/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 06:31:56,154 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 06:31:56,158 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 06:31:56,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 06:31:56,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 06:31:56,187 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 06:31:56,188 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 06:31:56,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 06:31:56,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 06:31:56,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 06:31:56,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 06:31:56,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 06:31:56,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 06:31:56,196 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 06:31:56,198 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 06:31:56,199 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 06:31:56,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 06:31:56,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 06:31:56,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 06:31:56,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 06:31:56,210 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 06:31:56,213 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 06:31:56,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 06:31:56,215 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 06:31:56,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 06:31:56,223 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 06:31:56,223 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 06:31:56,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 06:31:56,228 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 06:31:56,229 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 06:31:56,229 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 06:31:56,230 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 06:31:56,232 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 06:31:56,232 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 06:31:56,233 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 06:31:56,234 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 06:31:56,234 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 06:31:56,235 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 06:31:56,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 06:31:56,237 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 06:31:56,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 06:31:56,239 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 06:31:56,297 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 06:31:56,297 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 06:31:56,301 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 06:31:56,301 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 06:31:56,301 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 06:31:56,301 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 06:31:56,302 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 06:31:56,303 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 06:31:56,303 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 06:31:56,303 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 06:31:56,303 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 06:31:56,303 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 06:31:56,304 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 06:31:56,304 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 06:31:56,304 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 06:31:56,304 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 06:31:56,304 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 06:31:56,305 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 06:31:56,306 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 06:31:56,306 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 06:31:56,306 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 06:31:56,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 06:31:56,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 06:31:56,307 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 06:31:56,307 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 06:31:56,307 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 06:31:56,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 06:31:56,308 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 06:31:56,308 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 06:31:56,308 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=WIDESTAMONGSMALL;tolerance=0.6;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=WIDESTAMONGSMALL;tolerance=0.6;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=WIDESTAMONGSMALL;tolerance=0.6;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=WIDESTAMONGSMALL;tolerance=0.6;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=WIDESTAMONGSMALL;tolerance=0.6;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=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; [2020-09-25 06:31:56,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 06:31:56,842 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 06:31:56,847 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 06:31:56,849 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 06:31:56,849 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 06:31:56,850 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c [2020-09-25 06:31:56,946 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/60abdb772/3352d9359c8f4b8da172dc4844e0079d/FLAGc66a8c14f [2020-09-25 06:31:57,566 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 06:31:57,566 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c [2020-09-25 06:31:57,585 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/60abdb772/3352d9359c8f4b8da172dc4844e0079d/FLAGc66a8c14f [2020-09-25 06:31:57,827 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/60abdb772/3352d9359c8f4b8da172dc4844e0079d [2020-09-25 06:31:57,842 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 06:31:57,848 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 06:31:57,849 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 06:31:57,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 06:31:57,854 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 06:31:57,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:31:57" (1/1) ... [2020-09-25 06:31:57,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:31:57, skipping insertion in model container [2020-09-25 06:31:57,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:31:57" (1/1) ... [2020-09-25 06:31:57,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 06:31:57,918 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 06:31:58,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:31:58,445 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 06:31:58,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:31:58,629 INFO L208 MainTranslator]: Completed translation [2020-09-25 06:31:58,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:31:58 WrapperNode [2020-09-25 06:31:58,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 06:31:58,637 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 06:31:58,637 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 06:31:58,637 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 06:31:58,655 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:31:58" (1/1) ... [2020-09-25 06:31:58,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:31:58" (1/1) ... [2020-09-25 06:31:58,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:31:58" (1/1) ... [2020-09-25 06:31:58,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:31:58" (1/1) ... [2020-09-25 06:31:58,713 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:31:58" (1/1) ... [2020-09-25 06:31:58,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:31:58" (1/1) ... [2020-09-25 06:31:58,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:31:58" (1/1) ... [2020-09-25 06:31:58,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 06:31:58,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 06:31:58,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 06:31:58,739 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 06:31:58,741 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:31:58" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 06:31:58,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 06:31:58,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 06:31:58,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 06:31:58,828 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 06:31:58,828 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 06:31:58,828 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 06:31:58,828 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 06:31:58,830 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 06:31:58,830 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 06:31:58,830 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 06:31:58,830 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 06:31:58,830 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 06:31:58,830 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 06:31:58,831 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 06:31:58,831 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 06:31:58,832 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 06:31:58,832 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 06:31:58,832 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 06:31:58,832 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 06:31:58,833 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 06:31:58,833 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 06:31:58,833 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 06:31:58,833 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 06:31:58,834 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 06:31:58,834 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 06:31:58,835 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 06:31:58,835 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 06:31:58,835 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 06:31:58,835 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 06:31:58,835 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 06:31:58,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 06:31:58,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 06:31:58,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 06:31:58,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 06:31:58,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 06:31:58,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 06:31:58,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 06:31:58,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 06:31:58,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 06:31:58,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 06:31:58,837 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 06:31:58,837 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 06:31:58,837 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 06:31:58,838 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 06:31:58,838 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 06:31:58,839 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 06:31:58,839 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 06:31:58,839 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 06:31:58,839 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 06:31:58,840 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 06:31:58,840 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 06:31:58,840 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 06:31:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 06:31:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 06:31:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 06:31:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 06:31:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 06:31:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 06:31:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 06:31:58,842 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 06:31:58,842 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 06:31:58,842 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 06:31:58,842 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 06:31:58,842 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 06:31:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 06:31:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 06:31:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 06:31:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 06:31:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 06:31:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 06:31:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 06:31:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 06:31:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 06:31:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 06:31:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 06:31:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 06:31:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 06:31:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 06:31:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 06:31:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 06:31:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 06:31:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 06:31:58,848 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 06:31:58,849 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 06:31:58,849 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 06:31:58,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 06:31:58,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 06:31:58,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 06:31:58,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 06:31:58,851 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 06:31:58,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 06:31:58,851 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 06:31:58,851 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 06:31:58,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 06:31:58,852 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 06:31:58,852 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 06:31:58,852 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 06:31:58,852 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 06:31:58,852 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 06:31:58,852 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 06:31:58,852 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 06:31:58,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 06:31:58,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 06:31:58,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 06:32:00,036 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 06:32:00,036 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 06:32:00,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:32:00 BoogieIcfgContainer [2020-09-25 06:32:00,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 06:32:00,046 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 06:32:00,046 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 06:32:00,050 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 06:32:00,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 06:31:57" (1/3) ... [2020-09-25 06:32:00,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd31818 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:32:00, skipping insertion in model container [2020-09-25 06:32:00,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:31:58" (2/3) ... [2020-09-25 06:32:00,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd31818 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:32:00, skipping insertion in model container [2020-09-25 06:32:00,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:32:00" (3/3) ... [2020-09-25 06:32:00,055 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product56.cil.c [2020-09-25 06:32:00,067 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 06:32:00,079 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 06:32:00,104 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 06:32:00,139 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 06:32:00,139 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 06:32:00,139 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 06:32:00,139 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 06:32:00,140 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 06:32:00,140 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 06:32:00,140 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 06:32:00,140 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 06:32:00,172 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states. [2020-09-25 06:32:00,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 06:32:00,192 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:32:00,193 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 06:32:00,194 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:32:00,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:32:00,204 INFO L82 PathProgramCache]: Analyzing trace with hash -36898584, now seen corresponding path program 1 times [2020-09-25 06:32:00,215 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:32:00,216 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1907164572] [2020-09-25 06:32:00,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:32:00,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:00,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:00,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:02,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:02,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:05,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:05,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 06:32:05,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:32:05,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-09-25 06:32:05,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:05,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:05,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:05,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 06:32:05,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:05,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 06:32:06,217 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:32:06,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:32:06,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:06,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:06,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:06,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 06:32:06,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:06,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-09-25 06:32:06,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:06,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:06,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:06,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:06,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:06,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 06:32:06,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 06:32:06,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:06,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:06,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:06,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:06,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:06,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:06,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:06,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:06,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:06,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:06,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:06,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:06,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 06:32:06,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:06,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:06,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:06,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:06,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:06,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:32:06,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:06,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:06,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:06,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:06,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:06,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:06,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 06:32:06,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:06,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:06,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:06,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:06,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:06,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 06:32:06,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:06,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:06,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:06,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:06,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:06,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:06,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 06:32:06,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:06,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:06,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:06,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:06,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:06,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:06,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:06,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:06,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:06,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:06,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:06,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:06,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 06:32:06,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:06,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:06,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:06,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:32:06,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:06,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:06,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:06,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:06,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:06,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:06,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:06,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:06,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 06:32:06,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:06,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:06,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:06,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 06:32:06,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:06,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:32:06,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:06,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:06,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:06,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 06:32:06,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:06,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:06,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:32:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:06,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:06,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:06,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:06,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:06,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:06,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:06,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:06,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:06,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:06,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:06,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:06,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 06:32:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:06,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:06,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:06,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:06,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:06,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:32:06,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:06,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:06,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:06,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:32:06,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:06,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:06,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 06:32:06,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:06,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:06,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:06,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:06,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:06,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:32:06,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:06,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:06,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:06,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:32:06,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:06,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:06,575 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 06:32:06,576 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1907164572] [2020-09-25 06:32:06,579 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:32:06,579 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 06:32:06,580 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003977826] [2020-09-25 06:32:06,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 06:32:06,588 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:32:06,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 06:32:06,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 06:32:06,610 INFO L87 Difference]: Start difference. First operand 360 states. Second operand 4 states. [2020-09-25 06:32:08,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:32:08,358 INFO L93 Difference]: Finished difference Result 584 states and 687 transitions. [2020-09-25 06:32:08,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 06:32:08,360 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-25 06:32:08,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:32:08,381 INFO L225 Difference]: With dead ends: 584 [2020-09-25 06:32:08,381 INFO L226 Difference]: Without dead ends: 360 [2020-09-25 06:32:08,387 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 06:32:08,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-09-25 06:32:08,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 309. [2020-09-25 06:32:08,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2020-09-25 06:32:08,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 339 transitions. [2020-09-25 06:32:08,503 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 339 transitions. Word has length 160 [2020-09-25 06:32:08,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:32:08,505 INFO L479 AbstractCegarLoop]: Abstraction has 309 states and 339 transitions. [2020-09-25 06:32:08,505 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 06:32:08,505 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 339 transitions. [2020-09-25 06:32:08,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 06:32:08,510 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:32:08,510 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] [2020-09-25 06:32:08,511 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 06:32:08,511 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:32:08,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:32:08,512 INFO L82 PathProgramCache]: Analyzing trace with hash -1699569308, now seen corresponding path program 1 times [2020-09-25 06:32:08,512 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:32:08,512 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [560239761] [2020-09-25 06:32:08,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:32:08,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:08,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:08,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:10,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:10,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:11,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:13,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:13,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-25 06:32:13,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 06:32:13,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5048 [2020-09-25 06:32:13,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:13,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:13,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:32:13,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 06:32:13,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 06:32:13,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:13,963 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:32:13,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:32:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:14,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:14,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:14,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 06:32:14,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:14,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-09-25 06:32:14,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:14,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:14,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:14,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:14,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:14,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:14,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 06:32:14,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:14,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:14,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:14,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:14,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:14,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:14,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:14,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:14,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:14,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:14,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:14,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:14,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 06:32:14,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:14,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:14,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:14,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:14,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:14,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:14,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:14,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:14,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:14,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:14,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:14,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:14,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 06:32:14,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:14,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:14,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:14,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:14,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:14,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:32:14,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:14,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:14,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:14,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:14,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:14,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:14,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 06:32:14,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:14,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:14,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:14,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:14,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:14,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:14,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:14,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:14,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:14,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:14,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:14,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 06:32:14,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 06:32:14,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:14,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:14,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:14,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:32:14,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:14,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:14,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:14,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:14,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:14,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:14,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:14,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:14,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 06:32:14,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:14,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:14,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:14,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 06:32:14,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:14,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:32:14,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:14,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:14,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:14,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 06:32:14,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:14,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:14,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:32:14,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:14,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:14,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:14,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:14,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:14,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:14,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:14,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:14,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:14,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:14,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:14,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:14,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 06:32:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:14,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:14,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:14,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:14,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:14,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:32:14,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:14,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:14,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:14,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:32:14,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:14,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:14,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 06:32:14,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:14,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:14,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:14,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:14,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:14,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:14,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:14,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:14,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:14,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:32:14,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:14,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:14,265 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 06:32:14,266 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [560239761] [2020-09-25 06:32:14,266 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:32:14,266 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 06:32:14,267 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650822364] [2020-09-25 06:32:14,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 06:32:14,271 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:32:14,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 06:32:14,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 06:32:14,272 INFO L87 Difference]: Start difference. First operand 309 states and 339 transitions. Second operand 5 states. [2020-09-25 06:32:14,926 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 06:32:16,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:32:16,359 INFO L93 Difference]: Finished difference Result 503 states and 571 transitions. [2020-09-25 06:32:16,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 06:32:16,366 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-25 06:32:16,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:32:16,371 INFO L225 Difference]: With dead ends: 503 [2020-09-25 06:32:16,371 INFO L226 Difference]: Without dead ends: 349 [2020-09-25 06:32:16,376 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 06:32:16,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2020-09-25 06:32:16,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 299. [2020-09-25 06:32:16,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-09-25 06:32:16,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 326 transitions. [2020-09-25 06:32:16,438 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 326 transitions. Word has length 161 [2020-09-25 06:32:16,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:32:16,439 INFO L479 AbstractCegarLoop]: Abstraction has 299 states and 326 transitions. [2020-09-25 06:32:16,439 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 06:32:16,439 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 326 transitions. [2020-09-25 06:32:16,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-25 06:32:16,442 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:32:16,442 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] [2020-09-25 06:32:16,442 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 06:32:16,442 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:32:16,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:32:16,443 INFO L82 PathProgramCache]: Analyzing trace with hash 1512642209, now seen corresponding path program 1 times [2020-09-25 06:32:16,443 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:32:16,444 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1984181375] [2020-09-25 06:32:16,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:32:16,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:16,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:16,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:16,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:18,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:21,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:21,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-25 06:32:21,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:32:21,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-09-25 06:32:21,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:21,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:21,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:32:21,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-25 06:32:21,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 06:32:21,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:21,811 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:32:21,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:32:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:21,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:21,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:21,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 06:32:21,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:21,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-25 06:32:21,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:21,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:21,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:21,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:21,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:21,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:21,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 06:32:21,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:21,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:21,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:21,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:21,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:21,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:32:21,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:21,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:21,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:21,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:21,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:21,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:21,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 06:32:21,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:21,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:21,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:21,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:21,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:21,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:32:21,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:21,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:21,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:21,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:21,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:21,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:21,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 06:32:21,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:21,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:21,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:21,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:21,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:21,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:32:21,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:21,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:21,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:21,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:21,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:21,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:21,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 06:32:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:21,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:21,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:21,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:21,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:21,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:21,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:21,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:21,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:21,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:21,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:21,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:21,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 06:32:21,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:21,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:21,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:21,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:32:21,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:21,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:22,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:22,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:22,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:22,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:22,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:22,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:22,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 06:32:22,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:22,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:22,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:22,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:32:22,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:22,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:32:22,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:22,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:22,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:32:22,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:22,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 06:32:22,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:22,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 06:32:22,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:22,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:22,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:22,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 06:32:22,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:22,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 06:32:22,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:22,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:22,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:32:22,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:22,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 06:32:22,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:22,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:32:22,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:22,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:22,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:22,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:22,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:22,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 06:32:22,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:22,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:22,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:22,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:22,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:22,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 06:32:22,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-25 06:32:22,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:22,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:22,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:22,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:22,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:22,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:32:22,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:22,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:22,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:22,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:32:22,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:22,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:22,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-25 06:32:22,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:22,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:22,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:22,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:22,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:22,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:32:22,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:22,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:22,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:22,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:32:22,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:22,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:22,117 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 06:32:22,118 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1984181375] [2020-09-25 06:32:22,119 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:32:22,119 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 06:32:22,119 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111970610] [2020-09-25 06:32:22,121 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 06:32:22,121 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:32:22,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 06:32:22,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 06:32:22,125 INFO L87 Difference]: Start difference. First operand 299 states and 326 transitions. Second operand 6 states. [2020-09-25 06:32:22,648 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:32:25,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:32:25,232 INFO L93 Difference]: Finished difference Result 749 states and 870 transitions. [2020-09-25 06:32:25,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 06:32:25,233 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2020-09-25 06:32:25,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:32:25,238 INFO L225 Difference]: With dead ends: 749 [2020-09-25 06:32:25,238 INFO L226 Difference]: Without dead ends: 565 [2020-09-25 06:32:25,239 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 06:32:25,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2020-09-25 06:32:25,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 473. [2020-09-25 06:32:25,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2020-09-25 06:32:25,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 528 transitions. [2020-09-25 06:32:25,314 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 528 transitions. Word has length 174 [2020-09-25 06:32:25,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:32:25,315 INFO L479 AbstractCegarLoop]: Abstraction has 473 states and 528 transitions. [2020-09-25 06:32:25,315 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 06:32:25,315 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 528 transitions. [2020-09-25 06:32:25,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-25 06:32:25,319 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:32:25,319 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 06:32:25,320 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 06:32:25,320 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:32:25,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:32:25,320 INFO L82 PathProgramCache]: Analyzing trace with hash -159814954, now seen corresponding path program 1 times [2020-09-25 06:32:25,321 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:32:25,321 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [77818838] [2020-09-25 06:32:25,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:32:25,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:25,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:25,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:26,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:28,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:30,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:30,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-25 06:32:30,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:32:30,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-09-25 06:32:30,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:30,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:30,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 06:32:30,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-09-25 06:32:30,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-25 06:32:30,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:30,784 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:32:30,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:32:30,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:30,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:30,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:30,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 06:32:30,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:30,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-09-25 06:32:30,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:30,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:30,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:30,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:30,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:30,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:30,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 06:32:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:30,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:30,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:30,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:30,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:30,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:30,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:30,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:30,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:30,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:30,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:30,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:30,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 06:32:30,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:30,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:30,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:30,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:30,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:30,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:32:30,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:30,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:30,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:30,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:30,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:30,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:30,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 06:32:30,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:30,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:30,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:30,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:30,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:30,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:32:30,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:30,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:30,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:30,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:30,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:30,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:30,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 06:32:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:30,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:30,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:30,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:30,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:30,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:30,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:30,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:30,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:30,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:30,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:30,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:31,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 06:32:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:31,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:31,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:31,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:32:31,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:31,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:31,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:31,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:31,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:31,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:31,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:31,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:31,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 06:32:31,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:31,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:31,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:31,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:32:31,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:31,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 06:32:31,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:31,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:31,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:32:31,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:31,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 06:32:31,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:31,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 06:32:31,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:31,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:31,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:31,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 06:32:31,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:31,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 06:32:31,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:31,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:31,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:32:31,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:31,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 06:32:31,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:31,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:32:31,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:31,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:31,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:31,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:31,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:31,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:31,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:31,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:31,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:31,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:31,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:31,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:31,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-25 06:32:31,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:31,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:31,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:31,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:31,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:31,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 06:32:31,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:31,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:31,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:32:31,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:31,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:32:31,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:31,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-25 06:32:31,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:31,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:31,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:31,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:31,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:31,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 06:32:31,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:31,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:31,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 06:32:31,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:31,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:32:31,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:31,279 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 06:32:31,283 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [77818838] [2020-09-25 06:32:31,283 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:32:31,283 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 06:32:31,285 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096421556] [2020-09-25 06:32:31,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 06:32:31,286 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:32:31,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 06:32:31,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 06:32:31,288 INFO L87 Difference]: Start difference. First operand 473 states and 528 transitions. Second operand 10 states. [2020-09-25 06:32:32,022 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:32:33,033 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:32:33,351 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 06:32:34,524 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:32:34,868 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:32:35,243 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 06:32:35,859 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 06:32:36,176 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 06:32:36,513 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 06:32:37,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:32:37,506 INFO L93 Difference]: Finished difference Result 1118 states and 1339 transitions. [2020-09-25 06:32:37,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-25 06:32:37,507 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-09-25 06:32:37,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:32:37,513 INFO L225 Difference]: With dead ends: 1118 [2020-09-25 06:32:37,513 INFO L226 Difference]: Without dead ends: 760 [2020-09-25 06:32:37,515 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-25 06:32:37,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2020-09-25 06:32:37,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 673. [2020-09-25 06:32:37,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 673 states. [2020-09-25 06:32:37,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 760 transitions. [2020-09-25 06:32:37,602 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 760 transitions. Word has length 179 [2020-09-25 06:32:37,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:32:37,603 INFO L479 AbstractCegarLoop]: Abstraction has 673 states and 760 transitions. [2020-09-25 06:32:37,603 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 06:32:37,603 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 760 transitions. [2020-09-25 06:32:37,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-25 06:32:37,606 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:32:37,607 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:32:37,607 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 06:32:37,607 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:32:37,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:32:37,608 INFO L82 PathProgramCache]: Analyzing trace with hash 64355154, now seen corresponding path program 1 times [2020-09-25 06:32:37,608 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:32:37,608 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1166263946] [2020-09-25 06:32:37,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:32:37,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:37,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:38,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:38,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-09-25 06:32:38,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:38,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 809 [2020-09-25 06:32:38,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:38,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:38,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 06:32:38,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 211 [2020-09-25 06:32:38,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 06:32:38,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:32:38,764 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:32:38,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:32:38,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:38,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:38,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:38,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 06:32:38,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:38,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-25 06:32:38,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:38,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:38,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:38,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:38,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:38,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:38,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 06:32:38,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:38,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:38,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:38,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:38,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:38,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:38,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:38,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:38,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:38,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:38,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:38,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:38,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 06:32:38,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:38,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:38,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:38,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:38,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:38,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:38,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:38,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:38,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:38,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:38,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:38,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:38,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 06:32:38,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:38,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:38,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:38,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:38,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:38,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:32:38,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:38,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:38,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:38,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:38,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:38,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:38,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 06:32:38,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:38,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:38,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:38,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:32:38,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:38,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:38,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:38,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:38,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:38,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:38,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:38,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:38,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 06:32:38,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:38,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:38,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:38,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:32:38,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:38,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:38,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:38,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:38,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:38,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:38,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:38,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:38,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 06:32:38,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:38,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:38,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:38,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:32:38,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:38,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:32:38,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:38,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:38,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:38,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:38,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:38,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:32:38,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 06:32:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:38,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:38,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:38,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 06:32:38,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:38,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:38,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:38,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:38,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:38,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:38,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:38,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:38,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:32:38,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:38,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:38,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:38,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:38,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:38,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:38,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:38,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:38,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:38,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:38,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:38,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:39,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 06:32:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:39,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:39,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:39,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-25 06:32:39,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:39,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-09-25 06:32:39,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:39,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:39,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 06:32:39,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 06:32:39,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 06:32:39,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:32:39,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:32:39,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:39,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:39,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:39,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 06:32:39,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:39,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-25 06:32:39,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:39,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:39,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 06:32:39,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 06:32:39,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 06:32:39,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:32:39,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:32:39,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:39,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:39,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:39,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 06:32:39,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:39,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-25 06:32:39,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:39,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:39,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 06:32:39,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 06:32:39,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 06:32:39,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:39,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:32:39,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:39,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:39,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:39,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 06:32:39,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:39,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 06:32:39,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:39,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:39,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 06:32:39,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:39,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 06:32:39,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:39,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 06:32:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:39,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:39,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:39,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 06:32:39,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:39,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:32:39,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:39,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:39,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:39,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:32:39,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:39,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:39,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 06:32:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:39,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:39,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:39,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:32:39,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:39,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:32:39,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:39,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:39,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:39,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 06:32:39,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:39,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:39,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-25 06:32:39,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:39,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:39,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:39,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:39,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:39,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:39,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:39,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:39,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:39,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:32:39,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:39,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:32:39,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-25 06:32:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:39,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:39,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:39,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:32:39,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:39,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:32:39,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:39,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:39,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:32:39,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:32:39,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:32:39,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:32:39,405 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 06:32:39,406 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1166263946] [2020-09-25 06:32:39,406 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:32:39,406 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 06:32:39,406 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993923003] [2020-09-25 06:32:39,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 06:32:39,407 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:32:39,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 06:32:39,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 06:32:39,408 INFO L87 Difference]: Start difference. First operand 673 states and 760 transitions. Second operand 11 states. [2020-09-25 06:32:41,120 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 06:32:41,415 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 06:32:41,719 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 06:32:42,040 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 06:32:42,352 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 06:32:42,636 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 06:32:44,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:32:44,164 INFO L93 Difference]: Finished difference Result 1416 states and 1697 transitions. [2020-09-25 06:32:44,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 06:32:44,165 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 217 [2020-09-25 06:32:44,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:32:44,172 INFO L225 Difference]: With dead ends: 1416 [2020-09-25 06:32:44,172 INFO L226 Difference]: Without dead ends: 858 [2020-09-25 06:32:44,174 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-25 06:32:44,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2020-09-25 06:32:44,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 692. [2020-09-25 06:32:44,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 692 states. [2020-09-25 06:32:44,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 780 transitions. [2020-09-25 06:32:44,294 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 780 transitions. Word has length 217 [2020-09-25 06:32:44,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:32:44,294 INFO L479 AbstractCegarLoop]: Abstraction has 692 states and 780 transitions. [2020-09-25 06:32:44,294 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 06:32:44,295 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 780 transitions. [2020-09-25 06:32:44,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-25 06:32:44,300 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:32:44,300 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:32:44,300 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 06:32:44,301 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:32:44,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:32:44,301 INFO L82 PathProgramCache]: Analyzing trace with hash 2026418, now seen corresponding path program 1 times [2020-09-25 06:32:44,301 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:32:44,302 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2105959375] [2020-09-25 06:32:44,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:32:44,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:32:44,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:32:45,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:32:45,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-09-25 06:32:45,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:32:45,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 705 [2020-09-25 06:32:45,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:32:45,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:32:45,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 06:32:45,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 203 [2020-09-25 06:32:45,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 06:32:45,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0