/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=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 05:10:26,165 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 05:10:26,169 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 05:10:26,195 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 05:10:26,196 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 05:10:26,197 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 05:10:26,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 05:10:26,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 05:10:26,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 05:10:26,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 05:10:26,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 05:10:26,207 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 05:10:26,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 05:10:26,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 05:10:26,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 05:10:26,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 05:10:26,212 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 05:10:26,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 05:10:26,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 05:10:26,217 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 05:10:26,219 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 05:10:26,220 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 05:10:26,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 05:10:26,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 05:10:26,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 05:10:26,229 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 05:10:26,233 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 05:10:26,236 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 05:10:26,237 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 05:10:26,239 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 05:10:26,239 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 05:10:26,241 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 05:10:26,242 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 05:10:26,244 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 05:10:26,245 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 05:10:26,246 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 05:10:26,247 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 05:10:26,247 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 05:10:26,247 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 05:10:26,249 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 05:10:26,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 05:10:26,252 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 05:10:26,307 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 05:10:26,307 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 05:10:26,309 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 05:10:26,310 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 05:10:26,310 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 05:10:26,310 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 05:10:26,311 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 05:10:26,311 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 05:10:26,311 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 05:10:26,311 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 05:10:26,312 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 05:10:26,312 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 05:10:26,313 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 05:10:26,313 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 05:10:26,313 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 05:10:26,314 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 05:10:26,314 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 05:10:26,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 05:10:26,314 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 05:10:26,314 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 05:10:26,315 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 05:10:26,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:10:26,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 05:10:26,315 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 05:10:26,315 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 05:10:26,316 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 05:10:26,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 05:10:26,316 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 05:10:26,316 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 05:10:26,316 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=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; [2020-09-25 05:10:26,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 05:10:26,856 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 05:10:26,861 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 05:10:26,863 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 05:10:26,863 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 05:10:26,864 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product03.cil.c [2020-09-25 05:10:26,945 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/385fbc682/8064da7fdd5346e48aa5dec1ec49e81b/FLAG4e501d0fd [2020-09-25 05:10:27,529 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 05:10:27,530 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product03.cil.c [2020-09-25 05:10:27,547 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/385fbc682/8064da7fdd5346e48aa5dec1ec49e81b/FLAG4e501d0fd [2020-09-25 05:10:27,793 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/385fbc682/8064da7fdd5346e48aa5dec1ec49e81b [2020-09-25 05:10:27,807 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 05:10:27,814 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 05:10:27,815 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 05:10:27,815 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 05:10:27,820 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 05:10:27,821 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:10:27" (1/1) ... [2020-09-25 05:10:27,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c78ef90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:10:27, skipping insertion in model container [2020-09-25 05:10:27,826 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:10:27" (1/1) ... [2020-09-25 05:10:27,835 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 05:10:27,904 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 05:10:28,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:10:28,412 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 05:10:28,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:10:28,530 INFO L208 MainTranslator]: Completed translation [2020-09-25 05:10:28,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:10:28 WrapperNode [2020-09-25 05:10:28,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 05:10:28,532 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 05:10:28,532 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 05:10:28,532 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 05:10:28,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:10:28" (1/1) ... [2020-09-25 05:10:28,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:10:28" (1/1) ... [2020-09-25 05:10:28,571 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:10:28" (1/1) ... [2020-09-25 05:10:28,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:10:28" (1/1) ... [2020-09-25 05:10:28,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:10:28" (1/1) ... [2020-09-25 05:10:28,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:10:28" (1/1) ... [2020-09-25 05:10:28,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:10:28" (1/1) ... [2020-09-25 05:10:28,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 05:10:28,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 05:10:28,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 05:10:28,633 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 05:10:28,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:10:28" (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 05:10:28,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 05:10:28,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 05:10:28,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 05:10:28,736 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 05:10:28,736 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 05:10:28,736 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 05:10:28,737 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 05:10:28,738 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 05:10:28,738 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 05:10:28,738 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 05:10:28,738 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 05:10:28,738 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 05:10:28,738 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 05:10:28,739 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 05:10:28,739 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 05:10:28,740 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 05:10:28,740 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 05:10:28,740 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 05:10:28,740 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 05:10:28,741 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 05:10:28,741 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 05:10:28,741 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 05:10:28,742 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 05:10:28,742 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 05:10:28,742 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 05:10:28,743 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 05:10:28,743 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 05:10:28,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 05:10:28,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 05:10:28,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 05:10:28,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 05:10:28,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 05:10:28,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 05:10:28,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 05:10:28,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 05:10:28,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 05:10:28,746 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 05:10:28,746 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 05:10:28,746 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 05:10:28,746 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 05:10:28,747 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 05:10:28,747 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 05:10:28,747 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 05:10:28,747 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 05:10:28,747 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 05:10:28,748 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 05:10:28,748 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 05:10:28,748 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 05:10:28,748 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 05:10:28,749 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 05:10:28,749 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 05:10:28,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 05:10:28,749 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 05:10:28,749 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 05:10:28,750 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 05:10:28,750 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 05:10:28,750 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 05:10:28,750 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 05:10:28,750 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 05:10:28,750 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 05:10:28,751 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 05:10:28,751 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 05:10:28,751 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 05:10:28,751 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 05:10:28,752 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 05:10:28,752 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 05:10:28,752 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 05:10:28,752 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 05:10:28,752 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 05:10:28,753 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 05:10:28,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 05:10:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 05:10:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 05:10:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 05:10:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 05:10:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 05:10:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 05:10:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 05:10:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 05:10:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 05:10:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 05:10:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 05:10:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 05:10:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 05:10:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 05:10:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 05:10:29,913 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 05:10:29,913 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 05:10:29,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:10:29 BoogieIcfgContainer [2020-09-25 05:10:29,921 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 05:10:29,923 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 05:10:29,923 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 05:10:29,927 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 05:10:29,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:10:27" (1/3) ... [2020-09-25 05:10:29,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7084d53a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:10:29, skipping insertion in model container [2020-09-25 05:10:29,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:10:28" (2/3) ... [2020-09-25 05:10:29,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7084d53a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:10:29, skipping insertion in model container [2020-09-25 05:10:29,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:10:29" (3/3) ... [2020-09-25 05:10:29,931 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product03.cil.c [2020-09-25 05:10:29,943 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 05:10:29,955 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 05:10:29,978 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 05:10:30,012 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 05:10:30,012 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 05:10:30,012 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 05:10:30,012 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 05:10:30,012 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 05:10:30,013 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 05:10:30,013 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 05:10:30,013 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 05:10:30,042 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states. [2020-09-25 05:10:30,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 05:10:30,058 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:10:30,060 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:10:30,060 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:10:30,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:10:30,067 INFO L82 PathProgramCache]: Analyzing trace with hash -1307881097, now seen corresponding path program 1 times [2020-09-25 05:10:30,077 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:10:30,078 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1756708234] [2020-09-25 05:10:30,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:10:30,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:10:30,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:30,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:32,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:33,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:34,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:35,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:35,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:10:35,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 05:10:35,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 05:10:35,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-09-25 05:10:35,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:10:35,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:10:35,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:10:35,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 05:10:35,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:10:35,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-09-25 05:10:36,012 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:10:36,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:10:36,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:10:36,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:36,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:10:36,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:10:36,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:10:36,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-09-25 05:10:36,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:10:36,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:10:36,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:10:36,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:10:36,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:10:36,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:10:36,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:10:36,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:10:36,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:36,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:10:36,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:10:36,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:10:36,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:10:36,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:10:36,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:10:36,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:10:36,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:10:36,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:10:36,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:10:36,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:10:36,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:10:36,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:36,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:10:36,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:10:36,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:10:36,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:10:36,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:10:36,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:10:36,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:10:36,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:10:36,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:10:36,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:10:36,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:10:36,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:10:36,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:36,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:10:36,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:10:36,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:10:36,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:10:36,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:10:36,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:10:36,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:10:36,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:10:36,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:10:36,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:10:36,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:10:36,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:10:36,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:36,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:10:36,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:10:36,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:10:36,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:10:36,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:10:36,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:10:36,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:10:36,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:10:36,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:10:36,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:10:36,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:10:36,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:10:36,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:36,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:10:36,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:10:36,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:10:36,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:10:36,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:10:36,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:10:36,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:10:36,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:10:36,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:10:36,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:10:36,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 05:10:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:10:36,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:36,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:10:36,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:10:36,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:10:36,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:10:36,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:10:36,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:10:36,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:10:36,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:10:36,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:10:36,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:10:36,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 05:10:36,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:10:36,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:36,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:10:36,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:10:36,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:10:36,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:10:36,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:10:36,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:10:36,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:10:36,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:10:36,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:10:36,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:10:36,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:10:36,395 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1756708234] [2020-09-25 05:10:36,397 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:10:36,398 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 05:10:36,399 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79660661] [2020-09-25 05:10:36,409 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 05:10:36,410 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:10:36,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 05:10:36,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 05:10:36,430 INFO L87 Difference]: Start difference. First operand 265 states. Second operand 4 states. [2020-09-25 05:10:37,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:10:37,766 INFO L93 Difference]: Finished difference Result 377 states and 450 transitions. [2020-09-25 05:10:37,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 05:10:37,773 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-09-25 05:10:37,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:10:37,804 INFO L225 Difference]: With dead ends: 377 [2020-09-25 05:10:37,804 INFO L226 Difference]: Without dead ends: 254 [2020-09-25 05:10:37,812 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 05:10:37,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-09-25 05:10:37,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 208. [2020-09-25 05:10:37,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2020-09-25 05:10:37,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 223 transitions. [2020-09-25 05:10:37,983 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 223 transitions. Word has length 148 [2020-09-25 05:10:37,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:10:37,986 INFO L479 AbstractCegarLoop]: Abstraction has 208 states and 223 transitions. [2020-09-25 05:10:37,986 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 05:10:37,987 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 223 transitions. [2020-09-25 05:10:37,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-25 05:10:37,999 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:10:38,001 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:10:38,002 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 05:10:38,003 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:10:38,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:10:38,003 INFO L82 PathProgramCache]: Analyzing trace with hash 1585340961, now seen corresponding path program 1 times [2020-09-25 05:10:38,003 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:10:38,004 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2115641421] [2020-09-25 05:10:38,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:10:38,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:10:38,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:38,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:39,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:40,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:42,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:43,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:10:43,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-09-25 05:10:43,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:10:43,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-09-25 05:10:43,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:10:43,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:10:43,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:10:43,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 05:10:43,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 05:10:43,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:10:43,510 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:10:43,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:10:43,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:10:43,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:43,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:10:43,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:10:43,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:10:43,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-09-25 05:10:43,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:10:43,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:10:43,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:10:43,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:10:43,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:10:43,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:10:43,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:10:43,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:10:43,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:43,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:10:43,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:10:43,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:10:43,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:10:43,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:10:43,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:10:43,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:10:43,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:10:43,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:10:43,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:10:43,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:10:43,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:10:43,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:43,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:10:43,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:10:43,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:10:43,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:10:43,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:10:43,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:10:43,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:10:43,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:10:43,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:10:43,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:10:43,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:10:43,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:10:43,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:43,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:10:43,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:10:43,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:10:43,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:10:43,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:10:43,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:10:43,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:10:43,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:10:43,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:10:43,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:10:43,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:10:43,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:10:43,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:43,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:10:43,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:10:43,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:10:43,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:10:43,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:10:43,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:10:43,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:10:43,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:10:43,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:10:43,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:10:43,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:10:43,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:10:43,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:43,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:10:43,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:10:43,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:10:43,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:10:43,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:10:43,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:10:43,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:10:43,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:10:43,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:10:43,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:10:43,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-25 05:10:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:10:43,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:43,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:10:43,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:10:43,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:10:43,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:10:43,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:10:43,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:10:43,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:10:43,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:10:43,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:10:43,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:10:43,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 05:10:43,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:10:43,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:43,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:10:43,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:10:43,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:10:43,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:10:43,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:10:43,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:10:43,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:10:43,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:10:43,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:10:43,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:10:43,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:10:43,769 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2115641421] [2020-09-25 05:10:43,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:10:43,770 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 05:10:43,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119038783] [2020-09-25 05:10:43,773 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 05:10:43,774 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:10:43,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 05:10:43,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 05:10:43,774 INFO L87 Difference]: Start difference. First operand 208 states and 223 transitions. Second operand 5 states. [2020-09-25 05:10:44,462 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:10:45,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:10:45,097 INFO L93 Difference]: Finished difference Result 297 states and 335 transitions. [2020-09-25 05:10:45,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 05:10:45,097 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-09-25 05:10:45,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:10:45,102 INFO L225 Difference]: With dead ends: 297 [2020-09-25 05:10:45,103 INFO L226 Difference]: Without dead ends: 243 [2020-09-25 05:10:45,104 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:10:45,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2020-09-25 05:10:45,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 198. [2020-09-25 05:10:45,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2020-09-25 05:10:45,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 210 transitions. [2020-09-25 05:10:45,161 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 210 transitions. Word has length 149 [2020-09-25 05:10:45,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:10:45,162 INFO L479 AbstractCegarLoop]: Abstraction has 198 states and 210 transitions. [2020-09-25 05:10:45,162 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 05:10:45,162 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 210 transitions. [2020-09-25 05:10:45,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-09-25 05:10:45,167 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:10:45,167 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:10:45,168 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 05:10:45,168 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:10:45,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:10:45,168 INFO L82 PathProgramCache]: Analyzing trace with hash -1486029073, now seen corresponding path program 1 times [2020-09-25 05:10:45,170 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:10:45,170 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1064918051] [2020-09-25 05:10:45,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:10:45,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:10:45,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:45,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:46,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:48,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:49,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:50,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:10:50,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-09-25 05:10:50,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:10:50,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-09-25 05:10:50,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:10:50,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:10:50,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 05:10:50,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 05:10:50,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 05:10:50,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:10:50,674 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:10:50,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:10:50,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:10:50,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:50,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:10:50,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:10:50,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:10:50,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 250 [2020-09-25 05:10:50,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:10:50,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:10:50,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:10:50,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:10:50,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 05:10:50,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:10:51,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:10:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:10:51,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:51,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:10:51,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:10:51,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:10:51,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:10:51,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:10:51,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:10:51,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:10:51,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:10:51,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:10:51,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:10:51,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:10:51,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:10:51,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:51,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:10:51,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:10:51,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:10:51,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:10:51,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:10:51,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:10:51,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:10:51,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:10:51,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:10:51,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:10:51,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:10:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:10:51,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:51,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:10:51,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:10:51,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:10:51,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 05:10:51,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:10:51,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:10:51,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:10:51,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:10:51,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:10:51,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:10:51,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:10:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:10:51,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:51,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:10:51,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:10:51,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:10:51,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:10:51,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:10:51,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:10:51,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:10:51,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:10:51,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:10:51,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:10:51,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:10:51,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:10:51,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:51,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:10:51,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:10:51,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:10:51,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:10:51,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:10:51,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:10:51,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:10:51,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:10:51,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 05:10:51,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:10:51,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 05:10:51,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:10:51,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:51,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:10:51,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:10:51,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:10:51,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:10:51,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:10:51,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:10:51,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:10:51,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:10:51,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:10:51,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:10:51,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-09-25 05:10:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:10:51,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:51,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:10:51,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:10:51,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:10:51,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:10:51,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:10:51,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:10:51,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:10:51,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:10:51,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:10:51,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:10:51,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:10:51,182 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1064918051] [2020-09-25 05:10:51,182 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:10:51,183 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 05:10:51,183 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466190469] [2020-09-25 05:10:51,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 05:10:51,184 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:10:51,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 05:10:51,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 05:10:51,185 INFO L87 Difference]: Start difference. First operand 198 states and 210 transitions. Second operand 6 states. [2020-09-25 05:10:51,702 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:10:52,574 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:10:53,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:10:53,741 INFO L93 Difference]: Finished difference Result 501 states and 581 transitions. [2020-09-25 05:10:53,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 05:10:53,742 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 158 [2020-09-25 05:10:53,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:10:53,750 INFO L225 Difference]: With dead ends: 501 [2020-09-25 05:10:53,750 INFO L226 Difference]: Without dead ends: 418 [2020-09-25 05:10:53,752 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-09-25 05:10:53,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2020-09-25 05:10:53,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 337. [2020-09-25 05:10:53,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2020-09-25 05:10:53,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 372 transitions. [2020-09-25 05:10:53,825 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 372 transitions. Word has length 158 [2020-09-25 05:10:53,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:10:53,826 INFO L479 AbstractCegarLoop]: Abstraction has 337 states and 372 transitions. [2020-09-25 05:10:53,826 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 05:10:53,827 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 372 transitions. [2020-09-25 05:10:53,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 05:10:53,829 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:10:53,829 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:10:53,829 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 05:10:53,829 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:10:53,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:10:53,830 INFO L82 PathProgramCache]: Analyzing trace with hash -525261606, now seen corresponding path program 1 times [2020-09-25 05:10:53,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:10:53,830 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [561983787] [2020-09-25 05:10:53,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:10:53,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:10:53,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:54,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:55,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:56,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:58,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:10:58,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-09-25 05:10:58,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:10:58,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-09-25 05:10:58,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:10:58,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:10:58,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 05:10:58,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-09-25 05:10:58,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-25 05:10:58,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:10:59,300 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:10:59,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:10:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:10:59,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:59,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:10:59,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:10:59,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:10:59,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-09-25 05:10:59,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:10:59,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:10:59,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:10:59,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:10:59,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:10:59,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:10:59,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:10:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:10:59,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:59,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:10:59,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:10:59,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:10:59,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:10:59,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:10:59,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:10:59,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:10:59,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:10:59,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:10:59,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:10:59,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:10:59,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:10:59,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:59,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:10:59,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:10:59,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:10:59,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:10:59,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:10:59,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:10:59,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:10:59,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:10:59,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:10:59,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:10:59,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:10:59,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:10:59,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:59,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:10:59,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:10:59,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:10:59,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:10:59,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:10:59,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:10:59,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:10:59,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:10:59,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:10:59,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:10:59,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:10:59,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:10:59,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:59,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:10:59,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:10:59,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:10:59,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:10:59,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:10:59,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:10:59,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:10:59,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:10:59,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:10:59,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:10:59,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:10:59,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:10:59,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:59,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:10:59,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:10:59,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:10:59,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:10:59,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:10:59,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:10:59,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:10:59,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:10:59,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 05:10:59,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 05:10:59,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 05:10:59,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:10:59,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:59,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:10:59,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:10:59,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:10:59,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:10:59,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:10:59,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:10:59,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:10:59,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:10:59,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:10:59,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:10:59,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 05:10:59,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:10:59,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:59,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:10:59,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:10:59,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:10:59,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:10:59,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:10:59,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:10:59,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:10:59,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:10:59,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:10:59,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:10:59,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 05:10:59,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:10:59,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:10:59,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:10:59,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:10:59,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:10:59,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:10:59,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:10:59,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:10:59,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:10:59,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:10:59,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:10:59,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:10:59,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:10:59,530 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [561983787] [2020-09-25 05:10:59,530 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:10:59,531 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 05:10:59,531 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538673674] [2020-09-25 05:10:59,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 05:10:59,532 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:10:59,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 05:10:59,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 05:10:59,532 INFO L87 Difference]: Start difference. First operand 337 states and 372 transitions. Second operand 5 states. [2020-09-25 05:11:00,189 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:11:01,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:11:01,732 INFO L93 Difference]: Finished difference Result 702 states and 844 transitions. [2020-09-25 05:11:01,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 05:11:01,733 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-25 05:11:01,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:11:01,740 INFO L225 Difference]: With dead ends: 702 [2020-09-25 05:11:01,740 INFO L226 Difference]: Without dead ends: 699 [2020-09-25 05:11:01,742 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:11:01,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2020-09-25 05:11:01,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 565. [2020-09-25 05:11:01,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 565 states. [2020-09-25 05:11:01,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 641 transitions. [2020-09-25 05:11:01,850 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 641 transitions. Word has length 161 [2020-09-25 05:11:01,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:11:01,851 INFO L479 AbstractCegarLoop]: Abstraction has 565 states and 641 transitions. [2020-09-25 05:11:01,851 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 05:11:01,851 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 641 transitions. [2020-09-25 05:11:01,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-09-25 05:11:01,855 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:11:01,855 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-25 05:11:01,856 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 05:11:01,856 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:11:01,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:11:01,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1655612486, now seen corresponding path program 1 times [2020-09-25 05:11:01,857 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:11:01,857 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2046723782] [2020-09-25 05:11:01,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:11:01,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:01,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:02,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:03,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:04,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:06,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:06,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-09-25 05:11:06,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:11:06,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-09-25 05:11:06,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:06,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:06,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:11:06,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-25 05:11:06,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-25 05:11:06,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:07,208 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:11:07,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:11:07,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:07,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:07,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:07,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:11:07,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:07,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-09-25 05:11:07,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:07,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:07,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:11:07,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:07,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:11:07,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:11:07,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:11:07,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:07,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:07,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:07,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:11:07,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:07,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:11:07,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:07,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:07,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:11:07,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:07,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:11:07,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:07,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:11:07,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:07,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:07,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:07,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:11:07,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:07,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:11:07,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:07,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:07,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:11:07,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:07,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:11:07,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:07,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:11:07,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:07,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:07,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:07,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:11:07,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:07,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:11:07,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:07,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:07,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:11:07,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:07,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:11:07,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:07,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:11:07,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:07,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:07,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:07,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:11:07,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:07,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:11:07,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:07,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:07,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:11:07,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:07,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:11:07,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:07,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:11:07,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:07,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:07,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:07,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:11:07,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:07,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:11:07,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:07,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:07,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:11:07,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:07,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:11:07,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:07,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 05:11:07,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:07,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:07,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:07,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-25 05:11:07,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:07,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-25 05:11:07,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:07,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:07,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:11:07,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 05:11:07,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-25 05:11:07,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:07,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:11:07,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:07,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:07,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:07,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:11:07,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:07,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:11:07,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:07,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:07,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:11:07,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:07,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:11:07,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:11:07,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-25 05:11:07,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:07,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:07,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:07,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 05:11:07,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:07,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-25 05:11:07,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:07,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:07,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:11:07,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 05:11:07,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 05:11:07,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:07,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:11:07,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:07,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:07,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:07,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:11:07,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:07,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:11:07,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:07,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:07,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:11:07,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:07,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:11:07,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:07,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 05:11:07,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:07,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:07,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:07,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:11:07,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:07,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:11:07,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:07,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:07,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 05:11:07,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:07,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 05:11:07,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:07,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 05:11:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:07,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:07,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:07,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:11:07,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:07,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:11:07,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:07,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:07,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:11:07,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-25 05:11:07,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:11:07,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:07,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-09-25 05:11:07,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:07,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:07,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:07,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:11:07,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:07,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:11:07,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:07,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:07,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:11:07,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:11:07,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:11:07,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:07,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-09-25 05:11:07,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:07,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:07,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:07,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:11:07,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:07,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:11:07,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:07,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:07,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:11:07,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:11:07,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:11:07,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:11:07,712 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-09-25 05:11:07,712 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2046723782] [2020-09-25 05:11:07,713 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 05:11:07,713 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-25 05:11:07,713 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596727964] [2020-09-25 05:11:07,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 05:11:07,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:11:07,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 05:11:07,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-09-25 05:11:07,715 INFO L87 Difference]: Start difference. First operand 565 states and 641 transitions. Second operand 11 states. [2020-09-25 05:11:08,263 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:11:09,712 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-25 05:11:10,312 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-25 05:11:10,915 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 05:11:11,512 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2020-09-25 05:11:12,093 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 05:11:12,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:11:12,342 INFO L93 Difference]: Finished difference Result 820 states and 978 transitions. [2020-09-25 05:11:12,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 05:11:12,344 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 210 [2020-09-25 05:11:12,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:11:12,345 INFO L225 Difference]: With dead ends: 820 [2020-09-25 05:11:12,345 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 05:11:12,349 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-09-25 05:11:12,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 05:11:12,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 05:11:12,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 05:11:12,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 05:11:12,350 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 210 [2020-09-25 05:11:12,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:11:12,351 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 05:11:12,351 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 05:11:12,351 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 05:11:12,351 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 05:11:12,351 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 05:11:12,354 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 05:11:12,826 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-25 05:11:13,163 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-25 05:11:13,486 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-25 05:11:13,792 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193