/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_spec2_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 12:01:31,690 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 12:01:31,694 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 12:01:31,744 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 12:01:31,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 12:01:31,754 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 12:01:31,757 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 12:01:31,760 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 12:01:31,763 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 12:01:31,767 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 12:01:31,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 12:01:31,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 12:01:31,769 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 12:01:31,772 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 12:01:31,775 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 12:01:31,777 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 12:01:31,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 12:01:31,779 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 12:01:31,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 12:01:31,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 12:01:31,792 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 12:01:31,794 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 12:01:31,795 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 12:01:31,796 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 12:01:31,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 12:01:31,801 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 12:01:31,802 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 12:01:31,805 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 12:01:31,806 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 12:01:31,808 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 12:01:31,808 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 12:01:31,809 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 12:01:31,810 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 12:01:31,811 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 12:01:31,812 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 12:01:31,812 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 12:01:31,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 12:01:31,813 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 12:01:31,813 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 12:01:31,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 12:01:31,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 12:01:31,817 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 12:01:31,866 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 12:01:31,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 12:01:31,868 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 12:01:31,869 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 12:01:31,869 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 12:01:31,869 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 12:01:31,870 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 12:01:31,870 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 12:01:31,870 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 12:01:31,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 12:01:31,871 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 12:01:31,872 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 12:01:31,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 12:01:31,872 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 12:01:31,872 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 12:01:31,873 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 12:01:31,873 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 12:01:31,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 12:01:31,873 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 12:01:31,874 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 12:01:31,874 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 12:01:31,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 12:01:31,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 12:01:31,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 12:01:31,875 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 12:01:31,875 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 12:01:31,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 12:01:31,875 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 12:01:31,875 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 12:01:31,875 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 12:01:32,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 12:01:32,348 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 12:01:32,353 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 12:01:32,355 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 12:01:32,355 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 12:01:32,357 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c [2020-09-25 12:01:32,441 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b4f73dea1/4902b09841074415aeaa1571b4e7cc95/FLAG0ece4725f [2020-09-25 12:01:32,989 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 12:01:32,990 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c [2020-09-25 12:01:33,005 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b4f73dea1/4902b09841074415aeaa1571b4e7cc95/FLAG0ece4725f [2020-09-25 12:01:33,258 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b4f73dea1/4902b09841074415aeaa1571b4e7cc95 [2020-09-25 12:01:33,270 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 12:01:33,277 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 12:01:33,281 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 12:01:33,281 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 12:01:33,285 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 12:01:33,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:01:33" (1/1) ... [2020-09-25 12:01:33,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:33, skipping insertion in model container [2020-09-25 12:01:33,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:01:33" (1/1) ... [2020-09-25 12:01:33,300 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 12:01:33,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 12:01:33,787 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:01:33,915 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 12:01:34,048 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:01:34,092 INFO L208 MainTranslator]: Completed translation [2020-09-25 12:01:34,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:34 WrapperNode [2020-09-25 12:01:34,093 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 12:01:34,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 12:01:34,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 12:01:34,095 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 12:01:34,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:34" (1/1) ... [2020-09-25 12:01:34,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:34" (1/1) ... [2020-09-25 12:01:34,132 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:34" (1/1) ... [2020-09-25 12:01:34,133 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:34" (1/1) ... [2020-09-25 12:01:34,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:34" (1/1) ... [2020-09-25 12:01:34,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:34" (1/1) ... [2020-09-25 12:01:34,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:34" (1/1) ... [2020-09-25 12:01:34,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 12:01:34,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 12:01:34,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 12:01:34,202 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 12:01:34,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:34" (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 12:01:34,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 12:01:34,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 12:01:34,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 12:01:34,280 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 12:01:34,280 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 12:01:34,280 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 12:01:34,280 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 12:01:34,280 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 12:01:34,281 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 12:01:34,281 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 12:01:34,281 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 12:01:34,281 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 12:01:34,281 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 12:01:34,282 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 12:01:34,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 12:01:34,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 12:01:34,282 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 12:01:34,282 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 12:01:34,283 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 12:01:34,283 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 12:01:34,283 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 12:01:34,283 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 12:01:34,283 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 12:01:34,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 12:01:34,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 12:01:34,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 12:01:34,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 12:01:34,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 12:01:34,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 12:01:34,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 12:01:34,285 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 12:01:34,285 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 12:01:34,285 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 12:01:34,285 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 12:01:34,285 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 12:01:34,286 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 12:01:34,286 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 12:01:34,286 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 12:01:34,286 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 12:01:34,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 12:01:34,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 12:01:34,287 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 12:01:34,287 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 12:01:34,287 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 12:01:34,287 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 12:01:34,287 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 12:01:34,288 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 12:01:34,288 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 12:01:34,288 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 12:01:34,288 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 12:01:34,288 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 12:01:34,289 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 12:01:34,289 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 12:01:34,289 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 12:01:34,289 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 12:01:34,289 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 12:01:34,289 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 12:01:34,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 12:01:34,290 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 12:01:34,290 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 12:01:34,290 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 12:01:34,290 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 12:01:34,290 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 12:01:34,291 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 12:01:34,291 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 12:01:34,291 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 12:01:34,291 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 12:01:34,291 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 12:01:34,291 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 12:01:34,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 12:01:34,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 12:01:34,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 12:01:34,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 12:01:34,292 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 12:01:34,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 12:01:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 12:01:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 12:01:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 12:01:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 12:01:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 12:01:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 12:01:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 12:01:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 12:01:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 12:01:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 12:01:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 12:01:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 12:01:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 12:01:34,295 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 12:01:34,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 12:01:34,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 12:01:34,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 12:01:35,440 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 12:01:35,440 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 12:01:35,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:01:35 BoogieIcfgContainer [2020-09-25 12:01:35,447 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 12:01:35,448 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 12:01:35,449 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 12:01:35,452 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 12:01:35,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:01:33" (1/3) ... [2020-09-25 12:01:35,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac42592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:01:35, skipping insertion in model container [2020-09-25 12:01:35,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:34" (2/3) ... [2020-09-25 12:01:35,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac42592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:01:35, skipping insertion in model container [2020-09-25 12:01:35,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:01:35" (3/3) ... [2020-09-25 12:01:35,456 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product37.cil.c [2020-09-25 12:01:35,468 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 12:01:35,479 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 12:01:35,502 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 12:01:35,539 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 12:01:35,539 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 12:01:35,539 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 12:01:35,540 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 12:01:35,540 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 12:01:35,540 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 12:01:35,540 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 12:01:35,540 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 12:01:35,573 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states. [2020-09-25 12:01:35,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 12:01:35,593 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:01:35,595 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:01:35,595 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:01:35,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:01:35,604 INFO L82 PathProgramCache]: Analyzing trace with hash -1187069653, now seen corresponding path program 1 times [2020-09-25 12:01:35,616 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:01:35,617 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [863951681] [2020-09-25 12:01:35,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:01:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:36,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:36,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:36,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:37,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:38,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:40,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:40,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 12:01:40,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 12:01:40,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 12:01:40,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:40,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:40,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:40,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 12:01:40,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-25 12:01:40,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 12:01:41,489 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:01:41,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:01:41,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:41,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:41,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:41,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:01:41,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:41,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 422 [2020-09-25 12:01:41,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:41,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:41,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:41,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:41,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 12:01:41,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:01:42,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:01:42,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:42,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:42,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:42,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:42,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:42,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 12:01:42,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:42,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:42,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:42,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:42,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:01:42,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:42,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:01:42,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:42,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:42,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:42,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:42,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:42,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:01:42,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:42,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:42,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:42,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:42,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:01:42,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:42,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:01:42,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:42,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:42,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:42,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:01:42,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:42,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 12:01:42,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:42,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:42,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:42,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:42,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:01:42,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:42,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:01:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:42,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:42,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:42,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:42,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:42,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:01:42,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:42,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:42,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:42,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:42,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:01:42,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:42,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:01:42,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:42,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:42,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:42,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:01:42,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:42,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:01:42,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:42,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:42,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:42,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:42,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:01:42,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:42,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 12:01:42,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:42,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:42,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:42,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:01:42,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:42,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 12:01:42,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:42,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:42,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:42,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:01:42,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:42,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 12:01:42,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 12:01:42,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:42,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:42,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:42,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:01:42,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:42,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:01:42,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:42,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:42,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:42,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:01:42,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:42,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:01:42,325 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 12:01:42,327 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [863951681] [2020-09-25 12:01:42,330 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:01:42,330 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 12:01:42,331 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580150260] [2020-09-25 12:01:42,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 12:01:42,344 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:01:42,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 12:01:42,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 12:01:42,381 INFO L87 Difference]: Start difference. First operand 310 states. Second operand 5 states. [2020-09-25 12:01:43,112 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:01:44,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:01:44,293 INFO L93 Difference]: Finished difference Result 480 states and 569 transitions. [2020-09-25 12:01:44,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 12:01:44,295 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-25 12:01:44,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:01:44,326 INFO L225 Difference]: With dead ends: 480 [2020-09-25 12:01:44,326 INFO L226 Difference]: Without dead ends: 306 [2020-09-25 12:01:44,333 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 12:01:44,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2020-09-25 12:01:44,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 259. [2020-09-25 12:01:44,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2020-09-25 12:01:44,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 281 transitions. [2020-09-25 12:01:44,476 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 281 transitions. Word has length 148 [2020-09-25 12:01:44,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:01:44,477 INFO L479 AbstractCegarLoop]: Abstraction has 259 states and 281 transitions. [2020-09-25 12:01:44,477 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 12:01:44,477 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 281 transitions. [2020-09-25 12:01:44,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-09-25 12:01:44,482 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:01:44,483 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] [2020-09-25 12:01:44,483 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 12:01:44,483 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:01:44,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:01:44,484 INFO L82 PathProgramCache]: Analyzing trace with hash 875705787, now seen corresponding path program 1 times [2020-09-25 12:01:44,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:01:44,484 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [127441473] [2020-09-25 12:01:44,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:01:44,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:44,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:44,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:45,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:45,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:48,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:49,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:49,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:49,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-09-25 12:01:49,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 12:01:49,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-09-25 12:01:49,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:49,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:49,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 12:01:49,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-09-25 12:01:49,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 12:01:49,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:49,897 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:01:49,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:01:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:49,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:49,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:49,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:01:49,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:49,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-09-25 12:01:49,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:49,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:49,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:49,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:49,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:50,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:50,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:01:50,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:50,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:50,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:50,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:50,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:50,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:01:50,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:50,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:50,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:50,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:50,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:50,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:50,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:01:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:50,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:50,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:50,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:50,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:50,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:01:50,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:50,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:50,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:50,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:50,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:50,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:50,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:01:50,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:50,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:50,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:50,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:01:50,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:50,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:01:50,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:50,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:50,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:50,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:50,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:50,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:50,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:01:50,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:50,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:50,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:50,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:50,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:50,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:01:50,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:50,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:50,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:50,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:50,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:50,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:50,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:01:50,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:50,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:50,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:50,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:01:50,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:50,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:01:50,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:50,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:50,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:50,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:50,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 12:01:50,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:50,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 12:01:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:50,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:50,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:50,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:50,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 12:01:50,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:01:50,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 12:01:50,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:50,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:50,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:50,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:50,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 12:01:50,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:50,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:01:50,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:50,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:50,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:50,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 12:01:50,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:50,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:01:50,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:50,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:50,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:50,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:50,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:50,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:50,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:01:50,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:50,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:50,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:50,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:50,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:50,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:01:50,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:50,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:50,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:50,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:50,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:50,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:50,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 12:01:50,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:50,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:50,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:50,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:01:50,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:50,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:01:50,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:50,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:50,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:50,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:50,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:01:50,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:50,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 12:01:50,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:50,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:50,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:50,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:01:50,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:50,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:01:50,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:50,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:50,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:50,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:50,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:01:50,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:50,165 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 12:01:50,166 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [127441473] [2020-09-25 12:01:50,166 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:01:50,166 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 12:01:50,166 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486866069] [2020-09-25 12:01:50,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 12:01:50,169 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:01:50,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 12:01:50,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 12:01:50,170 INFO L87 Difference]: Start difference. First operand 259 states and 281 transitions. Second operand 6 states. [2020-09-25 12:01:50,635 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:01:53,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:01:53,339 INFO L93 Difference]: Finished difference Result 578 states and 741 transitions. [2020-09-25 12:01:53,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 12:01:53,345 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2020-09-25 12:01:53,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:01:53,360 INFO L225 Difference]: With dead ends: 578 [2020-09-25 12:01:53,360 INFO L226 Difference]: Without dead ends: 575 [2020-09-25 12:01:53,362 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 12:01:53,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2020-09-25 12:01:53,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 403. [2020-09-25 12:01:53,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2020-09-25 12:01:53,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 453 transitions. [2020-09-25 12:01:53,522 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 453 transitions. Word has length 162 [2020-09-25 12:01:53,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:01:53,524 INFO L479 AbstractCegarLoop]: Abstraction has 403 states and 453 transitions. [2020-09-25 12:01:53,524 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 12:01:53,524 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 453 transitions. [2020-09-25 12:01:53,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2020-09-25 12:01:53,533 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:01:53,534 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:01:53,534 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 12:01:53,534 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:01:53,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:01:53,535 INFO L82 PathProgramCache]: Analyzing trace with hash -968580086, now seen corresponding path program 1 times [2020-09-25 12:01:53,535 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:01:53,535 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1241046943] [2020-09-25 12:01:53,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:01:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:53,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:53,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:53,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:53,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:54,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:54,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:55,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:55,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:57,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:58,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:58,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 314 [2020-09-25 12:01:58,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-09-25 12:01:58,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-09-25 12:01:58,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:58,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:58,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 12:01:58,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 12:01:58,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-25 12:01:58,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:01:58,933 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:01:58,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:01:58,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:58,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:59,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:59,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:01:59,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:59,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 215 [2020-09-25 12:01:59,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:59,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:59,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:59,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:59,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 12:01:59,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:59,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:01:59,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:59,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:59,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:59,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:59,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:59,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:01:59,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:59,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:59,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:59,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:59,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:01:59,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:01:59,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:01:59,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:59,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:59,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:59,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:59,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:59,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:01:59,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:59,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:59,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:59,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:59,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:01:59,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:01:59,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:01:59,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:59,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:59,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:59,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:01:59,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:59,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:01:59,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:59,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:59,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:59,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:59,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:01:59,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:59,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:01:59,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:59,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:59,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:59,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:59,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:59,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:01:59,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:59,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:59,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:59,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:59,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:01:59,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:59,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:01:59,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:59,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:59,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:59,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:01:59,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:59,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:01:59,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:59,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:59,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:59,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:59,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:01:59,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:59,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 12:01:59,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:59,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:59,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:59,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:59,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:59,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-09-25 12:01:59,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 12:01:59,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 183 [2020-09-25 12:01:59,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:59,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:59,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 12:01:59,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:01:59,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-25 12:01:59,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:59,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:01:59,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:59,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:59,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:59,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:59,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 12:01:59,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:01:59,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 12:01:59,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:59,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:59,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 12:01:59,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:01:59,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 12:01:59,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:59,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:01:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:59,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:59,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:59,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 12:01:59,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:59,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 12:01:59,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:59,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:59,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:01:59,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:01:59,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 12:01:59,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:59,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:01:59,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:59,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:59,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:59,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:59,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:59,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:01:59,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:59,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:59,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:59,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:59,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:01:59,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:01:59,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 12:01:59,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:59,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:59,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:59,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 12:01:59,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:59,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:01:59,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:59,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:59,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:59,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:59,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 12:01:59,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:59,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:01:59,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:59,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:59,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:59,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:01:59,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:59,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:01:59,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:59,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:59,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:59,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:59,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:59,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:59,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-09-25 12:01:59,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:59,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:59,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:59,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:59,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:00,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-25 12:02:00,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 12:02:00,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 466 [2020-09-25 12:02:00,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:00,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:00,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 12:02:00,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 12:02:00,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-25 12:02:00,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:00,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:02:00,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:00,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:00,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 12:02:00,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:02:00,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 12:02:00,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:00,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:00,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:02:00,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:00,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 12:02:00,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:00,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:02:00,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:00,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:00,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 12:02:00,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:02:00,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:02:00,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:00,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:00,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:02:00,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:02:00,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 12:02:00,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:00,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:02:00,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:00,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:00,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:02:00,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:00,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:02:00,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:00,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:00,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:02:00,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:00,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:02:00,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:00,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 12:02:00,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:00,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:00,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 12:02:00,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:00,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-25 12:02:00,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:00,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:00,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:02:00,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 12:02:00,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 12:02:00,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:02:00,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:02:00,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:00,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:00,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:02:00,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:00,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:02:00,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:00,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:00,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:02:00,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:00,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:02:00,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:00,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 12:02:00,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:00,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:00,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:02:00,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:00,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:02:00,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:00,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:00,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:02:00,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:00,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 12:02:00,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:00,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-09-25 12:02:00,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:00,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:00,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 12:02:00,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:02:00,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 12:02:00,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:00,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:00,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:02:00,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 12:02:00,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 12:02:00,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:02:00,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:02:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:00,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:00,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 12:02:00,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:00,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:02:00,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:00,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:00,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:02:00,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:02:00,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 12:02:00,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:00,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:02:00,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:00,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:00,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:02:00,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:00,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:02:00,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:00,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:00,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:02:00,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:00,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:02:00,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:00,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-25 12:02:00,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:00,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:00,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:02:00,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:00,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:02:00,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:00,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:00,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:02:00,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:02:00,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:02:00,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:00,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-09-25 12:02:00,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:00,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:00,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:02:00,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:00,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:02:00,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:00,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:00,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:02:00,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:02:00,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:02:00,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:00,585 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 38 proven. 18 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-09-25 12:02:00,586 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1241046943] [2020-09-25 12:02:00,586 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 12:02:00,586 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-25 12:02:00,587 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476356822] [2020-09-25 12:02:00,588 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-25 12:02:00,589 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:02:00,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-25 12:02:00,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-09-25 12:02:00,590 INFO L87 Difference]: Start difference. First operand 403 states and 453 transitions. Second operand 14 states. [2020-09-25 12:02:01,141 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:02:03,063 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-25 12:02:03,675 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:02:04,003 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:02:04,627 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-09-25 12:02:05,297 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 197 [2020-09-25 12:02:05,637 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:02:06,286 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-09-25 12:02:06,627 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:02:06,962 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:02:07,565 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 197 [2020-09-25 12:02:08,177 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-09-25 12:02:09,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:02:09,935 INFO L93 Difference]: Finished difference Result 903 states and 1138 transitions. [2020-09-25 12:02:09,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-09-25 12:02:09,936 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 249 [2020-09-25 12:02:09,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:02:09,941 INFO L225 Difference]: With dead ends: 903 [2020-09-25 12:02:09,941 INFO L226 Difference]: Without dead ends: 615 [2020-09-25 12:02:09,945 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 63 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=318, Invalid=1164, Unknown=0, NotChecked=0, Total=1482 [2020-09-25 12:02:09,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2020-09-25 12:02:10,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 495. [2020-09-25 12:02:10,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 495 states. [2020-09-25 12:02:10,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 552 transitions. [2020-09-25 12:02:10,032 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 552 transitions. Word has length 249 [2020-09-25 12:02:10,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:02:10,033 INFO L479 AbstractCegarLoop]: Abstraction has 495 states and 552 transitions. [2020-09-25 12:02:10,033 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-25 12:02:10,033 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 552 transitions. [2020-09-25 12:02:10,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-09-25 12:02:10,039 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:02:10,039 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:02:10,039 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 12:02:10,040 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:02:10,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:02:10,040 INFO L82 PathProgramCache]: Analyzing trace with hash -1560101421, now seen corresponding path program 1 times [2020-09-25 12:02:10,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:02:10,041 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1401890965] [2020-09-25 12:02:10,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:02:10,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:10,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:10,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:10,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:15,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:15,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 338 [2020-09-25 12:02:15,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 12:02:15,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 12:02:15,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:15,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:15,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 12:02:15,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 12:02:15,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 139 [2020-09-25 12:02:15,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:15,475 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:02:15,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:02:15,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:15,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:15,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:15,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:02:15,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:15,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 289 [2020-09-25 12:02:15,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:15,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:15,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:02:15,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:15,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 12:02:15,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:15,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:02:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:15,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:15,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:15,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:02:15,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:15,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:02:15,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:15,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:15,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:02:15,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:15,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:02:15,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:15,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:02:15,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:15,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:15,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:15,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:02:15,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:15,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:02:15,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:15,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:15,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:02:15,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:15,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:02:15,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:15,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:02:15,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:15,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:15,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:15,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:02:15,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:15,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:02:15,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:15,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:15,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:02:15,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:15,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:02:15,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:15,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:02:15,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:15,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:15,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:15,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:02:15,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:15,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:02:15,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:15,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:15,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:02:15,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:15,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:02:15,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:15,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:02:15,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:15,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:15,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:15,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:02:15,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:15,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:02:15,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:15,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:15,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:02:15,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:15,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:02:15,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:15,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 12:02:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:15,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:16,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:16,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:16,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-25 12:02:16,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:02:16,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 424 [2020-09-25 12:02:16,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:16,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:16,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:02:16,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-09-25 12:02:16,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-25 12:02:16,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:02:16,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:02:16,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:16,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:16,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:16,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:16,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 12:02:16,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:02:16,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-09-25 12:02:16,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:16,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:16,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:02:16,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 12:02:16,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:02:16,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:02:16,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:02:16,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:16,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:16,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:16,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 12:02:16,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:16,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-25 12:02:16,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:16,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:16,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:02:16,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 12:02:16,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:02:16,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:16,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:02:16,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:16,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:16,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:16,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 12:02:16,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:16,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 12:02:16,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:16,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:16,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:02:16,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:16,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 12:02:16,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:16,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 12:02:16,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:16,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:16,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:16,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:02:16,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:16,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:02:16,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:16,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:16,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:02:16,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:16,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:02:16,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:16,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 12:02:16,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:16,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:16,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:16,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:02:16,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:16,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:02:16,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:16,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:16,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:02:16,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 12:02:16,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:02:16,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:16,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-25 12:02:16,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:16,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:16,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:16,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 12:02:16,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:16,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-25 12:02:16,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:16,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:16,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:02:16,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:16,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 12:02:16,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:16,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:02:16,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:16,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:16,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:16,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:02:16,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:16,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:02:16,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:16,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:16,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:02:16,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:16,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 12:02:16,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:16,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 12:02:16,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:16,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:16,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:16,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:02:16,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:16,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:02:16,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:16,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:16,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:02:16,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:16,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:02:16,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:16,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-09-25 12:02:16,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:16,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:16,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:16,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:02:16,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:16,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:02:16,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:16,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:16,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:02:16,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 12:02:16,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:02:16,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:16,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-09-25 12:02:16,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:16,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:16,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:16,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 12:02:16,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:16,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 12:02:16,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:16,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:16,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:02:16,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-09-25 12:02:16,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:02:16,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:16,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:02:16,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:16,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:16,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:16,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 12:02:16,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:16,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:02:16,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:16,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:16,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:02:16,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:16,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:02:16,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:16,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 12:02:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:16,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:16,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:16,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:02:16,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:16,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:02:16,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:16,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:16,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:02:17,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:17,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:02:17,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:17,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-25 12:02:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:17,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:17,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:17,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 12:02:17,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:17,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:02:17,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:17,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:17,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:02:17,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:17,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:02:17,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:17,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:02:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:17,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:17,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:17,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:02:17,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:17,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:02:17,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:17,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:17,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:02:17,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:17,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:02:17,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:17,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-09-25 12:02:17,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:17,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:17,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:17,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:02:17,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:17,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:02:17,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:17,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:17,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:02:17,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:02:17,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:02:17,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:17,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2020-09-25 12:02:17,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:17,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:17,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:17,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:02:17,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:17,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:02:17,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:17,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:17,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:02:17,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:02:17,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:02:17,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:17,162 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 32 proven. 10 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-09-25 12:02:17,163 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1401890965] [2020-09-25 12:02:17,163 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 12:02:17,163 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-25 12:02:17,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498295250] [2020-09-25 12:02:17,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-25 12:02:17,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:02:17,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-25 12:02:17,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2020-09-25 12:02:17,166 INFO L87 Difference]: Start difference. First operand 495 states and 552 transitions. Second operand 18 states. [2020-09-25 12:02:17,738 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:02:19,180 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:02:19,784 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:02:20,127 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:02:20,476 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:02:20,862 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:02:21,289 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 197