/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --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_spec1_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 20:08:52,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 20:08:52,202 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 20:08:52,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 20:08:52,249 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 20:08:52,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 20:08:52,262 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 20:08:52,265 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 20:08:52,268 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 20:08:52,272 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 20:08:52,273 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 20:08:52,274 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 20:08:52,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 20:08:52,277 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 20:08:52,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 20:08:52,282 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 20:08:52,284 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 20:08:52,285 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 20:08:52,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 20:08:52,295 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 20:08:52,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 20:08:52,298 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 20:08:52,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 20:08:52,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 20:08:52,305 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 20:08:52,305 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 20:08:52,305 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 20:08:52,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 20:08:52,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 20:08:52,311 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 20:08:52,311 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 20:08:52,312 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 20:08:52,312 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 20:08:52,313 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 20:08:52,314 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 20:08:52,315 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 20:08:52,315 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 20:08:52,316 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 20:08:52,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 20:08:52,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 20:08:52,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 20:08:52,319 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 20:08:52,367 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 20:08:52,368 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 20:08:52,370 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 20:08:52,370 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 20:08:52,370 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 20:08:52,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 20:08:52,371 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 20:08:52,371 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 20:08:52,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 20:08:52,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 20:08:52,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 20:08:52,373 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 20:08:52,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 20:08:52,374 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 20:08:52,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 20:08:52,374 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 20:08:52,374 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 20:08:52,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 20:08:52,375 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 20:08:52,375 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 20:08:52,375 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 20:08:52,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 20:08:52,376 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 20:08:52,376 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 20:08:52,376 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 20:08:52,376 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 20:08:52,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 20:08:52,377 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 20:08:52,377 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 20:08:52,377 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; [2020-09-24 20:08:52,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 20:08:52,861 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 20:08:52,866 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 20:08:52,870 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 20:08:52,870 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 20:08:52,872 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_productSimulator.cil.c [2020-09-24 20:08:52,960 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d489fe652/fad00b19419c4b50886067bad9f02548/FLAG576f7c16e [2020-09-24 20:08:53,558 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 20:08:53,559 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_productSimulator.cil.c [2020-09-24 20:08:53,575 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d489fe652/fad00b19419c4b50886067bad9f02548/FLAG576f7c16e [2020-09-24 20:08:53,839 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d489fe652/fad00b19419c4b50886067bad9f02548 [2020-09-24 20:08:53,851 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 20:08:53,857 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 20:08:53,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 20:08:53,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 20:08:53,863 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 20:08:53,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:08:53" (1/1) ... [2020-09-24 20:08:53,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@256ae262 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:08:53, skipping insertion in model container [2020-09-24 20:08:53,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:08:53" (1/1) ... [2020-09-24 20:08:53,878 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 20:08:53,932 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 20:08:54,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:08:54,448 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 20:08:54,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:08:54,677 INFO L208 MainTranslator]: Completed translation [2020-09-24 20:08:54,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:08:54 WrapperNode [2020-09-24 20:08:54,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 20:08:54,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 20:08:54,679 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 20:08:54,679 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 20:08:54,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:08:54" (1/1) ... [2020-09-24 20:08:54,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:08:54" (1/1) ... [2020-09-24 20:08:54,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:08:54" (1/1) ... [2020-09-24 20:08:54,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:08:54" (1/1) ... [2020-09-24 20:08:54,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:08:54" (1/1) ... [2020-09-24 20:08:54,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:08:54" (1/1) ... [2020-09-24 20:08:54,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:08:54" (1/1) ... [2020-09-24 20:08:54,793 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 20:08:54,794 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 20:08:54,796 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 20:08:54,796 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 20:08:54,798 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:08:54" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 20:08:54,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 20:08:54,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 20:08:54,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 20:08:54,899 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 20:08:54,899 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 20:08:54,899 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__highWaterSensor [2020-09-24 20:08:54,900 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__highWaterSensor [2020-09-24 20:08:54,900 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__lowWaterSensor [2020-09-24 20:08:54,901 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__lowWaterSensor [2020-09-24 20:08:54,901 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__methaneAlarm [2020-09-24 20:08:54,901 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__methaneAlarm [2020-09-24 20:08:54,901 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 20:08:54,902 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__before__methaneQuery [2020-09-24 20:08:54,902 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__role__methaneQuery [2020-09-24 20:08:54,902 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 20:08:54,903 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 20:08:54,903 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 20:08:54,904 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 20:08:54,904 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 20:08:54,904 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 20:08:54,904 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 20:08:54,904 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 20:08:54,905 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 20:08:54,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 20:08:54,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 20:08:54,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 20:08:54,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 20:08:54,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 20:08:54,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 20:08:54,907 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 20:08:54,907 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 20:08:54,907 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 20:08:54,907 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 20:08:54,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-24 20:08:54,908 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 20:08:54,908 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 20:08:54,908 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 20:08:54,908 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 20:08:54,908 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 20:08:54,908 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 20:08:54,909 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 20:08:54,909 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 20:08:54,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 20:08:54,909 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 20:08:54,910 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 20:08:54,910 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 20:08:54,910 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 20:08:54,910 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 20:08:54,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 20:08:54,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 20:08:54,911 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 20:08:54,911 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 20:08:54,911 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 20:08:54,912 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 20:08:54,912 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 20:08:54,912 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 20:08:54,912 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 20:08:54,913 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 20:08:54,913 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 20:08:54,913 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 20:08:54,913 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 20:08:54,913 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 20:08:54,913 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 20:08:54,914 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 20:08:54,914 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 20:08:54,914 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 20:08:54,914 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 20:08:54,914 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-24 20:08:54,914 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 20:08:54,915 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__highWaterSensor [2020-09-24 20:08:54,915 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 20:08:54,916 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__highWaterSensor [2020-09-24 20:08:54,917 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__lowWaterSensor [2020-09-24 20:08:54,917 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 20:08:54,917 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__lowWaterSensor [2020-09-24 20:08:54,917 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__methaneAlarm [2020-09-24 20:08:54,917 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 20:08:54,918 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__methaneAlarm [2020-09-24 20:08:54,918 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__before__methaneQuery [2020-09-24 20:08:54,918 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__role__methaneQuery [2020-09-24 20:08:54,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 20:08:54,918 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 20:08:54,919 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 20:08:54,919 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 20:08:54,919 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 20:08:54,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 20:08:54,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 20:08:54,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 20:08:54,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 20:08:54,920 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 20:08:54,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 20:08:54,920 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 20:08:54,921 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 20:08:54,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 20:08:54,921 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 20:08:54,921 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 20:08:54,921 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 20:08:54,921 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 20:08:54,922 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 20:08:54,922 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 20:08:54,922 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 20:08:54,922 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 20:08:54,922 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 20:08:54,922 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 20:08:54,923 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 20:08:54,923 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 20:08:54,923 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 20:08:54,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 20:08:54,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 20:08:54,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 20:08:56,168 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 20:08:56,168 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 20:08:56,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:08:56 BoogieIcfgContainer [2020-09-24 20:08:56,177 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 20:08:56,178 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 20:08:56,178 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 20:08:56,182 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 20:08:56,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 08:08:53" (1/3) ... [2020-09-24 20:08:56,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dca355 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:08:56, skipping insertion in model container [2020-09-24 20:08:56,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:08:54" (2/3) ... [2020-09-24 20:08:56,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dca355 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:08:56, skipping insertion in model container [2020-09-24 20:08:56,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:08:56" (3/3) ... [2020-09-24 20:08:56,187 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_productSimulator.cil.c [2020-09-24 20:08:56,199 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 20:08:56,211 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 20:08:56,234 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 20:08:56,269 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 20:08:56,269 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 20:08:56,269 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 20:08:56,269 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 20:08:56,270 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 20:08:56,270 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 20:08:56,270 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 20:08:56,270 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 20:08:56,303 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states. [2020-09-24 20:08:56,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-09-24 20:08:56,326 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:08:56,327 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:08:56,328 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:08:56,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:08:56,336 INFO L82 PathProgramCache]: Analyzing trace with hash -539985006, now seen corresponding path program 1 times [2020-09-24 20:08:56,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:08:56,347 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [492051290] [2020-09-24 20:08:56,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:08:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:08:56,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:08:57,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:08:59,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:00,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:00,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:01,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:01,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-09-24 20:09:01,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 20:09:01,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-09-24 20:09:01,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:01,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 20:09:01,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-09-24 20:09:01,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-09-24 20:09:01,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 20:09:02,330 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-24 20:09:02,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:09:02,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:02,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:02,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:02,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 20:09:02,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:02,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 292 [2020-09-24 20:09:02,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:02,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:09:02,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:02,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-24 20:09:02,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:02,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-24 20:09:02,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:02,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:02,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:02,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:09:02,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:02,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:09:02,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:02,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:09:02,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:02,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 20:09:02,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:02,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-24 20:09:02,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:02,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:02,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:02,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 20:09:02,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:02,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-24 20:09:02,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:02,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:09:02,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:02,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-24 20:09:02,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:02,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:09:02,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:02,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:02,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:02,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 20:09:02,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:02,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:09:02,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:02,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:09:02,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:02,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:09:02,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:02,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 20:09:02,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:02,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:02,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:02,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 20:09:02,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:02,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:09:02,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:02,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:09:02,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:02,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:09:02,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:02,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 20:09:02,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:02,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:02,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:02,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 20:09:02,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:02,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:09:02,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:02,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:09:02,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:02,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:09:02,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:02,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 20:09:02,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:02,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:02,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:02,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 20:09:02,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:02,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:09:02,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:02,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:09:02,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:02,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:09:02,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:02,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-24 20:09:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:02,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:02,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:02,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 20:09:02,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:02,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:09:02,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:02,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:09:02,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:02,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:09:02,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:02,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 20:09:02,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:02,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:02,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:02,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 20:09:02,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:02,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:09:02,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:02,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:09:02,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:02,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:09:02,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:02,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-24 20:09:02,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:02,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:02,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:02,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:09:02,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:02,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:09:02,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:02,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:09:02,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:02,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:09:02,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:02,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 20:09:02,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:02,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:02,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:02,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:09:02,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:02,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:09:02,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:02,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:09:02,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:02,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:09:02,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:02,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-09-24 20:09:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:02,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:02,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:02,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:09:02,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:02,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:09:02,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:02,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:09:03,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:03,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:09:03,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:03,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-24 20:09:03,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:03,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:03,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:03,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:09:03,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:03,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 20:09:03,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:03,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:09:03,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:03,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:09:03,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:03,180 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-24 20:09:03,181 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [492051290] [2020-09-24 20:09:03,183 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:09:03,183 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 20:09:03,185 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535693132] [2020-09-24 20:09:03,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 20:09:03,192 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:09:03,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 20:09:03,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 20:09:03,214 INFO L87 Difference]: Start difference. First operand 415 states. Second operand 10 states. [2020-09-24 20:09:03,927 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-24 20:09:06,090 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-24 20:09:06,486 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-24 20:09:06,929 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-24 20:09:07,367 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-24 20:09:07,728 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-24 20:09:08,696 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-24 20:09:09,067 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-24 20:09:09,523 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-24 20:09:12,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:09:12,572 INFO L93 Difference]: Finished difference Result 818 states and 1048 transitions. [2020-09-24 20:09:12,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-24 20:09:12,575 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 224 [2020-09-24 20:09:12,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:09:12,602 INFO L225 Difference]: With dead ends: 818 [2020-09-24 20:09:12,603 INFO L226 Difference]: Without dead ends: 560 [2020-09-24 20:09:12,611 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-24 20:09:12,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-09-24 20:09:12,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 513. [2020-09-24 20:09:12,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 513 states. [2020-09-24 20:09:12,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 612 transitions. [2020-09-24 20:09:12,780 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 612 transitions. Word has length 224 [2020-09-24 20:09:12,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:09:12,782 INFO L479 AbstractCegarLoop]: Abstraction has 513 states and 612 transitions. [2020-09-24 20:09:12,782 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 20:09:12,782 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 612 transitions. [2020-09-24 20:09:12,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2020-09-24 20:09:12,791 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:09:12,791 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:09:12,792 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 20:09:12,792 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:09:12,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:09:12,792 INFO L82 PathProgramCache]: Analyzing trace with hash -1977584448, now seen corresponding path program 1 times [2020-09-24 20:09:12,793 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:09:12,793 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [82776058] [2020-09-24 20:09:12,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:09:12,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:12,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:13,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:13,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:17,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:17,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 341 [2020-09-24 20:09:17,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 20:09:17,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-09-24 20:09:17,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:17,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 20:09:17,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-09-24 20:09:17,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-09-24 20:09:17,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:18,337 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-24 20:09:18,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:09:18,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:18,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:18,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:18,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 20:09:18,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:18,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 264 [2020-09-24 20:09:18,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:18,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:09:18,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:18,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-09-24 20:09:18,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:18,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-24 20:09:18,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:18,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:18,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:18,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:09:18,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:18,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:09:18,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:18,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:09:18,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:18,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 20:09:18,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:18,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-24 20:09:18,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:18,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:18,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:18,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 20:09:18,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:18,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-24 20:09:18,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:18,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:09:18,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:18,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-24 20:09:18,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:18,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:09:18,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:18,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:18,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:18,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 20:09:18,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:18,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:09:18,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:18,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:09:18,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:18,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:09:18,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:18,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 20:09:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:18,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:18,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:18,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 20:09:18,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:18,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:09:18,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:18,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:09:18,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:18,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:09:18,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:18,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 20:09:18,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:18,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:18,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:18,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 20:09:18,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:18,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:09:18,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:18,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:09:18,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:18,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:09:18,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:18,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 20:09:18,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:18,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:18,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:18,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 20:09:18,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:18,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:09:18,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:18,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:09:18,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:18,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:09:18,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:18,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-24 20:09:18,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:18,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:18,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:18,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 20:09:18,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:18,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:09:18,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:18,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:09:18,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:18,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:09:18,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:18,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 20:09:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:18,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:18,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:18,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 20:09:18,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:18,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:09:18,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:18,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:09:18,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:18,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:09:18,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:18,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-24 20:09:18,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:18,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:18,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:18,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:09:18,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:18,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:09:18,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:18,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:09:18,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:18,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:09:18,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:18,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 20:09:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:18,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:18,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:18,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:09:18,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:18,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:09:18,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:18,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:09:18,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:18,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:09:18,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:18,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-09-24 20:09:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:18,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:18,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:19,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:19,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:19,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-24 20:09:19,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 20:09:19,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 595 [2020-09-24 20:09:19,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:19,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:09:19,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-09-24 20:09:19,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:09:19,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:19,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:09:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:19,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:19,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:19,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:19,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-24 20:09:19,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:09:19,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 374 [2020-09-24 20:09:19,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:19,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:09:19,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-09-24 20:09:19,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:09:19,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:19,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:09:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:19,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:19,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:20,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:20,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 20:09:20,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:09:20,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 333 [2020-09-24 20:09:20,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:20,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:09:20,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-24 20:09:20,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:09:20,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:20,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:09:20,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:20,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:20,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:20,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:20,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 20:09:20,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:09:20,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 330 [2020-09-24 20:09:20,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:20,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:09:20,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 20:09:20,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:09:20,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:20,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:09:20,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:20,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:20,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:20,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:20,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 20:09:20,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:09:20,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-09-24 20:09:20,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:20,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:09:20,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:20,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 20:09:20,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:20,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:09:20,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:20,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:20,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:20,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:09:20,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:20,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:09:20,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:20,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:09:20,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:20,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:09:20,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:20,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 20:09:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:20,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:20,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:20,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 20:09:20,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:20,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:09:20,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:20,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:09:20,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-24 20:09:20,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:09:20,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:20,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:09:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:20,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:20,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:20,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:09:20,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:20,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:09:20,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:20,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:09:20,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:20,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:09:20,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:20,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-09-24 20:09:20,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:20,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:20,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:20,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:09:20,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:20,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:09:20,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:20,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:09:20,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:09:20,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:09:20,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:20,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2020-09-24 20:09:20,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:20,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:20,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:20,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:09:20,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:20,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:09:20,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:20,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:09:20,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:09:20,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:09:20,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:21,004 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-24 20:09:21,005 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [82776058] [2020-09-24 20:09:21,005 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:09:21,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-24 20:09:21,006 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340465198] [2020-09-24 20:09:21,010 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 20:09:21,011 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:09:21,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 20:09:21,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-09-24 20:09:21,012 INFO L87 Difference]: Start difference. First operand 513 states and 612 transitions. Second operand 12 states. [2020-09-24 20:09:21,750 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-24 20:09:24,422 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-24 20:09:24,821 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-24 20:09:25,267 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-09-24 20:09:25,728 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-24 20:09:26,226 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-09-24 20:09:26,640 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-24 20:09:27,406 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-24 20:09:27,827 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-24 20:09:28,260 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-09-24 20:09:28,703 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-24 20:09:29,137 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-24 20:09:29,520 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-24 20:09:32,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:09:32,839 INFO L93 Difference]: Finished difference Result 1279 states and 1712 transitions. [2020-09-24 20:09:32,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-24 20:09:32,842 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 284 [2020-09-24 20:09:32,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:09:32,851 INFO L225 Difference]: With dead ends: 1279 [2020-09-24 20:09:32,851 INFO L226 Difference]: Without dead ends: 918 [2020-09-24 20:09:32,858 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=284, Invalid=772, Unknown=0, NotChecked=0, Total=1056 [2020-09-24 20:09:32,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 918 states. [2020-09-24 20:09:33,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 918 to 798. [2020-09-24 20:09:33,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 798 states. [2020-09-24 20:09:33,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 959 transitions. [2020-09-24 20:09:33,036 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 959 transitions. Word has length 284 [2020-09-24 20:09:33,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:09:33,038 INFO L479 AbstractCegarLoop]: Abstraction has 798 states and 959 transitions. [2020-09-24 20:09:33,038 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 20:09:33,038 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 959 transitions. [2020-09-24 20:09:33,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-09-24 20:09:33,044 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:09:33,045 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:09:33,045 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 20:09:33,045 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:09:33,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:09:33,046 INFO L82 PathProgramCache]: Analyzing trace with hash 54602799, now seen corresponding path program 1 times [2020-09-24 20:09:33,046 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:09:33,046 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [134119393] [2020-09-24 20:09:33,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:09:33,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:33,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:33,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:34,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:38,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:38,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 333 [2020-09-24 20:09:38,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 20:09:38,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-24 20:09:38,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:38,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 20:09:38,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-09-24 20:09:38,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 228 [2020-09-24 20:09:38,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:38,497 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-24 20:09:38,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:09:38,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:38,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:38,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:38,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 20:09:38,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:38,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 301 [2020-09-24 20:09:38,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:38,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:09:38,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:38,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-24 20:09:38,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:38,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-24 20:09:38,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:38,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:38,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:38,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:09:38,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:38,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 20:09:38,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:38,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:09:38,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:38,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 20:09:38,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:38,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-24 20:09:38,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:38,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:39,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:39,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 20:09:39,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:39,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-24 20:09:39,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:39,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:09:39,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:39,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-24 20:09:39,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:39,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:09:39,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:39,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:39,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:39,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 20:09:39,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:39,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:09:39,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:39,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:09:39,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:39,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:09:39,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:39,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 20:09:39,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:39,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:39,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:39,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 20:09:39,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:39,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:09:39,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:39,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:09:39,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:39,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:09:39,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:39,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 20:09:39,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:39,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:39,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:39,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 20:09:39,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:39,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:09:39,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:39,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:09:39,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:39,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:09:39,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:39,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 20:09:39,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:39,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:39,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:39,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 20:09:39,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:39,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:09:39,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:39,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:09:39,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:39,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:09:39,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:39,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-24 20:09:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:39,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:39,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:39,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 20:09:39,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:39,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:09:39,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:39,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:09:39,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:39,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:09:39,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:39,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 20:09:39,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:39,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:39,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:39,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 20:09:39,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:39,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:09:39,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:39,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:09:39,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:39,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:09:39,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:39,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-24 20:09:39,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:39,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:39,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:39,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:09:39,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:39,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:09:39,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:39,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:09:39,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:39,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:09:39,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:39,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 20:09:39,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:39,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:39,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:39,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:09:39,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:39,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:09:39,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:39,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:09:39,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:39,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:09:39,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:39,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-24 20:09:39,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:39,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:39,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:39,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:39,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-24 20:09:39,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:09:39,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-09-24 20:09:39,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:39,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:09:39,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-24 20:09:39,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 20:09:39,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:39,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:09:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:39,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:39,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:39,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-24 20:09:39,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:39,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-24 20:09:39,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:39,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:09:39,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 20:09:39,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 20:09:39,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:39,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:09:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:39,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:39,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:39,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 20:09:39,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:39,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-24 20:09:39,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:39,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:09:39,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 20:09:39,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 20:09:39,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:39,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:09:39,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:39,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:39,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:39,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 20:09:39,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:39,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-24 20:09:39,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:39,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:09:39,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 20:09:39,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 20:09:39,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:39,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:09:39,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:39,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:39,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:39,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 20:09:39,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:39,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-24 20:09:39,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:39,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:09:39,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 20:09:39,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 20:09:39,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:39,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:09:39,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:39,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:39,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:39,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:09:39,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:39,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 20:09:39,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:39,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 20:09:39,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:39,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:09:39,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:39,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 20:09:39,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:39,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:39,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:39,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 20:09:39,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:39,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 20:09:39,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:39,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:09:39,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-24 20:09:39,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:09:39,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:39,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:09:39,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:39,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:39,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:39,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:09:39,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:39,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:09:39,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:39,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:09:39,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:39,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:09:39,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:39,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2020-09-24 20:09:39,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:39,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:39,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:39,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:09:39,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:39,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 20:09:39,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:39,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:09:39,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:39,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:09:39,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:39,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-09-24 20:09:39,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:39,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:39,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:39,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:09:39,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:39,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:09:39,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:39,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:09:39,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:09:39,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:09:39,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:40,126 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-24 20:09:40,127 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [134119393] [2020-09-24 20:09:40,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:09:40,127 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-24 20:09:40,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394903093] [2020-09-24 20:09:40,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 20:09:40,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:09:40,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 20:09:40,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2020-09-24 20:09:40,131 INFO L87 Difference]: Start difference. First operand 798 states and 959 transitions. Second operand 15 states. [2020-09-24 20:09:40,740 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-24 20:09:42,370 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-24 20:09:42,819 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-24 20:09:43,346 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-24 20:09:43,864 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-24 20:09:44,311 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 214