/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=0.1 --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_spec5_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 09:56:08,224 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 09:56:08,228 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 09:56:08,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 09:56:08,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 09:56:08,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 09:56:08,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 09:56:08,263 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 09:56:08,265 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 09:56:08,266 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 09:56:08,268 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 09:56:08,269 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 09:56:08,269 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 09:56:08,271 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 09:56:08,272 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 09:56:08,273 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 09:56:08,274 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 09:56:08,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 09:56:08,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 09:56:08,280 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 09:56:08,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 09:56:08,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 09:56:08,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 09:56:08,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 09:56:08,289 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 09:56:08,289 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 09:56:08,290 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 09:56:08,291 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 09:56:08,291 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 09:56:08,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 09:56:08,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 09:56:08,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 09:56:08,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 09:56:08,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 09:56:08,298 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 09:56:08,298 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 09:56:08,299 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 09:56:08,299 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 09:56:08,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 09:56:08,300 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 09:56:08,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 09:56:08,305 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 09:56:08,353 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 09:56:08,353 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 09:56:08,366 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 09:56:08,366 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 09:56:08,366 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 09:56:08,367 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 09:56:08,367 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 09:56:08,367 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 09:56:08,367 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 09:56:08,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 09:56:08,367 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 09:56:08,368 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 09:56:08,369 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 09:56:08,369 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 09:56:08,369 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 09:56:08,369 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 09:56:08,369 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 09:56:08,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 09:56:08,370 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 09:56:08,370 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 09:56:08,371 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 09:56:08,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 09:56:08,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 09:56:08,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 09:56:08,371 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 09:56:08,372 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 09:56:08,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 09:56:08,372 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 09:56:08,372 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 09:56:08,372 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=0.1;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=0.1;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=0.1;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=0.1;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=0.1;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=0.1;log-additional-information=true; [2020-09-25 09:56:08,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 09:56:08,887 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 09:56:08,892 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 09:56:08,894 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 09:56:08,894 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 09:56:08,895 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c [2020-09-25 09:56:08,982 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5649a94cc/e93b83ee705f470e9f9ec5b7381d0b6c/FLAG819d4badd [2020-09-25 09:56:09,683 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 09:56:09,684 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c [2020-09-25 09:56:09,704 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5649a94cc/e93b83ee705f470e9f9ec5b7381d0b6c/FLAG819d4badd [2020-09-25 09:56:09,873 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5649a94cc/e93b83ee705f470e9f9ec5b7381d0b6c [2020-09-25 09:56:09,889 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 09:56:09,896 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 09:56:09,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 09:56:09,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 09:56:09,904 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 09:56:09,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:56:09" (1/1) ... [2020-09-25 09:56:09,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:56:09, skipping insertion in model container [2020-09-25 09:56:09,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:56:09" (1/1) ... [2020-09-25 09:56:09,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 09:56:10,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 09:56:10,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:56:10,592 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 09:56:10,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:56:10,724 INFO L208 MainTranslator]: Completed translation [2020-09-25 09:56:10,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:56:10 WrapperNode [2020-09-25 09:56:10,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 09:56:10,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 09:56:10,727 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 09:56:10,727 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 09:56:10,745 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:56:10" (1/1) ... [2020-09-25 09:56:10,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:56:10" (1/1) ... [2020-09-25 09:56:10,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:56:10" (1/1) ... [2020-09-25 09:56:10,767 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:56:10" (1/1) ... [2020-09-25 09:56:10,799 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:56:10" (1/1) ... [2020-09-25 09:56:10,812 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:56:10" (1/1) ... [2020-09-25 09:56:10,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:56:10" (1/1) ... [2020-09-25 09:56:10,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 09:56:10,826 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 09:56:10,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 09:56:10,826 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 09:56:10,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:56:10" (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 09:56:10,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 09:56:10,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 09:56:10,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 09:56:10,904 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 09:56:10,904 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 09:56:10,905 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 09:56:10,905 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 09:56:10,905 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 09:56:10,905 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 09:56:10,906 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 09:56:10,906 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 09:56:10,906 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 09:56:10,906 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 09:56:10,906 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 09:56:10,906 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 09:56:10,907 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 09:56:10,907 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 09:56:10,907 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 09:56:10,907 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 09:56:10,908 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 09:56:10,908 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 09:56:10,908 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 09:56:10,908 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 09:56:10,908 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 09:56:10,908 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 09:56:10,909 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 09:56:10,909 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 09:56:10,909 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 09:56:10,909 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 09:56:10,909 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 09:56:10,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 09:56:10,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 09:56:10,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 09:56:10,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 09:56:10,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 09:56:10,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 09:56:10,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 09:56:10,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 09:56:10,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 09:56:10,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 09:56:10,911 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 09:56:10,912 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 09:56:10,912 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 09:56:10,912 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 09:56:10,912 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 09:56:10,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 09:56:10,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 09:56:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 09:56:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 09:56:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 09:56:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 09:56:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 09:56:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 09:56:10,914 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 09:56:10,914 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 09:56:10,914 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 09:56:10,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 09:56:10,914 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 09:56:10,914 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 09:56:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 09:56:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 09:56:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 09:56:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 09:56:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 09:56:10,916 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 09:56:10,916 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 09:56:10,916 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 09:56:10,916 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 09:56:10,916 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 09:56:10,916 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 09:56:10,917 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 09:56:10,917 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 09:56:10,917 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 09:56:10,917 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 09:56:10,917 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 09:56:10,917 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 09:56:10,918 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 09:56:10,918 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 09:56:10,918 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 09:56:10,918 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 09:56:10,918 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 09:56:10,918 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 09:56:10,919 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 09:56:10,919 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 09:56:10,919 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 09:56:10,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 09:56:10,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 09:56:10,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 09:56:10,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 09:56:10,920 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 09:56:10,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 09:56:10,920 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 09:56:10,920 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 09:56:10,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 09:56:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 09:56:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 09:56:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 09:56:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 09:56:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 09:56:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 09:56:10,922 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 09:56:10,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 09:56:10,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 09:56:10,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 09:56:12,157 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 09:56:12,158 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 09:56:12,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:56:12 BoogieIcfgContainer [2020-09-25 09:56:12,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 09:56:12,167 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 09:56:12,167 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 09:56:12,172 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 09:56:12,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 09:56:09" (1/3) ... [2020-09-25 09:56:12,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd31818 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:56:12, skipping insertion in model container [2020-09-25 09:56:12,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:56:10" (2/3) ... [2020-09-25 09:56:12,174 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd31818 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:56:12, skipping insertion in model container [2020-09-25 09:56:12,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:56:12" (3/3) ... [2020-09-25 09:56:12,176 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product56.cil.c [2020-09-25 09:56:12,189 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 09:56:12,201 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 09:56:12,226 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 09:56:12,266 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 09:56:12,266 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 09:56:12,266 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 09:56:12,266 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 09:56:12,266 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 09:56:12,267 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 09:56:12,267 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 09:56:12,267 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 09:56:12,300 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states. [2020-09-25 09:56:12,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 09:56:12,323 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:56:12,325 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:56:12,326 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:56:12,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:56:12,335 INFO L82 PathProgramCache]: Analyzing trace with hash -36898584, now seen corresponding path program 1 times [2020-09-25 09:56:12,349 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:56:12,350 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1907164572] [2020-09-25 09:56:12,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:56:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:12,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:13,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:14,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:14,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:17,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:17,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:17,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 09:56:17,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 09:56:17,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5058 [2020-09-25 09:56:17,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:17,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:17,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 09:56:17,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 09:56:17,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-09-25 09:56:17,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 09:56:18,308 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:56:18,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:18,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:18,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:18,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:18,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:56:18,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:18,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 388 [2020-09-25 09:56:18,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:18,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:18,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:18,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:18,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 09:56:18,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:18,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:56:18,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:18,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:18,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:18,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:18,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:18,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:56:18,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:18,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:18,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:18,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:18,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:56:18,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:18,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:56:18,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:18,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:18,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:18,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:18,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:18,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:18,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:18,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:18,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:18,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:18,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:56:18,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:18,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:56:18,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:18,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:18,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:18,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:18,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:18,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 09:56:18,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:18,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:18,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:18,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:18,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:56:18,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:56:18,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:56:18,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:18,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:18,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:18,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:18,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:18,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:18,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:18,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:18,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:18,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:18,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:56:18,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:18,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:56:18,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:18,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:18,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:18,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:56:18,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:18,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:56:18,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:18,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:18,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:18,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:18,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:56:18,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:18,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 09:56:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:19,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:19,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:19,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 09:56:19,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:19,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 09:56:19,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:19,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:19,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:19,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:19,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 09:56:19,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:19,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:19,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:19,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:19,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:19,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:19,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:19,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:19,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:19,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:19,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:19,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:19,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 09:56:19,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 09:56:19,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:19,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:19,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:19,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:19,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:19,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 09:56:19,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:19,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:19,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:19,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:19,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:56:19,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 09:56:19,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 09:56:19,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:19,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:19,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:19,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:19,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:19,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 09:56:19,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:19,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:19,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:56:19,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:19,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:56:19,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:19,150 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 09:56:19,151 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1907164572] [2020-09-25 09:56:19,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:56:19,153 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 09:56:19,154 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397503677] [2020-09-25 09:56:19,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 09:56:19,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:56:19,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 09:56:19,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 09:56:19,185 INFO L87 Difference]: Start difference. First operand 360 states. Second operand 9 states. [2020-09-25 09:56:19,861 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:56:20,928 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-25 09:56:21,566 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-25 09:56:23,105 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:56:23,435 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 09:56:23,780 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:56:24,253 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:56:24,577 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:56:24,871 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:56:26,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:56:26,389 INFO L93 Difference]: Finished difference Result 713 states and 874 transitions. [2020-09-25 09:56:26,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-25 09:56:26,391 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-25 09:56:26,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:56:26,412 INFO L225 Difference]: With dead ends: 713 [2020-09-25 09:56:26,412 INFO L226 Difference]: Without dead ends: 477 [2020-09-25 09:56:26,420 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2020-09-25 09:56:26,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2020-09-25 09:56:26,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 426. [2020-09-25 09:56:26,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2020-09-25 09:56:26,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 484 transitions. [2020-09-25 09:56:26,605 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 484 transitions. Word has length 160 [2020-09-25 09:56:26,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:56:26,609 INFO L479 AbstractCegarLoop]: Abstraction has 426 states and 484 transitions. [2020-09-25 09:56:26,609 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 09:56:26,610 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 484 transitions. [2020-09-25 09:56:26,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-09-25 09:56:26,623 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:56:26,624 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:56:26,625 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 09:56:26,625 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:56:26,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:56:26,625 INFO L82 PathProgramCache]: Analyzing trace with hash 311325871, now seen corresponding path program 1 times [2020-09-25 09:56:26,626 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:56:26,626 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1402720252] [2020-09-25 09:56:26,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:56:26,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:26,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:26,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:28,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:28,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-09-25 09:56:28,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:56:28,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2209 [2020-09-25 09:56:28,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:28,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:28,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 09:56:28,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 198 [2020-09-25 09:56:28,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:56:28,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:29,197 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:56:29,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:29,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:29,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:29,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:29,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:56:29,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:29,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-25 09:56:29,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:29,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:29,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:29,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:29,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:29,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:29,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:56:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:29,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:29,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:29,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:29,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:29,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:29,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:29,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:29,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:29,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:29,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:29,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:29,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:56:29,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:29,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:29,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:29,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:29,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:29,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:29,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:29,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:29,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:29,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:29,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:29,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 09:56:29,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:56:29,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:29,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:29,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:29,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:29,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:29,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:56:29,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:29,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:29,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:29,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:29,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:29,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:29,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:56:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:29,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:29,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:29,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:29,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:29,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:29,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:29,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:29,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:29,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:29,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:29,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:29,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:56:29,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:29,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:29,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:29,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:56:29,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:29,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:29,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:29,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:29,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:29,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:29,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:29,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:29,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 09:56:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:29,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:29,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:29,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 09:56:29,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:29,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:29,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:29,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:29,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:29,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:29,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:29,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:29,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:29,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:29,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:29,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:29,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:29,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:29,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:29,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:29,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:29,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:29,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:29,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:29,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 09:56:29,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:29,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:29,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:29,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-25 09:56:29,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:29,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-25 09:56:29,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:29,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:29,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 09:56:29,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 09:56:29,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:56:29,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:29,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:56:29,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:29,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:29,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:29,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 09:56:29,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:29,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-09-25 09:56:29,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:29,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:29,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 09:56:29,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 09:56:29,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:56:29,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:56:29,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:56:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:29,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:29,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:29,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 09:56:29,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:29,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-25 09:56:29,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:29,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:29,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 09:56:29,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 09:56:29,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:56:29,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:56:29,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:56:29,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:29,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:29,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:29,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:56:29,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:29,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-25 09:56:29,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:29,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:29,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:56:29,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:29,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 09:56:29,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:29,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:56:29,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:29,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:29,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:29,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:56:29,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:29,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 09:56:29,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:29,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:29,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:29,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:29,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:29,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:29,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:56:29,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:29,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:29,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:29,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:56:29,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:29,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:56:29,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:29,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:29,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:29,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 09:56:29,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:29,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:29,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 09:56:29,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:29,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:29,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:29,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:29,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:29,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:29,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:29,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:29,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:29,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:56:29,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:29,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:29,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-09-25 09:56:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:29,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:29,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:29,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:29,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:29,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:29,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:29,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:29,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:29,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:56:29,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:29,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:29,999 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 09:56:30,000 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1402720252] [2020-09-25 09:56:30,000 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:56:30,000 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 09:56:30,000 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392715838] [2020-09-25 09:56:30,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 09:56:30,005 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:56:30,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 09:56:30,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 09:56:30,006 INFO L87 Difference]: Start difference. First operand 426 states and 484 transitions. Second operand 10 states. [2020-09-25 09:56:31,688 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:56:32,021 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 09:56:32,357 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 09:56:32,690 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:56:33,028 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 09:56:33,338 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:56:34,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:56:34,491 INFO L93 Difference]: Finished difference Result 833 states and 1009 transitions. [2020-09-25 09:56:34,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 09:56:34,492 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 204 [2020-09-25 09:56:34,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:56:34,498 INFO L225 Difference]: With dead ends: 833 [2020-09-25 09:56:34,499 INFO L226 Difference]: Without dead ends: 522 [2020-09-25 09:56:34,502 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-25 09:56:34,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2020-09-25 09:56:34,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 433. [2020-09-25 09:56:34,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 433 states. [2020-09-25 09:56:34,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 491 transitions. [2020-09-25 09:56:34,593 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 491 transitions. Word has length 204 [2020-09-25 09:56:34,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:56:34,593 INFO L479 AbstractCegarLoop]: Abstraction has 433 states and 491 transitions. [2020-09-25 09:56:34,593 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 09:56:34,594 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 491 transitions. [2020-09-25 09:56:34,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-09-25 09:56:34,596 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:56:34,597 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:56:34,597 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 09:56:34,597 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:56:34,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:56:34,598 INFO L82 PathProgramCache]: Analyzing trace with hash 248997135, now seen corresponding path program 1 times [2020-09-25 09:56:34,598 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:56:34,598 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1165372333] [2020-09-25 09:56:34,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:56:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:34,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:34,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:36,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:36,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-09-25 09:56:36,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:56:36,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1879 [2020-09-25 09:56:36,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:36,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:36,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:56:36,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 190 [2020-09-25 09:56:36,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 09:56:36,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:36,865 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:56:36,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:36,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:36,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:36,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:36,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:56:36,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:36,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-09-25 09:56:36,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:36,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:36,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:36,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:36,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:36,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:56:37,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:56:37,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:37,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:37,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:37,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:37,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:37,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 09:56:37,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:37,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:37,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:37,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:37,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:37,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:56:37,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:56:37,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:37,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:37,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:37,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:37,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:37,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 09:56:37,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:37,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:37,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:37,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:37,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:37,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:37,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:56:37,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:37,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:37,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:37,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:37,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:37,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:56:37,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:37,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:37,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:37,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:37,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:37,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:37,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:56:37,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:37,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:37,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:37,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:37,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:37,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 09:56:37,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:37,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:37,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:37,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:37,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:37,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:56:37,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:56:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:37,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:37,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:37,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:56:37,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:37,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:37,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:37,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:37,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:37,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:37,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:37,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:37,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 09:56:37,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:37,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:37,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:37,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 09:56:37,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:37,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:37,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:37,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:37,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:37,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:37,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:37,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:37,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:37,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:37,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:37,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:37,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:37,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:37,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 09:56:37,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:37,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:37,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:37,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:37,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:37,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:37,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 09:56:37,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:37,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:37,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:37,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-25 09:56:37,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:37,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-25 09:56:37,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:37,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:37,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:56:37,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 09:56:37,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 09:56:37,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:37,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:56:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:37,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:37,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:37,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 09:56:37,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:37,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-25 09:56:37,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:37,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:37,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:56:37,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 09:56:37,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 09:56:37,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:56:37,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:56:37,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:37,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:37,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:37,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 09:56:37,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:37,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-25 09:56:37,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:37,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:37,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:56:37,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 09:56:37,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 09:56:37,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:37,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:56:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:37,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:37,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:37,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:56:37,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:37,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 09:56:37,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:37,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:37,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:56:37,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 09:56:37,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 09:56:37,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:37,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:56:37,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:37,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:37,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:37,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:56:37,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:37,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 09:56:37,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:37,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:37,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 09:56:37,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:37,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:56:37,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:37,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:56:37,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:37,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:37,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:37,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:56:37,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:37,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:37,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:37,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:37,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:37,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 09:56:37,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:37,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:37,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 09:56:37,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:37,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:37,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:37,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:37,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:37,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:37,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:37,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:37,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:37,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:56:37,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:37,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:37,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-09-25 09:56:37,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:37,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:37,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:37,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:37,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:37,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:37,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:37,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:37,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:37,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:56:37,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:37,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:37,426 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 09:56:37,426 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1165372333] [2020-09-25 09:56:37,426 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:56:37,427 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 09:56:37,427 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727002557] [2020-09-25 09:56:37,428 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 09:56:37,428 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:56:37,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 09:56:37,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 09:56:37,429 INFO L87 Difference]: Start difference. First operand 433 states and 491 transitions. Second operand 9 states. [2020-09-25 09:56:39,009 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:56:39,335 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:56:39,657 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:56:39,998 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 09:56:40,333 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:56:41,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:56:41,701 INFO L93 Difference]: Finished difference Result 846 states and 1046 transitions. [2020-09-25 09:56:41,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 09:56:41,702 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 204 [2020-09-25 09:56:41,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:56:41,710 INFO L225 Difference]: With dead ends: 846 [2020-09-25 09:56:41,710 INFO L226 Difference]: Without dead ends: 528 [2020-09-25 09:56:41,712 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-25 09:56:41,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2020-09-25 09:56:41,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 439. [2020-09-25 09:56:41,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2020-09-25 09:56:41,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 497 transitions. [2020-09-25 09:56:41,765 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 497 transitions. Word has length 204 [2020-09-25 09:56:41,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:56:41,766 INFO L479 AbstractCegarLoop]: Abstraction has 439 states and 497 transitions. [2020-09-25 09:56:41,766 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 09:56:41,766 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 497 transitions. [2020-09-25 09:56:41,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-09-25 09:56:41,769 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:56:41,769 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:56:41,770 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 09:56:41,770 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:56:41,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:56:41,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1906064244, now seen corresponding path program 1 times [2020-09-25 09:56:41,770 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:56:41,771 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [226327909] [2020-09-25 09:56:41,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:56:41,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:41,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:41,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:45,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:45,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-09-25 09:56:45,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:56:45,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3828 [2020-09-25 09:56:45,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:45,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:45,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 09:56:45,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 09:56:45,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-09-25 09:56:45,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:46,001 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:56:46,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:46,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:46,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:46,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:46,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:56:46,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:46,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 267 [2020-09-25 09:56:46,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:46,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:46,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:46,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:46,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 09:56:46,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:46,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:56:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:46,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:46,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:46,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:46,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:46,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:46,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:46,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:46,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:46,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:46,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:56:46,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:46,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:56:46,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:46,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:46,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:46,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:46,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:46,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:46,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:46,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:46,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:46,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:46,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:56:46,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:46,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:56:46,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:46,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:46,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:46,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:46,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:46,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 09:56:46,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:46,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:46,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:46,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:46,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:56:46,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:46,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:56:46,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:46,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:46,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:46,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:46,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:46,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 09:56:46,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:46,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:46,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:46,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:46,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:56:46,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:46,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:56:46,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:46,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:46,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:46,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:56:46,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:46,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:56:46,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:46,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:46,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:46,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:46,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:56:46,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:46,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 09:56:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:46,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:46,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:46,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 09:56:46,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:46,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:56:46,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:46,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:46,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:46,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:46,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 09:56:46,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:46,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:46,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:46,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:46,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:46,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:46,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:46,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:46,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:46,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:46,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:46,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:46,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:46,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:46,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 09:56:46,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:46,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:46,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:46,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-25 09:56:46,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:46,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 09:56:46,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:46,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:46,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:46,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-25 09:56:46,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 09:56:46,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:46,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:56:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:46,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:46,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:46,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 09:56:46,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:46,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 09:56:46,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:46,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:46,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:46,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:46,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 09:56:46,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:46,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:56:46,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:46,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:46,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:46,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 09:56:46,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:46,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 09:56:46,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:46,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:46,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:46,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:46,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 09:56:46,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:56:46,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:56:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:46,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:46,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:46,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:56:46,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:46,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 09:56:46,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:46,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:46,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:46,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:46,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:56:46,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:46,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:56:46,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:46,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:46,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:46,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:56:46,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:46,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:56:46,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:46,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:46,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:46,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:46,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 09:56:46,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:56:46,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:56:46,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:46,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:46,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:46,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:56:46,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:46,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:56:46,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:46,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:46,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:46,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:46,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:56:46,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:56:46,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 09:56:46,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:46,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:46,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:46,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:46,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:46,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:46,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:46,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:46,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:46,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:56:46,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:46,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:46,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-09-25 09:56:46,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:46,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:46,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:46,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:46,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:46,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:46,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:46,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:46,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:46,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:56:46,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:46,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:46,853 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 09:56:46,854 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [226327909] [2020-09-25 09:56:46,854 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:56:46,855 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 09:56:46,855 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343726431] [2020-09-25 09:56:46,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 09:56:46,856 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:56:46,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 09:56:46,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-25 09:56:46,857 INFO L87 Difference]: Start difference. First operand 439 states and 497 transitions. Second operand 7 states. [2020-09-25 09:56:47,557 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:56:48,289 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:56:51,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:56:51,657 INFO L93 Difference]: Finished difference Result 1206 states and 1503 transitions. [2020-09-25 09:56:51,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 09:56:51,658 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 204 [2020-09-25 09:56:51,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:56:51,664 INFO L225 Difference]: With dead ends: 1206 [2020-09-25 09:56:51,664 INFO L226 Difference]: Without dead ends: 871 [2020-09-25 09:56:51,666 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 42 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2020-09-25 09:56:51,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2020-09-25 09:56:51,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 770. [2020-09-25 09:56:51,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 770 states. [2020-09-25 09:56:51,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 901 transitions. [2020-09-25 09:56:51,763 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 901 transitions. Word has length 204 [2020-09-25 09:56:51,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:56:51,764 INFO L479 AbstractCegarLoop]: Abstraction has 770 states and 901 transitions. [2020-09-25 09:56:51,764 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 09:56:51,764 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 901 transitions. [2020-09-25 09:56:51,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2020-09-25 09:56:51,768 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:56:51,768 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:56:51,769 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 09:56:51,769 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:56:51,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:56:51,769 INFO L82 PathProgramCache]: Analyzing trace with hash -1626913091, now seen corresponding path program 1 times [2020-09-25 09:56:51,770 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:56:51,770 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [274369789] [2020-09-25 09:56:51,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:56:51,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:51,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:52,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:52,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:52,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:53,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:53,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:55,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:56,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:56,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 322 [2020-09-25 09:56:56,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 09:56:56,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-09-25 09:56:56,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:56,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:56,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-25 09:56:56,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 09:56:56,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 228 [2020-09-25 09:56:56,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:57,241 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:56:57,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:57,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:57,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:57,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:56:57,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:57,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 214 [2020-09-25 09:56:57,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:57,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:57,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:57,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:57,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 09:56:57,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:57,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:56:57,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:57,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:57,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:57,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:57,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:57,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:57,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:57,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:57,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:57,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:57,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:56:57,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:57,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:56:57,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:57,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:57,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:57,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:57,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:57,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:57,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:57,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:57,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:57,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:57,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:56:57,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:57,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:56:57,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:57,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:57,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:57,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:57,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:57,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 09:56:57,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:57,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:57,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:57,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:57,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:56:57,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:56:57,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:56:57,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:57,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:57,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:57,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:56:57,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:57,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:57,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:57,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:57,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:57,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:57,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:56:57,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:57,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:56:57,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:57,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:57,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:57,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:56:57,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:57,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:56:57,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:57,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:57,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:57,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:57,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:56:57,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:57,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 09:56:57,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:57,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:57,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:57,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:56:57,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:57,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 09:56:57,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:57,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:57,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:56:57,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 09:56:57,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:56:57,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:57,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 09:56:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:57,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:57,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:57,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:56:57,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:57,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:56:57,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:57,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:57,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:57,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:57,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:56:57,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:57,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 09:56:57,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:57,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:57,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:57,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:57,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-25 09:56:57,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:56:57,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-09-25 09:56:57,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:57,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:57,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 09:56:57,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 09:56:57,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-25 09:56:57,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:57,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:58,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:58,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:58,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 09:56:58,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:58,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 09:56:58,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:58,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:58,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:58,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:58,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 09:56:58,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:58,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:58,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:58,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:58,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:58,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:58,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:58,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:58,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:58,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:58,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:58,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:58,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:58,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 09:56:58,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:58,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:58,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:58,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:58,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 09:56:58,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:56:58,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-25 09:56:58,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:58,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:58,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:58,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:58,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 09:56:58,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 09:56:58,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:56:58,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:58,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:58,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:58,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:58,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:58,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 09:56:58,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:58,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:58,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:58,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:58,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:58,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:58,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-09-25 09:56:58,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:58,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:58,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:58,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 09:56:58,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:58,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:56:58,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:58,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:58,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:58,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:58,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 09:56:58,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:58,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:56:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:58,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:58,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:58,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:58,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:58,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:58,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:58,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:58,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:58,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:58,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:58,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:58,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-25 09:56:58,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:58,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:58,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:58,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-25 09:56:58,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:58,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 09:56:58,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:58,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:58,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:56:58,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:58,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-25 09:56:58,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:56:58,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:56:58,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:58,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:58,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:58,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 09:56:58,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:58,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 09:56:58,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:58,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:58,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:58,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:58,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:58,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:56:58,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:56:58,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:58,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:58,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:58,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 09:56:58,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:58,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 09:56:58,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:58,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:58,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:58,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:58,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:58,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:58,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:56:58,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:58,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:58,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:58,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:56:58,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:58,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 09:56:58,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:58,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:58,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:58,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:58,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:58,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:58,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:56:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:58,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:58,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:58,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:56:58,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:58,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:56:58,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:58,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:58,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:58,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:58,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:58,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:58,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:56:58,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:58,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:58,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:58,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:56:58,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:58,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:58,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:58,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:58,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:58,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:58,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:58,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:56:58,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-09-25 09:56:58,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:58,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:58,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:58,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:58,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:58,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 09:56:58,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:58,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:58,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:56:58,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:56:58,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:56:58,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:56:58,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2020-09-25 09:56:58,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:56:58,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:56:58,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:56:58,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:56:58,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:56:58,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:56:58,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:56:58,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:56:58,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:56:58,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:56:58,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:56:58,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:56:58,416 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-09-25 09:56:58,416 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [274369789] [2020-09-25 09:56:58,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 09:56:58,417 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-25 09:56:58,417 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834236886] [2020-09-25 09:56:58,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-25 09:56:58,418 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:56:58,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-25 09:56:58,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2020-09-25 09:56:58,419 INFO L87 Difference]: Start difference. First operand 770 states and 901 transitions. Second operand 17 states.