/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=0.2 --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_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 04:04:51,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 04:04:51,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 04:04:51,178 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 04:04:51,178 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 04:04:51,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 04:04:51,181 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 04:04:51,183 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 04:04:51,185 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 04:04:51,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 04:04:51,187 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 04:04:51,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 04:04:51,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 04:04:51,190 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 04:04:51,191 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 04:04:51,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 04:04:51,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 04:04:51,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 04:04:51,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 04:04:51,199 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 04:04:51,201 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 04:04:51,202 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 04:04:51,203 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 04:04:51,204 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 04:04:51,210 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 04:04:51,211 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 04:04:51,211 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 04:04:51,212 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 04:04:51,212 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 04:04:51,216 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 04:04:51,216 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 04:04:51,217 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 04:04:51,218 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 04:04:51,219 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 04:04:51,221 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 04:04:51,221 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 04:04:51,222 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 04:04:51,222 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 04:04:51,222 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 04:04:51,224 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 04:04:51,226 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 04:04:51,227 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 04:04:51,287 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 04:04:51,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 04:04:51,288 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 04:04:51,289 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 04:04:51,290 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 04:04:51,290 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 04:04:51,290 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 04:04:51,290 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 04:04:51,290 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 04:04:51,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 04:04:51,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 04:04:51,291 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 04:04:51,291 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 04:04:51,292 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 04:04:51,292 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 04:04:51,292 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 04:04:51,292 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 04:04:51,292 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 04:04:51,293 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 04:04:51,293 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 04:04:51,293 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 04:04:51,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 04:04:51,293 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 04:04:51,294 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 04:04:51,295 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 04:04:51,295 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 04:04:51,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 04:04:51,296 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 04:04:51,296 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 04:04:51,296 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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;log-additional-information=true; [2020-09-25 04:04:51,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 04:04:51,811 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 04:04:51,816 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 04:04:51,818 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 04:04:51,819 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 04:04:51,820 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product53.cil.c [2020-09-25 04:04:51,893 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4c1087d0f/79fa7d1367b64de8a17155ca32b57752/FLAGcd02316b4 [2020-09-25 04:04:52,555 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 04:04:52,556 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product53.cil.c [2020-09-25 04:04:52,586 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4c1087d0f/79fa7d1367b64de8a17155ca32b57752/FLAGcd02316b4 [2020-09-25 04:04:52,831 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4c1087d0f/79fa7d1367b64de8a17155ca32b57752 [2020-09-25 04:04:52,845 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 04:04:52,850 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 04:04:52,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 04:04:52,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 04:04:52,855 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 04:04:52,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:04:52" (1/1) ... [2020-09-25 04:04:52,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78532141 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:04:52, skipping insertion in model container [2020-09-25 04:04:52,862 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:04:52" (1/1) ... [2020-09-25 04:04:52,871 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 04:04:52,933 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 04:04:53,396 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:04:53,519 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 04:04:53,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:04:53,676 INFO L208 MainTranslator]: Completed translation [2020-09-25 04:04:53,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:04:53 WrapperNode [2020-09-25 04:04:53,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 04:04:53,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 04:04:53,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 04:04:53,678 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 04:04:53,695 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:04:53" (1/1) ... [2020-09-25 04:04:53,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:04:53" (1/1) ... [2020-09-25 04:04:53,717 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:04:53" (1/1) ... [2020-09-25 04:04:53,718 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:04:53" (1/1) ... [2020-09-25 04:04:53,773 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:04:53" (1/1) ... [2020-09-25 04:04:53,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:04:53" (1/1) ... [2020-09-25 04:04:53,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:04:53" (1/1) ... [2020-09-25 04:04:53,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 04:04:53,799 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 04:04:53,800 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 04:04:53,800 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 04:04:53,801 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:04:53" (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 04:04:53,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 04:04:53,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 04:04:53,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 04:04:53,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 04:04:53,907 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 04:04:53,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 04:04:53,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 04:04:53,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 04:04:53,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 04:04:53,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 04:04:53,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 04:04:53,909 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 04:04:53,909 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 04:04:53,910 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 04:04:53,910 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 04:04:53,911 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 04:04:53,911 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 04:04:53,912 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 04:04:53,912 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 04:04:53,912 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 04:04:53,912 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 04:04:53,913 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 04:04:53,914 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 04:04:53,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 04:04:53,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 04:04:53,915 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 04:04:53,915 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 04:04:53,915 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 04:04:53,916 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 04:04:53,916 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 04:04:53,916 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 04:04:53,916 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 04:04:53,916 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 04:04:53,916 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 04:04:53,917 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 04:04:53,917 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 04:04:53,917 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 04:04:53,917 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 04:04:53,917 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 04:04:53,917 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 04:04:53,917 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 04:04:53,918 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 04:04:53,918 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 04:04:53,918 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 04:04:53,918 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 04:04:53,919 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 04:04:53,919 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 04:04:53,919 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 04:04:53,919 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 04:04:53,920 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 04:04:53,920 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 04:04:53,920 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 04:04:53,921 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 04:04:53,922 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 04:04:53,922 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 04:04:53,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 04:04:53,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 04:04:53,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 04:04:53,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 04:04:53,923 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 04:04:53,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 04:04:53,923 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 04:04:53,923 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 04:04:53,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 04:04:53,924 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 04:04:53,924 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 04:04:53,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 04:04:53,924 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 04:04:53,924 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 04:04:53,925 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 04:04:53,925 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 04:04:53,927 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 04:04:53,927 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 04:04:53,928 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 04:04:53,928 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 04:04:53,928 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 04:04:53,928 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 04:04:53,928 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 04:04:53,929 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 04:04:53,929 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 04:04:53,929 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 04:04:53,929 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 04:04:53,930 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 04:04:53,930 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 04:04:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 04:04:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 04:04:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 04:04:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 04:04:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 04:04:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 04:04:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 04:04:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 04:04:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 04:04:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 04:04:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 04:04:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 04:04:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 04:04:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 04:04:55,189 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 04:04:55,189 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 04:04:55,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:04:55 BoogieIcfgContainer [2020-09-25 04:04:55,197 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 04:04:55,199 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 04:04:55,199 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 04:04:55,203 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 04:04:55,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 04:04:52" (1/3) ... [2020-09-25 04:04:55,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73d0e192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:04:55, skipping insertion in model container [2020-09-25 04:04:55,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:04:53" (2/3) ... [2020-09-25 04:04:55,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73d0e192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:04:55, skipping insertion in model container [2020-09-25 04:04:55,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:04:55" (3/3) ... [2020-09-25 04:04:55,207 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product53.cil.c [2020-09-25 04:04:55,219 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 04:04:55,231 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 04:04:55,255 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 04:04:55,290 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 04:04:55,290 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 04:04:55,291 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 04:04:55,291 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 04:04:55,291 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 04:04:55,291 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 04:04:55,291 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 04:04:55,291 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 04:04:55,323 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states. [2020-09-25 04:04:55,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 04:04:55,342 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:04:55,344 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 04:04:55,345 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:04:55,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:04:55,353 INFO L82 PathProgramCache]: Analyzing trace with hash 1512755977, now seen corresponding path program 1 times [2020-09-25 04:04:55,365 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:04:55,366 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1070518813] [2020-09-25 04:04:55,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:04:55,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:04:55,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:56,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:56,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:57,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:04:58,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:00,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:00,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 04:05:00,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:05:00,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-09-25 04:05:00,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:00,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:00,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:00,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 04:05:00,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:00,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 14 [2020-09-25 04:05:01,262 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:05:01,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:05:01,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:01,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:01,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:01,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:05:01,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:01,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-09-25 04:05:01,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:01,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:01,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:01,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:01,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:01,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:01,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:05:01,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:01,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:01,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:01,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:05:01,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:01,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 04:05:01,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:01,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:01,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:01,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:01,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:01,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:01,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:05:01,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:01,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:01,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:01,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:05:01,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:01,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:05:01,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:01,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:01,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:01,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:01,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:01,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:01,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:05:01,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:01,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:01,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:01,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:05:01,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:01,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 04:05:01,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:01,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:01,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:01,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:01,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:01,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:01,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:05:01,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:01,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:01,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:01,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:05:01,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:01,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:05:01,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:01,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:01,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:01,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:01,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:01,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:01,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:05:01,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:01,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:01,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:01,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:05:01,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:01,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:05:01,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:01,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:01,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:01,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:01,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:01,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:01,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 04:05:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:01,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:01,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:01,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:05:01,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:01,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:05:01,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:01,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:01,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:01,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:05:01,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:01,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:01,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 04:05:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:01,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:01,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:01,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:05:01,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:01,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:05:01,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:01,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:01,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:01,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:05:01,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:01,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:01,633 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 04:05:01,634 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1070518813] [2020-09-25 04:05:01,641 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:05:01,641 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 04:05:01,642 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943162511] [2020-09-25 04:05:01,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 04:05:01,652 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:05:01,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 04:05:01,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 04:05:01,676 INFO L87 Difference]: Start difference. First operand 341 states. Second operand 4 states. [2020-09-25 04:05:03,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:05:03,370 INFO L93 Difference]: Finished difference Result 544 states and 644 transitions. [2020-09-25 04:05:03,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 04:05:03,372 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-09-25 04:05:03,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:05:03,404 INFO L225 Difference]: With dead ends: 544 [2020-09-25 04:05:03,405 INFO L226 Difference]: Without dead ends: 339 [2020-09-25 04:05:03,416 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 04:05:03,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2020-09-25 04:05:03,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 290. [2020-09-25 04:05:03,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2020-09-25 04:05:03,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 318 transitions. [2020-09-25 04:05:03,613 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 318 transitions. Word has length 148 [2020-09-25 04:05:03,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:05:03,617 INFO L479 AbstractCegarLoop]: Abstraction has 290 states and 318 transitions. [2020-09-25 04:05:03,617 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 04:05:03,617 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 318 transitions. [2020-09-25 04:05:03,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-25 04:05:03,632 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:05:03,632 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 04:05:03,632 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 04:05:03,633 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:05:03,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:05:03,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1077192285, now seen corresponding path program 1 times [2020-09-25 04:05:03,634 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:05:03,634 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1441476727] [2020-09-25 04:05:03,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:05:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:03,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:03,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:04,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:05,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:05,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:07,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:08,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:08,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-09-25 04:05:08,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 04:05:08,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-09-25 04:05:08,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:08,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:08,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:05:08,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 04:05:08,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-25 04:05:08,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:09,035 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:05:09,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:05:09,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:09,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:09,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:09,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:05:09,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:09,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 296 [2020-09-25 04:05:09,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:09,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:09,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:05:09,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:09,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 04:05:09,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:09,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:05:09,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:09,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:09,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:09,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:05:09,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:09,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:05:09,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:09,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:09,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:05:09,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:09,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:05:09,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:09,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:05:09,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:09,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:09,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:09,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:05:09,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:09,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:05:09,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:09,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:09,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:05:09,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:09,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:05:09,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:09,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:05:09,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:09,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:09,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:09,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:05:09,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:09,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 04:05:09,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:09,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:09,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:05:09,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:09,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:05:09,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:09,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:05:09,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:09,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:09,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:09,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:05:09,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:09,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:05:09,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:09,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:09,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:05:09,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:09,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:05:09,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:09,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:05:09,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:09,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:09,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:09,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:05:09,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:09,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:05:09,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:09,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:09,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:05:09,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:09,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 04:05:09,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:09,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-25 04:05:09,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:09,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:09,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:09,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:05:09,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:09,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:05:09,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:09,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:09,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:09,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:05:09,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:09,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:09,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 04:05:09,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:09,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:09,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:09,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:05:09,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:09,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:05:09,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:09,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:09,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:09,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:05:09,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:09,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:09,552 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 04:05:09,552 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1441476727] [2020-09-25 04:05:09,553 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:05:09,553 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 04:05:09,553 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455820256] [2020-09-25 04:05:09,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 04:05:09,556 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:05:09,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 04:05:09,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 04:05:09,556 INFO L87 Difference]: Start difference. First operand 290 states and 318 transitions. Second operand 5 states. [2020-09-25 04:05:10,199 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:05:11,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:05:11,693 INFO L93 Difference]: Finished difference Result 514 states and 595 transitions. [2020-09-25 04:05:11,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 04:05:11,693 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-09-25 04:05:11,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:05:11,697 INFO L225 Difference]: With dead ends: 514 [2020-09-25 04:05:11,697 INFO L226 Difference]: Without dead ends: 339 [2020-09-25 04:05:11,699 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 04:05:11,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2020-09-25 04:05:11,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 290. [2020-09-25 04:05:11,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2020-09-25 04:05:11,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 317 transitions. [2020-09-25 04:05:11,752 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 317 transitions. Word has length 149 [2020-09-25 04:05:11,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:05:11,753 INFO L479 AbstractCegarLoop]: Abstraction has 290 states and 317 transitions. [2020-09-25 04:05:11,753 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 04:05:11,753 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 317 transitions. [2020-09-25 04:05:11,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-09-25 04:05:11,756 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:05:11,756 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:05:11,757 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 04:05:11,757 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:05:11,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:05:11,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1109728421, now seen corresponding path program 1 times [2020-09-25 04:05:11,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:05:11,758 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1585244265] [2020-09-25 04:05:11,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:05:11,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:11,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:12,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:12,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:12,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:14,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:14,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:14,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:15,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:16,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:16,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-09-25 04:05:16,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 04:05:16,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-09-25 04:05:16,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:16,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:16,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 04:05:16,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-09-25 04:05:16,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 04:05:16,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:17,127 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:05:17,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:05:17,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:17,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:17,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:17,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:05:17,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:17,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-09-25 04:05:17,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:17,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:17,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:17,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:17,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:17,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:17,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:05:17,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:17,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:17,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:17,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:05:17,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:17,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:05:17,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:17,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:17,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:17,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:17,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:17,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:05:17,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:05:17,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:17,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:17,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:17,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:05:17,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:17,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:05:17,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:17,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:17,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:17,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:17,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:17,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:05:17,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:05:17,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:17,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:17,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:17,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:05:17,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:17,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:05:17,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:17,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:17,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:17,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:17,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:17,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:17,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:05:17,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:17,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:17,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:17,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:05:17,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:17,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:05:17,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:17,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:17,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:17,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:17,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:17,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:17,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:05:17,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:17,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:17,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:17,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:05:17,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:17,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:05:17,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:17,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:17,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:17,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:17,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:17,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:17,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 04:05:17,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:17,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:17,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:17,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:17,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 04:05:17,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:05:17,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 04:05:17,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:17,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:17,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 04:05:17,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 04:05:17,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 04:05:17,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:17,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:05:17,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:17,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:17,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:17,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 04:05:17,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:17,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 04:05:17,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:17,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:17,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 04:05:17,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 04:05:17,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 04:05:17,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:17,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:05:17,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:17,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:17,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:17,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 04:05:17,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:17,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 04:05:17,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:17,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:17,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 04:05:17,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 04:05:17,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 04:05:17,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:17,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:05:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:17,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:17,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:17,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:05:17,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:17,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:05:17,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:17,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:17,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:05:17,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:17,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:05:17,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:17,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 04:05:17,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:17,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:17,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:17,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:05:17,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:17,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:05:17,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:17,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:17,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:17,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:05:17,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:17,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:17,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-09-25 04:05:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:17,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:17,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:17,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:05:17,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:17,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:05:17,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:17,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:17,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:17,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:05:17,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:17,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:17,481 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 04:05:17,481 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1585244265] [2020-09-25 04:05:17,481 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:05:17,482 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 04:05:17,482 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650519530] [2020-09-25 04:05:17,483 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 04:05:17,483 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:05:17,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 04:05:17,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-25 04:05:17,484 INFO L87 Difference]: Start difference. First operand 290 states and 317 transitions. Second operand 7 states. [2020-09-25 04:05:18,207 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:05:19,919 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:05:21,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:05:21,431 INFO L93 Difference]: Finished difference Result 693 states and 832 transitions. [2020-09-25 04:05:21,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 04:05:21,431 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 176 [2020-09-25 04:05:21,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:05:21,436 INFO L225 Difference]: With dead ends: 693 [2020-09-25 04:05:21,436 INFO L226 Difference]: Without dead ends: 518 [2020-09-25 04:05:21,437 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-25 04:05:21,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2020-09-25 04:05:21,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 429. [2020-09-25 04:05:21,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 429 states. [2020-09-25 04:05:21,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 478 transitions. [2020-09-25 04:05:21,506 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 478 transitions. Word has length 176 [2020-09-25 04:05:21,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:05:21,507 INFO L479 AbstractCegarLoop]: Abstraction has 429 states and 478 transitions. [2020-09-25 04:05:21,507 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 04:05:21,507 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 478 transitions. [2020-09-25 04:05:21,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-09-25 04:05:21,510 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:05:21,510 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, 1, 1, 1, 1, 1, 1, 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 04:05:21,511 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 04:05:21,511 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:05:21,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:05:21,511 INFO L82 PathProgramCache]: Analyzing trace with hash -1056538629, now seen corresponding path program 1 times [2020-09-25 04:05:21,511 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:05:21,512 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [742929039] [2020-09-25 04:05:21,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:05:21,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:21,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:21,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:22,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:22,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:23,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:23,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:23,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:26,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:26,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-09-25 04:05:26,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 04:05:26,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 04:05:26,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:26,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:26,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:05:26,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 04:05:26,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 04:05:26,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:26,850 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:05:26,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:05:26,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:26,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:26,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:26,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:05:26,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:26,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-09-25 04:05:26,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:26,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:26,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:26,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:26,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:26,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:27,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:05:27,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:27,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:27,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:27,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:05:27,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:27,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:05:27,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:27,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:27,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:27,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:27,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:27,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:27,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:05:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:27,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:27,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:27,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:05:27,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:27,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:05:27,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:27,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:27,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:27,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:27,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:27,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:27,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:05:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:27,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:27,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:27,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:05:27,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:27,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:05:27,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:27,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:27,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:27,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:27,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:27,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:27,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:05:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:27,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:27,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:27,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:05:27,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:27,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:05:27,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:27,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:27,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:27,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:27,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:27,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:27,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:05:27,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:27,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:27,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:27,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:05:27,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:27,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:05:27,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:27,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:27,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:27,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:27,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:27,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:05:27,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 04:05:27,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:27,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:27,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:27,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 04:05:27,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:27,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 04:05:27,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:27,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:27,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:27,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-09-25 04:05:27,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:27,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:27,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:05:27,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:27,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:27,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:27,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 04:05:27,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:27,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 04:05:27,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:27,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:27,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:27,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:27,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:27,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:27,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:05:27,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:27,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:27,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:27,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 04:05:27,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:27,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 04:05:27,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:27,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:27,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:27,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:27,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:27,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:27,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:05:27,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:27,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:27,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:27,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 04:05:27,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:27,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 04:05:27,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:27,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:27,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:27,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:27,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:27,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:27,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 04:05:27,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:27,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:27,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:27,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:05:27,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:27,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:05:27,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:27,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:27,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:27,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:27,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:27,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:27,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 04:05:27,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:27,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:27,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:27,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:05:27,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:27,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:05:27,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:27,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:27,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:27,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:27,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:27,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:27,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-09-25 04:05:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:27,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:27,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:27,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:05:27,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:27,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:05:27,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:27,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:27,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:27,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:05:27,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:27,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:27,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-09-25 04:05:27,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:27,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:27,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:27,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:05:27,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:27,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:05:27,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:27,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:27,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:27,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:05:27,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:27,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:27,286 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 04:05:27,286 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [742929039] [2020-09-25 04:05:27,286 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:05:27,287 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 04:05:27,287 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682794948] [2020-09-25 04:05:27,288 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 04:05:27,288 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:05:27,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 04:05:27,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 04:05:27,289 INFO L87 Difference]: Start difference. First operand 429 states and 478 transitions. Second operand 6 states. [2020-09-25 04:05:27,901 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:05:29,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:05:29,195 INFO L93 Difference]: Finished difference Result 721 states and 814 transitions. [2020-09-25 04:05:29,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 04:05:29,197 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 191 [2020-09-25 04:05:29,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:05:29,201 INFO L225 Difference]: With dead ends: 721 [2020-09-25 04:05:29,201 INFO L226 Difference]: Without dead ends: 467 [2020-09-25 04:05:29,202 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-09-25 04:05:29,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2020-09-25 04:05:29,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 402. [2020-09-25 04:05:29,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2020-09-25 04:05:29,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 435 transitions. [2020-09-25 04:05:29,248 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 435 transitions. Word has length 191 [2020-09-25 04:05:29,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:05:29,249 INFO L479 AbstractCegarLoop]: Abstraction has 402 states and 435 transitions. [2020-09-25 04:05:29,249 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 04:05:29,249 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 435 transitions. [2020-09-25 04:05:29,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-09-25 04:05:29,252 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:05:29,252 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:05:29,252 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 04:05:29,253 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:05:29,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:05:29,253 INFO L82 PathProgramCache]: Analyzing trace with hash -433831518, now seen corresponding path program 1 times [2020-09-25 04:05:29,253 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:05:29,254 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [225796809] [2020-09-25 04:05:29,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:05:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:29,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:30,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:30,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:30,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:30,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:32,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:34,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:34,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-09-25 04:05:34,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 04:05:34,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-09-25 04:05:34,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:34,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:34,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:05:34,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 169 [2020-09-25 04:05:34,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-25 04:05:34,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:05:34,664 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:05:34,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:05:34,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:34,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:34,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:34,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:05:34,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:34,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-09-25 04:05:34,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:34,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:34,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:34,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:34,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:34,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:05:34,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:05:34,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:34,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:34,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:34,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:05:34,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:34,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:05:34,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:34,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:34,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:34,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:34,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:34,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:05:34,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:05:34,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:34,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:34,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:34,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:05:34,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:34,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:05:34,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:34,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:34,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:34,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:34,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:34,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:05:34,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:05:34,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:34,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:34,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:34,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:05:34,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:34,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:05:34,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:34,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:34,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:34,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:34,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:34,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:05:34,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:05:34,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:34,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:34,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:34,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:05:34,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:34,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:05:34,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:34,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:34,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:34,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:34,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:34,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:34,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:05:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:34,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:34,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:34,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:05:34,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:34,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:05:34,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:34,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:34,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:34,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:34,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:34,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:34,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 04:05:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:34,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:34,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:34,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:35,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:35,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 04:05:35,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 04:05:35,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-09-25 04:05:35,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:35,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:35,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:05:35,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:35,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 04:05:35,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:35,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:05:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:35,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:35,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:35,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:35,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 04:05:35,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:05:35,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-25 04:05:35,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:35,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:35,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:05:35,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:35,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 04:05:35,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:05:35,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:05:35,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:35,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:35,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:35,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 04:05:35,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:35,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 04:05:35,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:35,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:35,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:05:35,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:35,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 04:05:35,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:05:35,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:05:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:35,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:35,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:35,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 04:05:35,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:35,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 04:05:35,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:35,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:35,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:05:35,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:35,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 04:05:35,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:35,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 04:05:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:35,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:35,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:35,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:05:35,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:35,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:05:35,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:35,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:35,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:05:35,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:35,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:05:35,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:05:35,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 04:05:35,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:35,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:35,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:35,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:05:35,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:35,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:05:35,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:35,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:35,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:05:35,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:35,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:05:35,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:05:35,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-25 04:05:35,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:35,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:35,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:35,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:05:35,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:35,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:05:35,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:35,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:35,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:05:35,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:35,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:05:35,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:05:35,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-09-25 04:05:35,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:05:35,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:05:35,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:05:35,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:05:35,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:05:35,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 04:05:35,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:05:35,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:05:35,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:05:35,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:05:35,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:05:35,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:05:35,284 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 04:05:35,284 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [225796809] [2020-09-25 04:05:35,284 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:05:35,285 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 04:05:35,285 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317202892] [2020-09-25 04:05:35,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 04:05:35,286 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:05:35,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 04:05:35,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 04:05:35,286 INFO L87 Difference]: Start difference. First operand 402 states and 435 transitions. Second operand 10 states. [2020-09-25 04:05:35,867 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:05:37,820 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-25 04:05:38,144 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 04:05:38,757 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-25 04:05:39,079 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 04:05:39,480 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 191