/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 11:58:21,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 11:58:21,578 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 11:58:21,605 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 11:58:21,606 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 11:58:21,607 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 11:58:21,608 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 11:58:21,610 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 11:58:21,613 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 11:58:21,614 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 11:58:21,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 11:58:21,616 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 11:58:21,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 11:58:21,618 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 11:58:21,619 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 11:58:21,620 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 11:58:21,622 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 11:58:21,623 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 11:58:21,625 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 11:58:21,627 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 11:58:21,632 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 11:58:21,634 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 11:58:21,637 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 11:58:21,638 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 11:58:21,644 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 11:58:21,644 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 11:58:21,644 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 11:58:21,645 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 11:58:21,646 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 11:58:21,647 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 11:58:21,647 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 11:58:21,648 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 11:58:21,649 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 11:58:21,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 11:58:21,652 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 11:58:21,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 11:58:21,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 11:58:21,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 11:58:21,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 11:58:21,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 11:58:21,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 11:58:21,656 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 [2020-09-25 11:58:21,683 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 11:58:21,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 11:58:21,685 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 11:58:21,685 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 11:58:21,685 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 11:58:21,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 11:58:21,686 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 11:58:21,686 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 11:58:21,686 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 11:58:21,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 11:58:21,687 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 11:58:21,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 11:58:21,687 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 11:58:21,687 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 11:58:21,688 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 11:58:21,688 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 11:58:21,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 11:58:21,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 11:58:21,688 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 11:58:21,689 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 11:58:21,689 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 11:58:21,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 11:58:21,689 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 11:58:21,690 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 11:58:21,690 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 11:58:21,690 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 11:58:21,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 11:58:21,690 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 11:58:21,691 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 11:58:21,691 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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; [2020-09-25 11:58:22,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 11:58:22,194 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 11:58:22,198 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 11:58:22,200 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 11:58:22,202 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 11:58:22,203 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product45.cil.c [2020-09-25 11:58:22,292 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e495733b/ca86388a30354a6e85be61b8c60b0d54/FLAGfd681dacd [2020-09-25 11:58:22,912 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 11:58:22,913 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product45.cil.c [2020-09-25 11:58:22,929 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e495733b/ca86388a30354a6e85be61b8c60b0d54/FLAGfd681dacd [2020-09-25 11:58:23,167 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e495733b/ca86388a30354a6e85be61b8c60b0d54 [2020-09-25 11:58:23,179 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 11:58:23,185 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 11:58:23,186 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 11:58:23,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 11:58:23,191 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 11:58:23,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:58:23" (1/1) ... [2020-09-25 11:58:23,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7845d484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:58:23, skipping insertion in model container [2020-09-25 11:58:23,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:58:23" (1/1) ... [2020-09-25 11:58:23,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 11:58:23,284 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 11:58:23,831 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:58:23,847 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 11:58:23,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:58:23,983 INFO L208 MainTranslator]: Completed translation [2020-09-25 11:58:23,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:58:23 WrapperNode [2020-09-25 11:58:23,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 11:58:23,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 11:58:23,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 11:58:23,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 11:58:24,001 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:58:23" (1/1) ... [2020-09-25 11:58:24,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:58:23" (1/1) ... [2020-09-25 11:58:24,024 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:58:23" (1/1) ... [2020-09-25 11:58:24,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:58:23" (1/1) ... [2020-09-25 11:58:24,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:58:23" (1/1) ... [2020-09-25 11:58:24,071 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:58:23" (1/1) ... [2020-09-25 11:58:24,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:58:23" (1/1) ... [2020-09-25 11:58:24,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 11:58:24,087 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 11:58:24,087 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 11:58:24,087 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 11:58:24,088 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:58:23" (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 [2020-09-25 11:58:24,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 11:58:24,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 11:58:24,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 11:58:24,161 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 11:58:24,161 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 11:58:24,161 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 11:58:24,162 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 11:58:24,162 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 11:58:24,162 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 11:58:24,162 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 11:58:24,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 11:58:24,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 11:58:24,163 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 11:58:24,163 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 11:58:24,163 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 11:58:24,163 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 11:58:24,164 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 11:58:24,164 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 11:58:24,164 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 11:58:24,164 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 11:58:24,165 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 11:58:24,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 11:58:24,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 11:58:24,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 11:58:24,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 11:58:24,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 11:58:24,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 11:58:24,166 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 11:58:24,166 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 11:58:24,166 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 11:58:24,166 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 11:58:24,167 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 11:58:24,167 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-25 11:58:24,167 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 11:58:24,167 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 11:58:24,167 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 11:58:24,168 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 11:58:24,168 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 11:58:24,168 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 11:58:24,168 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 11:58:24,168 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 11:58:24,168 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 11:58:24,169 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 11:58:24,169 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 11:58:24,169 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 11:58:24,169 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 11:58:24,169 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 11:58:24,169 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 11:58:24,170 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 11:58:24,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 11:58:24,170 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 11:58:24,170 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 11:58:24,170 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 11:58:24,170 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 11:58:24,171 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 11:58:24,171 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 11:58:24,171 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 11:58:24,171 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 11:58:24,171 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 11:58:24,171 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 11:58:24,172 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 11:58:24,172 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 11:58:24,172 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 11:58:24,172 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 11:58:24,172 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 11:58:24,172 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 11:58:24,173 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 11:58:24,173 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 11:58:24,173 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 11:58:24,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 11:58:24,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 11:58:24,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 11:58:24,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 11:58:24,174 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 11:58:24,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 11:58:24,174 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 11:58:24,174 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 11:58:24,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 11:58:24,175 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 11:58:24,175 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 11:58:24,175 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 11:58:24,175 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 11:58:24,175 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 11:58:24,175 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 11:58:24,176 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 11:58:24,176 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 11:58:24,176 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 11:58:24,176 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 11:58:24,176 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-25 11:58:24,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 11:58:24,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 11:58:24,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 11:58:25,395 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 11:58:25,396 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 11:58:25,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:58:25 BoogieIcfgContainer [2020-09-25 11:58:25,409 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 11:58:25,410 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 11:58:25,410 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 11:58:25,416 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 11:58:25,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 11:58:23" (1/3) ... [2020-09-25 11:58:25,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8a0f948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:58:25, skipping insertion in model container [2020-09-25 11:58:25,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:58:23" (2/3) ... [2020-09-25 11:58:25,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8a0f948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:58:25, skipping insertion in model container [2020-09-25 11:58:25,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:58:25" (3/3) ... [2020-09-25 11:58:25,421 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product45.cil.c [2020-09-25 11:58:25,433 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 11:58:25,446 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 11:58:25,468 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 11:58:25,499 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 11:58:25,499 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 11:58:25,499 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 11:58:25,499 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 11:58:25,499 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 11:58:25,499 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 11:58:25,499 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 11:58:25,500 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 11:58:25,527 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states. [2020-09-25 11:58:25,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 11:58:25,545 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:58:25,547 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] [2020-09-25 11:58:25,548 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:58:25,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:58:25,555 INFO L82 PathProgramCache]: Analyzing trace with hash 2110022022, now seen corresponding path program 1 times [2020-09-25 11:58:25,566 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:58:25,567 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [293224766] [2020-09-25 11:58:25,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:58:25,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:26,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:26,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:26,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:27,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:28,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:31,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:31,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 11:58:31,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 11:58:31,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5045 [2020-09-25 11:58:31,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:31,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:31,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 11:58:31,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 11:58:31,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-25 11:58:31,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 11:58:31,685 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 11:58:31,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:58:31,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:31,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:32,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:32,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 11:58:32,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:32,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 298 [2020-09-25 11:58:32,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:32,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:32,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:58:32,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:58:32,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 11:58:32,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:58:32,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 11:58:32,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:32,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:32,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:32,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:58:32,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:32,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:58:32,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:32,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:32,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:58:32,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:58:32,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:58:32,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:58:32,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 11:58:32,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:32,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:32,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:32,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:58:32,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:32,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:58:32,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:32,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:32,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:58:32,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:58:32,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:58:32,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:58:32,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 11:58:32,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:32,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:32,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:32,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:58:32,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:32,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 11:58:32,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:32,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:32,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:58:32,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:58:32,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:58:32,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:58:32,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 11:58:32,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:32,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:32,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:32,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:58:32,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:32,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:58:32,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:32,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:32,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:58:32,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:58:32,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:58:32,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:58:32,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 11:58:32,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:32,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:32,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:32,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:58:32,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:32,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 11:58:32,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:32,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:32,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:58:32,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:58:32,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:58:32,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:58:32,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 11:58:32,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:32,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:32,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:32,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:58:32,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:32,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:58:32,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:32,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:32,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:58:32,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:58:32,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:58:32,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:58:32,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 11:58:32,301 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [293224766] [2020-09-25 11:58:32,304 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:58:32,304 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 11:58:32,305 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718516454] [2020-09-25 11:58:32,312 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 11:58:32,313 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:58:32,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 11:58:32,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 11:58:32,334 INFO L87 Difference]: Start difference. First operand 310 states. Second operand 8 states. [2020-09-25 11:58:32,939 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:58:33,904 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:58:34,443 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 11:58:34,786 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:58:35,166 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:58:35,484 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:58:36,107 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:58:36,444 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:58:37,087 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:58:38,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:58:38,747 INFO L93 Difference]: Finished difference Result 658 states and 804 transitions. [2020-09-25 11:58:38,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 11:58:38,749 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-25 11:58:38,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:58:38,775 INFO L225 Difference]: With dead ends: 658 [2020-09-25 11:58:38,775 INFO L226 Difference]: Without dead ends: 442 [2020-09-25 11:58:38,783 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-09-25 11:58:38,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2020-09-25 11:58:38,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 383. [2020-09-25 11:58:38,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2020-09-25 11:58:38,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 427 transitions. [2020-09-25 11:58:38,993 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 427 transitions. Word has length 142 [2020-09-25 11:58:38,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:58:38,994 INFO L479 AbstractCegarLoop]: Abstraction has 383 states and 427 transitions. [2020-09-25 11:58:38,995 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 11:58:38,995 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 427 transitions. [2020-09-25 11:58:39,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-09-25 11:58:39,014 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:58:39,014 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:58:39,016 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 11:58:39,016 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:58:39,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:58:39,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1328910528, now seen corresponding path program 1 times [2020-09-25 11:58:39,017 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:58:39,017 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [236070071] [2020-09-25 11:58:39,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:58:39,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:39,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:39,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:39,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:43,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:43,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-09-25 11:58:43,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 11:58:43,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4034 [2020-09-25 11:58:43,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:43,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:43,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:58:43,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 11:58:43,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 11:58:43,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:58:43,373 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 11:58:43,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:58:43,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:43,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:43,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:43,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 11:58:43,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:43,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 230 [2020-09-25 11:58:43,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:43,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:43,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:58:43,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:58:43,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 11:58:43,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:58:43,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 11:58:43,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:43,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:43,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:43,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:58:43,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:43,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:58:43,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:43,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:43,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:58:43,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:58:43,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:58:43,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:58:43,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 11:58:43,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:43,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:43,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:43,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:58:43,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:43,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:58:43,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:43,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:43,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:58:43,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:58:43,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:58:43,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:58:43,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 11:58:43,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:43,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:43,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:43,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:58:43,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:43,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:58:43,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:43,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:43,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:58:43,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:58:43,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:58:43,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:58:43,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 11:58:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:43,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:43,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:43,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:58:43,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:43,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:58:43,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:43,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:43,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:58:43,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:58:43,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:58:43,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:58:43,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 11:58:43,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:43,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:43,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:43,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:58:43,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:43,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:58:43,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:43,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:43,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:58:43,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:58:43,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 11:58:43,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:58:43,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 11:58:43,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:43,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:43,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:43,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:58:43,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:43,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:58:43,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:43,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:43,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:58:43,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:58:43,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:58:43,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:58:43,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-09-25 11:58:43,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:43,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:43,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:43,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:58:43,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:43,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:58:43,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:43,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:43,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:58:43,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:58:43,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:58:43,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:58:43,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 11:58:43,817 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [236070071] [2020-09-25 11:58:43,818 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:58:43,818 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 11:58:43,818 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983846210] [2020-09-25 11:58:43,821 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 11:58:43,822 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:58:43,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 11:58:43,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 11:58:43,823 INFO L87 Difference]: Start difference. First operand 383 states and 427 transitions. Second operand 5 states. [2020-09-25 11:58:44,386 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:58:45,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:58:45,560 INFO L93 Difference]: Finished difference Result 734 states and 861 transitions. [2020-09-25 11:58:45,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 11:58:45,561 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 157 [2020-09-25 11:58:45,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:58:45,576 INFO L225 Difference]: With dead ends: 734 [2020-09-25 11:58:45,576 INFO L226 Difference]: Without dead ends: 461 [2020-09-25 11:58:45,581 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 11:58:45,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2020-09-25 11:58:45,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 383. [2020-09-25 11:58:45,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2020-09-25 11:58:45,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 425 transitions. [2020-09-25 11:58:45,674 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 425 transitions. Word has length 157 [2020-09-25 11:58:45,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:58:45,675 INFO L479 AbstractCegarLoop]: Abstraction has 383 states and 425 transitions. [2020-09-25 11:58:45,675 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 11:58:45,675 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 425 transitions. [2020-09-25 11:58:45,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-09-25 11:58:45,678 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:58:45,678 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:58:45,679 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 11:58:45,679 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:58:45,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:58:45,679 INFO L82 PathProgramCache]: Analyzing trace with hash 566137232, now seen corresponding path program 1 times [2020-09-25 11:58:45,680 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:58:45,680 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1292469052] [2020-09-25 11:58:45,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:58:45,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:45,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:46,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:46,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:47,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:47,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:47,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:50,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:50,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-09-25 11:58:50,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 11:58:50,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5044 [2020-09-25 11:58:50,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:50,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:50,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-25 11:58:50,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 11:58:50,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-09-25 11:58:50,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:58:51,190 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 11:58:51,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:58:51,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:51,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:51,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:51,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 11:58:51,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:51,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 248 [2020-09-25 11:58:51,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:51,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:51,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:58:51,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:58:51,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 11:58:51,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:58:51,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 11:58:51,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:51,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:51,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:51,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:58:51,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:51,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:58:51,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:51,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:51,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:58:51,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:58:51,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:58:51,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:58:51,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 11:58:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:51,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:51,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:51,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:58:51,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:51,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:58:51,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:51,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:51,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:58:51,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:58:51,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:58:51,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:58:51,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 11:58:51,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:51,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:51,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:51,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:58:51,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:51,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 11:58:51,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:51,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:51,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:58:51,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:58:51,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:58:51,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:58:51,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 11:58:51,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:51,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:51,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:51,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:58:51,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:51,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:58:51,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:51,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:51,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:58:51,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:58:51,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:58:51,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:58:51,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 11:58:51,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:51,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:51,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:51,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:58:51,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:51,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 11:58:51,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:51,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:51,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:58:51,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:58:51,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 11:58:51,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:58:51,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 11:58:51,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:51,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:51,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:51,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:51,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:51,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:51,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 11:58:51,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 11:58:51,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-25 11:58:51,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:51,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:51,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 11:58:51,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 11:58:51,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 11:58:51,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:58:51,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:58:51,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:51,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:51,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:51,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 11:58:51,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:51,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 11:58:51,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:51,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:51,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:58:51,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 11:58:51,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 11:58:51,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:58:51,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:58:51,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:51,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:51,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:51,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:58:51,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:51,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:58:51,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:51,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:51,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:58:51,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:58:51,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:58:51,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:58:51,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 11:58:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:51,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:51,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:51,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:58:51,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:51,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:58:51,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:51,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:51,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:58:51,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:58:51,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:58:51,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:58:51,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-09-25 11:58:51,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:51,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:51,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:51,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:58:51,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:51,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 11:58:51,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:51,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:51,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:58:51,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:58:51,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:58:51,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:58:51,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 11:58:51,830 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1292469052] [2020-09-25 11:58:51,831 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:58:51,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 11:58:51,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106400183] [2020-09-25 11:58:51,833 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 11:58:51,833 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:58:51,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 11:58:51,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-09-25 11:58:51,834 INFO L87 Difference]: Start difference. First operand 383 states and 425 transitions. Second operand 11 states. [2020-09-25 11:58:52,429 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:58:54,209 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:58:54,521 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:58:54,892 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:58:55,204 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:58:56,446 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:58:56,801 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:58:57,152 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:58:57,518 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 11:58:57,867 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:58:58,425 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:58:58,796 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:58:59,231 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:58:59,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:58:59,912 INFO L93 Difference]: Finished difference Result 1063 states and 1295 transitions. [2020-09-25 11:58:59,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-25 11:58:59,916 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 170 [2020-09-25 11:58:59,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:58:59,925 INFO L225 Difference]: With dead ends: 1063 [2020-09-25 11:58:59,925 INFO L226 Difference]: Without dead ends: 790 [2020-09-25 11:58:59,928 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=211, Invalid=719, Unknown=0, NotChecked=0, Total=930 [2020-09-25 11:58:59,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2020-09-25 11:59:00,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 610. [2020-09-25 11:59:00,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 610 states. [2020-09-25 11:59:00,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 678 transitions. [2020-09-25 11:59:00,027 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 678 transitions. Word has length 170 [2020-09-25 11:59:00,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:59:00,028 INFO L479 AbstractCegarLoop]: Abstraction has 610 states and 678 transitions. [2020-09-25 11:59:00,028 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 11:59:00,028 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 678 transitions. [2020-09-25 11:59:00,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-25 11:59:00,032 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:59:00,032 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] [2020-09-25 11:59:00,032 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 11:59:00,033 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:59:00,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:59:00,033 INFO L82 PathProgramCache]: Analyzing trace with hash 473256955, now seen corresponding path program 1 times [2020-09-25 11:59:00,033 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:59:00,034 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1845795881] [2020-09-25 11:59:00,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:59:00,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:00,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:00,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:03,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:05,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:05,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-09-25 11:59:05,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 11:59:05,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-09-25 11:59:05,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:05,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:05,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 11:59:05,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-09-25 11:59:05,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 11:59:05,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:59:05,449 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 11:59:05,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:59:05,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:05,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:05,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:05,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 11:59:05,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:05,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-09-25 11:59:05,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:05,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:05,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:59:05,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:05,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:59:05,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:59:05,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 11:59:05,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:05,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:05,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:05,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:59:05,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:05,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:59:05,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:05,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:05,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:59:05,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:05,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:59:05,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:05,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 11:59:05,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:05,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:05,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:05,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:59:05,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:05,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:59:05,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:05,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:05,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:59:05,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:05,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:59:05,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:05,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 11:59:05,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:05,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:05,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:05,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:59:05,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:05,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:59:05,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:05,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:05,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:59:05,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:05,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:59:05,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:05,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 11:59:05,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:05,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:05,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:05,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:59:05,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:05,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:59:05,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:05,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:05,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:59:05,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:05,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:59:05,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:05,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 11:59:05,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:05,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:05,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:05,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:59:05,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:05,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:59:05,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:05,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:05,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:59:05,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:05,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 11:59:05,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:05,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 11:59:05,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:05,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:05,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:06,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:06,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 11:59:06,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:59:06,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 490 [2020-09-25 11:59:06,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:06,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:06,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 11:59:06,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-09-25 11:59:06,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-25 11:59:06,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:06,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:59:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:06,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:06,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:06,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:06,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 11:59:06,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:59:06,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 712 [2020-09-25 11:59:06,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:06,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:06,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 11:59:06,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:06,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-25 11:59:06,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:06,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:59:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:06,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:06,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:07,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:07,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 11:59:07,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:59:07,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-25 11:59:07,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:07,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:07,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:59:07,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 11:59:07,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:59:07,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:07,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 11:59:07,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:07,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:07,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:07,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:59:07,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:07,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 11:59:07,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:07,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:07,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:59:07,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:07,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:59:07,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:07,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 11:59:07,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:07,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:07,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:07,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 11:59:07,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:07,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-25 11:59:07,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:07,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:07,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 11:59:07,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:07,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 11:59:07,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:07,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 11:59:07,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:07,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:07,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:07,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 11:59:07,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:07,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 11:59:07,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:07,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:07,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 11:59:07,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:07,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-25 11:59:07,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:07,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 11:59:07,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:07,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:07,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:07,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:59:07,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:07,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 11:59:07,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:07,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:07,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:59:07,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:07,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 11:59:07,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:07,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 11:59:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:07,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:07,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:07,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:59:07,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:07,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:59:07,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:07,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:07,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:59:07,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:07,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:59:07,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:07,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-25 11:59:07,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:07,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:07,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:07,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:59:07,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:07,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:59:07,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:07,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:07,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:59:07,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:59:07,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:59:07,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:07,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-25 11:59:07,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:07,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:07,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:07,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:59:07,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:07,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:59:07,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:07,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:07,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:59:07,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:59:07,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:59:07,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:07,437 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 11:59:07,438 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1845795881] [2020-09-25 11:59:07,438 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 11:59:07,438 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-09-25 11:59:07,439 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985322015] [2020-09-25 11:59:07,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-25 11:59:07,440 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:59:07,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-25 11:59:07,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2020-09-25 11:59:07,440 INFO L87 Difference]: Start difference. First operand 610 states and 678 transitions. Second operand 19 states. [2020-09-25 11:59:07,934 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:59:09,127 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:59:09,722 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:59:10,066 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:59:10,437 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:59:10,806 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:59:11,162 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:59:11,491 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:59:11,814 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189