/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=WIDEST --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_spec1_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 02:54:39,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 02:54:39,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 02:54:39,923 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 02:54:39,924 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 02:54:39,925 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 02:54:39,927 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 02:54:39,929 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 02:54:39,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 02:54:39,932 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 02:54:39,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 02:54:39,935 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 02:54:39,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 02:54:39,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 02:54:39,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 02:54:39,939 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 02:54:39,940 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 02:54:39,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 02:54:39,943 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 02:54:39,945 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 02:54:39,947 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 02:54:39,948 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 02:54:39,949 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 02:54:39,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 02:54:39,953 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 02:54:39,954 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 02:54:39,954 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 02:54:39,955 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 02:54:39,955 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 02:54:39,957 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 02:54:39,957 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 02:54:39,958 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 02:54:39,959 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 02:54:39,960 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 02:54:39,961 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 02:54:39,961 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 02:54:39,962 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 02:54:39,962 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 02:54:39,962 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 02:54:39,963 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 02:54:39,964 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 02:54:39,965 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 02:54:40,001 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 02:54:40,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 02:54:40,002 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 02:54:40,002 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 02:54:40,003 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 02:54:40,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 02:54:40,003 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 02:54:40,003 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 02:54:40,003 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 02:54:40,004 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 02:54:40,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 02:54:40,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 02:54:40,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 02:54:40,004 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 02:54:40,005 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 02:54:40,005 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 02:54:40,005 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 02:54:40,005 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 02:54:40,005 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 02:54:40,006 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 02:54:40,006 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 02:54:40,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 02:54:40,006 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 02:54:40,006 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 02:54:40,007 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 02:54:40,007 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 02:54:40,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 02:54:40,007 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 02:54:40,008 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 02:54:40,008 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=WIDEST;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=WIDEST;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=WIDEST;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=WIDEST;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=WIDEST;log-additional-information=true; [2020-09-25 02:54:40,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 02:54:40,493 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 02:54:40,497 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 02:54:40,499 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 02:54:40,499 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 02:54:40,500 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_productSimulator.cil.c [2020-09-25 02:54:40,591 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/277aa2aa1/a10625d648d94bbe86d7c8688c4e77f0/FLAGc1e96e310 [2020-09-25 02:54:41,199 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 02:54:41,200 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_productSimulator.cil.c [2020-09-25 02:54:41,215 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/277aa2aa1/a10625d648d94bbe86d7c8688c4e77f0/FLAGc1e96e310 [2020-09-25 02:54:41,470 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/277aa2aa1/a10625d648d94bbe86d7c8688c4e77f0 [2020-09-25 02:54:41,485 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 02:54:41,491 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 02:54:41,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 02:54:41,493 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 02:54:41,498 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 02:54:41,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:54:41" (1/1) ... [2020-09-25 02:54:41,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71155234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:54:41, skipping insertion in model container [2020-09-25 02:54:41,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:54:41" (1/1) ... [2020-09-25 02:54:41,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 02:54:41,590 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 02:54:42,026 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 02:54:42,042 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 02:54:42,146 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 02:54:42,194 INFO L208 MainTranslator]: Completed translation [2020-09-25 02:54:42,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:54:42 WrapperNode [2020-09-25 02:54:42,195 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 02:54:42,196 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 02:54:42,196 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 02:54:42,196 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 02:54:42,212 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:54:42" (1/1) ... [2020-09-25 02:54:42,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:54:42" (1/1) ... [2020-09-25 02:54:42,233 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:54:42" (1/1) ... [2020-09-25 02:54:42,234 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:54:42" (1/1) ... [2020-09-25 02:54:42,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:54:42" (1/1) ... [2020-09-25 02:54:42,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:54:42" (1/1) ... [2020-09-25 02:54:42,287 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:54:42" (1/1) ... [2020-09-25 02:54:42,295 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 02:54:42,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 02:54:42,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 02:54:42,296 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 02:54:42,298 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:54:42" (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 02:54:42,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 02:54:42,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 02:54:42,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 02:54:42,393 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 02:54:42,393 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 02:54:42,394 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__highWaterSensor [2020-09-25 02:54:42,394 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__highWaterSensor [2020-09-25 02:54:42,394 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__lowWaterSensor [2020-09-25 02:54:42,394 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__lowWaterSensor [2020-09-25 02:54:42,394 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__methaneAlarm [2020-09-25 02:54:42,395 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__methaneAlarm [2020-09-25 02:54:42,395 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 02:54:42,395 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__before__methaneQuery [2020-09-25 02:54:42,395 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__role__methaneQuery [2020-09-25 02:54:42,395 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 02:54:42,396 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 02:54:42,396 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 02:54:42,396 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 02:54:42,396 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 02:54:42,397 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 02:54:42,397 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 02:54:42,397 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 02:54:42,397 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 02:54:42,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 02:54:42,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 02:54:42,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 02:54:42,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 02:54:42,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 02:54:42,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 02:54:42,399 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 02:54:42,399 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 02:54:42,399 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 02:54:42,399 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 02:54:42,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 02:54:42,400 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 02:54:42,400 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 02:54:42,400 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 02:54:42,400 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 02:54:42,400 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 02:54:42,400 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 02:54:42,400 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 02:54:42,401 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 02:54:42,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 02:54:42,401 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 02:54:42,401 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 02:54:42,401 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 02:54:42,401 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 02:54:42,402 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 02:54:42,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 02:54:42,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 02:54:42,402 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 02:54:42,402 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 02:54:42,403 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 02:54:42,403 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 02:54:42,403 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 02:54:42,403 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 02:54:42,403 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 02:54:42,403 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 02:54:42,404 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 02:54:42,404 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 02:54:42,404 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 02:54:42,404 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 02:54:42,405 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 02:54:42,405 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 02:54:42,405 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 02:54:42,405 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 02:54:42,405 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 02:54:42,406 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 02:54:42,406 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 02:54:42,406 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__highWaterSensor [2020-09-25 02:54:42,406 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 02:54:42,406 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__highWaterSensor [2020-09-25 02:54:42,406 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__lowWaterSensor [2020-09-25 02:54:42,407 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 02:54:42,407 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__lowWaterSensor [2020-09-25 02:54:42,407 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__methaneAlarm [2020-09-25 02:54:42,407 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 02:54:42,407 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__methaneAlarm [2020-09-25 02:54:42,407 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__before__methaneQuery [2020-09-25 02:54:42,408 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__role__methaneQuery [2020-09-25 02:54:42,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 02:54:42,408 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 02:54:42,408 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 02:54:42,408 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 02:54:42,409 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 02:54:42,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 02:54:42,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 02:54:42,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 02:54:42,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 02:54:42,410 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 02:54:42,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 02:54:42,410 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 02:54:42,410 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 02:54:42,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 02:54:42,410 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 02:54:42,411 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 02:54:42,411 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 02:54:42,411 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 02:54:42,411 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 02:54:42,411 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 02:54:42,411 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 02:54:42,412 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 02:54:42,412 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 02:54:42,412 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 02:54:42,412 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 02:54:42,412 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 02:54:42,412 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 02:54:42,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 02:54:42,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 02:54:42,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 02:54:43,801 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 02:54:43,801 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 02:54:43,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:54:43 BoogieIcfgContainer [2020-09-25 02:54:43,810 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 02:54:43,811 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 02:54:43,811 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 02:54:43,815 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 02:54:43,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:54:41" (1/3) ... [2020-09-25 02:54:43,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14d0ebbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:54:43, skipping insertion in model container [2020-09-25 02:54:43,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:54:42" (2/3) ... [2020-09-25 02:54:43,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14d0ebbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:54:43, skipping insertion in model container [2020-09-25 02:54:43,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:54:43" (3/3) ... [2020-09-25 02:54:43,819 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_productSimulator.cil.c [2020-09-25 02:54:43,831 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 02:54:43,843 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 02:54:43,862 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 02:54:43,895 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 02:54:43,895 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 02:54:43,895 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 02:54:43,896 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 02:54:43,896 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 02:54:43,896 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 02:54:43,896 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 02:54:43,896 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 02:54:43,928 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states. [2020-09-25 02:54:43,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-09-25 02:54:43,949 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:54:43,951 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:54:43,951 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:54:43,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:54:43,958 INFO L82 PathProgramCache]: Analyzing trace with hash -539985006, now seen corresponding path program 1 times [2020-09-25 02:54:43,968 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:54:43,969 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [118660830] [2020-09-25 02:54:43,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:54:44,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:54:44,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:54:44,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:54:46,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:54:47,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:54:47,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:54:49,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:54:49,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-09-25 02:54:49,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 02:54:49,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-09-25 02:54:49,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:54:49,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 02:54:49,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-09-25 02:54:49,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-09-25 02:54:49,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 02:54:49,951 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 02:54:49,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:54:49,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:54:50,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:54:50,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:54:50,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 02:54:50,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:54:50,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 307 [2020-09-25 02:54:50,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:54:50,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:54:50,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:54:50,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-25 02:54:50,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:54:50,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-25 02:54:50,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:54:50,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:54:50,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:54:50,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 02:54:50,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:54:50,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 02:54:50,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:54:50,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:54:50,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:54:50,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 02:54:50,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:54:50,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-25 02:54:50,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:54:50,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:54:50,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:54:50,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 02:54:50,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:54:50,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-09-25 02:54:50,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:54:50,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:54:50,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:54:50,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-25 02:54:50,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:54:50,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 02:54:50,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:54:50,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:54:50,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:54:50,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:54:50,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:54:50,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:54:50,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:54:50,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:54:50,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:54:50,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:54:50,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:54:50,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 02:54:50,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:54:50,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:54:50,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:54:50,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:54:50,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:54:50,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 02:54:50,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:54:50,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:54:50,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:54:50,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:54:50,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:54:50,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 02:54:50,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:54:50,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:54:50,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:54:50,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:54:50,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:54:50,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:54:50,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:54:50,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:54:50,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:54:50,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:54:50,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:54:50,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 02:54:50,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:54:50,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:54:50,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:54:50,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:54:50,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:54:50,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 02:54:50,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:54:50,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:54:50,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:54:50,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:54:50,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:54:50,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-25 02:54:50,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:54:50,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:54:50,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:54:50,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:54:50,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:54:50,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:54:50,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:54:50,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:54:50,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:54:50,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:54:50,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:54:50,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-25 02:54:50,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:54:50,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:54:50,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:54:50,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:54:50,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:54:50,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:54:50,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:54:50,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:54:50,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:54:50,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:54:50,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:54:50,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 02:54:50,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:54:50,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:54:50,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:54:50,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:54:50,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:54:50,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 02:54:50,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:54:50,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:54:50,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:54:50,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 02:54:50,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:54:50,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 02:54:50,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:54:50,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:54:50,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:54:50,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:54:50,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:54:50,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 02:54:50,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:54:50,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:54:50,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:54:50,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 02:54:50,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:54:50,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-09-25 02:54:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:54:50,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:54:50,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:54:50,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:54:50,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:54:50,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:54:50,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:54:50,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:54:50,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:54:50,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 02:54:50,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:54:50,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-25 02:54:50,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:54:50,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:54:50,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:54:50,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:54:50,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:54:50,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 02:54:50,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:54:50,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 02:54:50,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:54:50,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 02:54:50,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:54:50,878 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-25 02:54:50,879 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [118660830] [2020-09-25 02:54:50,881 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:54:50,881 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 02:54:50,882 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137215285] [2020-09-25 02:54:50,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 02:54:50,892 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:54:50,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 02:54:50,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 02:54:50,924 INFO L87 Difference]: Start difference. First operand 415 states. Second operand 10 states. [2020-09-25 02:54:51,881 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-25 02:54:54,192 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 212 [2020-09-25 02:54:54,941 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 214 [2020-09-25 02:54:55,393 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 02:54:55,795 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-25 02:54:56,188 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 02:54:57,188 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-25 02:54:57,584 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-25 02:54:58,069 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-25 02:55:01,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:55:01,585 INFO L93 Difference]: Finished difference Result 831 states and 1079 transitions. [2020-09-25 02:55:01,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-25 02:55:01,587 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 224 [2020-09-25 02:55:01,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:55:01,629 INFO L225 Difference]: With dead ends: 831 [2020-09-25 02:55:01,629 INFO L226 Difference]: Without dead ends: 573 [2020-09-25 02:55:01,642 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=165, Invalid=435, Unknown=0, NotChecked=0, Total=600 [2020-09-25 02:55:01,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2020-09-25 02:55:01,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 513. [2020-09-25 02:55:01,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 513 states. [2020-09-25 02:55:01,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 607 transitions. [2020-09-25 02:55:01,797 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 607 transitions. Word has length 224 [2020-09-25 02:55:01,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:55:01,799 INFO L479 AbstractCegarLoop]: Abstraction has 513 states and 607 transitions. [2020-09-25 02:55:01,799 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 02:55:01,799 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 607 transitions. [2020-09-25 02:55:01,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2020-09-25 02:55:01,808 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:55:01,809 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:55:01,809 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 02:55:01,809 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:55:01,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:55:01,810 INFO L82 PathProgramCache]: Analyzing trace with hash -1977584448, now seen corresponding path program 1 times [2020-09-25 02:55:01,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:55:01,811 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [465586979] [2020-09-25 02:55:01,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:55:01,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:55:02,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:02,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:02,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:06,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:55:06,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 341 [2020-09-25 02:55:06,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 02:55:06,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 02:55:06,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:55:06,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 02:55:06,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-09-25 02:55:06,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-09-25 02:55:06,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:55:07,314 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 02:55:07,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:55:07,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:55:07,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:07,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:55:07,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 02:55:07,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:55:07,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 236 [2020-09-25 02:55:07,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:55:07,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:55:07,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:55:07,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-09-25 02:55:07,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:55:07,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-25 02:55:07,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:55:07,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:07,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:55:07,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 02:55:07,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:55:07,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 02:55:07,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:55:07,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:55:07,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:55:07,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 02:55:07,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:55:07,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-25 02:55:07,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:55:07,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:07,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:55:07,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 02:55:07,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:55:07,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-25 02:55:07,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:55:07,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:55:07,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:55:07,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-25 02:55:07,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:55:07,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 02:55:07,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:55:07,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:07,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:55:07,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:55:07,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:55:07,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:55:07,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:55:07,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:55:07,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:55:07,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:55:07,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:55:07,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 02:55:07,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:55:07,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:07,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:55:07,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:55:07,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:55:07,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:55:07,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:55:07,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:55:07,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:55:07,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:55:07,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 02:55:07,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 02:55:07,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:55:07,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:07,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:55:07,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:55:07,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:55:07,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:55:07,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:55:07,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:55:07,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:55:07,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:55:07,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:55:07,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 02:55:07,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:55:07,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:07,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:55:07,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:55:07,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:55:07,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:55:07,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:55:07,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:55:07,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:55:07,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:55:07,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:55:07,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-25 02:55:07,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:55:07,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:07,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:55:07,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:55:07,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:55:07,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:55:07,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:55:07,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:55:07,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:55:07,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:55:07,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:55:07,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-25 02:55:07,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:55:07,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:07,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:55:07,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:55:07,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:55:07,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:55:07,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:55:07,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:55:07,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:55:07,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:55:07,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:55:07,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 02:55:07,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:55:07,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:07,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:55:07,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:55:07,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:55:07,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:55:07,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:55:07,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:55:07,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:55:07,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 02:55:07,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:55:07,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 02:55:07,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:55:07,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:07,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:55:07,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:55:07,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:55:07,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:55:07,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:55:07,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:55:07,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:55:07,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 02:55:07,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:55:07,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-09-25 02:55:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:55:07,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:07,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:08,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:08,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:55:08,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-25 02:55:08,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 02:55:08,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 633 [2020-09-25 02:55:08,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:55:08,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:55:08,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-25 02:55:08,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-25 02:55:08,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:55:08,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 02:55:08,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:55:08,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:08,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:08,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:09,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:55:09,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-25 02:55:09,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 02:55:09,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 960 [2020-09-25 02:55:09,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:55:09,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:55:09,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:55:09,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 02:55:09,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:55:09,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 02:55:09,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:55:09,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:09,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:09,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:10,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:55:10,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 02:55:10,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 02:55:10,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 728 [2020-09-25 02:55:10,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:55:10,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:55:10,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:55:10,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 02:55:10,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:55:10,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 02:55:10,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:55:10,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:10,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:10,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:10,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:55:10,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 02:55:10,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 02:55:10,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 689 [2020-09-25 02:55:10,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:55:10,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:55:10,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:55:10,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 02:55:10,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:55:10,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 02:55:10,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:55:10,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:10,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:11,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:55:11,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 02:55:11,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 02:55:11,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-25 02:55:11,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:55:11,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:55:11,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:55:11,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 02:55:11,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:55:11,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 02:55:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:55:11,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:11,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:55:11,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:55:11,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:55:11,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:55:11,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:55:11,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:55:11,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:55:11,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 02:55:11,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:55:11,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 02:55:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:55:11,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:11,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:55:11,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 02:55:11,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:55:11,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 02:55:11,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:55:11,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:55:11,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:55:11,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 02:55:11,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:55:11,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 02:55:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:55:11,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:11,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:55:11,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 02:55:11,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:55:11,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:55:11,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:55:11,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:55:11,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:55:11,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:55:11,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:55:11,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-09-25 02:55:11,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:55:11,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:11,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:55:11,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:55:11,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:55:11,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:55:11,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:55:11,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:55:11,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 02:55:11,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:55:11,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:55:11,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2020-09-25 02:55:11,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:55:11,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:11,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:55:11,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:55:11,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:55:11,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 02:55:11,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:55:11,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:55:11,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 02:55:11,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:55:11,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:55:11,204 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-25 02:55:11,204 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [465586979] [2020-09-25 02:55:11,205 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:55:11,205 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 02:55:11,205 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610078391] [2020-09-25 02:55:11,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 02:55:11,211 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:55:11,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 02:55:11,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-25 02:55:11,212 INFO L87 Difference]: Start difference. First operand 513 states and 607 transitions. Second operand 8 states. [2020-09-25 02:55:11,896 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-25 02:55:13,274 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-25 02:55:19,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:55:19,949 INFO L93 Difference]: Finished difference Result 1552 states and 2108 transitions. [2020-09-25 02:55:19,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 02:55:19,950 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 284 [2020-09-25 02:55:19,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:55:19,973 INFO L225 Difference]: With dead ends: 1552 [2020-09-25 02:55:19,973 INFO L226 Difference]: Without dead ends: 1191 [2020-09-25 02:55:19,979 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 51 SyntacticMatches, 5 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2020-09-25 02:55:19,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1191 states. [2020-09-25 02:55:20,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1191 to 1060. [2020-09-25 02:55:20,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1060 states. [2020-09-25 02:55:20,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 1060 states and 1343 transitions. [2020-09-25 02:55:20,210 INFO L78 Accepts]: Start accepts. Automaton has 1060 states and 1343 transitions. Word has length 284 [2020-09-25 02:55:20,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:55:20,212 INFO L479 AbstractCegarLoop]: Abstraction has 1060 states and 1343 transitions. [2020-09-25 02:55:20,212 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 02:55:20,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 1343 transitions. [2020-09-25 02:55:20,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-09-25 02:55:20,220 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:55:20,220 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:55:20,220 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 02:55:20,221 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:55:20,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:55:20,221 INFO L82 PathProgramCache]: Analyzing trace with hash 1671618703, now seen corresponding path program 1 times [2020-09-25 02:55:20,222 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:55:20,222 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1173224237] [2020-09-25 02:55:20,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:55:20,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:55:20,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:20,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:22,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:25,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:55:25,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 333 [2020-09-25 02:55:25,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 02:55:25,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 02:55:25,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:55:25,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 02:55:25,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-09-25 02:55:25,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 228 [2020-09-25 02:55:25,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:55:25,848 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 02:55:25,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:55:25,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:55:25,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:26,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:55:26,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 02:55:26,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:55:26,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 254 [2020-09-25 02:55:26,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:55:26,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:55:26,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:55:26,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-25 02:55:26,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:55:26,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-25 02:55:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:55:26,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:26,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:55:26,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 02:55:26,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:55:26,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 02:55:26,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:55:26,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:55:26,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:55:26,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 02:55:26,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:55:26,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-25 02:55:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:55:26,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:26,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:55:26,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 02:55:26,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:55:26,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-25 02:55:26,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:55:26,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:55:26,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:55:26,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-25 02:55:26,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:55:26,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 02:55:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:55:26,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:26,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:55:26,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:55:26,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:55:26,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:55:26,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:55:26,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:55:26,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:55:26,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:55:26,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:55:26,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 02:55:26,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:55:26,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:26,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:55:26,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:55:26,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:55:26,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:55:26,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:55:26,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:55:26,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:55:26,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:55:26,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:55:26,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 02:55:26,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:55:26,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:26,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:55:26,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:55:26,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:55:26,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:55:26,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:55:26,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:55:26,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:55:26,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:55:26,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:55:26,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 02:55:26,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:55:26,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:26,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:55:26,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:55:26,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:55:26,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:55:26,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:55:26,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:55:26,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:55:26,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:55:26,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:55:26,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-25 02:55:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:55:26,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:26,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:55:26,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:55:26,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:55:26,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:55:26,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:55:26,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:55:26,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:55:26,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:55:26,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:55:26,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-25 02:55:26,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:55:26,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:26,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:55:26,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:55:26,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:55:26,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:55:26,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:55:26,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:55:26,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:55:26,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:55:26,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:55:26,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 02:55:26,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:55:26,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:26,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:55:26,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:55:26,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:55:26,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:55:26,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:55:26,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:55:26,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:55:26,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 02:55:26,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:55:26,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 02:55:26,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:55:26,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:26,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:55:26,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:55:26,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:55:26,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:55:26,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:55:26,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:55:26,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:55:26,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 02:55:26,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:55:26,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-25 02:55:26,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:55:26,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:26,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:26,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:55:26,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-25 02:55:26,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 02:55:26,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-09-25 02:55:26,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:55:26,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:55:26,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:55:26,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-25 02:55:26,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:55:26,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 02:55:26,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:55:26,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:26,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:26,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:55:26,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-25 02:55:26,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 02:55:26,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-25 02:55:26,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:55:26,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 02:55:26,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-09-25 02:55:26,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 02:55:26,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:55:26,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 02:55:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:55:26,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:26,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:55:26,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 02:55:26,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:55:26,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-25 02:55:26,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:55:26,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 02:55:26,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-25 02:55:26,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 02:55:26,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:55:26,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 02:55:26,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:55:26,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:26,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:55:26,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 02:55:26,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:55:26,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-25 02:55:26,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:55:26,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 02:55:26,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 02:55:26,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 02:55:26,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:55:26,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 02:55:26,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:55:26,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:26,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:55:26,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 02:55:26,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:55:26,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-25 02:55:26,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:55:26,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 02:55:26,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:55:26,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 02:55:26,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:55:26,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 02:55:26,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:55:26,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:26,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:55:26,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:55:26,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:55:26,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:55:26,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:55:26,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:55:26,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:55:26,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:55:26,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:55:26,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 02:55:27,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:55:27,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:27,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:55:27,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 02:55:27,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:55:27,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 02:55:27,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:55:27,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:55:27,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-25 02:55:27,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:55:27,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:55:27,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 02:55:27,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:55:27,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:27,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:55:27,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 02:55:27,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:55:27,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:55:27,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:55:27,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:55:27,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:55:27,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:55:27,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:55:27,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2020-09-25 02:55:27,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:55:27,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:27,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:55:27,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:55:27,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:55:27,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 02:55:27,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:55:27,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 02:55:27,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:55:27,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 02:55:27,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:55:27,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-09-25 02:55:27,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:55:27,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:55:27,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:55:27,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:55:27,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:55:27,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:55:27,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:55:27,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:55:27,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 02:55:27,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:55:27,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:55:27,165 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-25 02:55:27,166 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1173224237] [2020-09-25 02:55:27,166 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:55:27,166 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-09-25 02:55:27,166 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751931782] [2020-09-25 02:55:27,167 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-25 02:55:27,167 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:55:27,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-25 02:55:27,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2020-09-25 02:55:27,168 INFO L87 Difference]: Start difference. First operand 1060 states and 1343 transitions. Second operand 16 states. [2020-09-25 02:55:27,885 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-25 02:55:29,685 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 02:55:30,131 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-25 02:55:30,673 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 02:55:31,174 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-25 02:55:31,606 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 212