/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=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 23:33:04,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 23:33:04,876 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 23:33:04,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 23:33:04,917 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 23:33:04,926 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 23:33:04,928 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 23:33:04,931 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 23:33:04,934 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 23:33:04,937 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 23:33:04,938 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 23:33:04,939 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 23:33:04,939 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 23:33:04,942 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 23:33:04,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 23:33:04,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 23:33:04,947 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 23:33:04,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 23:33:04,950 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 23:33:04,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 23:33:04,960 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 23:33:04,961 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 23:33:04,962 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 23:33:04,963 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 23:33:04,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 23:33:04,976 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 23:33:04,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 23:33:04,982 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 23:33:04,983 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 23:33:04,984 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 23:33:04,984 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 23:33:04,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 23:33:04,986 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 23:33:04,987 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 23:33:04,988 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 23:33:04,988 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 23:33:04,989 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 23:33:04,989 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 23:33:04,989 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 23:33:04,990 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 23:33:04,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 23:33:04,991 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 23:33:05,016 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 23:33:05,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 23:33:05,018 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 23:33:05,018 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 23:33:05,018 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 23:33:05,018 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 23:33:05,019 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 23:33:05,019 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 23:33:05,019 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 23:33:05,019 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 23:33:05,019 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 23:33:05,020 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 23:33:05,020 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 23:33:05,020 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 23:33:05,020 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 23:33:05,020 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 23:33:05,021 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 23:33:05,021 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 23:33:05,021 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 23:33:05,021 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 23:33:05,021 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 23:33:05,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 23:33:05,022 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 23:33:05,022 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 23:33:05,022 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 23:33:05,023 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 23:33:05,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 23:33:05,023 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 23:33:05,023 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 23:33:05,023 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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;log-additional-information=true; [2020-09-24 23:33:05,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 23:33:05,498 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 23:33:05,503 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 23:33:05,504 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 23:33:05,505 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 23:33:05,506 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product34.cil.c [2020-09-24 23:33:05,596 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/13e29f84b/8e9d39f22cbc4866ae36837504f9dd3a/FLAGaba5e538c [2020-09-24 23:33:06,237 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 23:33:06,239 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product34.cil.c [2020-09-24 23:33:06,262 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/13e29f84b/8e9d39f22cbc4866ae36837504f9dd3a/FLAGaba5e538c [2020-09-24 23:33:06,455 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/13e29f84b/8e9d39f22cbc4866ae36837504f9dd3a [2020-09-24 23:33:06,467 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 23:33:06,476 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 23:33:06,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 23:33:06,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 23:33:06,484 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 23:33:06,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 11:33:06" (1/1) ... [2020-09-24 23:33:06,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22589b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:33:06, skipping insertion in model container [2020-09-24 23:33:06,491 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 11:33:06" (1/1) ... [2020-09-24 23:33:06,500 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 23:33:06,567 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 23:33:06,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 23:33:06,978 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 23:33:07,157 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 23:33:07,193 INFO L208 MainTranslator]: Completed translation [2020-09-24 23:33:07,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:33:07 WrapperNode [2020-09-24 23:33:07,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 23:33:07,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 23:33:07,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 23:33:07,195 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 23:33:07,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:33:07" (1/1) ... [2020-09-24 23:33:07,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:33:07" (1/1) ... [2020-09-24 23:33:07,231 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:33:07" (1/1) ... [2020-09-24 23:33:07,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:33:07" (1/1) ... [2020-09-24 23:33:07,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:33:07" (1/1) ... [2020-09-24 23:33:07,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:33:07" (1/1) ... [2020-09-24 23:33:07,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:33:07" (1/1) ... [2020-09-24 23:33:07,293 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 23:33:07,293 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 23:33:07,293 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 23:33:07,294 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 23:33:07,295 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:33:07" (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 23:33:07,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 23:33:07,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 23:33:07,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 23:33:07,394 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 23:33:07,394 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 23:33:07,394 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 23:33:07,395 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 23:33:07,395 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 23:33:07,396 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 23:33:07,397 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 23:33:07,397 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 23:33:07,397 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 23:33:07,397 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 23:33:07,397 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 23:33:07,397 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 23:33:07,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 23:33:07,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-24 23:33:07,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-24 23:33:07,399 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 23:33:07,399 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 23:33:07,399 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 23:33:07,400 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 23:33:07,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 23:33:07,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 23:33:07,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 23:33:07,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 23:33:07,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 23:33:07,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 23:33:07,404 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 23:33:07,404 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 23:33:07,405 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 23:33:07,405 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 23:33:07,405 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 23:33:07,405 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 23:33:07,405 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 23:33:07,405 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 23:33:07,405 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 23:33:07,406 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 23:33:07,406 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 23:33:07,406 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 23:33:07,406 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 23:33:07,406 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 23:33:07,406 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 23:33:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 23:33:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 23:33:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 23:33:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 23:33:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 23:33:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 23:33:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-24 23:33:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 23:33:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 23:33:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 23:33:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 23:33:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 23:33:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 23:33:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 23:33:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 23:33:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 23:33:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 23:33:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 23:33:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 23:33:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 23:33:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 23:33:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-24 23:33:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 23:33:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 23:33:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 23:33:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 23:33:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 23:33:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 23:33:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 23:33:07,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 23:33:07,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 23:33:07,415 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 23:33:07,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 23:33:07,415 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 23:33:07,416 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 23:33:07,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 23:33:07,416 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 23:33:07,416 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 23:33:07,416 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 23:33:07,417 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 23:33:07,417 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 23:33:07,417 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 23:33:07,418 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 23:33:07,418 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 23:33:07,418 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 23:33:07,418 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 23:33:07,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 23:33:07,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 23:33:07,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 23:33:08,500 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 23:33:08,500 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 23:33:08,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 11:33:08 BoogieIcfgContainer [2020-09-24 23:33:08,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 23:33:08,508 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 23:33:08,509 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 23:33:08,512 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 23:33:08,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 11:33:06" (1/3) ... [2020-09-24 23:33:08,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b542f8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 11:33:08, skipping insertion in model container [2020-09-24 23:33:08,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:33:07" (2/3) ... [2020-09-24 23:33:08,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b542f8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 11:33:08, skipping insertion in model container [2020-09-24 23:33:08,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 11:33:08" (3/3) ... [2020-09-24 23:33:08,516 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product34.cil.c [2020-09-24 23:33:08,527 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 23:33:08,537 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 23:33:08,558 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 23:33:08,589 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 23:33:08,589 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 23:33:08,589 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 23:33:08,589 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 23:33:08,590 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 23:33:08,590 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 23:33:08,590 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 23:33:08,590 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 23:33:08,617 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states. [2020-09-24 23:33:08,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 23:33:08,633 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:33:08,635 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 23:33:08,635 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:33:08,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:33:08,641 INFO L82 PathProgramCache]: Analyzing trace with hash 2110285638, now seen corresponding path program 1 times [2020-09-24 23:33:08,651 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:33:08,652 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1477008381] [2020-09-24 23:33:08,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:33:08,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:09,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:09,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:10,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:11,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:12,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:14,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:14,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 23:33:14,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 23:33:14,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5072 [2020-09-24 23:33:14,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:14,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 23:33:14,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-24 23:33:14,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-24 23:33:14,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-24 23:33:14,768 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 23:33:14,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:33:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:14,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:15,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:15,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 23:33:15,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:15,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 380 [2020-09-24 23:33:15,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:15,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:33:15,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:15,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 23:33:15,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:33:15,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 23:33:15,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:15,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:15,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:15,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:33:15,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:15,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 23:33:15,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:15,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:33:15,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:15,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:33:15,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:33:15,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 23:33:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:15,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:15,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:15,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:33:15,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:15,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:33:15,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:15,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:33:15,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:15,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:33:15,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:33:15,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 23:33:15,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:15,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:15,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:15,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:33:15,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:15,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 23:33:15,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:15,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:33:15,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:15,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:33:15,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:33:15,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 23:33:15,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:15,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:15,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:15,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:33:15,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:15,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:33:15,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:15,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:33:15,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:15,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:33:15,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:33:15,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 23:33:15,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:15,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:15,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:15,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:33:15,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:15,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 23:33:15,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:15,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:33:15,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:15,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:33:15,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:33:15,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 23:33:15,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:15,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:15,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:15,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:33:15,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:15,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 23:33:15,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:15,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:33:15,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:15,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:33:15,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:33:15,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 23:33:15,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:15,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:15,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:15,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:33:15,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:15,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:33:15,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:15,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:33:15,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:33:15,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:33:15,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:33:15,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 23:33:15,523 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1477008381] [2020-09-24 23:33:15,525 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:33:15,525 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 23:33:15,526 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20635201] [2020-09-24 23:33:15,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 23:33:15,535 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:33:15,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 23:33:15,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 23:33:15,558 INFO L87 Difference]: Start difference. First operand 297 states. Second operand 9 states. [2020-09-24 23:33:16,218 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:33:17,386 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 23:33:17,680 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 23:33:18,020 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 23:33:18,432 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 23:33:18,743 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 23:33:19,445 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:33:19,786 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 23:33:20,277 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 23:33:21,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:33:21,072 INFO L93 Difference]: Finished difference Result 582 states and 706 transitions. [2020-09-24 23:33:21,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-24 23:33:21,074 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 148 [2020-09-24 23:33:21,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:33:21,107 INFO L225 Difference]: With dead ends: 582 [2020-09-24 23:33:21,107 INFO L226 Difference]: Without dead ends: 404 [2020-09-24 23:33:21,113 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2020-09-24 23:33:21,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2020-09-24 23:33:21,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 337. [2020-09-24 23:33:21,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2020-09-24 23:33:21,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 370 transitions. [2020-09-24 23:33:21,263 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 370 transitions. Word has length 148 [2020-09-24 23:33:21,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:33:21,264 INFO L479 AbstractCegarLoop]: Abstraction has 337 states and 370 transitions. [2020-09-24 23:33:21,264 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 23:33:21,264 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 370 transitions. [2020-09-24 23:33:21,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-24 23:33:21,270 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:33:21,270 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 23:33:21,270 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 23:33:21,271 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:33:21,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:33:21,271 INFO L82 PathProgramCache]: Analyzing trace with hash -1949985502, now seen corresponding path program 1 times [2020-09-24 23:33:21,271 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:33:21,272 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [259776957] [2020-09-24 23:33:21,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:33:21,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:21,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:21,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:21,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:23,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:26,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:26,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-09-24 23:33:26,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 23:33:26,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-09-24 23:33:26,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:26,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 23:33:26,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-24 23:33:26,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-09-24 23:33:26,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:33:26,647 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 23:33:26,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:33:26,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:26,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:26,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:26,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 23:33:26,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:26,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 220 [2020-09-24 23:33:26,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:26,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:33:26,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:26,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 23:33:26,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:33:26,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 23:33:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:26,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:26,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:26,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:33:26,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:26,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:33:26,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:26,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:33:26,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:26,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:33:26,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:33:26,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 23:33:26,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:26,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:26,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:26,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:33:26,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:26,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:33:26,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:26,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:33:26,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:26,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:33:26,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:33:26,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 23:33:26,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:26,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:26,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:26,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:33:26,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:26,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 23:33:26,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:26,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:33:26,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:26,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:33:26,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:33:26,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 23:33:26,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:26,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:26,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:26,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:33:26,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:26,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:33:26,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:26,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:33:26,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:26,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:33:26,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:33:27,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 23:33:27,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:27,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:27,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:27,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:33:27,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:27,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:33:27,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:27,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:33:27,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:27,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:33:27,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:33:27,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 23:33:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:27,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:27,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:27,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 23:33:27,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:27,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 23:33:27,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:27,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:33:27,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:27,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 23:33:27,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:33:27,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 23:33:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:27,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:27,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:27,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:33:27,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:27,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 23:33:27,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:27,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:33:27,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:27,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:33:27,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:33:27,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 23:33:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:27,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:27,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:27,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:33:27,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:27,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:33:27,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:27,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:33:27,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:27,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:33:27,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:33:27,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-24 23:33:27,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:27,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:27,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:27,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:33:27,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:27,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 23:33:27,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:27,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:33:27,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:27,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:33:27,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:33:27,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 23:33:27,149 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [259776957] [2020-09-24 23:33:27,150 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:33:27,150 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 23:33:27,150 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513369089] [2020-09-24 23:33:27,152 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 23:33:27,152 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:33:27,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 23:33:27,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 23:33:27,153 INFO L87 Difference]: Start difference. First operand 337 states and 370 transitions. Second operand 11 states. [2020-09-24 23:33:27,751 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:33:29,406 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-24 23:33:29,956 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-24 23:33:30,335 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 23:33:30,662 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 23:33:30,950 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 23:33:31,711 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 23:33:32,023 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 23:33:32,398 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:33:33,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:33:33,960 INFO L93 Difference]: Finished difference Result 967 states and 1234 transitions. [2020-09-24 23:33:33,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-09-24 23:33:33,961 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 167 [2020-09-24 23:33:33,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:33:33,971 INFO L225 Difference]: With dead ends: 967 [2020-09-24 23:33:33,971 INFO L226 Difference]: Without dead ends: 745 [2020-09-24 23:33:33,976 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 300 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=342, Invalid=990, Unknown=0, NotChecked=0, Total=1332 [2020-09-24 23:33:33,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2020-09-24 23:33:34,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 494. [2020-09-24 23:33:34,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 494 states. [2020-09-24 23:33:34,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 563 transitions. [2020-09-24 23:33:34,074 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 563 transitions. Word has length 167 [2020-09-24 23:33:34,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:33:34,075 INFO L479 AbstractCegarLoop]: Abstraction has 494 states and 563 transitions. [2020-09-24 23:33:34,075 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 23:33:34,075 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 563 transitions. [2020-09-24 23:33:34,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-09-24 23:33:34,080 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:33:34,080 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:33:34,080 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 23:33:34,081 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:33:34,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:33:34,081 INFO L82 PathProgramCache]: Analyzing trace with hash -1512917738, now seen corresponding path program 1 times [2020-09-24 23:33:34,081 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:33:34,082 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [990228651] [2020-09-24 23:33:34,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:33:34,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:34,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:34,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:38,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:38,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-09-24 23:33:38,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 23:33:38,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4040 [2020-09-24 23:33:38,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:38,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 23:33:38,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-09-24 23:33:38,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-09-24 23:33:38,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:33:38,453 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 23:33:38,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:33:38,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:38,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:38,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:38,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 23:33:38,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:38,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-09-24 23:33:38,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:38,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:33:38,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:38,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:33:38,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:33:38,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 23:33:38,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:38,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:38,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:38,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:33:38,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:38,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 23:33:38,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:38,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:33:38,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:38,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:33:38,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:33:38,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 23:33:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:38,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:38,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:38,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:33:38,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:38,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 23:33:38,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:38,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:33:38,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:38,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:33:38,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:33:38,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 23:33:38,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:38,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:38,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:38,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:33:38,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:38,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:33:38,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:38,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:33:38,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:38,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:33:38,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:33:38,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 23:33:38,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:38,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:38,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:38,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:33:38,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:38,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 23:33:38,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:38,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:33:38,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:38,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:33:38,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:33:38,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 23:33:38,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:38,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:38,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:38,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:33:38,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:38,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 23:33:38,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:38,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:33:38,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:38,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 23:33:38,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:33:38,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 23:33:38,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:38,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:38,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:38,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 23:33:38,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:38,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 23:33:38,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:38,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:33:38,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:38,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 23:33:38,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:33:38,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 23:33:38,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:38,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:38,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:38,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:33:38,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:38,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 23:33:38,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:38,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:33:38,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:38,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:33:38,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:33:38,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-24 23:33:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:38,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:38,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:38,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:38,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 23:33:38,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 23:33:38,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-24 23:33:38,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:38,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:33:38,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:38,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-24 23:33:38,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:33:38,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:33:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:38,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:38,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:38,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 23:33:38,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:38,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 23:33:38,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:38,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:33:38,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:38,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:33:38,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:33:38,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 23:33:38,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:38,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:38,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:38,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:33:38,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:38,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:33:38,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:38,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:33:38,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:38,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:33:38,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:33:38,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 23:33:38,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:38,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:38,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:38,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:33:38,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:38,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:33:38,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:38,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:33:38,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:38,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:33:38,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:33:38,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-24 23:33:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:38,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:38,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:38,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:33:38,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:38,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:33:38,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:38,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:33:38,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:38,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:33:38,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:33:38,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-09-24 23:33:38,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:38,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:38,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:38,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:33:38,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:38,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:33:38,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:38,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:33:38,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:38,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:33:38,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:33:38,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 23:33:38,901 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [990228651] [2020-09-24 23:33:38,902 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:33:38,902 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 23:33:38,902 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801085366] [2020-09-24 23:33:38,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 23:33:38,903 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:33:38,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 23:33:38,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-24 23:33:38,904 INFO L87 Difference]: Start difference. First operand 494 states and 563 transitions. Second operand 8 states. [2020-09-24 23:33:39,415 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:33:42,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:33:42,562 INFO L93 Difference]: Finished difference Result 1424 states and 1945 transitions. [2020-09-24 23:33:42,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-24 23:33:42,563 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 200 [2020-09-24 23:33:42,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:33:42,574 INFO L225 Difference]: With dead ends: 1424 [2020-09-24 23:33:42,575 INFO L226 Difference]: Without dead ends: 1421 [2020-09-24 23:33:42,576 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=196, Invalid=506, Unknown=0, NotChecked=0, Total=702 [2020-09-24 23:33:42,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1421 states. [2020-09-24 23:33:42,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1421 to 769. [2020-09-24 23:33:42,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 769 states. [2020-09-24 23:33:42,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 891 transitions. [2020-09-24 23:33:42,716 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 891 transitions. Word has length 200 [2020-09-24 23:33:42,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:33:42,717 INFO L479 AbstractCegarLoop]: Abstraction has 769 states and 891 transitions. [2020-09-24 23:33:42,718 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 23:33:42,718 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 891 transitions. [2020-09-24 23:33:42,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2020-09-24 23:33:42,725 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:33:42,726 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 23:33:42,726 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 23:33:42,727 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:33:42,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:33:42,727 INFO L82 PathProgramCache]: Analyzing trace with hash 1964361860, now seen corresponding path program 1 times [2020-09-24 23:33:42,727 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:33:42,728 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [863259207] [2020-09-24 23:33:42,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:33:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:42,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:43,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:43,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:43,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:43,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:46,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:46,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:47,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:47,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:47,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 399 [2020-09-24 23:33:47,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-24 23:33:47,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5068 [2020-09-24 23:33:47,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:47,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:33:47,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 23:33:47,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 23:33:47,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:33:48,251 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 23:33:48,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:33:48,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:48,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:48,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:48,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 23:33:48,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:48,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-09-24 23:33:48,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:48,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:33:48,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:48,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:33:48,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:33:48,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 23:33:48,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:48,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:48,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:48,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:33:48,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:48,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 23:33:48,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:48,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:33:48,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:48,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:33:48,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:33:48,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 23:33:48,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:48,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:48,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:48,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:33:48,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:48,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 23:33:48,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:48,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:33:48,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:48,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:33:48,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:33:48,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 23:33:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:48,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:48,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:48,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:33:48,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:48,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:33:48,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:48,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:33:48,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:48,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:33:48,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:33:48,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 23:33:48,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:48,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:48,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:48,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:33:48,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:48,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 23:33:48,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:48,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:33:48,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:48,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:33:48,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:33:48,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 23:33:48,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:48,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:48,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:48,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:33:48,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:48,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 23:33:48,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:48,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:33:48,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:48,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:33:48,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:33:48,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 23:33:48,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:48,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:48,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:48,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 23:33:48,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:48,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 23:33:48,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:48,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:33:48,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:48,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 23:33:48,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:33:48,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 23:33:48,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:48,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:48,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:48,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:33:48,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:48,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:33:48,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:48,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:33:48,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:48,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:33:48,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:33:48,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 23:33:48,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:48,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:48,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:48,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-24 23:33:48,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:48,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 23:33:48,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:48,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:33:48,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:48,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-24 23:33:48,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:33:48,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:33:48,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:48,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:48,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:48,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 23:33:48,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:48,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:33:48,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:48,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:33:48,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:48,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:33:48,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:33:48,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:33:48,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:48,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:48,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:48,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:33:48,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:48,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:33:48,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:48,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:33:48,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:48,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:33:48,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:33:48,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-09-24 23:33:48,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:48,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:48,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:48,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:48,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-24 23:33:48,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 23:33:48,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-24 23:33:48,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:48,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 23:33:48,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 23:33:48,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 23:33:48,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:33:48,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:33:48,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:48,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:48,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:48,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 23:33:48,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:48,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-09-24 23:33:48,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:48,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 23:33:48,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 23:33:48,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 23:33:48,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:33:48,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:33:48,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:48,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:48,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:48,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 23:33:48,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:48,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-24 23:33:48,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:48,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:33:48,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:48,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 23:33:48,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:33:48,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 23:33:48,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:48,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:48,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:48,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:33:48,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:48,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:33:48,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:48,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:33:48,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:48,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:33:48,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:33:48,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 23:33:48,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:48,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:48,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:48,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:33:48,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:48,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:33:48,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:48,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:33:48,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 23:33:48,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:33:48,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:33:48,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-24 23:33:48,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:48,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:48,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:48,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 23:33:48,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:48,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:33:48,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:48,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:33:48,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 23:33:48,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:33:48,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:33:48,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:33:48,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:48,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:48,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:48,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:33:48,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:48,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:33:48,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:48,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:33:48,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:48,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:33:48,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:33:48,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 23:33:48,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:48,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:49,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:49,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:49,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-24 23:33:49,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 23:33:49,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-09-24 23:33:49,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:49,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 23:33:49,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 23:33:49,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 23:33:49,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:33:49,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:33:49,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:49,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:49,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:49,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 23:33:49,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:49,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-24 23:33:49,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:49,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 23:33:49,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 23:33:49,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 23:33:49,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:33:49,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:33:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:49,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:49,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:49,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 23:33:49,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:49,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-24 23:33:49,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:49,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:33:49,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:49,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 23:33:49,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:33:49,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 23:33:49,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:49,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:49,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:49,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:33:49,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:49,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:33:49,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:49,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:33:49,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:49,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:33:49,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:33:49,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 23:33:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:49,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:49,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:49,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:33:49,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:49,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:33:49,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:49,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:33:49,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 23:33:49,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:33:49,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:33:49,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-24 23:33:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:49,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:49,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:49,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 23:33:49,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:49,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 23:33:49,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:49,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:33:49,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-09-24 23:33:49,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:33:49,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:33:49,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:33:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:49,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:49,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:49,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:33:49,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:49,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:33:49,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:49,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:33:49,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:49,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:33:49,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:33:49,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 23:33:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:49,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:49,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:49,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:33:49,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:49,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 23:33:49,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:49,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:33:49,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:33:49,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:33:49,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:33:49,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2020-09-24 23:33:49,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:49,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:49,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:49,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:33:49,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:49,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:33:49,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:49,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:33:49,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 23:33:49,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:33:49,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:33:49,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2020-09-24 23:33:49,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:49,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:49,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:49,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:33:49,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:49,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:33:49,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:49,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:33:49,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:33:49,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:33:49,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:33:49,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2020-09-24 23:33:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:33:49,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:33:49,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:33:49,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:33:49,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:33:49,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:33:49,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:33:49,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:33:49,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:33:49,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:33:49,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:33:49,514 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2020-09-24 23:33:49,515 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [863259207] [2020-09-24 23:33:49,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:33:49,515 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-24 23:33:49,516 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777313735] [2020-09-24 23:33:49,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 23:33:49,517 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:33:49,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 23:33:49,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2020-09-24 23:33:49,518 INFO L87 Difference]: Start difference. First operand 769 states and 891 transitions. Second operand 15 states. [2020-09-24 23:33:50,497 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:33:51,695 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:33:51,984 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 23:33:52,295 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 23:33:52,709 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:33:53,056 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 23:33:53,381 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190