/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 --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_spec4_product63.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:14:03,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:14:03,786 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:14:03,813 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:14:03,813 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:14:03,814 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:14:03,815 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:14:03,817 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:14:03,819 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:14:03,820 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:14:03,821 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:14:03,822 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:14:03,822 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:14:03,824 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:14:03,825 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:14:03,826 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:14:03,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:14:03,828 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:14:03,830 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:14:03,833 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:14:03,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:14:03,836 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:14:03,838 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:14:03,839 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:14:03,842 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:14:03,842 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:14:03,843 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:14:03,844 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:14:03,844 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:14:03,845 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:14:03,846 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:14:03,847 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:14:03,848 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:14:03,849 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:14:03,850 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:14:03,850 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:14:03,851 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:14:03,851 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:14:03,851 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:14:03,852 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:14:03,853 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:14:03,854 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 [2020-09-21 11:14:03,903 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:14:03,903 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:14:03,904 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:14:03,905 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:14:03,905 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:14:03,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:14:03,905 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:14:03,906 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:14:03,907 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:14:03,907 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:14:03,908 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:14:03,909 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:14:03,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:14:03,909 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:14:03,909 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:14:03,910 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:14:03,910 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:14:03,910 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:14:03,910 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:14:03,910 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:14:03,911 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:14:03,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:14:03,911 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:14:03,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:14:03,912 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:14:03,912 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:14:03,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:14:03,912 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:14:03,913 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:14:03,913 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.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; [2020-09-21 11:14:04,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:14:04,407 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:14:04,412 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:14:04,414 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:14:04,414 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:14:04,415 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product63.cil.c [2020-09-21 11:14:04,488 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5cb8c2e36/fbe492d6b50946688f63532af226b4d1/FLAGee88a11a5 [2020-09-21 11:14:05,200 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:14:05,202 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product63.cil.c [2020-09-21 11:14:05,222 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5cb8c2e36/fbe492d6b50946688f63532af226b4d1/FLAGee88a11a5 [2020-09-21 11:14:05,411 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5cb8c2e36/fbe492d6b50946688f63532af226b4d1 [2020-09-21 11:14:05,423 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:14:05,429 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:14:05,430 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:14:05,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:14:05,436 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:14:05,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:14:05" (1/1) ... [2020-09-21 11:14:05,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10ac6c89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:05, skipping insertion in model container [2020-09-21 11:14:05,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:14:05" (1/1) ... [2020-09-21 11:14:05,451 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:14:05,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:14:06,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:14:06,019 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:14:06,104 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:14:06,154 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:14:06,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:06 WrapperNode [2020-09-21 11:14:06,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:14:06,158 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:14:06,158 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:14:06,158 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:14:06,178 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:06" (1/1) ... [2020-09-21 11:14:06,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:06" (1/1) ... [2020-09-21 11:14:06,205 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:06" (1/1) ... [2020-09-21 11:14:06,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:06" (1/1) ... [2020-09-21 11:14:06,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:06" (1/1) ... [2020-09-21 11:14:06,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:06" (1/1) ... [2020-09-21 11:14:06,287 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:06" (1/1) ... [2020-09-21 11:14:06,295 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:14:06,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:14:06,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:14:06,296 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:14:06,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:06" (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 [2020-09-21 11:14:06,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:14:06,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:14:06,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:14:06,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:14:06,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:14:06,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:14:06,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:14:06,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:14:06,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:14:06,393 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:14:06,393 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:14:06,393 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:14:06,393 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:14:06,393 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:14:06,394 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:14:06,395 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:14:06,395 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:14:06,395 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:14:06,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-21 11:14:06,396 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:14:06,396 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:14:06,396 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:14:06,396 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:14:06,396 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:14:06,397 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:14:06,398 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-21 11:14:06,398 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 11:14:06,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:14:06,398 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:14:06,399 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:14:06,399 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-21 11:14:06,399 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 11:14:06,399 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:14:06,399 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 11:14:06,400 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:14:06,400 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:14:06,400 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:14:06,400 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:14:06,400 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:14:06,400 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-21 11:14:06,401 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 11:14:06,401 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 11:14:06,401 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:14:06,403 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:14:06,403 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:14:06,404 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:14:06,405 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:14:06,405 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:14:06,405 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:14:06,405 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:14:06,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:14:06,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:14:06,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:14:06,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:14:06,407 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:14:06,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:14:06,407 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:14:06,408 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:14:06,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:14:06,408 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:14:06,408 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:14:06,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:14:06,408 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:14:06,409 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:14:06,409 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:14:06,409 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:14:06,409 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:14:06,409 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:14:06,409 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:14:06,410 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:14:06,410 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:14:06,410 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:14:06,411 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:14:06,411 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:14:06,412 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:14:06,413 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:14:06,413 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:14:06,413 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:14:06,413 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:14:06,414 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:14:06,414 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-21 11:14:06,414 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:14:06,414 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:14:06,414 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:14:06,414 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-21 11:14:06,415 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 11:14:06,415 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:14:06,415 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:14:06,415 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 11:14:06,415 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:14:06,415 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:14:06,416 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-21 11:14:06,416 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-21 11:14:06,416 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 11:14:06,416 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 11:14:06,416 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:14:06,416 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 11:14:06,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:14:06,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:14:06,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:14:07,487 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:14:07,488 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:14:07,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:14:07 BoogieIcfgContainer [2020-09-21 11:14:07,494 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:14:07,495 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:14:07,496 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:14:07,499 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:14:07,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:14:05" (1/3) ... [2020-09-21 11:14:07,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fa379a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:14:07, skipping insertion in model container [2020-09-21 11:14:07,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:06" (2/3) ... [2020-09-21 11:14:07,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fa379a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:14:07, skipping insertion in model container [2020-09-21 11:14:07,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:14:07" (3/3) ... [2020-09-21 11:14:07,504 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product63.cil.c [2020-09-21 11:14:07,516 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:14:07,526 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:14:07,549 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:14:07,580 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:14:07,581 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:14:07,581 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:14:07,581 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:14:07,581 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:14:07,581 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:14:07,582 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:14:07,582 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:14:07,609 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states. [2020-09-21 11:14:07,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 11:14:07,622 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:07,623 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:14:07,624 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:07,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:07,632 INFO L82 PathProgramCache]: Analyzing trace with hash 1593418819, now seen corresponding path program 1 times [2020-09-21 11:14:07,641 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:07,641 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1662462255] [2020-09-21 11:14:07,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:07,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:07,925 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:07,925 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:07,925 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:07,926 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:07,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 11:14:07,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:07,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:14:07,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:07,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:07,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 11:14:07,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:07,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:08,415 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:14:08,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:08,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:08,434 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:08,434 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:08,435 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:08,435 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:08,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:08,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:08,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:08,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:08,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:08,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:08,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:08,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:08,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:08,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:08,498 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:08,498 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:08,498 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:08,499 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:08,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:08,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:08,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:08,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:08,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:08,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:08,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:08,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:08,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:14:08,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:08,505 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:08,506 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:08,506 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:08,506 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:08,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:08,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:08,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:08,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:08,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:08,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:08,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:08,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:08,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:08,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:08,518 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:08,520 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:08,520 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:08,520 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:08,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:08,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:08,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:14:08,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:08,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:08,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:08,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:08,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:08,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:14:08,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:08,529 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:08,530 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:08,530 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:08,530 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:08,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:08,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:08,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:08,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:08,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:08,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:08,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:08,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:08,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:14:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:08,543 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:08,543 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:08,543 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:08,544 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:08,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:08,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:08,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:08,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:08,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:08,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:08,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:08,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:08,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:14:08,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:08,551 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:08,551 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:08,552 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:08,552 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:08,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:08,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:08,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:08,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:08,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:08,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:08,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:08,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:08,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:14:08,606 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1662462255] [2020-09-21 11:14:08,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:14:08,609 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:14:08,610 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120179020] [2020-09-21 11:14:08,616 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:14:08,617 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:08,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:14:08,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:14:08,636 INFO L87 Difference]: Start difference. First operand 202 states. Second operand 3 states. [2020-09-21 11:14:10,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:10,051 INFO L93 Difference]: Finished difference Result 365 states and 474 transitions. [2020-09-21 11:14:10,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:14:10,054 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 11:14:10,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:10,073 INFO L225 Difference]: With dead ends: 365 [2020-09-21 11:14:10,073 INFO L226 Difference]: Without dead ends: 197 [2020-09-21 11:14:10,079 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:14:10,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-09-21 11:14:10,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 159. [2020-09-21 11:14:10,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-09-21 11:14:10,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 189 transitions. [2020-09-21 11:14:10,194 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 189 transitions. Word has length 46 [2020-09-21 11:14:10,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:10,194 INFO L479 AbstractCegarLoop]: Abstraction has 159 states and 189 transitions. [2020-09-21 11:14:10,194 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:14:10,195 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 189 transitions. [2020-09-21 11:14:10,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 11:14:10,199 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:10,199 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:14:10,199 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:14:10,200 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:10,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:10,200 INFO L82 PathProgramCache]: Analyzing trace with hash 261795935, now seen corresponding path program 1 times [2020-09-21 11:14:10,200 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:10,201 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [753112632] [2020-09-21 11:14:10,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:10,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:10,272 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:10,272 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:10,272 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:10,273 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:10,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:14:10,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:10,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:14:10,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:10,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:10,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:14:10,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:14:10,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:10,596 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:14:10,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:10,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:10,608 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:10,608 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:10,608 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:10,609 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:10,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:10,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:10,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:10,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:10,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:10,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:10,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:10,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:10,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:10,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:10,651 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:10,651 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:10,651 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:10,651 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:10,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:10,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:10,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:10,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:10,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:10,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:10,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:10,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:10,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:14:10,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:10,656 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:10,656 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:10,656 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:10,657 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:10,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:10,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:10,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:10,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:10,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:10,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:10,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:10,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:10,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:10,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:10,661 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:10,662 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:10,662 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:10,662 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:10,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:10,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:10,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:10,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:10,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:10,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:10,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:10,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:10,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:14:10,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:10,667 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:10,667 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:10,668 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:10,668 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:10,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:10,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:10,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:10,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:10,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:10,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:10,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:10,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:10,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:14:10,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:10,672 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:10,673 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:10,673 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:10,673 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:10,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:10,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:10,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:10,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:10,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:10,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:10,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:10,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:10,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:14:10,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:10,679 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:10,679 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:10,679 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:10,679 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:10,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:10,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:10,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:10,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:10,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:10,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:10,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:10,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:10,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:14:10,690 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [753112632] [2020-09-21 11:14:10,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:14:10,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:14:10,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537424333] [2020-09-21 11:14:10,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:14:10,694 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:10,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:14:10,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:14:10,694 INFO L87 Difference]: Start difference. First operand 159 states and 189 transitions. Second operand 4 states. [2020-09-21 11:14:11,194 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:14:12,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:12,388 INFO L93 Difference]: Finished difference Result 292 states and 357 transitions. [2020-09-21 11:14:12,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:14:12,389 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 11:14:12,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:12,394 INFO L225 Difference]: With dead ends: 292 [2020-09-21 11:14:12,394 INFO L226 Difference]: Without dead ends: 181 [2020-09-21 11:14:12,396 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:14:12,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2020-09-21 11:14:12,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 150. [2020-09-21 11:14:12,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-09-21 11:14:12,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 177 transitions. [2020-09-21 11:14:12,443 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 177 transitions. Word has length 47 [2020-09-21 11:14:12,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:12,443 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 177 transitions. [2020-09-21 11:14:12,443 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:14:12,444 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 177 transitions. [2020-09-21 11:14:12,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 11:14:12,446 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:12,446 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:14:12,446 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:14:12,447 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:12,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:12,447 INFO L82 PathProgramCache]: Analyzing trace with hash -1299589925, now seen corresponding path program 1 times [2020-09-21 11:14:12,447 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:12,448 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1218602949] [2020-09-21 11:14:12,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:12,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:12,898 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:14:12,898 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:12,899 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:12,899 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:12,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-21 11:14:12,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:12,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 400 [2020-09-21 11:14:12,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:12,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:14:12,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:12,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 11:14:12,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:13,269 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:14:13,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:13,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:13,340 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:13,340 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:13,340 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:13,340 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:13,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:13,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:13,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-21 11:14:13,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:13,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:13,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:13,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:14:13,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:13,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:13,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:13,379 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:13,379 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:13,379 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:13,379 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:13,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:13,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:13,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:13,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:13,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:13,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:13,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:13,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:13,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:14:13,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:13,385 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:13,385 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:13,385 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:13,386 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:13,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:13,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:13,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:13,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:13,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:13,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:13,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:13,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:13,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:13,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:13,391 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:13,392 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:13,392 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:13,392 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:13,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:13,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:13,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:13,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:13,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:13,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:13,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:13,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:13,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:14:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:13,398 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:13,398 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:13,398 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:13,399 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:13,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:13,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:13,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:13,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:13,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:13,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:13,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:13,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:13,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:14:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:13,408 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:13,408 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:13,408 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:13,408 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:13,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:13,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:13,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:13,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:13,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:13,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:13,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:13,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:13,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:14:13,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:13,414 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:13,415 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:13,415 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:13,415 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:13,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:13,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:13,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:13,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:13,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:13,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:13,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:13,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:13,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:14:13,425 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1218602949] [2020-09-21 11:14:13,425 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:14:13,425 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:14:13,426 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915072514] [2020-09-21 11:14:13,427 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:14:13,427 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:13,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:14:13,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:14:13,428 INFO L87 Difference]: Start difference. First operand 150 states and 177 transitions. Second operand 4 states. [2020-09-21 11:14:13,756 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:14:16,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:16,002 INFO L93 Difference]: Finished difference Result 449 states and 555 transitions. [2020-09-21 11:14:16,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:14:16,003 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 11:14:16,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:16,010 INFO L225 Difference]: With dead ends: 449 [2020-09-21 11:14:16,010 INFO L226 Difference]: Without dead ends: 323 [2020-09-21 11:14:16,012 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:14:16,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2020-09-21 11:14:16,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 270. [2020-09-21 11:14:16,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2020-09-21 11:14:16,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 325 transitions. [2020-09-21 11:14:16,084 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 325 transitions. Word has length 51 [2020-09-21 11:14:16,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:16,084 INFO L479 AbstractCegarLoop]: Abstraction has 270 states and 325 transitions. [2020-09-21 11:14:16,084 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:14:16,084 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 325 transitions. [2020-09-21 11:14:16,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 11:14:16,087 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:16,088 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:14:16,088 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:14:16,088 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:16,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:16,088 INFO L82 PathProgramCache]: Analyzing trace with hash -848411279, now seen corresponding path program 1 times [2020-09-21 11:14:16,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:16,089 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1800047268] [2020-09-21 11:14:16,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:16,515 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:14:16,515 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:16,515 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:16,516 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:16,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 11:14:16,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:16,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 381 [2020-09-21 11:14:16,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:16,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:14:16,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:16,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-09-21 11:14:16,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:16,881 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:14:16,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:16,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:16,951 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:16,951 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:16,951 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:16,951 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:16,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:16,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:16,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-21 11:14:16,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:16,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:16,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:16,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:14:16,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:16,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:16,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:16,990 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:16,990 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:16,990 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:16,991 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:16,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:16,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:16,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:16,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:16,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:16,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:16,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:16,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:16,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:14:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:16,996 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:16,996 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:16,997 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:16,997 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:16,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:16,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:16,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:16,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:16,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:16,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:16,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:16,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:17,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:17,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:17,004 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:17,004 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:17,004 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:17,004 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:17,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:17,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:17,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:17,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:17,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:17,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:17,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:17,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:17,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:14:17,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:17,010 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:17,010 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:17,010 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:17,011 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:17,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:17,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:17,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:17,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:17,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:17,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:17,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:17,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:17,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:14:17,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:17,035 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:17,036 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:17,036 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:17,036 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:17,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:14:17,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:17,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:17,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:17,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:17,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:17,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:14:17,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:17,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:14:17,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:17,048 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:17,048 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:17,048 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:17,048 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:17,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:17,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:17,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:14:17,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:17,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:17,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:17,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:17,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:17,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 11:14:17,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:17,072 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:17,073 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:17,074 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:17,074 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:17,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:17,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:17,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:17,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:17,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:17,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:17,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:17,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:17,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:14:17,088 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1800047268] [2020-09-21 11:14:17,088 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:14:17,088 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:14:17,089 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651730271] [2020-09-21 11:14:17,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:14:17,090 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:17,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:14:17,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:14:17,091 INFO L87 Difference]: Start difference. First operand 270 states and 325 transitions. Second operand 8 states. [2020-09-21 11:14:17,568 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:14:19,002 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:19,416 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:19,752 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:20,046 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:14:21,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:21,779 INFO L93 Difference]: Finished difference Result 842 states and 1094 transitions. [2020-09-21 11:14:21,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:14:21,782 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-09-21 11:14:21,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:21,793 INFO L225 Difference]: With dead ends: 842 [2020-09-21 11:14:21,793 INFO L226 Difference]: Without dead ends: 596 [2020-09-21 11:14:21,797 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:14:21,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2020-09-21 11:14:21,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 527. [2020-09-21 11:14:21,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2020-09-21 11:14:21,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 645 transitions. [2020-09-21 11:14:21,974 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 645 transitions. Word has length 57 [2020-09-21 11:14:21,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:21,975 INFO L479 AbstractCegarLoop]: Abstraction has 527 states and 645 transitions. [2020-09-21 11:14:21,975 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:14:21,975 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 645 transitions. [2020-09-21 11:14:21,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-21 11:14:21,979 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:21,979 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:14:21,979 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:14:21,979 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:21,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:21,980 INFO L82 PathProgramCache]: Analyzing trace with hash -533846889, now seen corresponding path program 1 times [2020-09-21 11:14:21,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:21,980 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [251386942] [2020-09-21 11:14:21,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:22,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:22,330 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:22,331 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:22,331 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:22,331 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:22,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-21 11:14:22,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:22,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 309 [2020-09-21 11:14:22,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:22,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 11:14:22,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:22,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-21 11:14:22,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:22,616 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:14:22,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:22,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:22,688 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:22,689 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:22,689 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:22,689 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:22,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:22,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:22,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-21 11:14:22,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:22,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:22,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:22,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:14:22,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:22,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:22,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:22,726 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:22,726 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:22,727 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:22,727 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:22,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:22,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:22,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:22,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:22,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:22,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:22,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:22,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:22,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:14:22,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:22,732 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:22,732 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:22,732 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:22,732 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:22,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:22,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:22,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:22,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:22,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:22,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:22,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:22,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:22,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:22,738 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:22,738 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:22,738 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:22,739 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:22,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:22,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:22,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:22,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:22,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:22,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:22,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:22,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:22,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:14:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:22,745 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:22,745 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:22,745 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:22,745 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:22,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:22,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:22,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:22,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:22,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:22,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:22,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:22,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:22,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:14:22,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:22,762 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:22,763 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:22,763 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:22,763 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:22,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:14:22,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:22,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:22,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:22,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:22,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:22,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:14:22,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:22,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:14:22,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:22,778 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:22,778 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:22,778 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:22,778 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:22,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:22,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:22,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:22,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:22,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:22,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:22,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:22,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:22,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:14:22,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:22,783 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:22,783 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:22,784 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:22,784 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:22,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:22,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:22,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:22,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:22,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:22,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:22,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:22,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:22,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 11:14:22,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:22,789 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:22,789 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:22,789 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:22,789 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:22,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:22,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:22,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:22,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:22,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:22,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:22,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:22,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:22,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:14:22,800 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [251386942] [2020-09-21 11:14:22,800 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:14:22,800 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 11:14:22,801 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004991624] [2020-09-21 11:14:22,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:14:22,801 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:22,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:14:22,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:14:22,802 INFO L87 Difference]: Start difference. First operand 527 states and 645 transitions. Second operand 6 states. [2020-09-21 11:14:23,109 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:14:25,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:25,285 INFO L93 Difference]: Finished difference Result 1278 states and 1653 transitions. [2020-09-21 11:14:25,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:14:25,285 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-09-21 11:14:25,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:25,293 INFO L225 Difference]: With dead ends: 1278 [2020-09-21 11:14:25,293 INFO L226 Difference]: Without dead ends: 775 [2020-09-21 11:14:25,296 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:14:25,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2020-09-21 11:14:25,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 709. [2020-09-21 11:14:25,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 709 states. [2020-09-21 11:14:25,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 709 states and 852 transitions. [2020-09-21 11:14:25,566 INFO L78 Accepts]: Start accepts. Automaton has 709 states and 852 transitions. Word has length 61 [2020-09-21 11:14:25,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:25,566 INFO L479 AbstractCegarLoop]: Abstraction has 709 states and 852 transitions. [2020-09-21 11:14:25,566 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:14:25,567 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 852 transitions. [2020-09-21 11:14:25,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-21 11:14:25,570 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:25,570 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:14:25,570 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:14:25,570 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:25,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:25,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1661770583, now seen corresponding path program 1 times [2020-09-21 11:14:25,571 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:25,571 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [482236727] [2020-09-21 11:14:25,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:25,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:26,061 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:26,061 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:26,062 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:26,062 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:26,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-21 11:14:26,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:26,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 438 [2020-09-21 11:14:26,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:26,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:14:26,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:26,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-21 11:14:26,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:26,529 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:14:26,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:26,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:26,599 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:26,599 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:26,599 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:26,599 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:26,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:26,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:26,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-21 11:14:26,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:26,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:26,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:26,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:14:26,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:26,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:26,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:26,633 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:26,633 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:26,634 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:26,634 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:26,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:26,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:26,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:26,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:26,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:26,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:26,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:26,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:26,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:14:26,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:26,642 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:26,643 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:26,643 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:26,643 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:26,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:26,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:26,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:26,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:26,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:26,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:26,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:26,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:26,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:26,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:26,648 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:26,649 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:26,649 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:26,649 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:26,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:26,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:26,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:26,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:26,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:26,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:26,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:26,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:26,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:14:26,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:26,656 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:26,656 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:26,656 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:26,656 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:26,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:26,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:26,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:26,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:26,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:26,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:26,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:26,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:26,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:14:26,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:26,679 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:26,680 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:26,680 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:26,680 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:26,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:26,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:26,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:14:26,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:26,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:14:26,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:14:26,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:14:26,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:26,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:14:26,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:26,737 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:26,737 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:26,738 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:26,738 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:26,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:14:26,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:26,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:26,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:26,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:26,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:26,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:14:26,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:26,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:14:26,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:26,749 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:26,749 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:26,749 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:26,749 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:26,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:26,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:26,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:14:26,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:26,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:26,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:26,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:26,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:26,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 11:14:26,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:26,768 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:26,768 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:26,769 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:26,769 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:26,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:26,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:26,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:26,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:26,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:26,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:26,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:26,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:26,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:14:26,781 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [482236727] [2020-09-21 11:14:26,782 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:14:26,783 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-21 11:14:26,783 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993250975] [2020-09-21 11:14:26,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 11:14:26,784 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:26,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 11:14:26,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:14:26,784 INFO L87 Difference]: Start difference. First operand 709 states and 852 transitions. Second operand 11 states. [2020-09-21 11:14:27,210 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:14:27,916 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:14:28,612 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:28,969 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:29,248 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:29,555 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:31,520 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:14:32,147 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 187 [2020-09-21 11:14:34,346 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-21 11:14:35,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:35,919 INFO L93 Difference]: Finished difference Result 2168 states and 2744 transitions. [2020-09-21 11:14:35,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-21 11:14:35,922 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 61 [2020-09-21 11:14:35,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:35,933 INFO L225 Difference]: With dead ends: 2168 [2020-09-21 11:14:35,933 INFO L226 Difference]: Without dead ends: 1734 [2020-09-21 11:14:35,936 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=193, Invalid=677, Unknown=0, NotChecked=0, Total=870 [2020-09-21 11:14:35,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1734 states. [2020-09-21 11:14:36,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1734 to 1627. [2020-09-21 11:14:36,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1627 states. [2020-09-21 11:14:36,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1627 states to 1627 states and 1941 transitions. [2020-09-21 11:14:36,231 INFO L78 Accepts]: Start accepts. Automaton has 1627 states and 1941 transitions. Word has length 61 [2020-09-21 11:14:36,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:36,232 INFO L479 AbstractCegarLoop]: Abstraction has 1627 states and 1941 transitions. [2020-09-21 11:14:36,232 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 11:14:36,233 INFO L276 IsEmpty]: Start isEmpty. Operand 1627 states and 1941 transitions. [2020-09-21 11:14:36,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-09-21 11:14:36,238 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:36,239 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:14:36,239 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:14:36,240 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:36,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:36,240 INFO L82 PathProgramCache]: Analyzing trace with hash -971494118, now seen corresponding path program 1 times [2020-09-21 11:14:36,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:36,240 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1268350541] [2020-09-21 11:14:36,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:36,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:36,291 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:36,292 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:36,292 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:36,292 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:36,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-09-21 11:14:36,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:36,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:36,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:36,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:36,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-09-21 11:14:36,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:14:36,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:36,565 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:14:36,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:36,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:36,575 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:36,575 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:36,575 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:36,576 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:36,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:36,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:36,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:36,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:36,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:36,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:36,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:36,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:36,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:36,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:36,604 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:36,604 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:36,604 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:36,605 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:36,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:36,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:36,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:36,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:36,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:36,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:36,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:36,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:36,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:14:36,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:36,609 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:36,609 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:36,609 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:36,609 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:36,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:36,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:36,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:36,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:36,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:36,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:36,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:36,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:36,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:36,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:36,613 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:36,613 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:36,614 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:36,614 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:36,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:36,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:36,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:36,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:36,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:36,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:36,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:36,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:36,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:14:36,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:36,618 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:36,619 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:36,619 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:36,619 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:36,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:36,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:36,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:36,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:36,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:36,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:36,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:36,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:36,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:14:36,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:36,644 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:36,644 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:36,645 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:36,645 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:36,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:14:36,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:36,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:36,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:36,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:36,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:36,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:14:36,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:36,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:14:36,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:36,672 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:36,673 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:36,673 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:36,673 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:36,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:14:36,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:36,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:14:36,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:36,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:14:36,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-09-21 11:14:36,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:14:36,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:36,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:36,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:36,703 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:36,703 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:36,704 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:36,704 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:36,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-21 11:14:36,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:36,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:14:36,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:36,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:14:36,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:14:36,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:14:36,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:36,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:36,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:36,724 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:36,725 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:36,725 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:36,725 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:36,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:14:36,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:36,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:14:36,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:36,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:14:36,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 11:14:36,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:14:36,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:36,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:36,747 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:36,748 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:36,748 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:36,748 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:36,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:14:36,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:36,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:14:36,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:36,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:14:36,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:14:36,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:14:36,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:36,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:36,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:36,805 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:36,805 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:36,805 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:36,806 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:36,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:14:36,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:36,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:14:36,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:36,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:36,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:36,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:14:36,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:36,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:36,843 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:36,843 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:36,844 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:36,844 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:36,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:14:36,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:36,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:36,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:36,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:36,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:36,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:36,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:36,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:14:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:36,853 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:36,853 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:36,854 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:36,854 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:36,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:14:36,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:36,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:36,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:36,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:36,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:14:36,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:36,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:36,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:36,869 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:36,869 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:36,869 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:36,870 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:36,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:14:36,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:36,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:36,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:36,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:36,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:36,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:36,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:36,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:36,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:36,884 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:36,886 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:36,886 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:36,886 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:36,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:36,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:36,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:14:36,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:36,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:36,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:36,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:36,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 11:14:36,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:36,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:36,899 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:36,899 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:36,901 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:36,902 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:36,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:36,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:36,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:14:36,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:36,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:36,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:36,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:36,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:36,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:14:36,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:36,918 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:36,918 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:36,918 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:36,919 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:36,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:14:36,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:36,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:36,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:36,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:36,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-21 11:14:36,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:36,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:36,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:36,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:36,926 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:36,926 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:36,926 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:36,927 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:36,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:36,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:36,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:36,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:36,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:36,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:36,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:36,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:36,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-09-21 11:14:36,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:36,963 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:36,963 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:36,963 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:36,964 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:36,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:36,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:36,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:36,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:36,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:36,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:36,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:36,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:36,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-21 11:14:36,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:36,969 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:36,970 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:36,970 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:36,970 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:36,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:36,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:36,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:36,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:36,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:36,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:36,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:36,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:36,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-21 11:14:36,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:36,978 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:36,978 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:36,979 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:36,979 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:36,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:36,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:36,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:36,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:36,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:36,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:36,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:36,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:37,009 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-21 11:14:37,010 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1268350541] [2020-09-21 11:14:37,011 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:14:37,011 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-21 11:14:37,011 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560536129] [2020-09-21 11:14:37,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:14:37,012 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:37,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:14:37,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:14:37,017 INFO L87 Difference]: Start difference. First operand 1627 states and 1941 transitions. Second operand 12 states. [2020-09-21 11:14:38,015 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:14:38,524 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:14:38,827 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:39,161 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:39,506 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:41,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:41,866 INFO L93 Difference]: Finished difference Result 2738 states and 3400 transitions. [2020-09-21 11:14:41,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-21 11:14:41,867 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 132 [2020-09-21 11:14:41,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:41,875 INFO L225 Difference]: With dead ends: 2738 [2020-09-21 11:14:41,876 INFO L226 Difference]: Without dead ends: 1003 [2020-09-21 11:14:41,884 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=121, Invalid=385, Unknown=0, NotChecked=0, Total=506 [2020-09-21 11:14:41,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1003 states. [2020-09-21 11:14:42,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1003 to 934. [2020-09-21 11:14:42,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 934 states. [2020-09-21 11:14:42,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 934 states and 1096 transitions. [2020-09-21 11:14:42,097 INFO L78 Accepts]: Start accepts. Automaton has 934 states and 1096 transitions. Word has length 132 [2020-09-21 11:14:42,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:42,097 INFO L479 AbstractCegarLoop]: Abstraction has 934 states and 1096 transitions. [2020-09-21 11:14:42,098 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:14:42,098 INFO L276 IsEmpty]: Start isEmpty. Operand 934 states and 1096 transitions. [2020-09-21 11:14:42,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-09-21 11:14:42,101 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:42,101 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:14:42,101 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:14:42,102 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:42,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:42,102 INFO L82 PathProgramCache]: Analyzing trace with hash 502690489, now seen corresponding path program 1 times [2020-09-21 11:14:42,102 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:42,103 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [692182524] [2020-09-21 11:14:42,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:42,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,157 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:14:42,157 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -53 [2020-09-21 11:14:42,157 FATAL L256 erpolLogProxyWrapper]: Difference in width: 53 [2020-09-21 11:14:42,157 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 209 [2020-09-21 11:14:42,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:14:42,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:42,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-21 11:14:42,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:42,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:42,395 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:14:42,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:42,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,405 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,406 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,406 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,406 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:42,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:42,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:42,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:42,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:42,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:42,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:42,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,440 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,441 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,441 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,441 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:42,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:42,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:42,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:42,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:42,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:42,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:14:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,447 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,447 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,448 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,448 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:42,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:42,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:42,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:42,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:42,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:42,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:42,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,452 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,452 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,452 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,452 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:42,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:42,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:42,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:42,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:42,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:42,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:14:42,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,460 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,461 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,461 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,461 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:42,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:42,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:42,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:42,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:42,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:42,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:14:42,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,492 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,492 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,493 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,493 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:14:42,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:14:42,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:42,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-21 11:14:42,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:42,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:42,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:42,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,541 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,541 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,541 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,542 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-21 11:14:42,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:14:42,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:42,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-21 11:14:42,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:42,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:42,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:42,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,564 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,564 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,564 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,564 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:14:42,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:14:42,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:42,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:14:42,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:42,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:42,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:42,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,589 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,589 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,589 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,589 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:14:42,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:14:42,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:42,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:14:42,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:42,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:42,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:42,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,605 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,605 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,606 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,606 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:14:42,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:14:42,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:42,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:14:42,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:42,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:42,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:42,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,701 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,702 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,702 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,702 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:14:42,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:14:42,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:14:42,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:42,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:42,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:42,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:14:42,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,720 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,721 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,721 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,721 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:14:42,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:42,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:42,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:14:42,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:42,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:42,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,727 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,728 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,728 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,728 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:14:42,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:42,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:42,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:42,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:42,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:42,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:42,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,733 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,733 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,733 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,734 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:42,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:42,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:42,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:42,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:42,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:42,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:42,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,738 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,738 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,739 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,739 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:42,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:42,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:42,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:42,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:42,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:42,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:14:42,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,747 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,748 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,748 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,748 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:14:42,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:42,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:42,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-21 11:14:42,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:42,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:42,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:42,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,753 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,753 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,753 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,753 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:42,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:42,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:42,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:42,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:42,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:42,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 11:14:42,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,772 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,772 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,773 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,773 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:42,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:42,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:42,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:42,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:42,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:42,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-09-21 11:14:42,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,778 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,778 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,779 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,779 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-21 11:14:42,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:42,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:42,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-21 11:14:42,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:42,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:42,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:42,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,784 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,785 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,785 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,785 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:14:42,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:42,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:42,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:42,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:42,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:42,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:42,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,789 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,790 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,790 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,790 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:42,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:42,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:42,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:42,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:42,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:42,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:14:42,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,794 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,795 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,795 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,795 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:42,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:42,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:42,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:42,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:42,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:42,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-21 11:14:42,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,800 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,800 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,800 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,800 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:42,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:42,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:42,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:42,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:42,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:42,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-21 11:14:42,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,804 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,805 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,805 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,805 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:42,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:42,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:42,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:42,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:42,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:42,842 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-09-21 11:14:42,842 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [692182524] [2020-09-21 11:14:42,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:14:42,843 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-21 11:14:42,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433383787] [2020-09-21 11:14:42,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:14:42,844 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:42,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:14:42,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:14:42,845 INFO L87 Difference]: Start difference. First operand 934 states and 1096 transitions. Second operand 9 states. [2020-09-21 11:14:43,727 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:14:44,046 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:14:44,321 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:14:45,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:45,747 INFO L93 Difference]: Finished difference Result 1764 states and 2146 transitions. [2020-09-21 11:14:45,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:14:45,747 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 146 [2020-09-21 11:14:45,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:45,753 INFO L225 Difference]: With dead ends: 1764 [2020-09-21 11:14:45,753 INFO L226 Difference]: Without dead ends: 854 [2020-09-21 11:14:45,756 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:14:45,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2020-09-21 11:14:45,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 814. [2020-09-21 11:14:45,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 814 states. [2020-09-21 11:14:45,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 814 states and 949 transitions. [2020-09-21 11:14:45,905 INFO L78 Accepts]: Start accepts. Automaton has 814 states and 949 transitions. Word has length 146 [2020-09-21 11:14:45,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:45,905 INFO L479 AbstractCegarLoop]: Abstraction has 814 states and 949 transitions. [2020-09-21 11:14:45,905 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:14:45,906 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 949 transitions. [2020-09-21 11:14:45,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-09-21 11:14:45,910 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:45,911 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:14:45,911 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:14:45,912 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:45,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:45,912 INFO L82 PathProgramCache]: Analyzing trace with hash 1752033202, now seen corresponding path program 1 times [2020-09-21 11:14:45,913 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:45,913 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [17516021] [2020-09-21 11:14:45,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:45,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:46,410 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:46,411 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:46,411 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:46,411 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:46,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-09-21 11:14:46,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:46,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 425 [2020-09-21 11:14:46,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:46,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:14:46,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:46,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 177 [2020-09-21 11:14:46,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:46,814 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:14:46,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:46,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:46,894 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:46,894 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:46,895 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:46,895 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:46,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:46,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:46,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-21 11:14:46,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:46,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:46,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:46,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:14:46,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:46,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:46,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:46,935 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:46,936 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:46,936 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:46,937 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:46,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:46,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:46,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:14:46,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:46,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:46,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:46,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:46,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:46,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:14:46,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:46,944 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:46,944 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:46,944 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:46,945 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:46,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:46,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:46,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:46,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:46,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:46,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:46,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:46,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:46,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:46,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:46,952 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:46,953 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:46,953 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:46,953 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:46,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:46,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:46,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:46,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:46,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:46,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:46,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:46,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:46,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:14:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:46,960 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:46,960 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:46,960 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:46,963 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:46,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:46,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:46,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:14:46,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:46,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:46,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:46,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:46,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:46,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:14:46,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:46,983 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:46,983 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:46,984 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:46,985 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:46,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:46,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:46,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:46,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:46,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:46,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:46,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:46,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:47,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:14:47,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:47,023 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:47,023 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:47,023 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:47,024 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:47,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:14:47,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:47,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:14:47,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:47,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:14:47,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:47,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:14:47,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:47,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:47,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:47,086 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:47,086 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:47,086 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:47,087 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:47,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-21 11:14:47,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:47,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:14:47,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:47,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:14:47,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:47,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 11:14:47,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:47,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:47,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:47,110 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:47,111 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:47,111 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:47,111 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:47,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:14:47,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:47,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:14:47,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:47,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:14:47,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:47,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-21 11:14:47,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:47,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:47,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:47,148 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:47,148 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:47,148 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:47,148 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:47,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:14:47,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:47,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:14:47,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:47,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:14:47,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:47,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-21 11:14:47,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:47,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:47,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:47,165 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:47,166 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:47,166 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:47,166 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:47,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:14:47,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:47,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:47,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:47,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:47,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:47,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:47,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:47,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:47,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:47,172 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:47,173 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:47,173 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:47,173 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:47,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:14:47,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:47,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:47,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:47,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:47,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:47,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:47,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:47,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:14:47,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:47,190 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:47,191 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:47,191 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:47,191 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:47,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:14:47,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:47,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:14:47,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:47,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:14:47,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:47,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:14:47,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:47,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:47,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:47,224 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:47,224 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:47,224 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:47,225 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:47,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:14:47,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:47,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:14:47,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:47,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:14:47,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:47,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:14:47,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:47,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:47,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:47,253 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:47,253 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:47,254 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:47,254 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:47,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:47,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:47,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:47,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:47,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:14:47,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:47,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:47,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:47,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:47,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:47,274 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:47,274 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:47,274 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:47,275 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:47,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:47,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:47,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:47,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:47,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:47,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:47,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:47,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:47,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:14:47,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:47,286 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:47,286 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:47,286 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:47,286 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:47,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:14:47,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:47,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:47,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:47,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:47,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:47,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:14:47,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:47,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:47,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:47,293 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:47,293 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:47,293 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:47,293 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:47,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:47,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:47,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:47,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:47,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:47,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:47,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:47,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:47,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-09-21 11:14:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:47,302 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:47,303 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:47,303 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:47,303 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:47,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:47,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:47,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:47,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:47,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:47,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:47,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:47,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:47,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-09-21 11:14:47,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:47,321 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:47,322 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:47,322 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:47,322 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:47,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-21 11:14:47,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:47,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:14:47,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:47,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:14:47,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:14:47,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:14:47,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:47,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:47,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:47,410 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:47,411 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:47,411 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:47,411 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:47,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:14:47,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:47,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:14:47,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:47,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:14:47,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:47,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:14:47,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:47,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:47,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:47,421 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:47,422 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:47,422 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:47,422 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:47,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:47,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:47,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:14:47,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:47,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:14:47,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:47,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:47,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:47,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:14:47,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:47,437 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:47,437 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:47,438 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:47,438 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:47,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:47,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:47,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:14:47,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:47,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:47,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:47,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:47,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:47,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-21 11:14:47,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:47,444 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:47,444 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:47,444 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:47,444 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:47,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:47,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:47,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:47,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:47,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:47,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:47,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:47,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:47,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-21 11:14:47,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:47,448 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:47,449 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:47,449 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:47,449 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:47,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:47,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:47,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:47,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:47,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:47,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:47,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:47,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:47,478 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-09-21 11:14:47,478 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [17516021] [2020-09-21 11:14:47,478 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:14:47,478 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-21 11:14:47,479 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964730587] [2020-09-21 11:14:47,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-21 11:14:47,479 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:47,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-21 11:14:47,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:14:47,480 INFO L87 Difference]: Start difference. First operand 814 states and 949 transitions. Second operand 15 states. [2020-09-21 11:14:47,905 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:14:48,740 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:14:49,803 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:50,183 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:50,522 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:50,853 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:51,202 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:51,547 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:51,892 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:52,311 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:52,982 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2020-09-21 11:14:54,270 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 11:14:54,860 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-09-21 11:14:56,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:56,591 INFO L93 Difference]: Finished difference Result 2417 states and 2889 transitions. [2020-09-21 11:14:56,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-21 11:14:56,591 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 150 [2020-09-21 11:14:56,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:56,602 INFO L225 Difference]: With dead ends: 2417 [2020-09-21 11:14:56,602 INFO L226 Difference]: Without dead ends: 1627 [2020-09-21 11:14:56,605 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 60 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=255, Invalid=935, Unknown=0, NotChecked=0, Total=1190 [2020-09-21 11:14:56,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1627 states. [2020-09-21 11:14:56,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1627 to 1555. [2020-09-21 11:14:56,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1555 states. [2020-09-21 11:14:56,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 1555 states and 1790 transitions. [2020-09-21 11:14:56,905 INFO L78 Accepts]: Start accepts. Automaton has 1555 states and 1790 transitions. Word has length 150 [2020-09-21 11:14:56,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:56,907 INFO L479 AbstractCegarLoop]: Abstraction has 1555 states and 1790 transitions. [2020-09-21 11:14:56,907 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-21 11:14:56,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 1790 transitions. [2020-09-21 11:14:56,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-09-21 11:14:56,910 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:56,910 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:14:56,911 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:14:56,911 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:56,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:56,911 INFO L82 PathProgramCache]: Analyzing trace with hash -547203946, now seen corresponding path program 1 times [2020-09-21 11:14:56,911 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:56,912 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [918648145] [2020-09-21 11:14:56,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:56,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:56,972 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:56,973 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:56,973 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:56,973 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:56,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-09-21 11:14:56,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:56,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:14:56,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:56,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:14:56,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 192 [2020-09-21 11:14:56,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:14:56,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:57,266 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:14:57,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:57,277 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:57,279 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:57,279 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:57,279 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:57,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:57,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:57,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:14:57,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:57,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:57,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:57,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:57,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:57,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:57,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:57,311 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:57,311 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:57,312 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:57,312 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:57,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:57,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:57,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:57,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:57,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:57,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:57,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:57,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:57,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:14:57,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:57,317 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:57,317 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:57,317 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:57,317 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:57,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:57,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:57,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:57,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:57,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:57,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:57,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:57,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:57,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:57,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:57,320 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:57,321 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:57,321 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:57,321 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:57,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:57,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:57,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:57,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:57,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:57,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:57,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:57,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:57,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:14:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:57,325 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:57,325 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:57,325 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:57,325 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:57,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:57,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:57,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:57,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:57,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:57,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:57,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:57,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:57,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:14:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:57,337 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:57,337 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:57,337 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:57,338 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:57,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:57,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:57,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:57,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:57,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:57,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:57,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:57,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:57,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:14:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:57,359 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:57,359 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:57,360 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:57,363 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:57,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:14:57,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:57,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:14:57,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:57,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:57,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:57,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:57,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:57,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:57,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:57,399 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:57,399 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:57,399 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:57,399 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:57,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-21 11:14:57,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:57,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:57,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:57,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:57,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:57,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:57,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:57,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:57,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:57,410 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:57,410 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:57,410 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:57,410 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:57,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:14:57,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:57,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:57,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:57,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:57,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:57,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:57,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:57,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:57,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:57,423 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:57,423 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:57,423 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:57,423 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:57,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:14:57,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:57,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:57,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:57,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:57,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:57,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:57,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:57,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:57,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:57,431 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:57,431 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:57,431 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:57,432 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:57,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:14:57,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:57,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:57,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:57,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:57,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:57,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:57,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:57,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:57,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:57,436 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:57,437 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:57,437 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:57,437 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:57,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:14:57,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:57,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:57,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:57,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:57,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:57,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:57,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:57,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:14:57,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:57,442 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:57,443 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:57,443 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:57,443 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:57,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:14:57,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:57,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:57,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:57,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:57,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:57,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:57,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:57,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:57,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:57,449 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:57,449 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:57,450 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:57,450 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:57,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:14:57,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:57,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:57,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:57,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:57,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:57,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:57,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:57,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:57,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:57,455 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:57,455 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:57,456 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:57,456 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:57,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:57,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:57,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:57,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:57,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:57,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:57,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:57,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:57,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:57,461 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:57,461 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:57,461 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:57,461 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:57,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:57,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:57,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:57,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:57,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:57,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:57,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:57,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:57,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:14:57,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:57,469 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:57,469 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:57,469 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:57,470 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:57,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:14:57,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:57,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:57,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:57,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:57,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:57,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:57,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:57,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:57,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:57,474 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:57,474 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:57,474 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:57,475 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:57,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:57,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:57,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:57,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:57,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:57,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:57,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:57,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:57,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 11:14:57,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:57,499 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:57,500 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:57,500 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:57,500 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:57,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:57,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:57,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:57,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:57,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:57,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:57,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:57,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:57,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-09-21 11:14:57,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:57,504 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:57,504 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:57,504 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:57,504 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:57,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:57,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:57,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:57,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:57,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:57,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:57,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:57,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:57,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-21 11:14:57,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:57,511 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:57,512 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:57,512 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:57,512 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:57,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-21 11:14:57,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:57,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:57,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:57,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:57,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:57,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-21 11:14:57,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:57,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:57,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:57,519 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:57,519 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:57,519 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:57,519 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:57,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:14:57,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:57,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:57,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:57,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:57,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:57,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:57,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:57,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:57,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:57,524 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:57,524 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:57,524 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:57,524 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:57,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:57,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:57,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:57,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:57,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:57,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:57,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:57,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:57,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:14:57,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:57,530 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:57,530 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:57,530 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:57,531 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:57,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:57,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:57,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:57,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:57,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:57,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:57,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:14:57,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:57,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-21 11:14:57,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:57,537 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:57,537 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:57,537 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:57,537 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:57,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:57,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:57,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:57,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:57,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:57,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:57,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:57,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:57,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-21 11:14:57,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:57,545 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:57,546 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:57,546 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:57,546 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:57,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:57,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:57,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:14:57,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:57,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:57,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:57,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:57,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:57,592 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-09-21 11:14:57,592 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [918648145] [2020-09-21 11:14:57,592 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:14:57,593 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-21 11:14:57,593 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657723614] [2020-09-21 11:14:57,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 11:14:57,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:57,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 11:14:57,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:14:57,594 INFO L87 Difference]: Start difference. First operand 1555 states and 1790 transitions. Second operand 11 states. [2020-09-21 11:14:58,043 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 187