:30,376 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:30,376 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:30,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:46:30,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:30,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:30,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:30,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:30,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:30,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:30,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:30,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-24 15:46:30,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:30,383 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:30,383 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:30,384 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:30,384 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:30,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:46:30,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:30,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:30,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:30,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:30,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:30,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:30,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:30,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 15:46:30,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:30,391 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:30,391 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:30,392 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:30,392 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:30,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:46:30,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:30,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:30,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:30,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:30,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:30,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:30,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:30,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-24 15:46:30,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:30,406 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:30,406 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:30,407 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:30,407 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:30,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:30,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:30,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:30,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:30,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:30,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:30,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:46:30,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:30,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-24 15:46:30,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:30,415 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:30,415 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:30,415 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:30,416 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:30,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:30,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:30,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:30,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:30,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:30,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:30,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:46:30,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:30,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-24 15:46:30,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:30,436 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:30,437 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:30,437 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:30,437 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:30,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:30,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:30,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:30,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:30,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:30,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:30,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:46:30,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:30,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-24 15:46:30,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:30,464 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:30,465 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:30,465 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:30,465 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:30,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:46:30,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:30,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:30,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:30,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:30,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:30,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:46:30,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:30,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-24 15:46:30,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:30,494 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:30,495 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:30,495 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:30,495 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:30,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:46:30,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:30,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:30,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:30,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:30,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:30,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:46:30,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:30,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-09-24 15:46:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:30,504 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:30,504 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:30,504 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:30,505 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:30,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:30,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:30,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:30,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:30,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:30,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:30,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:46:30,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:30,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2020-09-24 15:46:30,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:30,515 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:30,516 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:30,516 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:30,517 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:30,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:30,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:30,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:46:30,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:30,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:46:30,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:30,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:46:30,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:30,670 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-24 15:46:30,671 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1356386505] [2020-09-24 15:46:30,671 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:46:30,671 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-24 15:46:30,672 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828162391] [2020-09-24 15:46:30,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-24 15:46:30,673 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:46:30,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-24 15:46:30,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-09-24 15:46:30,674 INFO L87 Difference]: Start difference. First operand 928 states and 1086 transitions. Second operand 13 states. [2020-09-24 15:46:31,703 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-24 15:46:34,412 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-24 15:46:34,729 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-24 15:46:35,185 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-24 15:46:35,653 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-24 15:46:36,052 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-24 15:46:37,396 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-24 15:46:37,739 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-24 15:46:38,225 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-24 15:46:41,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:46:41,251 INFO L93 Difference]: Finished difference Result 2496 states and 3236 transitions. [2020-09-24 15:46:41,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-09-24 15:46:41,252 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 255 [2020-09-24 15:46:41,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:46:41,264 INFO L225 Difference]: With dead ends: 2496 [2020-09-24 15:46:41,264 INFO L226 Difference]: Without dead ends: 1725 [2020-09-24 15:46:41,268 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 482 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=528, Invalid=1452, Unknown=0, NotChecked=0, Total=1980 [2020-09-24 15:46:41,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1725 states. [2020-09-24 15:46:41,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1725 to 1438. [2020-09-24 15:46:41,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1438 states. [2020-09-24 15:46:41,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1438 states and 1738 transitions. [2020-09-24 15:46:41,474 INFO L78 Accepts]: Start accepts. Automaton has 1438 states and 1738 transitions. Word has length 255 [2020-09-24 15:46:41,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:46:41,475 INFO L479 AbstractCegarLoop]: Abstraction has 1438 states and 1738 transitions. [2020-09-24 15:46:41,475 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-24 15:46:41,475 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 1738 transitions. [2020-09-24 15:46:41,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2020-09-24 15:46:41,482 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:46:41,482 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:46:41,482 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:46:41,483 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:46:41,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:46:41,483 INFO L82 PathProgramCache]: Analyzing trace with hash 1472439606, now seen corresponding path program 1 times [2020-09-24 15:46:41,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:46:41,484 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [339438458] [2020-09-24 15:46:41,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:46:41,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:41,597 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:41,597 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:41,597 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:41,597 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:41,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 356 [2020-09-24 15:46:41,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:41,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-24 15:46:41,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:41,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:46:41,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-09-24 15:46:41,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 200 [2020-09-24 15:46:41,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:42,051 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-24 15:46:42,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:46:42,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:42,099 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:42,100 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:42,100 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:42,100 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:42,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-24 15:46:42,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:42,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:42,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:42,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:42,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:42,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-24 15:46:42,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:42,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-24 15:46:42,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:42,183 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:42,183 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:42,184 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:42,184 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:42,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:42,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:42,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:42,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:42,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:42,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:42,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:46:42,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:42,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-09-24 15:46:42,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:42,229 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:42,230 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:42,230 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:42,230 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:42,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:46:42,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:42,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:42,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:42,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:42,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:42,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-24 15:46:42,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:42,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:46:42,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:42,253 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:42,253 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:42,253 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:42,254 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:42,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:46:42,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:42,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:42,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:42,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:42,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:42,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:42,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:42,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 15:46:42,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:42,261 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:42,261 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:42,262 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:42,262 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:42,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:46:42,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:42,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:42,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:42,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:42,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:42,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:42,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:42,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 15:46:42,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:42,268 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:42,268 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:42,269 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:42,269 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:42,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:46:42,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:42,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:42,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:42,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:42,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:42,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:42,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:42,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 15:46:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:42,276 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:42,277 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:42,277 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:42,277 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:42,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:46:42,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:42,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:42,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:42,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:42,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:42,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:42,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:42,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-24 15:46:42,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:42,283 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:42,283 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:42,283 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:42,284 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:42,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:46:42,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:42,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:42,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:42,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:42,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:42,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:42,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:42,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 15:46:42,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:42,290 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:42,290 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:42,290 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:42,290 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:42,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:46:42,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:42,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:42,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:42,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:42,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:42,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:42,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:42,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-24 15:46:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:42,300 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:42,300 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:42,301 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:42,301 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:42,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:42,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:42,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:42,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:42,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:42,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:42,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:46:42,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:42,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-24 15:46:42,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:42,306 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:42,306 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:42,307 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:42,307 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:42,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:42,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:42,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:42,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:42,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:42,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:42,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:46:42,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:42,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-24 15:46:42,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:42,327 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:42,328 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:42,328 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:42,328 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:42,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:42,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:42,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:42,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:42,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:42,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:42,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:46:42,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:42,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-24 15:46:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:42,344 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:42,344 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:42,345 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:42,345 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:42,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:46:42,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:42,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:42,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:42,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:42,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:42,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:46:42,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:42,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-09-24 15:46:42,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:42,374 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:42,374 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:42,374 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:42,374 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:42,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-24 15:46:42,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:42,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:46:42,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:42,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:46:42,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-24 15:46:42,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:46:42,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:42,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:46:42,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:42,393 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:42,393 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:42,393 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:42,394 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:42,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-24 15:46:42,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:42,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:46:42,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:42,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:46:42,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:46:42,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:46:42,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:42,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:46:42,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:42,408 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:42,409 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:42,409 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:42,409 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:42,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 15:46:42,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:42,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:46:42,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:42,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:46:42,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 15:46:42,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:46:42,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:42,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:46:42,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:42,421 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:42,421 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:42,421 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:42,421 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:42,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:46:42,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:42,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:46:42,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:42,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:46:42,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:46:42,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:46:42,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:42,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:42,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:42,433 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:42,433 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:42,433 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:42,433 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:42,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:46:42,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:42,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:46:42,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:42,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:46:42,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:46:42,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:46:42,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 43 [2020-09-24 15:46:42,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:46:42,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:42,522 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:42,522 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:42,522 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:42,523 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:42,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:46:42,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:42,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:46:42,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:42,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:46:42,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:42,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:46:42,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:42,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:46:42,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:42,557 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:42,558 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:42,558 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:42,558 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:42,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:46:42,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:42,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:42,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:42,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:42,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-24 15:46:42,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:42,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:42,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:46:42,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:42,564 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:42,564 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:42,564 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:42,565 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:42,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:42,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:42,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:42,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:42,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:42,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:42,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:42,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:42,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2020-09-24 15:46:42,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:42,574 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:42,575 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:42,575 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:42,575 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:42,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:42,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:42,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:42,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:42,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:42,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:42,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:42,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:42,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-09-24 15:46:42,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:42,580 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:42,581 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:42,581 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:42,581 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:42,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:42,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:42,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:42,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:42,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:42,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:42,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:42,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:42,680 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-24 15:46:42,681 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [339438458] [2020-09-24 15:46:42,682 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:46:42,683 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-24 15:46:42,683 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139358587] [2020-09-24 15:46:42,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-24 15:46:42,684 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:46:42,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-24 15:46:42,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-09-24 15:46:42,686 INFO L87 Difference]: Start difference. First operand 1438 states and 1738 transitions. Second operand 13 states. [2020-09-24 15:46:43,480 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-24 15:46:46,084 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-24 15:46:46,482 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-09-24 15:46:46,885 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-09-24 15:46:47,248 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-24 15:46:47,687 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-09-24 15:46:48,134 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-24 15:46:52,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:46:52,834 INFO L93 Difference]: Finished difference Result 4284 states and 5735 transitions. [2020-09-24 15:46:52,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-09-24 15:46:52,836 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 295 [2020-09-24 15:46:52,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:46:52,853 INFO L225 Difference]: With dead ends: 4284 [2020-09-24 15:46:52,854 INFO L226 Difference]: Without dead ends: 3003 [2020-09-24 15:46:52,860 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=398, Invalid=1242, Unknown=0, NotChecked=0, Total=1640 [2020-09-24 15:46:52,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3003 states. [2020-09-24 15:46:53,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3003 to 2372. [2020-09-24 15:46:53,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2372 states. [2020-09-24 15:46:53,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2372 states to 2372 states and 2840 transitions. [2020-09-24 15:46:53,218 INFO L78 Accepts]: Start accepts. Automaton has 2372 states and 2840 transitions. Word has length 295 [2020-09-24 15:46:53,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:46:53,220 INFO L479 AbstractCegarLoop]: Abstraction has 2372 states and 2840 transitions. [2020-09-24 15:46:53,220 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-24 15:46:53,220 INFO L276 IsEmpty]: Start isEmpty. Operand 2372 states and 2840 transitions. [2020-09-24 15:46:53,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2020-09-24 15:46:53,234 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:46:53,235 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:46:53,235 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:46:53,236 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:46:53,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:46:53,236 INFO L82 PathProgramCache]: Analyzing trace with hash 1825544057, now seen corresponding path program 1 times [2020-09-24 15:46:53,237 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:46:53,237 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1614634749] [2020-09-24 15:46:53,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:46:53,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:53,341 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:53,342 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:53,342 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:53,342 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:53,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 356 [2020-09-24 15:46:53,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:53,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:46:53,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:53,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:46:53,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 293 [2020-09-24 15:46:53,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:46:53,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:53,734 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-24 15:46:53,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:46:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:53,746 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:53,747 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:53,747 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:53,747 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:53,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-24 15:46:53,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:53,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:53,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:53,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:53,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:53,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:53,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:53,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-24 15:46:53,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:53,800 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:53,800 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:53,800 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:53,800 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:53,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:53,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:53,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:53,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:53,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:53,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:53,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:53,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:53,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-09-24 15:46:53,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:53,826 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:53,826 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:53,827 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:53,827 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:53,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:46:53,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:53,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:53,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:53,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:53,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:53,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:53,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:53,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:46:53,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:53,838 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:53,838 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:53,838 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:53,839 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:53,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:46:53,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:53,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:53,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:53,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:53,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:53,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:53,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:53,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 15:46:53,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:53,848 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:53,848 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:53,848 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:53,849 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:53,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:46:53,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:53,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:46:53,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:53,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:53,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:53,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:53,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:53,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 15:46:53,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:53,854 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:53,854 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:53,854 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:53,854 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:53,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:46:53,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:53,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:53,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:53,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:53,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:53,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:53,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:53,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 15:46:53,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:53,859 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:53,859 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:53,859 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:53,860 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:53,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:46:53,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:53,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:53,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:53,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:53,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:53,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:53,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:53,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-24 15:46:53,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:53,864 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:53,864 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:53,865 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:53,865 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:53,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:46:53,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:53,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:53,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:53,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:53,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:53,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:53,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:53,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 15:46:53,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:53,870 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:53,870 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:53,870 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:53,870 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:53,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:46:53,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:53,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:53,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:53,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:53,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:53,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:53,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:53,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-24 15:46:53,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:53,878 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:53,878 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:53,878 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:53,879 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:53,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:53,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:53,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:53,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:53,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:53,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:53,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:53,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:53,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-24 15:46:53,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:53,883 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:53,883 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:53,883 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:53,884 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:53,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:53,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:53,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:53,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:53,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:53,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:53,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:53,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:53,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-24 15:46:53,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:53,899 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:53,899 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:53,899 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:53,899 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:53,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:53,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:53,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:53,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:53,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:53,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:53,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:53,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:53,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-24 15:46:53,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:53,913 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:53,913 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:53,913 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:53,914 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:53,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:46:53,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:53,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:53,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:53,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:53,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:53,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:53,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:53,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-09-24 15:46:53,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:53,936 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:53,936 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:53,936 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:53,937 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:53,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-24 15:46:53,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:53,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:46:53,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:53,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:46:53,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-09-24 15:46:53,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:46:53,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:53,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:46:53,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:53,958 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:53,958 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:53,958 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:53,958 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:53,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-24 15:46:53,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:53,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:46:53,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:53,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:46:53,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-09-24 15:46:53,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:46:53,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:53,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:46:53,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:53,977 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:53,977 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:53,978 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:53,978 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:53,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 15:46:53,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:53,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:46:53,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:53,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:46:53,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-24 15:46:53,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:46:53,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:53,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:46:53,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:53,993 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:53,994 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:53,994 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:53,994 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:53,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:46:53,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:53,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:46:53,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:53,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:46:53,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:46:53,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:46:53,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:54,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:54,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:54,054 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:54,054 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:54,054 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:54,055 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:54,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:46:54,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:54,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:46:54,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:54,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:46:54,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:54,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:46:54,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:54,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:46:54,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:54,107 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:54,107 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:54,108 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:54,108 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:54,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:46:54,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:54,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:54,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:54,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:54,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:54,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:54,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:54,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:46:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:54,116 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:54,116 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:54,117 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:54,117 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:54,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:46:54,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:54,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:54,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:54,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:54,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-24 15:46:54,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:54,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:54,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:46:54,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:54,126 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:54,126 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:54,127 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:54,127 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:54,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:54,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:54,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:46:54,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:54,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:54,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:54,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:54,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:54,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2020-09-24 15:46:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:54,151 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:54,151 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:54,151 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:54,152 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:54,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:54,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:54,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:46:54,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:54,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:54,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:54,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:54,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:54,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-09-24 15:46:54,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:54,158 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:54,158 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:54,159 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:54,159 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:54,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:54,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:54,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:54,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:54,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:54,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:54,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:54,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:54,243 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-24 15:46:54,243 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1614634749] [2020-09-24 15:46:54,244 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:46:54,245 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-24 15:46:54,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582703634] [2020-09-24 15:46:54,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-24 15:46:54,246 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:46:54,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-24 15:46:54,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-09-24 15:46:54,247 INFO L87 Difference]: Start difference. First operand 2372 states and 2840 transitions. Second operand 13 states.