/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 --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 interpolation-heuristic=FIRST --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_spec4_product11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:11:19,887 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:11:19,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:11:19,919 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:11:19,920 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:11:19,921 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:11:19,922 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:11:19,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:11:19,927 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:11:19,928 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:11:19,929 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:11:19,930 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:11:19,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:11:19,932 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:11:19,933 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:11:19,934 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:11:19,935 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:11:19,936 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:11:19,938 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:11:19,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:11:19,943 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:11:19,944 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:11:19,945 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:11:19,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:11:19,950 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:11:19,950 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:11:19,951 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:11:19,952 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:11:19,952 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:11:19,953 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:11:19,954 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:11:19,955 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:11:19,956 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:11:19,957 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:11:19,958 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:11:19,958 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:11:19,959 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:11:19,959 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:11:19,960 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:11:19,961 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:11:19,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:11:19,962 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 [2020-09-21 11:11:19,990 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:11:19,990 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:11:19,992 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:11:19,992 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:11:19,992 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:11:19,992 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:11:19,993 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:11:19,993 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:11:19,993 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:11:19,993 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:11:19,993 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:11:19,993 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:11:19,994 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:11:19,994 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:11:19,994 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:11:19,994 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:11:19,994 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:11:19,995 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:11:19,995 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:11:19,995 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:11:19,995 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:11:19,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:11:19,996 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:11:19,996 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:11:19,996 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:11:19,996 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:11:19,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:11:19,997 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:11:19,997 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:11:19,997 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.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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:11:20,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:11:20,478 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:11:20,482 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:11:20,485 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:11:20,485 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:11:20,486 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product11.cil.c [2020-09-21 11:11:20,569 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9da67addc/247c1e2a5d874dea8779774af87c2cca/FLAG42da4faf1 [2020-09-21 11:11:21,234 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:11:21,235 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product11.cil.c [2020-09-21 11:11:21,250 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9da67addc/247c1e2a5d874dea8779774af87c2cca/FLAG42da4faf1 [2020-09-21 11:11:21,468 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9da67addc/247c1e2a5d874dea8779774af87c2cca [2020-09-21 11:11:21,481 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:11:21,486 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:11:21,488 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:11:21,488 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:11:21,492 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:11:21,493 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:11:21" (1/1) ... [2020-09-21 11:11:21,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@201d7596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:21, skipping insertion in model container [2020-09-21 11:11:21,497 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:11:21" (1/1) ... [2020-09-21 11:11:21,507 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:11:21,570 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:11:22,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:11:22,080 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:11:22,156 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:11:22,191 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:11:22,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:22 WrapperNode [2020-09-21 11:11:22,191 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:11:22,192 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:11:22,192 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:11:22,193 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:11:22,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:22" (1/1) ... [2020-09-21 11:11:22,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:22" (1/1) ... [2020-09-21 11:11:22,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:22" (1/1) ... [2020-09-21 11:11:22,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:22" (1/1) ... [2020-09-21 11:11:22,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:22" (1/1) ... [2020-09-21 11:11:22,297 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:22" (1/1) ... [2020-09-21 11:11:22,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:22" (1/1) ... [2020-09-21 11:11:22,334 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:11:22,335 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:11:22,335 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:11:22,335 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:11:22,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:22" (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 [2020-09-21 11:11:22,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:11:22,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:11:22,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:11:22,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:11:22,452 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:11:22,453 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:11:22,453 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-21 11:11:22,453 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:11:22,453 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:11:22,453 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:11:22,454 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:11:22,454 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:11:22,454 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 11:11:22,454 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:11:22,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-21 11:11:22,455 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:11:22,455 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:11:22,455 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:11:22,455 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:11:22,456 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:11:22,456 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:11:22,456 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:11:22,456 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:11:22,456 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:11:22,456 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:11:22,457 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:11:22,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:11:22,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:11:22,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:11:22,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:11:22,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:11:22,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:11:22,458 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:11:22,458 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:11:22,458 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:11:22,458 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:11:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:11:22,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:11:22,459 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:11:22,459 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:11:22,459 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:11:22,459 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:11:22,459 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:11:22,460 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:11:22,460 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:11:22,460 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:11:22,460 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:11:22,460 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:11:22,460 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 11:11:22,460 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-21 11:11:22,461 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:11:22,461 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-21 11:11:22,461 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:11:22,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:11:22,461 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:11:22,461 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:11:22,462 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:11:22,462 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:11:22,462 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:11:22,462 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:11:22,462 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:11:22,462 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:11:22,463 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:11:22,463 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:11:22,463 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:11:22,463 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:11:22,463 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:11:22,463 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:11:22,464 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:11:22,464 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:11:22,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:11:22,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:11:22,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:11:22,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:11:22,465 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:11:22,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:11:22,465 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:11:22,465 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:11:22,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:11:22,465 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:11:22,466 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:11:22,466 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:11:22,466 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:11:22,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:11:22,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:11:22,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:11:23,579 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:11:23,579 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:11:23,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:11:23 BoogieIcfgContainer [2020-09-21 11:11:23,586 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:11:23,587 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:11:23,587 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:11:23,591 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:11:23,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:11:21" (1/3) ... [2020-09-21 11:11:23,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29aaf65e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:11:23, skipping insertion in model container [2020-09-21 11:11:23,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:22" (2/3) ... [2020-09-21 11:11:23,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29aaf65e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:11:23, skipping insertion in model container [2020-09-21 11:11:23,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:11:23" (3/3) ... [2020-09-21 11:11:23,596 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product11.cil.c [2020-09-21 11:11:23,608 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:11:23,618 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:11:23,638 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:11:23,667 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:11:23,668 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:11:23,668 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:11:23,668 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:11:23,668 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:11:23,668 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:11:23,668 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:11:23,669 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:11:23,696 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2020-09-21 11:11:23,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 11:11:23,707 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:23,708 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:11:23,709 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:23,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:23,716 INFO L82 PathProgramCache]: Analyzing trace with hash -1153338705, now seen corresponding path program 1 times [2020-09-21 11:11:23,725 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:23,725 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [786528343] [2020-09-21 11:11:23,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:23,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:24,013 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:24,014 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:24,014 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:24,014 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:24,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 11:11:24,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:24,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:11:24,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:24,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:24,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 11:11:24,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:24,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:24,428 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:24,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:24,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:24,465 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:24,466 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:24,466 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:24,466 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:24,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:24,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:24,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:11:24,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:24,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:24,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:24,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:24,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:24,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:24,537 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:24,537 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:24,538 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:24,538 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:24,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:24,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:24,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:24,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:24,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:24,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:24,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:24,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:24,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:24,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:24,544 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:24,544 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:24,545 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:24,545 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:24,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:24,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:24,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:24,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:24,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:24,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:24,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:24,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:24,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:24,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:24,551 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:24,552 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:24,552 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:24,552 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:24,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:24,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:24,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:24,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:24,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:24,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:24,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:24,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:24,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:24,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:24,559 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:24,560 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:24,560 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:24,560 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:24,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:24,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:24,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:24,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:24,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:24,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:24,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:24,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:24,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:11:24,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:24,566 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:24,567 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:24,567 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:24,567 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:24,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:24,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:24,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:24,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:24,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:24,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:24,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:24,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:24,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:11:24,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:24,574 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:24,575 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:24,575 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:24,575 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:24,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:24,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:24,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:24,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:24,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:24,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:24,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:24,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:24,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:11:24,590 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [786528343] [2020-09-21 11:11:24,593 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:24,593 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:11:24,594 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772776297] [2020-09-21 11:11:24,600 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:11:24,600 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:24,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:11:24,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:11:24,622 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 3 states. [2020-09-21 11:11:25,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:25,590 INFO L93 Difference]: Finished difference Result 219 states and 293 transitions. [2020-09-21 11:11:25,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:11:25,593 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 11:11:25,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:25,611 INFO L225 Difference]: With dead ends: 219 [2020-09-21 11:11:25,611 INFO L226 Difference]: Without dead ends: 120 [2020-09-21 11:11:25,616 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:11:25,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-09-21 11:11:25,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 90. [2020-09-21 11:11:25,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-09-21 11:11:25,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2020-09-21 11:11:25,712 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 46 [2020-09-21 11:11:25,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:25,713 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2020-09-21 11:11:25,713 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:11:25,713 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2020-09-21 11:11:25,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 11:11:25,717 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:25,717 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:11:25,717 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:11:25,718 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:25,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:25,718 INFO L82 PathProgramCache]: Analyzing trace with hash -976475527, now seen corresponding path program 1 times [2020-09-21 11:11:25,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:25,719 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2055409097] [2020-09-21 11:11:25,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:25,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:25,786 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:25,786 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:25,786 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:25,787 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:25,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:11:25,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:25,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:11:25,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:25,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:25,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:11:25,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:11:25,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:26,081 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:26,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:26,090 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:26,091 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:26,091 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:26,091 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:26,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:26,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:26,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:26,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:26,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:26,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:26,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:26,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:26,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:26,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:26,130 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:26,130 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:26,130 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:26,130 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:26,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:26,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:26,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:26,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:26,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:26,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:26,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:26,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:26,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:26,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:26,135 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:26,135 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:26,136 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:26,136 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:26,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:26,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:26,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:26,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:26,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:26,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:26,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:26,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:26,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:26,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:26,140 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:26,141 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:26,141 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:26,141 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:26,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:26,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:26,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:26,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:26,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:26,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:26,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:26,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:26,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:26,147 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:26,147 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:26,147 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:26,147 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:26,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:26,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:26,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:26,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:26,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:26,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:26,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:26,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:26,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:11:26,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:26,152 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:26,152 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:26,153 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:26,153 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:26,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:26,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:26,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:26,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:26,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:26,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:26,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:26,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:26,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:11:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:26,158 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:26,158 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:26,159 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:26,159 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:26,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:26,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:26,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:26,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:26,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:26,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:26,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:26,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:26,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:11:26,199 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2055409097] [2020-09-21 11:11:26,199 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:26,200 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:11:26,200 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700627948] [2020-09-21 11:11:26,202 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:11:26,202 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:26,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:11:26,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:11:26,203 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 4 states. [2020-09-21 11:11:26,644 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:11:27,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:27,256 INFO L93 Difference]: Finished difference Result 143 states and 174 transitions. [2020-09-21 11:11:27,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:11:27,257 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 11:11:27,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:27,259 INFO L225 Difference]: With dead ends: 143 [2020-09-21 11:11:27,259 INFO L226 Difference]: Without dead ends: 104 [2020-09-21 11:11:27,261 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:11:27,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-09-21 11:11:27,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 81. [2020-09-21 11:11:27,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-09-21 11:11:27,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 92 transitions. [2020-09-21 11:11:27,287 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 92 transitions. Word has length 47 [2020-09-21 11:11:27,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:27,288 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 92 transitions. [2020-09-21 11:11:27,288 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:11:27,288 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 92 transitions. [2020-09-21 11:11:27,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 11:11:27,290 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:27,290 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:11:27,290 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:11:27,291 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:27,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:27,291 INFO L82 PathProgramCache]: Analyzing trace with hash 560294279, now seen corresponding path program 1 times [2020-09-21 11:11:27,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:27,292 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [181615794] [2020-09-21 11:11:27,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:27,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:27,720 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:11:27,721 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:27,721 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:27,721 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:27,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-21 11:11:27,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:27,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 362 [2020-09-21 11:11:27,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:27,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:11:27,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:27,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 11:11:27,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:28,061 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:28,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:28,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:28,158 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:28,158 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:28,158 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:28,159 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:28,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:28,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:28,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-21 11:11:28,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:28,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:28,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:28,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:28,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:28,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:28,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:28,200 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:28,201 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:28,201 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:28,201 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:28,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:28,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:28,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:28,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:28,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:28,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:28,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:28,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:28,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:28,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:28,207 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:28,207 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:28,207 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:28,208 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:28,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:28,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:28,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:28,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:28,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:28,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:28,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:28,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:28,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:28,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:28,214 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:28,214 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:28,214 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:28,214 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:28,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:28,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:28,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:28,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:28,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:28,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:28,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:28,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:28,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:28,221 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:28,221 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:28,221 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:28,221 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:28,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:28,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:28,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:28,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:28,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:28,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:28,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:28,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:28,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:11:28,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:28,227 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:28,227 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:28,227 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:28,227 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:28,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:28,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:28,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:28,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:28,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:28,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:28,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:28,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:28,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:11:28,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:28,233 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:28,233 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:28,233 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:28,234 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:28,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:28,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:28,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:28,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:28,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:28,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:28,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:28,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:28,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:11:28,243 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [181615794] [2020-09-21 11:11:28,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:28,243 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:11:28,243 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269143133] [2020-09-21 11:11:28,244 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:11:28,244 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:28,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:11:28,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:11:28,245 INFO L87 Difference]: Start difference. First operand 81 states and 92 transitions. Second operand 4 states. [2020-09-21 11:11:28,576 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:29,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:29,465 INFO L93 Difference]: Finished difference Result 226 states and 278 transitions. [2020-09-21 11:11:29,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:11:29,467 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 11:11:29,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:29,470 INFO L225 Difference]: With dead ends: 226 [2020-09-21 11:11:29,471 INFO L226 Difference]: Without dead ends: 169 [2020-09-21 11:11:29,472 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:11:29,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2020-09-21 11:11:29,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 126. [2020-09-21 11:11:29,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-09-21 11:11:29,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2020-09-21 11:11:29,516 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 51 [2020-09-21 11:11:29,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:29,517 INFO L479 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2020-09-21 11:11:29,517 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:11:29,517 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2020-09-21 11:11:29,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-09-21 11:11:29,519 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:29,519 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:11:29,520 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:11:29,520 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:29,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:29,520 INFO L82 PathProgramCache]: Analyzing trace with hash 1587380888, now seen corresponding path program 1 times [2020-09-21 11:11:29,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:29,521 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1219981403] [2020-09-21 11:11:29,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:29,946 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:11:29,946 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:29,947 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:29,947 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:29,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 11:11:29,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:29,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 379 [2020-09-21 11:11:29,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:29,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:11:29,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:29,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-21 11:11:29,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:30,349 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:30,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:30,481 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:30,482 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:30,482 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:30,483 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:30,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:30,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:30,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-09-21 11:11:30,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:30,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:30,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:30,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:30,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:30,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:30,568 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:30,568 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:30,569 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:30,569 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:30,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:30,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:30,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:30,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:30,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:30,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:30,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:30,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:30,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:30,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:30,581 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:30,582 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:30,582 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:30,582 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:30,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:30,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:30,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:30,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:30,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:30,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:30,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:30,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:30,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:30,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:30,589 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:30,589 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:30,589 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:30,590 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:30,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:30,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:30,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:30,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:30,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:30,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:30,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:30,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:30,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:30,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:30,597 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:30,597 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:30,598 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:30,598 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:30,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:30,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:30,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:30,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:30,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:30,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:30,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:30,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:30,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-21 11:11:30,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:30,605 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:30,605 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:30,606 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:30,606 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:30,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:30,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:30,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:30,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:30,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:30,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:30,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:30,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:30,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:11:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:30,623 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:30,623 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:30,623 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:30,624 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:30,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:30,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:30,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:11:30,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:30,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:11:30,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:30,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:30,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:30,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-21 11:11:30,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:30,653 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:30,653 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:30,653 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:30,654 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:30,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:30,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:30,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:30,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:30,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:30,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:30,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:30,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:30,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:11:30,680 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1219981403] [2020-09-21 11:11:30,680 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:30,680 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:11:30,681 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794174779] [2020-09-21 11:11:30,682 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:11:30,682 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:30,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:11:30,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:11:30,684 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 7 states. [2020-09-21 11:11:31,375 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:32,249 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:32,643 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:32,933 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:33,223 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:33,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:33,588 INFO L93 Difference]: Finished difference Result 340 states and 432 transitions. [2020-09-21 11:11:33,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:11:33,589 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2020-09-21 11:11:33,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:33,592 INFO L225 Difference]: With dead ends: 340 [2020-09-21 11:11:33,592 INFO L226 Difference]: Without dead ends: 238 [2020-09-21 11:11:33,594 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:11:33,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-09-21 11:11:33,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 223. [2020-09-21 11:11:33,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-09-21 11:11:33,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 269 transitions. [2020-09-21 11:11:33,660 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 269 transitions. Word has length 54 [2020-09-21 11:11:33,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:33,660 INFO L479 AbstractCegarLoop]: Abstraction has 223 states and 269 transitions. [2020-09-21 11:11:33,661 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:11:33,661 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 269 transitions. [2020-09-21 11:11:33,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-21 11:11:33,664 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:33,664 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:11:33,664 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:11:33,665 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:33,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:33,665 INFO L82 PathProgramCache]: Analyzing trace with hash -660855694, now seen corresponding path program 1 times [2020-09-21 11:11:33,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:33,666 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [705576557] [2020-09-21 11:11:33,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:33,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:33,870 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:33,871 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:33,871 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:33,871 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:33,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-21 11:11:33,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:33,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 165 [2020-09-21 11:11:33,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:33,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:11:33,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:33,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-21 11:11:33,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:34,170 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:34,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:34,240 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:34,240 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:34,240 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:34,241 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:34,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:34,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:34,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-21 11:11:34,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:34,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:34,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:34,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:34,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:34,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:34,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:34,285 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:34,286 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:34,286 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:34,286 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:34,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:34,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:34,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:34,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:34,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:34,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:34,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:34,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:34,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:34,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:34,291 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:34,292 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:34,292 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:34,292 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:34,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:34,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:34,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:34,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:34,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:34,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:34,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:34,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:34,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:34,298 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:34,298 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:34,298 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:34,298 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:34,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:34,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:34,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:34,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:34,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:34,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:34,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:34,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:34,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:34,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:34,305 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:34,305 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:34,305 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:34,306 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:34,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:34,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:34,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:34,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:34,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:34,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:34,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:34,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:34,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:11:34,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:34,319 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:34,320 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:34,320 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:34,320 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:34,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:34,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:34,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:34,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:34,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:34,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:34,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:34,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:34,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:11:34,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:34,326 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:34,326 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:34,327 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:34,327 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:34,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:34,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:34,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:34,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:34,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:34,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-21 11:11:34,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:34,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:34,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:11:34,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:34,333 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:34,333 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:34,333 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:34,334 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:34,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:34,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:34,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:34,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:34,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:34,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:34,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:34,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:34,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:11:34,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:34,340 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:34,340 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:34,341 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:34,341 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:34,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:34,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:34,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:34,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:34,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:34,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:34,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:34,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:34,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:11:34,355 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [705576557] [2020-09-21 11:11:34,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:34,355 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:11:34,356 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417116009] [2020-09-21 11:11:34,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:11:34,358 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:34,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:11:34,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:11:34,359 INFO L87 Difference]: Start difference. First operand 223 states and 269 transitions. Second operand 5 states. [2020-09-21 11:11:34,729 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:35,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:35,233 INFO L93 Difference]: Finished difference Result 368 states and 459 transitions. [2020-09-21 11:11:35,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:11:35,234 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-09-21 11:11:35,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:35,237 INFO L225 Difference]: With dead ends: 368 [2020-09-21 11:11:35,237 INFO L226 Difference]: Without dead ends: 202 [2020-09-21 11:11:35,238 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:11:35,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2020-09-21 11:11:35,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 189. [2020-09-21 11:11:35,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-09-21 11:11:35,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 218 transitions. [2020-09-21 11:11:35,282 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 218 transitions. Word has length 58 [2020-09-21 11:11:35,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:35,282 INFO L479 AbstractCegarLoop]: Abstraction has 189 states and 218 transitions. [2020-09-21 11:11:35,282 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:11:35,282 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 218 transitions. [2020-09-21 11:11:35,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-21 11:11:35,284 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:35,284 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:11:35,285 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:11:35,285 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:35,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:35,285 INFO L82 PathProgramCache]: Analyzing trace with hash 2098146130, now seen corresponding path program 1 times [2020-09-21 11:11:35,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:35,286 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2012104047] [2020-09-21 11:11:35,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:35,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:35,664 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:35,665 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:35,665 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:35,666 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:35,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-21 11:11:35,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:35,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 338 [2020-09-21 11:11:35,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:35,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:11:35,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:35,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-21 11:11:35,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:36,104 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:36,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:36,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:36,150 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:36,150 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:36,151 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:36,151 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:36,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:36,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:36,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-21 11:11:36,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:36,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:36,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:36,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:36,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:36,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:36,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:36,183 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:36,183 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:36,183 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:36,183 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:36,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:36,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:36,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:36,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:36,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:36,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:36,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:36,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:36,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:36,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:36,188 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:36,188 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:36,188 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:36,188 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:36,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:36,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:36,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:36,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:36,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:36,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:36,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:36,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:36,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:36,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:36,196 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:36,196 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:36,196 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:36,197 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:36,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:36,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:36,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:36,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:36,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:36,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:36,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:36,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:36,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:36,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:36,203 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:36,203 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:36,203 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:36,204 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:36,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:36,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:36,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:36,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:36,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:36,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:36,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:36,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:36,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:11:36,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:36,226 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:36,227 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:36,227 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:36,227 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:36,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:36,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:36,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:11:36,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:36,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:11:36,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:11:36,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:11:36,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:36,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:11:36,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:36,293 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:36,293 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:36,294 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:36,294 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:36,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:36,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:36,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:36,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:36,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:36,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:36,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:36,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:36,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:11:36,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:36,303 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:36,303 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:36,303 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:36,304 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:36,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:36,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:36,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:11:36,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:36,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:11:36,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:36,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:36,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:36,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:11:36,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:36,327 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:36,328 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:36,328 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:36,328 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:36,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:36,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:36,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:36,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:36,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:36,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:36,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:36,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:36,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:11:36,346 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2012104047] [2020-09-21 11:11:36,348 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:36,348 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:11:36,348 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176359468] [2020-09-21 11:11:36,349 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:11:36,349 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:36,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:11:36,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:11:36,349 INFO L87 Difference]: Start difference. First operand 189 states and 218 transitions. Second operand 10 states. [2020-09-21 11:11:36,867 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:37,514 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:38,147 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:38,486 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:38,811 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:39,128 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:39,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:39,362 INFO L93 Difference]: Finished difference Result 281 states and 337 transitions. [2020-09-21 11:11:39,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 11:11:39,363 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-09-21 11:11:39,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:39,364 INFO L225 Difference]: With dead ends: 281 [2020-09-21 11:11:39,364 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:11:39,365 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2020-09-21 11:11:39,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:11:39,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:11:39,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:11:39,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:11:39,366 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-09-21 11:11:39,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:39,366 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:11:39,366 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:11:39,366 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:11:39,366 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:11:39,366 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:11:39,369 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:11:39,587 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:39,754 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:40,018 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 11:11:40,275 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:11:40,526 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:11:40,683 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:40,841 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:40,996 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:41,262 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 15 [2020-09-21 11:11:41,529 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 11:11:41,784 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:11:42,028 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:11:42,199 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:42,349 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:42,505 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:42,660 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:42,814 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:43,229 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 120 [2020-09-21 11:11:43,369 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:43,527 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:43,677 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:43,829 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:43,982 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:44,135 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:44,287 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:44,436 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:44,589 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:44,749 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:44,904 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:45,057 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:45,209 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:45,360 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:45,515 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:45,668 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:45,825 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:45,979 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:46,132 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:46,284 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:46,436 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:46,583 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:46,738 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:46,891 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:47,041 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:47,189 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:47,343 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:47,495 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:47,788 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 21 [2020-09-21 11:11:48,077 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 21 [2020-09-21 11:11:48,292 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 15 [2020-09-21 11:11:48,441 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:48,590 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:48,746 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:48,902 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:49,055 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:49,206 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:49,353 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:49,507 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:49,661 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:49,953 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-21 11:11:50,243 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-21 11:11:50,536 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-21 11:11:50,691 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:50,916 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:11:51,513 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 17 [2020-09-21 11:11:51,748 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:11:52,405 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 17 [2020-09-21 11:11:52,626 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:11:52,850 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:11:53,119 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:11:53,444 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:53,691 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:11:53,907 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-09-21 11:11:54,121 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-09-21 11:11:54,745 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 17 [2020-09-21 11:11:54,980 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:11:55,619 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 17 [2020-09-21 11:11:55,835 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-09-21 11:11:56,624 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 17 [2020-09-21 11:11:56,843 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-09-21 11:11:57,496 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-09-21 11:11:57,726 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:11:57,732 INFO L268 CegarLoopResult]: For program point L574(lines 551 575) no Hoare annotation was computed. [2020-09-21 11:11:57,732 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 527 582) no Hoare annotation was computed. [2020-09-21 11:11:57,732 INFO L268 CegarLoopResult]: For program point L558(lines 558 562) no Hoare annotation was computed. [2020-09-21 11:11:57,732 INFO L268 CegarLoopResult]: For program point L558-1(lines 558 562) no Hoare annotation was computed. [2020-09-21 11:11:57,733 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-09-21 11:11:57,733 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 527 582) no Hoare annotation was computed. [2020-09-21 11:11:57,733 INFO L268 CegarLoopResult]: For program point L552-2(lines 552 573) no Hoare annotation was computed. [2020-09-21 11:11:57,733 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 527 582) no Hoare annotation was computed. [2020-09-21 11:11:57,733 INFO L268 CegarLoopResult]: For program point L609-2(lines 609 634) no Hoare annotation was computed. [2020-09-21 11:11:57,733 INFO L268 CegarLoopResult]: For program point L635(lines 608 636) no Hoare annotation was computed. [2020-09-21 11:11:57,733 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 583 642) no Hoare annotation was computed. [2020-09-21 11:11:57,733 INFO L268 CegarLoopResult]: For program point L628(line 628) no Hoare annotation was computed. [2020-09-21 11:11:57,734 INFO L268 CegarLoopResult]: For program point L628-1(line 628) no Hoare annotation was computed. [2020-09-21 11:11:57,734 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 583 642) no Hoare annotation was computed. [2020-09-21 11:11:57,734 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 583 642) no Hoare annotation was computed. [2020-09-21 11:11:57,734 INFO L268 CegarLoopResult]: For program point L615(lines 615 619) no Hoare annotation was computed. [2020-09-21 11:11:57,734 INFO L268 CegarLoopResult]: For program point L615-1(lines 615 619) no Hoare annotation was computed. [2020-09-21 11:11:57,734 INFO L268 CegarLoopResult]: For program point L610(line 610) no Hoare annotation was computed. [2020-09-21 11:11:57,735 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 859 865) the Hoare annotation is: true [2020-09-21 11:11:57,735 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 859 865) no Hoare annotation was computed. [2020-09-21 11:11:57,735 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 866 874) no Hoare annotation was computed. [2020-09-21 11:11:57,735 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 866 874) the Hoare annotation is: true [2020-09-21 11:11:57,735 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 866 874) no Hoare annotation was computed. [2020-09-21 11:11:57,735 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 270 294) the Hoare annotation is: true [2020-09-21 11:11:57,736 INFO L264 CegarLoopResult]: At program point L284(line 284) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0) (or .cse0 (not (= 2 ~waterLevel~0))))) [2020-09-21 11:11:57,736 INFO L268 CegarLoopResult]: For program point L282(lines 282 288) no Hoare annotation was computed. [2020-09-21 11:11:57,736 INFO L264 CegarLoopResult]: At program point L280(line 280) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0) (or .cse0 (not (= 2 ~waterLevel~0))))) [2020-09-21 11:11:57,736 INFO L268 CegarLoopResult]: For program point L280-1(line 280) no Hoare annotation was computed. [2020-09-21 11:11:57,736 INFO L268 CegarLoopResult]: For program point L278(lines 278 291) no Hoare annotation was computed. [2020-09-21 11:11:57,736 INFO L268 CegarLoopResult]: For program point L278-1(lines 270 294) no Hoare annotation was computed. [2020-09-21 11:11:57,736 INFO L271 CegarLoopResult]: At program point L276(line 276) the Hoare annotation is: true [2020-09-21 11:11:57,736 INFO L268 CegarLoopResult]: For program point L276-1(line 276) no Hoare annotation was computed. [2020-09-21 11:11:57,737 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 270 294) no Hoare annotation was computed. [2020-09-21 11:11:57,737 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 451 473) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:11:57,737 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 451 473) no Hoare annotation was computed. [2020-09-21 11:11:57,737 INFO L264 CegarLoopResult]: At program point L463(line 463) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:11:57,737 INFO L264 CegarLoopResult]: At program point L463-1(line 463) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:11:57,738 INFO L268 CegarLoopResult]: For program point L461(lines 461 468) no Hoare annotation was computed. [2020-09-21 11:11:57,738 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 451 473) no Hoare annotation was computed. [2020-09-21 11:11:57,738 INFO L268 CegarLoopResult]: For program point L461-1(lines 461 468) no Hoare annotation was computed. [2020-09-21 11:11:57,738 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-09-21 11:11:57,738 INFO L264 CegarLoopResult]: At program point L458(line 458) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:11:57,738 INFO L264 CegarLoopResult]: At program point L457(line 457) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:11:57,738 INFO L264 CegarLoopResult]: At program point L457-1(line 457) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:11:57,739 INFO L268 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-09-21 11:11:57,739 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-09-21 11:11:57,739 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 407 430) no Hoare annotation was computed. [2020-09-21 11:11:57,739 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-09-21 11:11:57,739 INFO L268 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2020-09-21 11:11:57,739 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-09-21 11:11:57,739 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 407 430) no Hoare annotation was computed. [2020-09-21 11:11:57,739 INFO L268 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-09-21 11:11:57,740 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 407 430) no Hoare annotation was computed. [2020-09-21 11:11:57,740 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-09-21 11:11:57,740 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-09-21 11:11:57,740 INFO L268 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-09-21 11:11:57,740 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-09-21 11:11:57,740 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-09-21 11:11:57,740 INFO L268 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-09-21 11:11:57,740 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-09-21 11:11:57,741 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-09-21 11:11:57,741 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 183 197) no Hoare annotation was computed. [2020-09-21 11:11:57,741 INFO L264 CegarLoopResult]: At program point L189(line 189) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 2)) .cse0) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-09-21 11:11:57,741 INFO L268 CegarLoopResult]: For program point L187(lines 187 193) no Hoare annotation was computed. [2020-09-21 11:11:57,741 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 183 197) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= 2 ~waterLevel~0))))) [2020-09-21 11:11:57,741 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 183 197) no Hoare annotation was computed. [2020-09-21 11:11:57,741 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 93 100) no Hoare annotation was computed. [2020-09-21 11:11:57,742 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 93 100) no Hoare annotation was computed. [2020-09-21 11:11:57,742 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 93 100) no Hoare annotation was computed. [2020-09-21 11:11:57,742 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 138 146) no Hoare annotation was computed. [2020-09-21 11:11:57,742 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 138 146) the Hoare annotation is: true [2020-09-21 11:11:57,742 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 138 146) no Hoare annotation was computed. [2020-09-21 11:11:57,742 INFO L268 CegarLoopResult]: For program point L154(lines 154 162) no Hoare annotation was computed. [2020-09-21 11:11:57,742 INFO L268 CegarLoopResult]: For program point L154-2(lines 154 162) no Hoare annotation was computed. [2020-09-21 11:11:57,742 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-09-21 11:11:57,742 INFO L268 CegarLoopResult]: For program point L177-1(line 177) no Hoare annotation was computed. [2020-09-21 11:11:57,743 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 147 182) no Hoare annotation was computed. [2020-09-21 11:11:57,743 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 147 182) no Hoare annotation was computed. [2020-09-21 11:11:57,743 INFO L268 CegarLoopResult]: For program point L166(lines 166 174) no Hoare annotation was computed. [2020-09-21 11:11:57,743 INFO L268 CegarLoopResult]: For program point L166-2(lines 166 174) no Hoare annotation was computed. [2020-09-21 11:11:57,743 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 147 182) no Hoare annotation was computed. [2020-09-21 11:11:57,743 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 852 858) no Hoare annotation was computed. [2020-09-21 11:11:57,743 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 852 858) the Hoare annotation is: true [2020-09-21 11:11:57,744 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 481 526) no Hoare annotation was computed. [2020-09-21 11:11:57,744 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 481 526) no Hoare annotation was computed. [2020-09-21 11:11:57,744 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 481 526) no Hoare annotation was computed. [2020-09-21 11:11:57,744 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 794 839) no Hoare annotation was computed. [2020-09-21 11:11:57,744 INFO L268 CegarLoopResult]: For program point L814(lines 814 821) no Hoare annotation was computed. [2020-09-21 11:11:57,744 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 794 839) no Hoare annotation was computed. [2020-09-21 11:11:57,744 INFO L268 CegarLoopResult]: For program point L808(lines 808 828) no Hoare annotation was computed. [2020-09-21 11:11:57,744 INFO L268 CegarLoopResult]: For program point L808-1(lines 808 828) no Hoare annotation was computed. [2020-09-21 11:11:57,744 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 794 839) no Hoare annotation was computed. [2020-09-21 11:11:57,745 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 438 447) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:11:57,745 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 438 447) no Hoare annotation was computed. [2020-09-21 11:11:57,745 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 438 447) no Hoare annotation was computed. [2020-09-21 11:11:57,745 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 127 137) no Hoare annotation was computed. [2020-09-21 11:11:57,745 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 127 137) no Hoare annotation was computed. [2020-09-21 11:11:57,745 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 127 137) no Hoare annotation was computed. [2020-09-21 11:11:57,745 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-09-21 11:11:57,745 INFO L268 CegarLoopResult]: For program point L132-1(line 132) no Hoare annotation was computed. [2020-09-21 11:11:57,746 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 119 126) the Hoare annotation is: true [2020-09-21 11:11:57,746 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 119 126) no Hoare annotation was computed. [2020-09-21 11:11:57,746 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 119 126) no Hoare annotation was computed. [2020-09-21 11:11:57,746 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 86 92) no Hoare annotation was computed. [2020-09-21 11:11:57,746 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 86 92) the Hoare annotation is: true [2020-09-21 11:11:57,746 INFO L264 CegarLoopResult]: At program point testENTRY(lines 202 267) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:11:57,747 INFO L264 CegarLoopResult]: At program point L250(line 250) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:11:57,747 INFO L268 CegarLoopResult]: For program point L248(lines 248 254) no Hoare annotation was computed. [2020-09-21 11:11:57,747 INFO L264 CegarLoopResult]: At program point L248-1(lines 242 255) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:11:57,747 INFO L268 CegarLoopResult]: For program point testFINAL(lines 202 267) no Hoare annotation was computed. [2020-09-21 11:11:57,747 INFO L268 CegarLoopResult]: For program point L213(lines 212 259) no Hoare annotation was computed. [2020-09-21 11:11:57,747 INFO L268 CegarLoopResult]: For program point L242(lines 242 255) no Hoare annotation was computed. [2020-09-21 11:11:57,747 INFO L264 CegarLoopResult]: At program point L234(line 234) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:11:57,748 INFO L268 CegarLoopResult]: For program point L232(lines 232 238) no Hoare annotation was computed. [2020-09-21 11:11:57,748 INFO L268 CegarLoopResult]: For program point L232-1(lines 232 238) no Hoare annotation was computed. [2020-09-21 11:11:57,748 INFO L264 CegarLoopResult]: At program point L257(lines 212 259) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:11:57,748 INFO L264 CegarLoopResult]: At program point L224(line 224) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:11:57,748 INFO L268 CegarLoopResult]: For program point L222(lines 222 228) no Hoare annotation was computed. [2020-09-21 11:11:57,748 INFO L268 CegarLoopResult]: For program point L222-1(lines 222 228) no Hoare annotation was computed. [2020-09-21 11:11:57,748 INFO L268 CegarLoopResult]: For program point L214(lines 214 218) no Hoare annotation was computed. [2020-09-21 11:11:57,748 INFO L264 CegarLoopResult]: At program point L260(lines 211 261) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:11:57,749 INFO L268 CegarLoopResult]: For program point testEXIT(lines 202 267) no Hoare annotation was computed. [2020-09-21 11:11:57,749 INFO L268 CegarLoopResult]: For program point L768(lines 768 775) no Hoare annotation was computed. [2020-09-21 11:11:57,749 INFO L268 CegarLoopResult]: For program point L762(lines 762 782) no Hoare annotation was computed. [2020-09-21 11:11:57,749 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 748 793) no Hoare annotation was computed. [2020-09-21 11:11:57,749 INFO L268 CegarLoopResult]: For program point L762-1(lines 762 782) no Hoare annotation was computed. [2020-09-21 11:11:57,749 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 748 793) no Hoare annotation was computed. [2020-09-21 11:11:57,749 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 748 793) no Hoare annotation was computed. [2020-09-21 11:11:57,749 INFO L268 CegarLoopResult]: For program point L351(lines 351 359) no Hoare annotation was computed. [2020-09-21 11:11:57,749 INFO L268 CegarLoopResult]: For program point L351-2(lines 351 359) no Hoare annotation was computed. [2020-09-21 11:11:57,750 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 343 365) no Hoare annotation was computed. [2020-09-21 11:11:57,750 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 343 365) no Hoare annotation was computed. [2020-09-21 11:11:57,750 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 343 365) no Hoare annotation was computed. [2020-09-21 11:11:57,750 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 645 747) no Hoare annotation was computed. [2020-09-21 11:11:57,750 INFO L268 CegarLoopResult]: For program point L669(lines 669 673) no Hoare annotation was computed. [2020-09-21 11:11:57,750 INFO L268 CegarLoopResult]: For program point L733(lines 733 744) no Hoare annotation was computed. [2020-09-21 11:11:57,750 INFO L268 CegarLoopResult]: For program point L696(lines 696 700) no Hoare annotation was computed. [2020-09-21 11:11:57,750 INFO L268 CegarLoopResult]: For program point L694-2(lines 694 714) no Hoare annotation was computed. [2020-09-21 11:11:57,750 INFO L268 CegarLoopResult]: For program point L715(lines 693 716) no Hoare annotation was computed. [2020-09-21 11:11:57,750 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 645 747) no Hoare annotation was computed. [2020-09-21 11:11:57,751 INFO L268 CegarLoopResult]: For program point L674(lines 674 690) no Hoare annotation was computed. [2020-09-21 11:11:57,751 INFO L268 CegarLoopResult]: For program point L734(lines 734 741) no Hoare annotation was computed. [2020-09-21 11:11:57,751 INFO L268 CegarLoopResult]: For program point L695(lines 694 714) no Hoare annotation was computed. [2020-09-21 11:11:57,751 INFO L268 CegarLoopResult]: For program point L726(line 726) no Hoare annotation was computed. [2020-09-21 11:11:57,751 INFO L268 CegarLoopResult]: For program point L726-1(line 726) no Hoare annotation was computed. [2020-09-21 11:11:57,751 INFO L268 CegarLoopResult]: For program point L691(lines 691 732) no Hoare annotation was computed. [2020-09-21 11:11:57,751 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 645 747) no Hoare annotation was computed. [2020-09-21 11:11:57,751 INFO L268 CegarLoopResult]: For program point L710(line 710) no Hoare annotation was computed. [2020-09-21 11:11:57,751 INFO L268 CegarLoopResult]: For program point L710-1(line 710) no Hoare annotation was computed. [2020-09-21 11:11:57,752 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 842 851) no Hoare annotation was computed. [2020-09-21 11:11:57,752 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 842 851) no Hoare annotation was computed. [2020-09-21 11:11:57,752 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 842 851) no Hoare annotation was computed. [2020-09-21 11:11:57,752 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:11:57,752 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 11:11:57,752 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:11:57,753 INFO L268 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-09-21 11:11:57,753 INFO L268 CegarLoopResult]: For program point L113-1(lines 102 118) no Hoare annotation was computed. [2020-09-21 11:11:57,753 INFO L268 CegarLoopResult]: For program point L109(lines 109 115) no Hoare annotation was computed. [2020-09-21 11:11:57,753 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 102 118) no Hoare annotation was computed. [2020-09-21 11:11:57,753 INFO L268 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-09-21 11:11:57,753 INFO L268 CegarLoopResult]: For program point L107-1(line 107) no Hoare annotation was computed. [2020-09-21 11:11:57,753 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 102 118) no Hoare annotation was computed. [2020-09-21 11:11:57,753 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 366 374) the Hoare annotation is: true [2020-09-21 11:11:57,753 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 366 374) no Hoare annotation was computed. [2020-09-21 11:11:57,754 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 366 374) no Hoare annotation was computed. [2020-09-21 11:11:57,754 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 322 333) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 (not (= 2 ~waterLevel~0)) .cse1))) [2020-09-21 11:11:57,754 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 322 333) no Hoare annotation was computed. [2020-09-21 11:11:57,754 INFO L268 CegarLoopResult]: For program point L326-1(lines 322 333) no Hoare annotation was computed. [2020-09-21 11:11:57,754 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:11:57,754 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:11:57,754 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:11:57,754 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 334 342) no Hoare annotation was computed. [2020-09-21 11:11:57,754 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 334 342) no Hoare annotation was computed. [2020-09-21 11:11:57,755 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 334 342) no Hoare annotation was computed. [2020-09-21 11:11:57,755 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 62 85) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or (= 2 ~waterLevel~0) .cse0 (not (= |old(~waterLevel~0)| 2))) (or (not (= |old(~waterLevel~0)| 1)) (= |old(~waterLevel~0)| ~waterLevel~0) .cse0))) [2020-09-21 11:11:57,755 INFO L264 CegarLoopResult]: At program point L75(line 75) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or (= 2 ~waterLevel~0) .cse0 (not (= |old(~waterLevel~0)| 2))) (or (not (= |old(~waterLevel~0)| 1)) (= |old(~waterLevel~0)| ~waterLevel~0) .cse0))) [2020-09-21 11:11:57,755 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 62 85) no Hoare annotation was computed. [2020-09-21 11:11:57,755 INFO L264 CegarLoopResult]: At program point L73(lines 73 79) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or (= 2 ~waterLevel~0) .cse0 (not (= |old(~waterLevel~0)| 2))) (or (not (= |old(~waterLevel~0)| 1)) (= |old(~waterLevel~0)| ~waterLevel~0) .cse0))) [2020-09-21 11:11:57,755 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 62 85) no Hoare annotation was computed. [2020-09-21 11:11:57,755 INFO L264 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 2))) (or (not (= |old(~waterLevel~0)| 1)) .cse0))) [2020-09-21 11:11:57,756 INFO L268 CegarLoopResult]: For program point L66(lines 65 84) no Hoare annotation was computed. [2020-09-21 11:11:57,756 INFO L271 CegarLoopResult]: At program point L387-2(lines 387 401) the Hoare annotation is: true [2020-09-21 11:11:57,756 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 377 406) no Hoare annotation was computed. [2020-09-21 11:11:57,756 INFO L271 CegarLoopResult]: At program point L383(line 383) the Hoare annotation is: true [2020-09-21 11:11:57,756 INFO L268 CegarLoopResult]: For program point L383-1(line 383) no Hoare annotation was computed. [2020-09-21 11:11:57,756 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 377 406) the Hoare annotation is: true [2020-09-21 11:11:57,756 INFO L271 CegarLoopResult]: At program point L402(lines 377 406) the Hoare annotation is: true [2020-09-21 11:11:57,757 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-09-21 11:11:57,757 INFO L268 CegarLoopResult]: For program point L391(lines 391 395) no Hoare annotation was computed. [2020-09-21 11:11:57,757 INFO L271 CegarLoopResult]: At program point L391-1(lines 391 395) the Hoare annotation is: true [2020-09-21 11:11:57,757 INFO L268 CegarLoopResult]: For program point L388(line 388) no Hoare annotation was computed. [2020-09-21 11:11:57,757 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 298 309) the Hoare annotation is: true [2020-09-21 11:11:57,757 INFO L268 CegarLoopResult]: For program point L302-1(lines 298 309) no Hoare annotation was computed. [2020-09-21 11:11:57,757 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 298 309) no Hoare annotation was computed. [2020-09-21 11:11:57,757 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 431 437) no Hoare annotation was computed. [2020-09-21 11:11:57,758 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 431 437) the Hoare annotation is: true [2020-09-21 11:11:57,758 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:11:57,758 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-21 11:11:57,758 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:11:57,758 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:11:57,758 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 310 321) no Hoare annotation was computed. [2020-09-21 11:11:57,758 INFO L268 CegarLoopResult]: For program point L314-1(lines 310 321) no Hoare annotation was computed. [2020-09-21 11:11:57,758 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 310 321) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or (= 2 ~waterLevel~0) .cse0 (not (= |old(~waterLevel~0)| 2))) (or (not (= |old(~waterLevel~0)| 1)) (= |old(~waterLevel~0)| ~waterLevel~0) .cse0))) [2020-09-21 11:11:57,759 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-09-21 11:11:57,759 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-09-21 11:11:57,759 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-09-21 11:11:57,759 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-09-21 11:11:57,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:11:57 BoogieIcfgContainer [2020-09-21 11:11:57,781 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:11:57,783 INFO L168 Benchmark]: Toolchain (without parser) took 36300.33 ms. Allocated memory was 139.5 MB in the beginning and 643.8 MB in the end (delta: 504.4 MB). Free memory was 102.2 MB in the beginning and 518.8 MB in the end (delta: -416.6 MB). Peak memory consumption was 524.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:11:57,784 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:11:57,784 INFO L168 Benchmark]: CACSL2BoogieTranslator took 704.35 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 101.5 MB in the beginning and 171.9 MB in the end (delta: -70.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2020-09-21 11:11:57,785 INFO L168 Benchmark]: Boogie Preprocessor took 141.88 ms. Allocated memory is still 202.9 MB. Free memory was 171.9 MB in the beginning and 167.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:11:57,786 INFO L168 Benchmark]: RCFGBuilder took 1251.39 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 167.8 MB in the beginning and 204.0 MB in the end (delta: -36.2 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. [2020-09-21 11:11:57,786 INFO L168 Benchmark]: TraceAbstraction took 34193.69 ms. Allocated memory was 235.9 MB in the beginning and 643.8 MB in the end (delta: 407.9 MB). Free memory was 202.5 MB in the beginning and 518.8 MB in the end (delta: -316.2 MB). Peak memory consumption was 528.0 MB. Max. memory is 7.1 GB. [2020-09-21 11:11:57,789 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 704.35 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 101.5 MB in the beginning and 171.9 MB in the end (delta: -70.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 141.88 ms. Allocated memory is still 202.9 MB. Free memory was 171.9 MB in the beginning and 167.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1251.39 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 167.8 MB in the beginning and 204.0 MB in the end (delta: -36.2 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 34193.69 ms. Allocated memory was 235.9 MB in the beginning and 643.8 MB in the end (delta: 407.9 MB). Free memory was 202.5 MB in the beginning and 518.8 MB in the end (delta: -316.2 MB). Peak memory consumption was 528.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || ((\old(waterLevel) == waterLevel && splverifierCounter <= 0) && pumpRunning == 0)) || ((2 == waterLevel && splverifierCounter <= 0) && pumpRunning == 0)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.7s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 10.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 18.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 460 SDtfs, 625 SDslu, 339 SDs, 0 SdLazy, 1251 SolverSat, 369 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 148 GetRequests, 109 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=223occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 124 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 272 PreInvPairs, 307 NumberOfFragments, 832 HoareAnnotationTreeSize, 272 FomulaSimplifications, 37913 FormulaSimplificationTreeSizeReduction, 11.3s HoareSimplificationTime, 44 FomulaSimplificationsInter, 10036 FormulaSimplificationTreeSizeReductionInter, 6.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 314 NumberOfCodeBlocks, 314 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 308 ConstructedInterpolants, 0 QuantifiedInterpolants, 86154 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...