/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=0.5 --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_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 14:25:59,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 14:25:59,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 14:25:59,215 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 14:25:59,215 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 14:25:59,223 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 14:25:59,225 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 14:25:59,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 14:25:59,232 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 14:25:59,235 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 14:25:59,235 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 14:25:59,236 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 14:25:59,237 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 14:25:59,239 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 14:25:59,242 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 14:25:59,244 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 14:25:59,245 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 14:25:59,246 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 14:25:59,248 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 14:25:59,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 14:25:59,257 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 14:25:59,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 14:25:59,265 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 14:25:59,266 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 14:25:59,268 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 14:25:59,269 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 14:25:59,269 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 14:25:59,270 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 14:25:59,270 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 14:25:59,271 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 14:25:59,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 14:25:59,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 14:25:59,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 14:25:59,274 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 14:25:59,274 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 14:25:59,275 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 14:25:59,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 14:25:59,276 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 14:25:59,276 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 14:25:59,277 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 14:25:59,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 14:25:59,278 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 14:25:59,302 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 14:25:59,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 14:25:59,304 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 14:25:59,304 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 14:25:59,304 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 14:25:59,304 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 14:25:59,305 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 14:25:59,305 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 14:25:59,305 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 14:25:59,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 14:25:59,305 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 14:25:59,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 14:25:59,306 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 14:25:59,306 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 14:25:59,306 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 14:25:59,306 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 14:25:59,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 14:25:59,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 14:25:59,307 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 14:25:59,307 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 14:25:59,307 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 14:25:59,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:25:59,308 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 14:25:59,308 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 14:25:59,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 14:25:59,308 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 14:25:59,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 14:25:59,309 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 14:25:59,309 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 14:25:59,309 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=0.5;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=0.5;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=0.5;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=0.5;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=0.5;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=0.5;log-additional-information=true; [2020-09-25 14:25:59,789 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 14:25:59,808 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 14:25:59,812 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 14:25:59,814 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 14:25:59,814 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 14:25:59,816 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c [2020-09-25 14:25:59,907 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f5edf9460/b9559a6fddc940d293617eb680b7ccc3/FLAGac2d281b2 [2020-09-25 14:26:00,511 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 14:26:00,512 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c [2020-09-25 14:26:00,527 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f5edf9460/b9559a6fddc940d293617eb680b7ccc3/FLAGac2d281b2 [2020-09-25 14:26:00,772 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f5edf9460/b9559a6fddc940d293617eb680b7ccc3 [2020-09-25 14:26:00,786 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 14:26:00,790 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 14:26:00,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 14:26:00,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 14:26:00,796 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 14:26:00,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:26:00" (1/1) ... [2020-09-25 14:26:00,801 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22589b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:26:00, skipping insertion in model container [2020-09-25 14:26:00,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:26:00" (1/1) ... [2020-09-25 14:26:00,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 14:26:00,861 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 14:26:01,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:26:01,351 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 14:26:01,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:26:01,654 INFO L208 MainTranslator]: Completed translation [2020-09-25 14:26:01,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:26:01 WrapperNode [2020-09-25 14:26:01,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 14:26:01,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 14:26:01,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 14:26:01,656 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 14:26:01,674 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:26:01" (1/1) ... [2020-09-25 14:26:01,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:26:01" (1/1) ... [2020-09-25 14:26:01,696 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:26:01" (1/1) ... [2020-09-25 14:26:01,696 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:26:01" (1/1) ... [2020-09-25 14:26:01,726 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:26:01" (1/1) ... [2020-09-25 14:26:01,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:26:01" (1/1) ... [2020-09-25 14:26:01,743 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:26:01" (1/1) ... [2020-09-25 14:26:01,751 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 14:26:01,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 14:26:01,752 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 14:26:01,752 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 14:26:01,755 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:26:01" (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 14:26:01,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 14:26:01,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 14:26:01,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 14:26:01,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 14:26:01,838 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 14:26:01,838 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 14:26:01,838 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 14:26:01,838 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 14:26:01,838 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-25 14:26:01,838 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 14:26:01,839 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 14:26:01,839 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 14:26:01,839 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 14:26:01,839 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 14:26:01,839 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 14:26:01,839 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 14:26:01,840 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 14:26:01,840 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 14:26:01,840 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 14:26:01,840 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 14:26:01,840 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 14:26:01,841 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 14:26:01,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 14:26:01,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 14:26:01,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 14:26:01,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 14:26:01,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 14:26:01,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 14:26:01,842 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 14:26:01,842 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 14:26:01,842 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 14:26:01,842 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 14:26:01,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 14:26:01,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 14:26:01,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 14:26:01,843 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 14:26:01,843 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 14:26:01,843 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 14:26:01,843 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 14:26:01,844 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 14:26:01,844 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 14:26:01,844 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 14:26:01,844 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 14:26:01,844 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 14:26:01,844 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 14:26:01,845 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 14:26:01,845 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 14:26:01,845 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 14:26:01,845 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 14:26:01,845 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 14:26:01,845 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 14:26:01,845 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 14:26:01,846 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 14:26:01,846 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 14:26:01,846 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 14:26:01,846 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 14:26:01,846 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 14:26:01,846 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 14:26:01,847 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 14:26:01,847 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 14:26:01,847 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 14:26:01,847 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 14:26:01,847 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 14:26:01,847 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-25 14:26:01,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 14:26:01,848 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 14:26:01,848 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 14:26:01,848 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 14:26:01,848 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 14:26:01,848 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 14:26:01,848 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 14:26:01,848 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 14:26:01,849 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 14:26:01,849 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 14:26:01,849 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 14:26:01,849 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 14:26:01,849 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 14:26:01,849 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 14:26:01,849 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 14:26:01,850 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 14:26:01,850 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 14:26:01,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 14:26:01,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 14:26:01,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 14:26:01,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 14:26:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 14:26:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 14:26:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 14:26:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 14:26:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 14:26:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 14:26:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 14:26:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 14:26:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 14:26:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 14:26:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 14:26:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 14:26:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 14:26:03,118 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 14:26:03,119 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 14:26:03,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:26:03 BoogieIcfgContainer [2020-09-25 14:26:03,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 14:26:03,137 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 14:26:03,137 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 14:26:03,141 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 14:26:03,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:26:00" (1/3) ... [2020-09-25 14:26:03,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f213174 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:26:03, skipping insertion in model container [2020-09-25 14:26:03,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:26:01" (2/3) ... [2020-09-25 14:26:03,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f213174 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:26:03, skipping insertion in model container [2020-09-25 14:26:03,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:26:03" (3/3) ... [2020-09-25 14:26:03,146 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product47.cil.c [2020-09-25 14:26:03,158 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 14:26:03,171 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 14:26:03,193 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 14:26:03,227 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 14:26:03,227 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 14:26:03,227 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 14:26:03,227 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 14:26:03,227 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 14:26:03,228 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 14:26:03,228 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 14:26:03,228 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 14:26:03,259 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states. [2020-09-25 14:26:03,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 14:26:03,283 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:26:03,284 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 14:26:03,285 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:26:03,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:26:03,294 INFO L82 PathProgramCache]: Analyzing trace with hash 41211657, now seen corresponding path program 1 times [2020-09-25 14:26:03,304 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:26:03,304 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [8918565] [2020-09-25 14:26:03,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:26:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:03,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:04,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:05,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:05,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:08,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:08,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:08,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 14:26:08,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 14:26:08,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-09-25 14:26:08,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:08,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:08,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 14:26:08,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 14:26:08,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-25 14:26:08,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 16 [2020-09-25 14:26:09,293 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:26:09,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:26:09,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:09,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:09,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:09,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:26:09,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:09,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 311 [2020-09-25 14:26:09,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:09,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:09,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:09,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:09,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 14:26:09,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:09,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:26:09,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:09,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:09,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:09,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:09,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:09,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 14:26:09,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:09,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:09,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:09,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:09,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:26:09,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:09,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:26:09,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:09,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:09,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:09,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:09,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:09,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:26:09,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:09,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:09,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:09,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:09,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:26:09,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:09,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:26:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:09,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:09,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:09,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:09,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:09,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 14:26:09,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:09,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:09,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:09,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:09,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:26:09,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:09,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:26:09,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:09,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:09,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:09,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:09,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:09,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 14:26:09,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:09,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:09,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:09,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:09,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:26:09,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:26:09,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:26:09,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:09,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:09,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:09,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:26:09,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:09,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:26:09,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:09,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:09,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:09,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:09,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:26:09,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:09,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 14:26:09,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:09,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:09,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:09,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 14:26:09,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:09,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:26:09,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:09,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:09,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:09,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:09,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 14:26:09,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:09,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:26:09,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:09,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:09,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:09,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:09,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:09,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:26:09,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:09,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:09,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:09,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:09,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:09,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:09,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 14:26:09,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:09,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:09,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:09,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:09,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:09,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:26:09,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:09,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:09,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:09,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:26:09,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:09,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:09,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 14:26:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:09,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:09,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:09,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:09,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:09,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:09,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:09,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:09,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:09,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:26:09,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:09,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:10,006 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 14:26:10,007 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [8918565] [2020-09-25 14:26:10,010 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:26:10,010 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 14:26:10,011 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32439868] [2020-09-25 14:26:10,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 14:26:10,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:26:10,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 14:26:10,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 14:26:10,044 INFO L87 Difference]: Start difference. First operand 334 states. Second operand 6 states. [2020-09-25 14:26:10,766 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:26:11,838 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:26:13,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:26:13,848 INFO L93 Difference]: Finished difference Result 829 states and 998 transitions. [2020-09-25 14:26:13,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 14:26:13,851 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 160 [2020-09-25 14:26:13,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:26:13,876 INFO L225 Difference]: With dead ends: 829 [2020-09-25 14:26:13,876 INFO L226 Difference]: Without dead ends: 607 [2020-09-25 14:26:13,883 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-09-25 14:26:13,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2020-09-25 14:26:14,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 533. [2020-09-25 14:26:14,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2020-09-25 14:26:14,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 608 transitions. [2020-09-25 14:26:14,068 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 608 transitions. Word has length 160 [2020-09-25 14:26:14,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:26:14,069 INFO L479 AbstractCegarLoop]: Abstraction has 533 states and 608 transitions. [2020-09-25 14:26:14,069 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 14:26:14,069 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 608 transitions. [2020-09-25 14:26:14,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-09-25 14:26:14,075 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:26:14,076 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] [2020-09-25 14:26:14,076 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 14:26:14,077 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:26:14,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:26:14,077 INFO L82 PathProgramCache]: Analyzing trace with hash -359557992, now seen corresponding path program 1 times [2020-09-25 14:26:14,077 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:26:14,078 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1554249082] [2020-09-25 14:26:14,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:26:14,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:14,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:14,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:14,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:16,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:16,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:17,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:19,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:19,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:19,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-09-25 14:26:19,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 14:26:19,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5039 [2020-09-25 14:26:19,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:19,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:19,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 14:26:19,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 14:26:19,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-09-25 14:26:19,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:19,464 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:26:19,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:26:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:19,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:19,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:19,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:26:19,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:19,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 230 [2020-09-25 14:26:19,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:19,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:19,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:19,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:19,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 14:26:19,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:19,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:26:19,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:19,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:19,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:19,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:19,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:19,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:26:19,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:19,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:19,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:19,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:19,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:26:19,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:19,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:26:19,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:19,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:19,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:19,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:19,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:19,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:26:19,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:19,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:19,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:19,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:19,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:26:19,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:19,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:26:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:19,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:19,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:19,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:19,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:19,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:26:19,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:19,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:19,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:19,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:19,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:26:19,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:19,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:26:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:19,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:19,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:19,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:19,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:19,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:26:19,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:19,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:19,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:19,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:19,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:26:19,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:19,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:26:19,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:19,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:19,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:19,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:26:19,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:19,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:26:19,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:19,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:19,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:19,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:19,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:26:19,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:19,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 14:26:19,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:19,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:19,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:19,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 14:26:19,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:19,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 14:26:19,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:19,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:19,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:19,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:19,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 14:26:19,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:19,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:26:19,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:19,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:19,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:19,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:19,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:19,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:19,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:19,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:19,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:19,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:19,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:19,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:19,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 14:26:19,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:19,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:19,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:19,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:19,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 14:26:19,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:26:19,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 14:26:19,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:19,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:19,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:26:19,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:26:19,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 14:26:19,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:19,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:26:19,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:19,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:19,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:19,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:26:19,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:19,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 14:26:19,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:19,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:19,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:26:19,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:26:19,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 14:26:19,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:19,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:26:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:19,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:19,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:19,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:19,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:19,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:26:19,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:19,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:19,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:19,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:19,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:26:19,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:19,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-09-25 14:26:19,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:19,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:19,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:19,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:19,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:19,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:19,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:19,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:19,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:19,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:26:19,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:19,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:19,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-09-25 14:26:19,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:19,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:19,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:19,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:19,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:19,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:19,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:19,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:19,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:19,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:26:19,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:19,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:19,999 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 14:26:20,000 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1554249082] [2020-09-25 14:26:20,000 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:26:20,000 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 14:26:20,001 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779725768] [2020-09-25 14:26:20,003 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 14:26:20,003 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:26:20,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 14:26:20,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-25 14:26:20,004 INFO L87 Difference]: Start difference. First operand 533 states and 608 transitions. Second operand 7 states. [2020-09-25 14:26:20,574 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:26:22,490 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:26:23,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:26:23,706 INFO L93 Difference]: Finished difference Result 1417 states and 1755 transitions. [2020-09-25 14:26:23,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 14:26:23,707 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 183 [2020-09-25 14:26:23,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:26:23,722 INFO L225 Difference]: With dead ends: 1417 [2020-09-25 14:26:23,723 INFO L226 Difference]: Without dead ends: 999 [2020-09-25 14:26:23,728 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-25 14:26:23,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2020-09-25 14:26:23,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 835. [2020-09-25 14:26:23,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 835 states. [2020-09-25 14:26:23,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 835 states and 961 transitions. [2020-09-25 14:26:23,863 INFO L78 Accepts]: Start accepts. Automaton has 835 states and 961 transitions. Word has length 183 [2020-09-25 14:26:23,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:26:23,864 INFO L479 AbstractCegarLoop]: Abstraction has 835 states and 961 transitions. [2020-09-25 14:26:23,864 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 14:26:23,865 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 961 transitions. [2020-09-25 14:26:23,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-25 14:26:23,868 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:26:23,868 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] [2020-09-25 14:26:23,868 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 14:26:23,869 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:26:23,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:26:23,869 INFO L82 PathProgramCache]: Analyzing trace with hash -1112258490, now seen corresponding path program 1 times [2020-09-25 14:26:23,869 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:26:23,870 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [608254799] [2020-09-25 14:26:23,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:26:23,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:23,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:24,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:24,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:26,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:28,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:28,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-25 14:26:28,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 14:26:28,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-09-25 14:26:28,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:28,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:28,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 14:26:28,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 14:26:28,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-09-25 14:26:28,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:29,327 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:26:29,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:26:29,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:29,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:29,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:29,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:26:29,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:29,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-09-25 14:26:29,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:29,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:29,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:29,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:29,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 14:26:29,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:29,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:26:29,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:29,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:29,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:29,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:29,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:29,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:26:29,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:29,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:29,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:29,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:29,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:26:29,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:29,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:26:29,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:29,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:29,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:29,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:29,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:29,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:26:29,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:29,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:29,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:29,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:29,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:26:29,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:29,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:26:29,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:29,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:29,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:29,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:29,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:29,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 14:26:29,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:29,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:29,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:29,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:29,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:26:29,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:29,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:26:29,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:29,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:29,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:29,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:29,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:29,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:26:29,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:29,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:29,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:29,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:29,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:26:29,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:29,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:26:29,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:29,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:29,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:29,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:26:29,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:29,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:26:29,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:29,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:29,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:29,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:29,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:26:29,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:29,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 14:26:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:29,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:29,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:29,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:29,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 14:26:29,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:26:29,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 14:26:29,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:29,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:29,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:26:29,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:26:29,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 14:26:29,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:29,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 14:26:29,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:29,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:29,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:29,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 14:26:29,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:29,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 14:26:29,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:29,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:29,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:29,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:29,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 14:26:29,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:29,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:26:29,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:29,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:29,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:29,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:29,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:29,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:29,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:29,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:29,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:29,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:29,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:29,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:29,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-25 14:26:29,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:29,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:29,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:29,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:29,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:29,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:26:29,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:29,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:29,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:29,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:29,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:26:29,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:29,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-25 14:26:29,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:29,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:29,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:29,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:29,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:29,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 14:26:29,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:29,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:29,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:26:29,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:29,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:26:29,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:30,062 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 14:26:30,062 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [608254799] [2020-09-25 14:26:30,063 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:26:30,063 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 14:26:30,063 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162124568] [2020-09-25 14:26:30,064 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 14:26:30,064 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:26:30,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 14:26:30,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-25 14:26:30,065 INFO L87 Difference]: Start difference. First operand 835 states and 961 transitions. Second operand 11 states. [2020-09-25 14:26:30,836 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:26:31,900 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-09-25 14:26:32,552 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 197 [2020-09-25 14:26:34,281 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 14:26:34,638 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 14:26:34,963 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 14:26:35,277 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 14:26:35,615 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-09-25 14:26:36,022 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:26:36,508 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 14:26:37,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:26:37,650 INFO L93 Difference]: Finished difference Result 1699 states and 2049 transitions. [2020-09-25 14:26:37,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-25 14:26:37,651 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 179 [2020-09-25 14:26:37,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:26:37,660 INFO L225 Difference]: With dead ends: 1699 [2020-09-25 14:26:37,660 INFO L226 Difference]: Without dead ends: 979 [2020-09-25 14:26:37,663 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 23 SyntacticMatches, 5 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=210, Invalid=602, Unknown=0, NotChecked=0, Total=812 [2020-09-25 14:26:37,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 979 states. [2020-09-25 14:26:37,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 979 to 832. [2020-09-25 14:26:37,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 832 states. [2020-09-25 14:26:37,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 952 transitions. [2020-09-25 14:26:37,805 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 952 transitions. Word has length 179 [2020-09-25 14:26:37,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:26:37,807 INFO L479 AbstractCegarLoop]: Abstraction has 832 states and 952 transitions. [2020-09-25 14:26:37,807 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 14:26:37,807 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 952 transitions. [2020-09-25 14:26:37,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-09-25 14:26:37,813 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:26:37,813 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:26:37,813 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 14:26:37,814 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:26:37,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:26:37,814 INFO L82 PathProgramCache]: Analyzing trace with hash 902461611, now seen corresponding path program 1 times [2020-09-25 14:26:37,814 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:26:37,815 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1412890775] [2020-09-25 14:26:37,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:26:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:37,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:38,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:40,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:40,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-09-25 14:26:40,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:26:40,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2301 [2020-09-25 14:26:40,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:40,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:40,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:26:40,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 193 [2020-09-25 14:26:40,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 14:26:40,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:40,467 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:26:40,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:26:40,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:40,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:40,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:40,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:26:40,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:40,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-25 14:26:40,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:40,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:40,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:40,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:40,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:40,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:26:40,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:26:40,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:40,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:40,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:40,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:40,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:40,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:26:40,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:40,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:40,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:40,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:40,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:40,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:26:40,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:26:40,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:40,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:40,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:40,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:40,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:40,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:26:40,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:40,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:40,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:40,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:40,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:40,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:40,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:26:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:40,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:40,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:40,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:40,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:40,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:26:40,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:40,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:40,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:40,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:40,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:40,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:40,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:26:40,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:40,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:40,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:40,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:40,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:40,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:26:40,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:40,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:40,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:40,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:40,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:40,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:40,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:26:40,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:40,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:40,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:40,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:26:40,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:40,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:40,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:40,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:40,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:40,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:40,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:40,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:40,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 14:26:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:40,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:40,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:40,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 14:26:40,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:40,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:26:40,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:40,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:40,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:40,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:40,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:40,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:40,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:26:40,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:40,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:40,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:40,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:40,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:40,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:40,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:40,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:40,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:40,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:40,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:40,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:40,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 14:26:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:40,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:40,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:40,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 14:26:40,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:40,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-25 14:26:40,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:40,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:40,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:26:40,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 14:26:40,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 14:26:40,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:40,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:26:40,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:40,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:40,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:40,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 14:26:40,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:40,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-25 14:26:40,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:40,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:40,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:26:40,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 14:26:40,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 14:26:40,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:40,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:26:40,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:40,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:40,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:40,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 14:26:40,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:40,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 14:26:40,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:40,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:40,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:26:40,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:40,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 14:26:40,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:40,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 14:26:40,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:40,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:40,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:40,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:26:40,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:40,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:26:40,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:40,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:40,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:40,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:40,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:40,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:40,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 14:26:40,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:41,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:41,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:41,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 14:26:41,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:41,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 14:26:41,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:41,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:41,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:41,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 14:26:41,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:41,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:41,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 14:26:41,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:41,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:41,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:41,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 14:26:41,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:41,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:41,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:41,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:41,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:41,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:41,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:41,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:41,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 14:26:41,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:41,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:41,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:41,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:41,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:41,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:41,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:41,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:41,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:41,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:41,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:41,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:41,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 14:26:41,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:41,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:41,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:41,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:26:41,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:41,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:26:41,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:41,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:41,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:41,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:41,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:41,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:41,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-25 14:26:41,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:41,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:41,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:41,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:41,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:41,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:41,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:41,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:41,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:41,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:26:41,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:41,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:41,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-09-25 14:26:41,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:41,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:41,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:41,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:41,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:41,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:41,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:41,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:41,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:41,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:26:41,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:41,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:41,108 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 14:26:41,109 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1412890775] [2020-09-25 14:26:41,109 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:26:41,109 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 14:26:41,109 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341333812] [2020-09-25 14:26:41,110 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 14:26:41,110 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:26:41,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 14:26:41,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 14:26:41,111 INFO L87 Difference]: Start difference. First operand 832 states and 952 transitions. Second operand 10 states. [2020-09-25 14:26:42,470 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:26:42,804 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 14:26:43,122 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 14:26:43,462 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:26:43,813 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 14:26:44,123 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:26:45,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:26:45,347 INFO L93 Difference]: Finished difference Result 1701 states and 2054 transitions. [2020-09-25 14:26:45,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 14:26:45,348 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 221 [2020-09-25 14:26:45,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:26:45,355 INFO L225 Difference]: With dead ends: 1701 [2020-09-25 14:26:45,356 INFO L226 Difference]: Without dead ends: 984 [2020-09-25 14:26:45,359 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-25 14:26:45,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 984 states. [2020-09-25 14:26:45,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 848. [2020-09-25 14:26:45,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 848 states. [2020-09-25 14:26:45,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 848 states and 968 transitions. [2020-09-25 14:26:45,504 INFO L78 Accepts]: Start accepts. Automaton has 848 states and 968 transitions. Word has length 221 [2020-09-25 14:26:45,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:26:45,505 INFO L479 AbstractCegarLoop]: Abstraction has 848 states and 968 transitions. [2020-09-25 14:26:45,505 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 14:26:45,506 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 968 transitions. [2020-09-25 14:26:45,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-25 14:26:45,510 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:26:45,510 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:26:45,510 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 14:26:45,512 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:26:45,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:26:45,512 INFO L82 PathProgramCache]: Analyzing trace with hash 880367573, now seen corresponding path program 1 times [2020-09-25 14:26:45,512 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:26:45,513 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1916801335] [2020-09-25 14:26:45,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:26:45,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:45,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:46,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:46,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-09-25 14:26:46,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:46,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 740 [2020-09-25 14:26:46,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:46,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:46,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:26:46,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 192 [2020-09-25 14:26:46,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:26:46,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:26:46,598 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:26:46,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:26:46,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:46,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:46,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:46,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:26:46,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:46,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-09-25 14:26:46,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:46,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:46,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:46,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:46,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:46,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:26:46,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:26:46,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:46,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:46,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:46,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:46,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:46,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:26:46,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:46,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:46,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:46,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:46,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:46,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:46,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:26:46,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:46,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:46,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:46,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:46,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:46,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:26:46,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:46,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:46,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:46,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:46,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:46,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:46,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:26:46,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:46,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:46,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:46,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:46,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:46,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:26:46,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:46,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:46,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:46,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:46,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:46,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:46,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:26:46,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:46,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:46,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:46,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:46,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:46,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:46,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:46,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:46,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:46,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:46,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:46,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:46,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:26:46,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:46,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:46,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:46,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:26:46,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:46,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:26:46,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:46,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:46,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:46,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:46,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:46,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:46,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 14:26:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:46,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:46,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:46,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 14:26:46,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:46,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:46,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:46,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:46,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:46,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:46,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:46,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:46,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:26:46,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:46,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:46,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:46,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:46,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:46,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:46,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:46,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:46,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:46,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:46,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:46,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:46,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 14:26:46,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:46,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:46,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:46,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 14:26:46,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:46,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-09-25 14:26:46,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:46,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:46,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:26:46,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 14:26:46,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:26:46,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:46,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:26:46,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:46,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:47,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:47,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 14:26:47,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:47,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-25 14:26:47,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:47,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:47,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:26:47,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 14:26:47,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:26:47,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:47,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:26:47,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:47,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:47,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:47,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 14:26:47,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:47,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 14:26:47,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:47,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:47,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:26:47,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 14:26:47,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:26:47,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:47,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 14:26:47,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:47,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:47,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:47,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:26:47,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:47,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 14:26:47,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:47,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:47,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:26:47,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:47,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:26:47,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:47,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 14:26:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:47,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:47,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:47,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 14:26:47,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:47,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 14:26:47,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:47,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:47,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:47,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 14:26:47,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:47,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:47,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 14:26:47,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:47,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:47,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:47,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 14:26:47,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:47,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:47,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:47,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:47,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:47,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:47,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:47,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:47,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 14:26:47,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:47,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:47,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:47,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:47,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:47,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:26:47,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:47,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:47,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:47,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:47,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:47,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:47,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 14:26:47,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:47,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:47,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:47,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:26:47,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:47,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:47,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:47,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:47,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:47,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:47,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:47,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:47,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-25 14:26:47,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:47,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:47,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:47,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:47,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:47,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:47,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:47,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:47,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:47,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:26:47,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:47,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:47,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-25 14:26:47,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:47,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:47,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:47,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:47,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:47,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:47,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:47,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:47,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:47,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:26:47,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:47,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:26:47,224 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 14:26:47,224 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1916801335] [2020-09-25 14:26:47,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:26:47,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 14:26:47,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347570921] [2020-09-25 14:26:47,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 14:26:47,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:26:47,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 14:26:47,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 14:26:47,226 INFO L87 Difference]: Start difference. First operand 848 states and 968 transitions. Second operand 9 states.