/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 20:08:49,450 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 20:08:49,455 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 20:08:49,499 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 20:08:49,500 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 20:08:49,507 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 20:08:49,510 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 20:08:49,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 20:08:49,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 20:08:49,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 20:08:49,519 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 20:08:49,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 20:08:49,522 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 20:08:49,525 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 20:08:49,527 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 20:08:49,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 20:08:49,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 20:08:49,531 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 20:08:49,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 20:08:49,541 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 20:08:49,543 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 20:08:49,544 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 20:08:49,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 20:08:49,546 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 20:08:49,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 20:08:49,552 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 20:08:49,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 20:08:49,553 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 20:08:49,554 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 20:08:49,558 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 20:08:49,558 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 20:08:49,559 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 20:08:49,559 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 20:08:49,563 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 20:08:49,564 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 20:08:49,564 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 20:08:49,565 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 20:08:49,565 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 20:08:49,565 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 20:08:49,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 20:08:49,567 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 20:08:49,568 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 20:08:49,614 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 20:08:49,614 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 20:08:49,616 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 20:08:49,617 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 20:08:49,617 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 20:08:49,617 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 20:08:49,618 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 20:08:49,618 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 20:08:49,618 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 20:08:49,618 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 20:08:49,619 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 20:08:49,619 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 20:08:49,620 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 20:08:49,620 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 20:08:49,620 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 20:08:49,620 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 20:08:49,621 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 20:08:49,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 20:08:49,621 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 20:08:49,621 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 20:08:49,621 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 20:08:49,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 20:08:49,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 20:08:49,622 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 20:08:49,622 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 20:08:49,622 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 20:08:49,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 20:08:49,623 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 20:08:49,623 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 20:08:49,623 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; [2020-09-24 20:08:50,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 20:08:50,161 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 20:08:50,165 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 20:08:50,167 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 20:08:50,167 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 20:08:50,169 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product62.cil.c [2020-09-24 20:08:50,266 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/da49c8c59/1ff7bb45c05840f7925c24b494d5c385/FLAG141b7cacf [2020-09-24 20:08:50,927 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 20:08:50,928 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product62.cil.c [2020-09-24 20:08:50,960 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/da49c8c59/1ff7bb45c05840f7925c24b494d5c385/FLAG141b7cacf [2020-09-24 20:08:51,175 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/da49c8c59/1ff7bb45c05840f7925c24b494d5c385 [2020-09-24 20:08:51,191 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 20:08:51,199 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 20:08:51,203 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 20:08:51,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 20:08:51,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 20:08:51,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:08:51" (1/1) ... [2020-09-24 20:08:51,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4365ba2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:08:51, skipping insertion in model container [2020-09-24 20:08:51,215 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:08:51" (1/1) ... [2020-09-24 20:08:51,226 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 20:08:51,308 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 20:08:51,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:08:51,847 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 20:08:51,954 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:08:51,999 INFO L208 MainTranslator]: Completed translation [2020-09-24 20:08:52,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:08:52 WrapperNode [2020-09-24 20:08:52,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 20:08:52,001 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 20:08:52,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 20:08:52,001 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 20:08:52,017 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:08:52" (1/1) ... [2020-09-24 20:08:52,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:08:52" (1/1) ... [2020-09-24 20:08:52,040 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:08:52" (1/1) ... [2020-09-24 20:08:52,040 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:08:52" (1/1) ... [2020-09-24 20:08:52,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:08:52" (1/1) ... [2020-09-24 20:08:52,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:08:52" (1/1) ... [2020-09-24 20:08:52,089 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:08:52" (1/1) ... [2020-09-24 20:08:52,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 20:08:52,099 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 20:08:52,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 20:08:52,100 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 20:08:52,101 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:08:52" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 20:08:52,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 20:08:52,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 20:08:52,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 20:08:52,187 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 20:08:52,187 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 20:08:52,187 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 20:08:52,187 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 20:08:52,188 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 20:08:52,188 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 20:08:52,188 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 20:08:52,188 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 20:08:52,188 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 20:08:52,189 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 20:08:52,189 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 20:08:52,189 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 20:08:52,189 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 20:08:52,189 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 20:08:52,190 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 20:08:52,190 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 20:08:52,190 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 20:08:52,190 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 20:08:52,191 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 20:08:52,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 20:08:52,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 20:08:52,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 20:08:52,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 20:08:52,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 20:08:52,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 20:08:52,192 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 20:08:52,192 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 20:08:52,192 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 20:08:52,192 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 20:08:52,193 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 20:08:52,193 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 20:08:52,193 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 20:08:52,193 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 20:08:52,193 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 20:08:52,193 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 20:08:52,194 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 20:08:52,194 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 20:08:52,194 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 20:08:52,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-24 20:08:52,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 20:08:52,194 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 20:08:52,195 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 20:08:52,195 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 20:08:52,195 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 20:08:52,195 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 20:08:52,195 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 20:08:52,196 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 20:08:52,196 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 20:08:52,196 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 20:08:52,196 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 20:08:52,196 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 20:08:52,196 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 20:08:52,197 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 20:08:52,197 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 20:08:52,197 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-24 20:08:52,197 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 20:08:52,197 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 20:08:52,197 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 20:08:52,197 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 20:08:52,198 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 20:08:52,198 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 20:08:52,198 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 20:08:52,198 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 20:08:52,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 20:08:52,199 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 20:08:52,199 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 20:08:52,199 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 20:08:52,199 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 20:08:52,199 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 20:08:52,199 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 20:08:52,200 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 20:08:52,200 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 20:08:52,200 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 20:08:52,200 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 20:08:52,200 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 20:08:52,200 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 20:08:52,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 20:08:52,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 20:08:52,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 20:08:52,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 20:08:52,201 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 20:08:52,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 20:08:52,202 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 20:08:52,202 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 20:08:52,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 20:08:52,202 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 20:08:52,202 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 20:08:52,202 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 20:08:52,203 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 20:08:52,203 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 20:08:52,203 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 20:08:52,203 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 20:08:52,203 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 20:08:52,203 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 20:08:52,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 20:08:52,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 20:08:52,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 20:08:53,427 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 20:08:53,428 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 20:08:53,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:08:53 BoogieIcfgContainer [2020-09-24 20:08:53,436 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 20:08:53,438 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 20:08:53,438 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 20:08:53,442 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 20:08:53,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 08:08:51" (1/3) ... [2020-09-24 20:08:53,443 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58728d3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:08:53, skipping insertion in model container [2020-09-24 20:08:53,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:08:52" (2/3) ... [2020-09-24 20:08:53,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58728d3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:08:53, skipping insertion in model container [2020-09-24 20:08:53,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:08:53" (3/3) ... [2020-09-24 20:08:53,447 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product62.cil.c [2020-09-24 20:08:53,459 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 20:08:53,473 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 20:08:53,497 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 20:08:53,536 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 20:08:53,537 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 20:08:53,537 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 20:08:53,537 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 20:08:53,537 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 20:08:53,537 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 20:08:53,537 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 20:08:53,538 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 20:08:53,568 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states. [2020-09-24 20:08:53,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 20:08:53,588 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:08:53,590 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] [2020-09-24 20:08:53,590 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:08:53,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:08:53,599 INFO L82 PathProgramCache]: Analyzing trace with hash 978294910, now seen corresponding path program 1 times [2020-09-24 20:08:53,610 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:08:53,611 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [558055246] [2020-09-24 20:08:53,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:08:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:08:54,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:08:54,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:08:55,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:08:56,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:08:57,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:08:59,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:08:59,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 20:08:59,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 20:08:59,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-09-24 20:08:59,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:08:59,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 20:08:59,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 20:08:59,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-09-24 20:08:59,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-24 20:08:59,625 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 20:08:59,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:08:59,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:08:59,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:00,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:00,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 20:09:00,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:00,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 337 [2020-09-24 20:09:00,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:00,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:09:00,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:00,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 20:09:00,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:00,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 20:09:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:00,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:00,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:00,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:09:00,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:00,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:09:00,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:00,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:09:00,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:00,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:09:00,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:00,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 20:09:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:00,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:00,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:00,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:09:00,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:00,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:09:00,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:00,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:09:00,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:00,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:09:00,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:00,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 20:09:00,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:00,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:00,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:00,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:09:00,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:00,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 20:09:00,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:00,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:09:00,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:00,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:09:00,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:00,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 20:09:00,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:00,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:00,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:00,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:09:00,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:00,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:09:00,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:00,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:09:00,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:00,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:09:00,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 20:09:00,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 20:09:00,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:00,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:00,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:00,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:09:00,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:00,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:09:00,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:00,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:09:00,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:00,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:09:00,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:00,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 20:09:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:00,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:00,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:00,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:09:00,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:00,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 20:09:00,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:00,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:09:00,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:00,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:09:00,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:00,315 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 20:09:00,316 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [558055246] [2020-09-24 20:09:00,318 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:09:00,319 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 20:09:00,320 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503287071] [2020-09-24 20:09:00,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 20:09:00,328 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:09:00,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 20:09:00,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-24 20:09:00,349 INFO L87 Difference]: Start difference. First operand 345 states. Second operand 8 states. [2020-09-24 20:09:01,098 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:09:02,416 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:09:02,749 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 20:09:03,105 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:09:03,525 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 20:09:03,878 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:09:05,059 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:09:05,413 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:09:05,851 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:09:07,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:09:07,242 INFO L93 Difference]: Finished difference Result 689 states and 854 transitions. [2020-09-24 20:09:07,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 20:09:07,245 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-24 20:09:07,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:09:07,269 INFO L225 Difference]: With dead ends: 689 [2020-09-24 20:09:07,269 INFO L226 Difference]: Without dead ends: 455 [2020-09-24 20:09:07,276 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-09-24 20:09:07,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2020-09-24 20:09:07,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 412. [2020-09-24 20:09:07,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2020-09-24 20:09:07,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 472 transitions. [2020-09-24 20:09:07,425 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 472 transitions. Word has length 142 [2020-09-24 20:09:07,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:09:07,426 INFO L479 AbstractCegarLoop]: Abstraction has 412 states and 472 transitions. [2020-09-24 20:09:07,427 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 20:09:07,427 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 472 transitions. [2020-09-24 20:09:07,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-09-24 20:09:07,434 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:09:07,434 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:09:07,435 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 20:09:07,435 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:09:07,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:09:07,436 INFO L82 PathProgramCache]: Analyzing trace with hash 1773438588, now seen corresponding path program 1 times [2020-09-24 20:09:07,436 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:09:07,436 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1311794586] [2020-09-24 20:09:07,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:09:07,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:07,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:08,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:08,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:12,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:12,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-09-24 20:09:12,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 20:09:12,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-09-24 20:09:12,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:12,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 20:09:12,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 209 [2020-09-24 20:09:12,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-24 20:09:12,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:12,827 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 20:09:12,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:09:12,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:12,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:12,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:12,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 20:09:12,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:12,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-24 20:09:12,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:12,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:09:12,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:12,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:09:12,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:12,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 20:09:12,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:12,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:12,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:12,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:09:12,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:12,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 20:09:12,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:12,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:09:12,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:12,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:09:12,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:12,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 20:09:12,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:12,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:12,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:12,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:09:12,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:12,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:09:12,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:12,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:09:12,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:12,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:09:12,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:12,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 20:09:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:12,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:12,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:12,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:09:12,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:12,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:09:12,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:12,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:09:12,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:12,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:09:12,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:12,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 20:09:12,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:12,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:12,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:12,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:09:12,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:12,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 20:09:12,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:12,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:09:12,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:12,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:09:12,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:12,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 20:09:12,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:12,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:12,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:12,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:09:13,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:13,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:09:13,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:13,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:09:13,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:13,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:09:13,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:13,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 20:09:13,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:13,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:13,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:13,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:13,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 20:09:13,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:09:13,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 965 [2020-09-24 20:09:13,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:13,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 20:09:13,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:13,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-24 20:09:13,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:14,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:09:14,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:14,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:14,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:14,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:14,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 20:09:14,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:09:14,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 855 [2020-09-24 20:09:14,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:14,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 20:09:14,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:14,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-09-24 20:09:14,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:14,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:09:14,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:14,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:14,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:15,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:15,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 20:09:15,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:09:15,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 811 [2020-09-24 20:09:15,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:15,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 20:09:15,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:15,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 20:09:15,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:15,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:09:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:15,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:15,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:15,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 20:09:15,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:15,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 20:09:15,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:15,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:09:15,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:15,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:09:15,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:15,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:09:15,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:15,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:15,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:15,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:09:15,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:15,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:09:15,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:15,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:09:15,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:15,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:09:15,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:15,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 20:09:15,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:15,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:15,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:15,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 20:09:15,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:15,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-24 20:09:15,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:15,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 20:09:15,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:15,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 20:09:15,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:15,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:09:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:15,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:15,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:15,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 20:09:15,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:15,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 20:09:15,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:15,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 20:09:15,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:15,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 20:09:15,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:15,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:09:15,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:15,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:15,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:15,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:09:15,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:15,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:09:15,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:15,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 20:09:15,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:15,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 20:09:15,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:15,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 20:09:15,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:15,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:15,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:15,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:09:15,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:15,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 20:09:15,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:15,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:09:15,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:15,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 20:09:15,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:15,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-24 20:09:15,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:15,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:15,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:15,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:09:15,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:15,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 20:09:15,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:15,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:09:15,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:15,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:09:15,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:16,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-09-24 20:09:16,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:16,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:16,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:16,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:09:16,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:16,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:09:16,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:16,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:09:16,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:09:16,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:09:16,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:16,116 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-24 20:09:16,117 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1311794586] [2020-09-24 20:09:16,117 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 20:09:16,117 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-24 20:09:16,118 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638770796] [2020-09-24 20:09:16,121 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-24 20:09:16,121 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:09:16,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-24 20:09:16,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2020-09-24 20:09:16,122 INFO L87 Difference]: Start difference. First operand 412 states and 472 transitions. Second operand 16 states. [2020-09-24 20:09:16,657 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 20:09:17,795 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:09:18,156 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:09:18,575 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:09:19,002 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:09:19,323 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:09:19,990 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 20:09:20,296 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:09:20,747 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:09:22,190 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:09:22,515 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:09:22,826 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:09:23,145 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:09:23,497 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:09:23,827 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:09:24,154 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:09:25,222 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 20:09:25,530 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:09:25,831 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 20:09:26,129 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:09:26,449 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 20:09:26,770 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:09:27,070 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 20:09:28,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:09:28,782 INFO L93 Difference]: Finished difference Result 1245 states and 1659 transitions. [2020-09-24 20:09:28,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-09-24 20:09:28,783 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 221 [2020-09-24 20:09:28,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:09:28,795 INFO L225 Difference]: With dead ends: 1245 [2020-09-24 20:09:28,796 INFO L226 Difference]: Without dead ends: 869 [2020-09-24 20:09:28,801 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 41 SyntacticMatches, 2 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 366 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=327, Invalid=1565, Unknown=0, NotChecked=0, Total=1892 [2020-09-24 20:09:28,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2020-09-24 20:09:28,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 640. [2020-09-24 20:09:28,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 640 states. [2020-09-24 20:09:28,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 736 transitions. [2020-09-24 20:09:28,916 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 736 transitions. Word has length 221 [2020-09-24 20:09:28,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:09:28,917 INFO L479 AbstractCegarLoop]: Abstraction has 640 states and 736 transitions. [2020-09-24 20:09:28,917 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-24 20:09:28,917 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 736 transitions. [2020-09-24 20:09:28,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-09-24 20:09:28,923 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:09:28,924 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:09:28,924 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 20:09:28,924 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:09:28,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:09:28,925 INFO L82 PathProgramCache]: Analyzing trace with hash 981259424, now seen corresponding path program 1 times [2020-09-24 20:09:28,925 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:09:28,925 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1856150306] [2020-09-24 20:09:28,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:09:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:29,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:29,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:30,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:33,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:33,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 329 [2020-09-24 20:09:33,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 20:09:33,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-09-24 20:09:33,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:33,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 20:09:33,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 20:09:33,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 212 [2020-09-24 20:09:33,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:34,306 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 20:09:34,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:09:34,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:34,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:34,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:34,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 20:09:34,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:34,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 244 [2020-09-24 20:09:34,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:34,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:09:34,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:34,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 20:09:34,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:34,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 20:09:34,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:34,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:34,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:34,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:09:34,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:34,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:09:34,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:34,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:09:34,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:34,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:09:34,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:34,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 20:09:34,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:34,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:34,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:34,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:09:34,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:34,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:09:34,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:34,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:09:34,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:34,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:09:34,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:34,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 20:09:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:34,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:34,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:34,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:09:34,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:34,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 20:09:34,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:34,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:09:34,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:34,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:09:34,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:34,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 20:09:34,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:34,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:34,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:34,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:09:34,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:34,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:09:34,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:34,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:09:34,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:34,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:09:34,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:34,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 20:09:34,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:34,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:34,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:34,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:09:34,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:34,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 20:09:34,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:34,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:09:34,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:34,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 20:09:34,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:34,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-24 20:09:34,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:34,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:34,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:35,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:35,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-09-24 20:09:35,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:09:35,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 387 [2020-09-24 20:09:35,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:35,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:09:35,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-09-24 20:09:35,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:09:35,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:35,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:09:35,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:35,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:35,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:35,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 20:09:35,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:35,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-09-24 20:09:35,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:35,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:09:35,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 20:09:35,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:09:35,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:35,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:09:35,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:35,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:35,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:35,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 20:09:35,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:35,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-09-24 20:09:35,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:35,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:09:35,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 20:09:35,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:09:35,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:35,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:09:35,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:35,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:35,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:35,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 20:09:35,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:35,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-24 20:09:35,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:35,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:09:35,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 20:09:35,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:09:35,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:35,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:09:35,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:35,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:35,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:35,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 20:09:35,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:35,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-24 20:09:35,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:35,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:09:35,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:35,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 20:09:35,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:35,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:09:35,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:35,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:35,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:35,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:09:35,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:35,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:09:35,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:35,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:09:35,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:35,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:09:35,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:35,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 20:09:35,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:35,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:35,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:35,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 20:09:35,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:35,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 20:09:35,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:35,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:09:35,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 20:09:35,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:09:35,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:35,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:09:35,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:35,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:35,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:35,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 20:09:35,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:35,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:09:35,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:35,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:09:35,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:35,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:09:35,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:35,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:09:35,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:35,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:35,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:35,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:09:35,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:35,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:09:35,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:35,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:09:35,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:35,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:09:35,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:35,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 20:09:35,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:35,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:35,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:35,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:09:35,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:35,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:09:35,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:35,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:09:35,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:35,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:09:35,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:35,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-09-24 20:09:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:35,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:35,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:35,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 20:09:35,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:35,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:09:35,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:35,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:09:35,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-24 20:09:35,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:09:35,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:35,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:09:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:35,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:35,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:35,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:09:35,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:35,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:09:35,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:35,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:09:35,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:35,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:09:35,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:35,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-09-24 20:09:35,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:35,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:35,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:35,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:09:35,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:35,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 20:09:35,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:35,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:09:35,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:35,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 20:09:35,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:09:35,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-09-24 20:09:35,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:35,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:35,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:35,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:09:35,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:35,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 20:09:35,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:35,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:09:35,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:09:35,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 20:09:35,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:35,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2020-09-24 20:09:35,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:35,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:35,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:35,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:09:35,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:35,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 20:09:35,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:35,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 20:09:35,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 20:09:35,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 20:09:35,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:35,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2020-09-24 20:09:35,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:35,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:35,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:35,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:09:35,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:35,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:09:35,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:35,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:09:35,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:09:35,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:09:35,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:35,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2020-09-24 20:09:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:09:35,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:09:35,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:09:35,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:09:35,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:09:35,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:09:35,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:09:35,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:09:35,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:09:35,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:09:35,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:09:36,102 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-09-24 20:09:36,103 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1856150306] [2020-09-24 20:09:36,104 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 20:09:36,104 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-24 20:09:36,104 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189733176] [2020-09-24 20:09:36,106 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 20:09:36,106 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:09:36,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 20:09:36,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2020-09-24 20:09:36,107 INFO L87 Difference]: Start difference. First operand 640 states and 736 transitions. Second operand 15 states. [2020-09-24 20:09:36,711 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 20:09:38,217 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:09:38,562 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 20:09:38,919 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 20:09:39,308 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:09:39,650 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:09:39,962 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189