/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=0.4 --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_spec4_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 13:15:56,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 13:15:56,161 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 13:15:56,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 13:15:56,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 13:15:56,221 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 13:15:56,222 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 13:15:56,225 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 13:15:56,227 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 13:15:56,228 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 13:15:56,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 13:15:56,230 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 13:15:56,230 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 13:15:56,232 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 13:15:56,233 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 13:15:56,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 13:15:56,235 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 13:15:56,236 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 13:15:56,238 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 13:15:56,240 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 13:15:56,241 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 13:15:56,242 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 13:15:56,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 13:15:56,244 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 13:15:56,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 13:15:56,247 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 13:15:56,248 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 13:15:56,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 13:15:56,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 13:15:56,250 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 13:15:56,250 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 13:15:56,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 13:15:56,252 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 13:15:56,253 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 13:15:56,254 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 13:15:56,254 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 13:15:56,255 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 13:15:56,255 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 13:15:56,255 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 13:15:56,256 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 13:15:56,257 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 13:15:56,258 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 13:15:56,282 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 13:15:56,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 13:15:56,284 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 13:15:56,284 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 13:15:56,284 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 13:15:56,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 13:15:56,285 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 13:15:56,285 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 13:15:56,285 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 13:15:56,285 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 13:15:56,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 13:15:56,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 13:15:56,286 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 13:15:56,286 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 13:15:56,287 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 13:15:56,287 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 13:15:56,287 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 13:15:56,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 13:15:56,288 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 13:15:56,289 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 13:15:56,289 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 13:15:56,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:15:56,289 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 13:15:56,289 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 13:15:56,290 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 13:15:56,290 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 13:15:56,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 13:15:56,291 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 13:15:56,291 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 13:15:56,291 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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;log-additional-information=true; [2020-09-25 13:15:56,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 13:15:56,756 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 13:15:56,761 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 13:15:56,763 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 13:15:56,763 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 13:15:56,765 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_productSimulator.cil.c [2020-09-25 13:15:56,862 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2c8446254/1ad0432555274a72b80ec05790b84527/FLAG1fff3cb6d [2020-09-25 13:15:57,481 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 13:15:57,482 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_productSimulator.cil.c [2020-09-25 13:15:57,499 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2c8446254/1ad0432555274a72b80ec05790b84527/FLAG1fff3cb6d [2020-09-25 13:15:57,755 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2c8446254/1ad0432555274a72b80ec05790b84527 [2020-09-25 13:15:57,768 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 13:15:57,774 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 13:15:57,775 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 13:15:57,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 13:15:57,780 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 13:15:57,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:15:57" (1/1) ... [2020-09-25 13:15:57,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4207e6a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:15:57, skipping insertion in model container [2020-09-25 13:15:57,785 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:15:57" (1/1) ... [2020-09-25 13:15:57,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 13:15:57,858 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 13:15:58,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:15:58,465 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 13:15:58,566 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:15:58,622 INFO L208 MainTranslator]: Completed translation [2020-09-25 13:15:58,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:15:58 WrapperNode [2020-09-25 13:15:58,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 13:15:58,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 13:15:58,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 13:15:58,624 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 13:15:58,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:15:58" (1/1) ... [2020-09-25 13:15:58,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:15:58" (1/1) ... [2020-09-25 13:15:58,663 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:15:58" (1/1) ... [2020-09-25 13:15:58,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:15:58" (1/1) ... [2020-09-25 13:15:58,695 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:15:58" (1/1) ... [2020-09-25 13:15:58,706 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:15:58" (1/1) ... [2020-09-25 13:15:58,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:15:58" (1/1) ... [2020-09-25 13:15:58,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 13:15:58,721 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 13:15:58,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 13:15:58,721 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 13:15:58,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:15:58" (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 13:15:58,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 13:15:58,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 13:15:58,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 13:15:58,800 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 13:15:58,800 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 13:15:58,800 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 13:15:58,801 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 13:15:58,801 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 13:15:58,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 13:15:58,801 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 13:15:58,801 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__highWaterSensor [2020-09-25 13:15:58,802 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__highWaterSensor [2020-09-25 13:15:58,802 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__lowWaterSensor [2020-09-25 13:15:58,802 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__lowWaterSensor [2020-09-25 13:15:58,802 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__methaneAlarm [2020-09-25 13:15:58,802 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__methaneAlarm [2020-09-25 13:15:58,803 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 13:15:58,803 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__before__methaneQuery [2020-09-25 13:15:58,803 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__role__methaneQuery [2020-09-25 13:15:58,807 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 13:15:58,807 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 13:15:58,807 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 13:15:58,807 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 13:15:58,807 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 13:15:58,808 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 13:15:58,808 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 13:15:58,808 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 13:15:58,808 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 13:15:58,808 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 13:15:58,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 13:15:58,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 13:15:58,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 13:15:58,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 13:15:58,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 13:15:58,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 13:15:58,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 13:15:58,810 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 13:15:58,810 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 13:15:58,810 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 13:15:58,810 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 13:15:58,810 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 13:15:58,810 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 13:15:58,811 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 13:15:58,811 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 13:15:58,811 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 13:15:58,811 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 13:15:58,811 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 13:15:58,811 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 13:15:58,812 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 13:15:58,812 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 13:15:58,812 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 13:15:58,812 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 13:15:58,812 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 13:15:58,813 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 13:15:58,813 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 13:15:58,813 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 13:15:58,813 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 13:15:58,813 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 13:15:58,813 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 13:15:58,813 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 13:15:58,814 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 13:15:58,814 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 13:15:58,814 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 13:15:58,814 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 13:15:58,814 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 13:15:58,814 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 13:15:58,815 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 13:15:58,815 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 13:15:58,815 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 13:15:58,815 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 13:15:58,815 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 13:15:58,815 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 13:15:58,816 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 13:15:58,816 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 13:15:58,816 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 13:15:58,816 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 13:15:58,816 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 13:15:58,816 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 13:15:58,817 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__highWaterSensor [2020-09-25 13:15:58,817 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 13:15:58,817 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__highWaterSensor [2020-09-25 13:15:58,817 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__lowWaterSensor [2020-09-25 13:15:58,817 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 13:15:58,817 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__lowWaterSensor [2020-09-25 13:15:58,818 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__methaneAlarm [2020-09-25 13:15:58,818 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 13:15:58,818 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__methaneAlarm [2020-09-25 13:15:58,818 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__before__methaneQuery [2020-09-25 13:15:58,818 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__role__methaneQuery [2020-09-25 13:15:58,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 13:15:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 13:15:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 13:15:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 13:15:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 13:15:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 13:15:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 13:15:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 13:15:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 13:15:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 13:15:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 13:15:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 13:15:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 13:15:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 13:15:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 13:15:58,821 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 13:15:58,821 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 13:15:58,821 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 13:15:58,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 13:15:58,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 13:15:58,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 13:16:00,045 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 13:16:00,046 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 13:16:00,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:16:00 BoogieIcfgContainer [2020-09-25 13:16:00,056 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 13:16:00,057 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 13:16:00,057 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 13:16:00,061 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 13:16:00,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:15:57" (1/3) ... [2020-09-25 13:16:00,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@487822df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:16:00, skipping insertion in model container [2020-09-25 13:16:00,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:15:58" (2/3) ... [2020-09-25 13:16:00,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@487822df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:16:00, skipping insertion in model container [2020-09-25 13:16:00,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:16:00" (3/3) ... [2020-09-25 13:16:00,066 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_productSimulator.cil.c [2020-09-25 13:16:00,079 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 13:16:00,091 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 13:16:00,117 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 13:16:00,158 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 13:16:00,158 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 13:16:00,158 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 13:16:00,158 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 13:16:00,159 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 13:16:00,159 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 13:16:00,159 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 13:16:00,159 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 13:16:00,194 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states. [2020-09-25 13:16:00,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-09-25 13:16:00,216 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:16:00,217 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:16:00,218 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:16:00,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:16:00,226 INFO L82 PathProgramCache]: Analyzing trace with hash 1119932632, now seen corresponding path program 1 times [2020-09-25 13:16:00,237 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:16:00,238 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1198511848] [2020-09-25 13:16:00,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:16:00,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:00,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:01,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:02,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:04,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:05,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:05,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-09-25 13:16:05,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 13:16:05,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 13:16:05,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:05,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:05,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 13:16:05,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-09-25 13:16:05,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 147 [2020-09-25 13:16:05,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 13:16:06,209 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 13:16:06,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:16:06,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:06,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:06,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:06,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 13:16:06,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:06,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 377 [2020-09-25 13:16:06,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:06,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:06,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:16:06,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:06,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-09-25 13:16:06,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:06,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-25 13:16:06,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:06,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:06,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:06,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:16:06,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:06,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 13:16:06,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:06,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:06,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:16:06,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:06,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:16:06,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:06,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-25 13:16:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:06,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:06,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:06,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 13:16:06,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:06,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-09-25 13:16:06,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:06,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:06,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:16:06,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:06,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-25 13:16:06,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:06,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 13:16:06,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:06,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:06,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:06,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:16:06,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:06,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:16:06,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:06,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:06,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:06,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:06,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:06,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 13:16:06,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 13:16:06,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:06,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:06,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:06,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:16:06,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:06,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 13:16:06,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:06,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:06,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:06,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:06,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:06,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:06,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 13:16:06,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:06,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:06,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:06,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:16:06,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:06,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:16:06,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:06,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:06,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:06,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:06,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:06,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:06,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 13:16:06,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:06,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:06,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:06,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:16:06,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:06,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:16:06,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:06,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:06,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:06,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:06,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:06,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 13:16:06,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-25 13:16:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:06,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:06,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:07,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:16:07,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:07,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:16:07,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:07,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:07,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:07,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:07,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:07,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:07,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-25 13:16:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:07,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:07,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:07,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:16:07,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:07,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:16:07,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:07,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:07,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:07,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:07,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:07,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:07,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 13:16:07,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:07,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:07,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:07,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:16:07,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:07,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:16:07,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:07,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:07,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:16:07,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:07,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:16:07,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:07,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 13:16:07,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:07,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:07,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:07,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:16:07,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:07,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:16:07,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:07,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:07,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:16:07,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:07,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:16:07,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:07,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-09-25 13:16:07,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:07,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:07,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:07,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:16:07,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:07,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:16:07,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:07,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:07,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:07,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:16:07,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:07,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:07,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-25 13:16:07,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:07,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:07,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:07,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:16:07,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:07,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:16:07,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:07,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:07,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:07,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:16:07,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:07,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:07,150 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-25 13:16:07,151 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1198511848] [2020-09-25 13:16:07,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:16:07,154 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 13:16:07,155 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132773433] [2020-09-25 13:16:07,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 13:16:07,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:16:07,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 13:16:07,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 13:16:07,186 INFO L87 Difference]: Start difference. First operand 420 states. Second operand 6 states. [2020-09-25 13:16:07,905 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-25 13:16:12,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:16:12,371 INFO L93 Difference]: Finished difference Result 937 states and 1145 transitions. [2020-09-25 13:16:12,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 13:16:12,373 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 224 [2020-09-25 13:16:12,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:16:12,413 INFO L225 Difference]: With dead ends: 937 [2020-09-25 13:16:12,413 INFO L226 Difference]: Without dead ends: 674 [2020-09-25 13:16:12,420 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 13:16:12,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2020-09-25 13:16:12,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 576. [2020-09-25 13:16:12,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 576 states. [2020-09-25 13:16:12,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 662 transitions. [2020-09-25 13:16:12,625 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 662 transitions. Word has length 224 [2020-09-25 13:16:12,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:16:12,627 INFO L479 AbstractCegarLoop]: Abstraction has 576 states and 662 transitions. [2020-09-25 13:16:12,627 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 13:16:12,627 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 662 transitions. [2020-09-25 13:16:12,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2020-09-25 13:16:12,634 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:16:12,640 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:16:12,640 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 13:16:12,641 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:16:12,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:16:12,641 INFO L82 PathProgramCache]: Analyzing trace with hash -596184480, now seen corresponding path program 1 times [2020-09-25 13:16:12,641 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:16:12,642 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [99493367] [2020-09-25 13:16:12,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:16:12,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:12,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:14,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:17,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:17,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 299 [2020-09-25 13:16:17,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:16:17,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 13:16:17,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:17,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:17,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 13:16:17,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-09-25 13:16:17,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 194 [2020-09-25 13:16:17,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:18,141 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 13:16:18,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:16:18,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:18,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:18,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:18,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 13:16:18,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:18,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 306 [2020-09-25 13:16:18,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:18,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:18,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:16:18,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:18,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-25 13:16:18,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:18,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-25 13:16:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:18,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:18,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:18,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:16:18,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:18,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 13:16:18,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:18,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:18,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:16:18,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:18,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:16:18,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 13:16:18,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-25 13:16:18,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:18,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:18,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:18,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 13:16:18,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:18,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-25 13:16:18,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:18,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:18,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:16:18,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:18,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-25 13:16:18,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:18,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 13:16:18,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:18,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:18,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:18,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:16:18,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:18,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:16:18,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:18,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:18,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:18,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:18,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:18,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:18,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 13:16:18,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:18,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:18,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:18,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:16:18,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:18,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:16:18,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:18,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:18,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:18,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:18,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:18,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:18,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 13:16:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:18,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:18,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:18,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:16:18,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:18,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:16:18,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:18,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:18,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:18,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:18,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:18,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:18,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 13:16:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:18,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:18,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:18,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:16:18,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:18,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:16:18,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:18,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:18,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:18,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:18,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:18,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:18,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-25 13:16:18,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:18,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:18,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:18,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:16:18,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:18,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:16:18,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:18,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:18,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:18,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:18,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:18,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 13:16:18,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-25 13:16:18,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:18,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:18,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:18,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:16:18,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:18,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:16:18,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:18,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:18,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:18,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:18,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:18,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:18,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 13:16:18,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:18,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:18,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:18,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:16:18,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:18,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:16:18,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:18,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:18,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:16:18,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:18,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:16:18,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:18,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 13:16:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:18,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:18,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:18,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:16:18,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:18,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:16:18,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:18,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:18,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:16:18,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:18,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:16:18,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:18,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-09-25 13:16:18,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:18,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:18,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:18,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 13:16:18,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:18,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 13:16:18,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:18,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:18,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:16:18,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:18,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 13:16:18,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:18,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 13:16:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:18,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:18,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:18,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 13:16:18,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:18,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:16:18,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:18,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:18,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:18,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:18,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:18,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:18,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 13:16:18,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:18,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:18,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:18,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:16:18,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:18,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:16:18,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:18,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:18,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:18,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:18,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:18,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:18,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 13:16:18,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:18,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:18,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:18,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:16:18,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:18,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:16:18,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:18,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:18,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:18,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:18,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:18,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:18,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-09-25 13:16:18,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:18,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:18,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:18,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:16:18,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:18,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 13:16:18,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:18,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:18,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:16:18,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:18,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:16:18,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:18,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2020-09-25 13:16:18,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:18,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:18,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:18,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:16:18,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:18,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:16:18,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:18,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:18,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:18,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:16:18,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:18,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:19,063 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-25 13:16:19,064 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [99493367] [2020-09-25 13:16:19,064 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:16:19,064 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-25 13:16:19,064 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213430814] [2020-09-25 13:16:19,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 13:16:19,067 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:16:19,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 13:16:19,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-25 13:16:19,068 INFO L87 Difference]: Start difference. First operand 576 states and 662 transitions. Second operand 12 states. [2020-09-25 13:16:19,768 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-25 13:16:22,591 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 13:16:23,020 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-25 13:16:23,579 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-25 13:16:23,985 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-25 13:16:24,350 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-25 13:16:24,721 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 13:16:25,083 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-25 13:16:25,774 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 13:16:29,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:16:29,593 INFO L93 Difference]: Finished difference Result 1677 states and 2224 transitions. [2020-09-25 13:16:29,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-25 13:16:29,594 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 250 [2020-09-25 13:16:29,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:16:29,606 INFO L225 Difference]: With dead ends: 1677 [2020-09-25 13:16:29,606 INFO L226 Difference]: Without dead ends: 1253 [2020-09-25 13:16:29,612 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=232, Invalid=580, Unknown=0, NotChecked=0, Total=812 [2020-09-25 13:16:29,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1253 states. [2020-09-25 13:16:29,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1253 to 1017. [2020-09-25 13:16:29,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1017 states. [2020-09-25 13:16:29,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1017 states to 1017 states and 1240 transitions. [2020-09-25 13:16:29,850 INFO L78 Accepts]: Start accepts. Automaton has 1017 states and 1240 transitions. Word has length 250 [2020-09-25 13:16:29,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:16:29,853 INFO L479 AbstractCegarLoop]: Abstraction has 1017 states and 1240 transitions. [2020-09-25 13:16:29,853 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-25 13:16:29,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1017 states and 1240 transitions. [2020-09-25 13:16:29,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-09-25 13:16:29,863 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:16:29,863 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:16:29,864 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 13:16:29,864 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:16:29,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:16:29,864 INFO L82 PathProgramCache]: Analyzing trace with hash -1314452559, now seen corresponding path program 1 times [2020-09-25 13:16:29,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:16:29,865 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [588360646] [2020-09-25 13:16:29,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:16:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:30,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:30,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:33,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:34,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:34,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 298 [2020-09-25 13:16:34,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 13:16:34,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 13:16:34,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:34,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:34,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 13:16:34,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-09-25 13:16:34,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-09-25 13:16:34,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:16:35,379 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 13:16:35,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:16:35,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:35,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:35,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:35,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 13:16:35,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:35,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 340 [2020-09-25 13:16:35,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:35,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:35,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:16:35,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:35,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-09-25 13:16:35,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:35,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-25 13:16:35,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:35,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:35,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:35,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:16:35,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:35,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:16:35,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:35,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:35,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:16:35,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:35,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:16:35,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:16:35,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-25 13:16:35,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:35,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:35,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:35,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 13:16:35,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:35,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-25 13:16:35,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:35,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:35,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:16:35,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:35,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-25 13:16:35,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:35,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 13:16:35,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:35,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:35,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:35,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:16:35,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:35,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:16:35,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:35,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:35,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:35,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:35,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:35,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:35,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 13:16:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:35,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:35,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:35,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:16:35,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:35,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:16:35,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:35,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:35,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:35,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:35,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:35,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:35,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 13:16:35,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:35,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:35,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:35,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:16:35,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:35,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:16:35,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:35,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:35,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:35,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:35,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:35,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:35,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 13:16:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:35,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:35,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:35,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:16:35,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:35,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:16:35,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:35,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:35,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:35,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:35,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:35,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:35,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-25 13:16:35,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:35,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:35,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:35,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:16:35,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:35,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:16:35,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:35,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:35,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:35,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:35,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:36,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:36,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-25 13:16:36,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:36,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:36,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:36,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:16:36,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:36,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:16:36,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:36,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:36,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:36,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:36,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:36,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:36,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 13:16:36,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:36,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:36,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:36,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:16:36,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:36,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:16:36,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:36,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:36,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:16:36,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:36,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:16:36,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:36,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 13:16:36,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:36,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:36,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:36,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:16:36,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:36,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:16:36,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:36,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:36,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:16:36,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:36,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:16:36,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:36,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-25 13:16:36,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:36,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:36,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:36,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:16:36,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:36,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:16:36,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:36,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:36,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:36,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 13:16:36,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:36,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:36,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-25 13:16:36,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:36,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:36,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:36,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 13:16:36,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:36,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:16:36,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:36,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:36,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:36,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-25 13:16:36,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:36,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:36,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 13:16:36,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:36,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:36,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:36,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 13:16:36,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:36,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:16:36,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:36,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:36,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:36,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:36,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:36,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:36,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 13:16:36,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:36,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:36,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:36,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:16:36,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:36,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:16:36,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:36,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:36,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:36,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:36,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:36,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:36,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 13:16:36,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:36,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:36,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:36,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:16:36,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:36,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:16:36,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:36,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:36,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:36,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:36,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:36,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 13:16:36,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-09-25 13:16:36,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:36,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:36,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:36,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:16:36,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:36,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:16:36,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:36,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:36,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:36,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:16:36,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:36,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:36,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-09-25 13:16:36,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:36,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:36,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:36,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:16:36,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:36,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:16:36,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:36,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:36,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:36,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:16:36,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:36,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:36,259 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-25 13:16:36,260 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [588360646] [2020-09-25 13:16:36,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:16:36,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 13:16:36,261 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603664991] [2020-09-25 13:16:36,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 13:16:36,262 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:16:36,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 13:16:36,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-25 13:16:36,263 INFO L87 Difference]: Start difference. First operand 1017 states and 1240 transitions. Second operand 8 states. [2020-09-25 13:16:36,995 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-25 13:16:42,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:16:42,441 INFO L93 Difference]: Finished difference Result 2627 states and 3799 transitions. [2020-09-25 13:16:42,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-25 13:16:42,442 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 245 [2020-09-25 13:16:42,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:16:42,457 INFO L225 Difference]: With dead ends: 2627 [2020-09-25 13:16:42,457 INFO L226 Difference]: Without dead ends: 1762 [2020-09-25 13:16:42,462 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=157, Invalid=349, Unknown=0, NotChecked=0, Total=506 [2020-09-25 13:16:42,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1762 states. [2020-09-25 13:16:42,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1762 to 1391. [2020-09-25 13:16:42,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1391 states. [2020-09-25 13:16:42,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1391 states and 1820 transitions. [2020-09-25 13:16:42,718 INFO L78 Accepts]: Start accepts. Automaton has 1391 states and 1820 transitions. Word has length 245 [2020-09-25 13:16:42,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:16:42,719 INFO L479 AbstractCegarLoop]: Abstraction has 1391 states and 1820 transitions. [2020-09-25 13:16:42,719 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 13:16:42,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 1820 transitions. [2020-09-25 13:16:42,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2020-09-25 13:16:42,729 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:16:42,730 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:16:42,730 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 13:16:42,730 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:16:42,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:16:42,731 INFO L82 PathProgramCache]: Analyzing trace with hash 895477176, now seen corresponding path program 1 times [2020-09-25 13:16:42,731 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:16:42,732 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1680557708] [2020-09-25 13:16:42,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:16:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:42,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:43,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:43,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking...