/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.5 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 14:16:05,851 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 14:16:05,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 14:16:05,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 14:16:05,906 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 14:16:05,918 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 14:16:05,920 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 14:16:05,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 14:16:05,928 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 14:16:05,932 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 14:16:05,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 14:16:05,934 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 14:16:05,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 14:16:05,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 14:16:05,939 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 14:16:05,940 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 14:16:05,941 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 14:16:05,942 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 14:16:05,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 14:16:05,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 14:16:05,948 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 14:16:05,949 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 14:16:05,951 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 14:16:05,952 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 14:16:05,954 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 14:16:05,954 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 14:16:05,955 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 14:16:05,956 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 14:16:05,956 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 14:16:05,958 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 14:16:05,958 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 14:16:05,959 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 14:16:05,960 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 14:16:05,961 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 14:16:05,962 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 14:16:05,962 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 14:16:05,963 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 14:16:05,963 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 14:16:05,963 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 14:16:05,965 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 14:16:05,965 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 14:16:05,966 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 14:16:05,994 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 14:16:05,994 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 14:16:05,996 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 14:16:05,996 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 14:16:05,996 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 14:16:05,996 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 14:16:05,997 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 14:16:05,997 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 14:16:05,997 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 14:16:05,997 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 14:16:05,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 14:16:05,998 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 14:16:05,998 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 14:16:05,998 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 14:16:05,998 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 14:16:05,998 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 14:16:05,999 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 14:16:05,999 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 14:16:05,999 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 14:16:05,999 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 14:16:05,999 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 14:16:06,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:16:06,000 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 14:16:06,000 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 14:16:06,000 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 14:16:06,001 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 14:16:06,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 14:16:06,001 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 14:16:06,001 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 14:16:06,002 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; [2020-09-25 14:16:06,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 14:16:06,500 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 14:16:06,504 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 14:16:06,506 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 14:16:06,507 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 14:16:06,508 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product29.cil.c [2020-09-25 14:16:06,594 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e49b4014d/4497b25a912f4d318dd789e695db20c0/FLAGa66d65ca7 [2020-09-25 14:16:07,222 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 14:16:07,223 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product29.cil.c [2020-09-25 14:16:07,240 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e49b4014d/4497b25a912f4d318dd789e695db20c0/FLAGa66d65ca7 [2020-09-25 14:16:07,494 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e49b4014d/4497b25a912f4d318dd789e695db20c0 [2020-09-25 14:16:07,508 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 14:16:07,514 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 14:16:07,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 14:16:07,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 14:16:07,519 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 14:16:07,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:16:07" (1/1) ... [2020-09-25 14:16:07,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43965ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:16:07, skipping insertion in model container [2020-09-25 14:16:07,526 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:16:07" (1/1) ... [2020-09-25 14:16:07,535 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 14:16:07,615 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 14:16:08,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:16:08,159 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 14:16:08,241 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:16:08,294 INFO L208 MainTranslator]: Completed translation [2020-09-25 14:16:08,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:16:08 WrapperNode [2020-09-25 14:16:08,295 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 14:16:08,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 14:16:08,296 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 14:16:08,296 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 14:16:08,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:16:08" (1/1) ... [2020-09-25 14:16:08,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:16:08" (1/1) ... [2020-09-25 14:16:08,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:16:08" (1/1) ... [2020-09-25 14:16:08,333 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:16:08" (1/1) ... [2020-09-25 14:16:08,400 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:16:08" (1/1) ... [2020-09-25 14:16:08,418 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:16:08" (1/1) ... [2020-09-25 14:16:08,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:16:08" (1/1) ... [2020-09-25 14:16:08,443 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 14:16:08,443 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 14:16:08,444 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 14:16:08,444 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 14:16:08,448 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:16:08" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:16:08,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 14:16:08,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 14:16:08,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 14:16:08,551 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 14:16:08,551 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 14:16:08,551 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 14:16:08,551 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 14:16:08,552 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 14:16:08,553 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 14:16:08,553 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 14:16:08,553 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 14:16:08,553 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 14:16:08,553 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 14:16:08,554 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 14:16:08,554 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 14:16:08,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 14:16:08,555 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 14:16:08,555 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 14:16:08,555 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 14:16:08,556 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 14:16:08,556 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 14:16:08,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 14:16:08,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 14:16:08,557 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 14:16:08,557 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 14:16:08,558 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 14:16:08,558 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 14:16:08,558 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 14:16:08,558 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 14:16:08,558 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 14:16:08,559 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 14:16:08,559 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 14:16:08,559 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 14:16:08,559 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 14:16:08,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 14:16:08,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 14:16:08,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 14:16:08,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 14:16:08,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 14:16:08,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 14:16:08,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 14:16:08,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 14:16:08,560 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 14:16:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 14:16:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 14:16:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 14:16:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 14:16:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 14:16:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 14:16:08,562 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 14:16:08,562 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 14:16:08,562 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 14:16:08,562 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 14:16:08,563 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 14:16:08,563 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 14:16:08,563 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 14:16:08,563 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 14:16:08,563 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 14:16:08,564 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 14:16:08,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 14:16:08,564 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 14:16:08,564 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 14:16:08,564 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 14:16:08,565 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 14:16:08,565 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 14:16:08,565 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 14:16:08,565 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 14:16:08,565 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 14:16:08,565 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 14:16:08,566 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 14:16:08,566 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 14:16:08,568 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 14:16:08,568 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 14:16:08,568 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 14:16:08,568 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 14:16:08,568 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 14:16:08,569 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 14:16:08,569 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 14:16:08,569 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 14:16:08,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 14:16:08,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 14:16:08,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 14:16:08,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 14:16:08,570 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 14:16:08,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 14:16:08,570 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 14:16:08,570 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 14:16:08,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 14:16:08,571 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 14:16:08,571 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 14:16:08,572 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 14:16:08,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 14:16:08,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 14:16:08,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 14:16:09,810 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 14:16:09,810 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 14:16:09,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:16:09 BoogieIcfgContainer [2020-09-25 14:16:09,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 14:16:09,820 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 14:16:09,820 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 14:16:09,824 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 14:16:09,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:16:07" (1/3) ... [2020-09-25 14:16:09,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d693dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:16:09, skipping insertion in model container [2020-09-25 14:16:09,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:16:08" (2/3) ... [2020-09-25 14:16:09,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d693dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:16:09, skipping insertion in model container [2020-09-25 14:16:09,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:16:09" (3/3) ... [2020-09-25 14:16:09,829 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product29.cil.c [2020-09-25 14:16:09,841 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 14:16:09,853 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 14:16:09,879 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 14:16:09,919 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 14:16:09,919 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 14:16:09,919 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 14:16:09,919 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 14:16:09,920 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 14:16:09,920 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 14:16:09,920 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 14:16:09,920 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 14:16:09,954 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states. [2020-09-25 14:16:09,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 14:16:09,973 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:16:09,975 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 14:16:09,975 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:16:09,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:16:09,984 INFO L82 PathProgramCache]: Analyzing trace with hash 328016978, now seen corresponding path program 1 times [2020-09-25 14:16:09,995 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:16:09,996 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [327884535] [2020-09-25 14:16:09,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:16:10,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:10,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:10,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:11,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:12,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:13,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:15,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:15,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 14:16:15,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 14:16:15,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-09-25 14:16:15,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:15,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:15,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:15,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 14:16:15,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-25 14:16:15,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 14:16:15,925 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:16:15,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:16:15,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:16,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:16,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:16,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:16:16,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:16,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 265 [2020-09-25 14:16:16,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:16,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:16,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:16,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:16,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 14:16:16,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:16,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:16:16,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:16,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:16,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:16,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:16,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:16,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:16:16,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:16,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:16,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:16,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:16,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:16:16,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:16,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:16:16,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:16,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:16,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:16,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:16,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:16,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:16:16,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:16,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:16,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:16,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:16,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:16:16,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:16,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:16:16,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:16,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:16,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:16,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:16,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:16,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 14:16:16,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:16,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:16,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:16,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:16,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:16:16,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:16,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:16:16,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:16,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:16,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:16,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:16,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:16,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:16:16,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:16,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:16,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:16,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:16,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:16:16,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:16,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:16:16,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:16,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:16,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:16,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:16:16,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:16,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:16:16,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:16,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:16,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:16,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:16,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:16:16,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:16,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 14:16:16,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:16,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:16,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:16,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:16,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:16,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:16:16,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:16,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:16,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:16,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:16:16,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:16,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:16,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 14:16:16,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:16,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:16,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:16,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:16,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:16,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:16:16,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:16,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:16,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:16,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:16:16,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:16,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:16,430 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 14:16:16,431 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [327884535] [2020-09-25 14:16:16,433 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:16:16,433 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 14:16:16,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436603068] [2020-09-25 14:16:16,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 14:16:16,442 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:16:16,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 14:16:16,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 14:16:16,464 INFO L87 Difference]: Start difference. First operand 314 states. Second operand 5 states. [2020-09-25 14:16:17,075 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:16:18,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:16:18,228 INFO L93 Difference]: Finished difference Result 468 states and 557 transitions. [2020-09-25 14:16:18,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 14:16:18,231 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-25 14:16:18,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:16:18,263 INFO L225 Difference]: With dead ends: 468 [2020-09-25 14:16:18,263 INFO L226 Difference]: Without dead ends: 300 [2020-09-25 14:16:18,272 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 14:16:18,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2020-09-25 14:16:18,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 253. [2020-09-25 14:16:18,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2020-09-25 14:16:18,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 275 transitions. [2020-09-25 14:16:18,400 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 275 transitions. Word has length 148 [2020-09-25 14:16:18,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:16:18,405 INFO L479 AbstractCegarLoop]: Abstraction has 253 states and 275 transitions. [2020-09-25 14:16:18,405 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 14:16:18,405 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 275 transitions. [2020-09-25 14:16:18,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-09-25 14:16:18,419 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:16:18,419 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] [2020-09-25 14:16:18,420 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 14:16:18,420 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:16:18,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:16:18,421 INFO L82 PathProgramCache]: Analyzing trace with hash -1158136976, now seen corresponding path program 1 times [2020-09-25 14:16:18,423 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:16:18,423 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1236167544] [2020-09-25 14:16:18,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:16:18,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:18,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:19,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:19,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:19,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:22,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:23,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:23,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-09-25 14:16:23,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 14:16:23,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-09-25 14:16:23,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:23,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:23,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 14:16:23,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-09-25 14:16:23,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-09-25 14:16:23,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:23,956 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:16:23,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:16:23,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:23,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:24,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:24,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:16:24,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:24,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-09-25 14:16:24,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:24,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:24,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:24,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:24,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:24,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:24,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:16:24,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:24,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:24,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:24,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:24,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:24,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:16:24,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:24,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:24,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:24,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:24,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:24,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:24,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:16:24,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:24,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:24,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:24,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:24,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:24,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:24,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:24,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:24,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:24,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:24,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:24,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:24,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:16:24,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:24,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:24,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:24,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:24,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:24,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:16:24,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:24,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:24,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:24,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:24,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:24,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:24,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:16:24,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:24,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:24,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:24,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:24,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:24,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:16:24,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:24,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:24,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:24,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:24,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:24,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:24,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:16:24,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:24,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:24,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:24,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:16:24,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:24,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:16:24,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:24,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:24,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:24,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:24,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 14:16:24,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:24,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 14:16:24,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:24,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:24,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:24,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 14:16:24,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:24,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 14:16:24,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:24,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:24,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:24,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:24,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 14:16:24,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:24,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:24,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:24,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:24,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:24,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:16:24,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:24,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:16:24,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:24,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:24,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:24,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:24,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:24,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:16:24,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:24,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:24,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:24,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:24,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:24,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:24,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:24,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:24,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:24,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:24,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:24,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:24,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:16:24,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 14:16:24,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:24,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:24,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:24,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:24,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:24,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:16:24,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:24,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:24,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:24,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:24,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:16:24,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:24,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-09-25 14:16:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:24,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:24,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:24,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:24,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:24,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:16:24,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:24,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:24,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:24,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:24,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:16:24,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:24,356 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 14:16:24,357 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1236167544] [2020-09-25 14:16:24,357 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:16:24,357 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 14:16:24,358 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749187115] [2020-09-25 14:16:24,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 14:16:24,362 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:16:24,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 14:16:24,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 14:16:24,363 INFO L87 Difference]: Start difference. First operand 253 states and 275 transitions. Second operand 6 states. [2020-09-25 14:16:24,885 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:16:27,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:16:27,469 INFO L93 Difference]: Finished difference Result 566 states and 729 transitions. [2020-09-25 14:16:27,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 14:16:27,470 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 171 [2020-09-25 14:16:27,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:16:27,477 INFO L225 Difference]: With dead ends: 566 [2020-09-25 14:16:27,477 INFO L226 Difference]: Without dead ends: 563 [2020-09-25 14:16:27,479 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 14:16:27,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2020-09-25 14:16:27,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 391. [2020-09-25 14:16:27,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2020-09-25 14:16:27,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 441 transitions. [2020-09-25 14:16:27,590 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 441 transitions. Word has length 171 [2020-09-25 14:16:27,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:16:27,591 INFO L479 AbstractCegarLoop]: Abstraction has 391 states and 441 transitions. [2020-09-25 14:16:27,591 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 14:16:27,591 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 441 transitions. [2020-09-25 14:16:27,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2020-09-25 14:16:27,596 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:16:27,596 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:16:27,596 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 14:16:27,597 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:16:27,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:16:27,597 INFO L82 PathProgramCache]: Analyzing trace with hash 524741542, now seen corresponding path program 1 times [2020-09-25 14:16:27,597 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:16:27,598 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2114662848] [2020-09-25 14:16:27,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:16:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:27,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:27,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:28,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:28,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:28,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:28,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:31,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:32,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:32,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 314 [2020-09-25 14:16:32,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 14:16:32,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-09-25 14:16:32,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:32,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:32,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 14:16:32,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 14:16:32,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-09-25 14:16:32,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:33,109 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:16:33,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:16:33,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:33,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:33,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:33,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:16:33,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:33,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 268 [2020-09-25 14:16:33,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:33,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:33,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:33,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:33,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 14:16:33,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:33,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:16:33,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:33,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:33,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:33,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:33,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:33,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 14:16:33,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:33,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:33,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:33,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:33,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:16:33,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 14:16:33,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:16:33,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:33,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:33,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:33,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:33,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:33,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:16:33,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:33,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:33,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:33,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:33,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:16:33,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:33,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:16:33,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:33,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:33,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:33,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:33,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:33,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 14:16:33,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:33,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:33,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:33,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:33,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:16:33,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:33,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:16:33,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:33,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:33,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:33,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:33,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:33,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:16:33,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:33,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:33,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:33,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:33,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:16:33,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:33,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:16:33,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:33,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:33,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:33,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:16:33,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:33,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 14:16:33,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:33,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:33,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:33,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:33,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:16:33,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:33,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 14:16:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:33,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:33,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:33,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:33,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-09-25 14:16:33,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:16:33,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-09-25 14:16:33,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:33,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:33,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:33,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:33,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-25 14:16:33,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:16:33,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:33,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:33,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:33,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:33,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 14:16:33,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:33,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:16:33,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:33,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:33,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:33,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:33,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:33,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:33,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:33,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:33,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:33,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:16:33,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:33,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:33,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:33,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:33,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:33,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:33,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:33,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:33,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:33,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:33,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:33,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:33,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:33,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:33,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:33,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:33,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:33,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:33,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:33,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:33,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:16:33,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 14:16:33,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:33,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:33,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:33,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 14:16:33,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:33,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:16:33,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:33,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:33,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:33,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:33,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:33,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:16:33,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:33,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:33,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:33,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:33,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:33,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:33,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:33,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:33,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:33,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:33,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:33,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:33,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-09-25 14:16:33,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:33,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:33,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:33,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:34,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:34,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:34,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-25 14:16:34,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 14:16:34,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 973 [2020-09-25 14:16:34,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:34,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:34,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:16:34,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-09-25 14:16:34,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-25 14:16:34,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:34,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:34,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:34,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:34,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 14:16:34,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:34,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:34,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:34,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:34,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:34,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:34,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:34,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:34,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:34,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:34,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:34,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:34,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:16:34,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:34,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:34,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:34,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:34,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:34,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:34,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:34,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:34,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:34,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:34,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:34,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:34,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:34,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:34,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:16:34,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:34,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:34,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:34,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:34,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:34,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:34,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 14:16:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:34,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:34,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:34,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 14:16:34,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:34,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-25 14:16:34,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:34,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:34,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:16:34,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:34,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 14:16:34,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:35,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:35,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:35,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:35,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:35,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:35,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:35,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:16:35,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:35,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:35,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:16:35,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:35,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 14:16:35,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:35,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 14:16:35,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:35,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:35,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:35,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:35,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:35,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 14:16:35,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:35,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:35,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:35,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:35,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:16:35,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:35,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-09-25 14:16:35,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:35,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:35,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:35,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 14:16:35,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:35,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:16:35,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:35,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:35,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:35,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-25 14:16:35,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:35,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:35,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:35,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:35,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:35,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:35,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:16:35,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:35,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:16:35,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:35,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:35,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:35,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:35,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:35,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:35,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:35,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:35,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:35,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:35,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:35,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:35,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:35,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:35,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:35,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:35,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:35,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:35,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:35,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-25 14:16:35,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:35,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:35,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:35,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:35,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:35,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:35,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:35,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:35,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:35,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:16:35,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:35,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:35,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-09-25 14:16:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:35,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:35,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:35,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:35,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:35,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:35,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:35,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:35,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:35,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:16:35,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:35,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:35,283 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 43 proven. 3 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-09-25 14:16:35,285 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2114662848] [2020-09-25 14:16:35,285 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 14:16:35,285 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-25 14:16:35,287 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192040554] [2020-09-25 14:16:35,288 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 14:16:35,289 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:16:35,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 14:16:35,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-09-25 14:16:35,291 INFO L87 Difference]: Start difference. First operand 391 states and 441 transitions. Second operand 12 states. [2020-09-25 14:16:35,775 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:16:36,920 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 14:16:37,270 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 14:16:37,662 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:16:38,417 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 14:16:38,772 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 14:16:40,133 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-25 14:16:40,769 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-25 14:16:41,368 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-25 14:16:42,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:16:42,294 INFO L93 Difference]: Finished difference Result 1080 states and 1364 transitions. [2020-09-25 14:16:42,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-25 14:16:42,294 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 249 [2020-09-25 14:16:42,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:16:42,305 INFO L225 Difference]: With dead ends: 1080 [2020-09-25 14:16:42,305 INFO L226 Difference]: Without dead ends: 786 [2020-09-25 14:16:42,312 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 54 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=218, Invalid=652, Unknown=0, NotChecked=0, Total=870 [2020-09-25 14:16:42,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2020-09-25 14:16:42,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 495. [2020-09-25 14:16:42,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 495 states. [2020-09-25 14:16:42,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 559 transitions. [2020-09-25 14:16:42,397 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 559 transitions. Word has length 249 [2020-09-25 14:16:42,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:16:42,397 INFO L479 AbstractCegarLoop]: Abstraction has 495 states and 559 transitions. [2020-09-25 14:16:42,397 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-25 14:16:42,398 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 559 transitions. [2020-09-25 14:16:42,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-09-25 14:16:42,402 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:16:42,403 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:16:42,403 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 14:16:42,403 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:16:42,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:16:42,404 INFO L82 PathProgramCache]: Analyzing trace with hash -1889162151, now seen corresponding path program 1 times [2020-09-25 14:16:42,404 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:16:42,404 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [571887475] [2020-09-25 14:16:42,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:16:42,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:42,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:42,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:42,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:42,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:43,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:44,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:45,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:47,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:47,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-09-25 14:16:47,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 14:16:47,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-09-25 14:16:47,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:47,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:47,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:47,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 14:16:47,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-09-25 14:16:47,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:47,801 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:16:47,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:16:47,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:47,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:47,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:47,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:16:47,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:47,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-09-25 14:16:47,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:47,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:47,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:47,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:47,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:47,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:47,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:16:47,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:47,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:47,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:47,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:47,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:47,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:16:47,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:47,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:47,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:47,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:47,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:47,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:16:47,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:16:47,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:47,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:47,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:47,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:47,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:47,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:16:47,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:47,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:47,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:47,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:47,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:47,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:47,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:16:47,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:47,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:47,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:47,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:47,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:47,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:16:47,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:47,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:47,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:47,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:47,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:47,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:47,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:16:47,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:47,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:47,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:47,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:47,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:47,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:16:47,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:47,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:47,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:47,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:47,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:47,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:47,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:16:47,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:47,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:47,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:47,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:16:47,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:47,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:16:47,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:47,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:47,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:47,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:47,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:47,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:48,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 14:16:48,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:48,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:48,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:48,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 14:16:48,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:48,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:16:48,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:48,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:48,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:48,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:48,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 14:16:48,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:16:48,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 14:16:48,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:48,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:48,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:48,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:48,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:48,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:48,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-25 14:16:48,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 14:16:48,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 377 [2020-09-25 14:16:48,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:48,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:48,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:48,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:48,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-25 14:16:48,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:48,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:48,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:48,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:48,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 14:16:48,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:48,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:16:48,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:48,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:48,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:48,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:48,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:48,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:16:48,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:48,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:48,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:48,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:48,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:16:48,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:48,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:48,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:48,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:48,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:48,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:48,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:48,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:16:48,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:48,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:48,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:48,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:48,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:48,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:48,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:16:48,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:48,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:48,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:48,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:48,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:48,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:16:48,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 14:16:48,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:48,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:48,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:48,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 14:16:48,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:48,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:16:48,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:48,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:48,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:48,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:48,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:48,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:48,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:48,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:48,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:48,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:48,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:48,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:48,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:16:48,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:48,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:48,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:48,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:48,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:48,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:48,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 14:16:48,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:48,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:48,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:48,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:48,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:48,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:16:48,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:48,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:48,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:48,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:48,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:48,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:48,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-09-25 14:16:48,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:48,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:48,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:48,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 14:16:48,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:48,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:16:48,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:48,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:48,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:48,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-25 14:16:48,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:48,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:16:48,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:48,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:48,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:48,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:48,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:16:48,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:48,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:48,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:48,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:48,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:48,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:48,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:48,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:48,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:48,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:48,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:48,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:48,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:48,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:48,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:16:48,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:48,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:48,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:48,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:48,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:48,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:48,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-09-25 14:16:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:48,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:48,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:48,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:48,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:48,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:48,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:48,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:48,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:48,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:16:48,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:48,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:48,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-09-25 14:16:48,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:48,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:48,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:48,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:48,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:48,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:16:48,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:48,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:48,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:48,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:16:48,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:48,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:16:48,567 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-09-25 14:16:48,567 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [571887475] [2020-09-25 14:16:48,568 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:16:48,568 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 14:16:48,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979051263] [2020-09-25 14:16:48,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 14:16:48,569 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:16:48,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 14:16:48,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-25 14:16:48,570 INFO L87 Difference]: Start difference. First operand 495 states and 559 transitions. Second operand 8 states. [2020-09-25 14:16:49,289 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:16:50,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:16:50,581 INFO L93 Difference]: Finished difference Result 892 states and 1077 transitions. [2020-09-25 14:16:50,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 14:16:50,582 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 226 [2020-09-25 14:16:50,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:16:50,588 INFO L225 Difference]: With dead ends: 892 [2020-09-25 14:16:50,588 INFO L226 Difference]: Without dead ends: 676 [2020-09-25 14:16:50,590 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2020-09-25 14:16:50,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2020-09-25 14:16:50,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 475. [2020-09-25 14:16:50,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2020-09-25 14:16:50,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 529 transitions. [2020-09-25 14:16:50,681 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 529 transitions. Word has length 226 [2020-09-25 14:16:50,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:16:50,683 INFO L479 AbstractCegarLoop]: Abstraction has 475 states and 529 transitions. [2020-09-25 14:16:50,683 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 14:16:50,683 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 529 transitions. [2020-09-25 14:16:50,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-09-25 14:16:50,687 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:16:50,688 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:16:50,688 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 14:16:50,688 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:16:50,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:16:50,689 INFO L82 PathProgramCache]: Analyzing trace with hash 2099045654, now seen corresponding path program 1 times [2020-09-25 14:16:50,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:16:50,689 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1888171404] [2020-09-25 14:16:50,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:16:50,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:50,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:50,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:51,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:52,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:52,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:53,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:54,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:55,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:55,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 288 [2020-09-25 14:16:55,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 14:16:55,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-09-25 14:16:55,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:55,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:55,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-25 14:16:55,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 14:16:55,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-09-25 14:16:55,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0