/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 enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:07:57,377 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:07:57,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:07:57,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:07:57,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:07:57,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:07:57,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:07:57,411 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:07:57,412 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:07:57,413 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:07:57,414 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:07:57,415 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:07:57,416 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:07:57,417 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:07:57,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:07:57,419 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:07:57,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:07:57,421 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:07:57,423 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:07:57,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:07:57,427 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:07:57,428 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:07:57,429 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:07:57,430 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:07:57,433 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:07:57,433 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:07:57,434 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:07:57,435 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:07:57,435 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:07:57,436 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:07:57,436 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:07:57,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:07:57,438 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:07:57,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:07:57,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:07:57,440 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:07:57,441 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:07:57,441 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:07:57,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:07:57,442 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:07:57,443 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:07:57,444 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 12:07:57,478 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:07:57,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:07:57,479 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:07:57,480 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:07:57,480 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:07:57,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:07:57,480 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:07:57,481 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:07:57,481 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:07:57,481 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:07:57,481 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:07:57,481 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:07:57,482 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:07:57,482 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:07:57,482 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:07:57,482 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:07:57,482 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:07:57,483 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:07:57,483 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:07:57,483 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:07:57,483 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:07:57,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:07:57,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:07:57,484 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:07:57,484 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:07:57,484 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:07:57,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:07:57,485 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:07:57,485 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:07:57,485 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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:07:57,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:07:57,973 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:07:57,980 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:07:57,981 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:07:57,982 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:07:57,984 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product03.cil.c [2020-09-21 12:07:58,066 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/709dfd86f/76c3e0efd6084f54bedc82cfbbef69c7/FLAGc7743ecaf [2020-09-21 12:07:58,670 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:07:58,671 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product03.cil.c [2020-09-21 12:07:58,686 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/709dfd86f/76c3e0efd6084f54bedc82cfbbef69c7/FLAGc7743ecaf [2020-09-21 12:07:58,950 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/709dfd86f/76c3e0efd6084f54bedc82cfbbef69c7 [2020-09-21 12:07:58,962 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:07:58,967 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:07:58,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:07:58,970 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:07:58,974 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:07:58,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:07:58" (1/1) ... [2020-09-21 12:07:58,981 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27030054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:07:58, skipping insertion in model container [2020-09-21 12:07:58,981 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:07:58" (1/1) ... [2020-09-21 12:07:58,991 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:07:59,067 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:07:59,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:07:59,455 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:07:59,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:07:59,681 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:07:59,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:07:59 WrapperNode [2020-09-21 12:07:59,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:07:59,683 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:07:59,683 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:07:59,683 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:07:59,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:07:59" (1/1) ... [2020-09-21 12:07:59,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:07:59" (1/1) ... [2020-09-21 12:07:59,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:07:59" (1/1) ... [2020-09-21 12:07:59,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:07:59" (1/1) ... [2020-09-21 12:07:59,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:07:59" (1/1) ... [2020-09-21 12:07:59,775 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:07:59" (1/1) ... [2020-09-21 12:07:59,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:07:59" (1/1) ... [2020-09-21 12:07:59,788 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:07:59,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:07:59,789 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:07:59,789 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:07:59,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:07:59" (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 12:07:59,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:07:59,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:07:59,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:07:59,876 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:07:59,876 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:07:59,876 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:07:59,876 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:07:59,876 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:07:59,877 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:07:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:07:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 12:07:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:07:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:07:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:07:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:07:59,879 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:07:59,880 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:07:59,880 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:07:59,880 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:07:59,880 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:07:59,880 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:07:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:07:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:07:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:07:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:07:59,882 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:07:59,882 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:07:59,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:07:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:07:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:07:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:07:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:07:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:07:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-21 12:07:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-21 12:07:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:07:59,884 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:07:59,884 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:07:59,884 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:07:59,884 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:07:59,885 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:07:59,885 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:07:59,885 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:07:59,885 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:07:59,885 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:07:59,885 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:07:59,885 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:07:59,886 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 12:07:59,886 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-21 12:07:59,886 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:07:59,886 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:07:59,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:07:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:07:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:07:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:07:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:07:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:07:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:07:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:07:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:07:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:07:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:07:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:07:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-21 12:07:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:07:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:07:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:07:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:07:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:07:59,890 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:07:59,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:07:59,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:07:59,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:07:59,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:07:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:07:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:07:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:07:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:07:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:07:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:07:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:07:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:07:59,894 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:07:59,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:07:59,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:07:59,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:08:00,952 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:08:00,952 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:08:00,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:08:00 BoogieIcfgContainer [2020-09-21 12:08:00,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:08:00,968 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:08:00,968 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:08:00,972 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:08:00,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:07:58" (1/3) ... [2020-09-21 12:08:00,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5328d2a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:08:00, skipping insertion in model container [2020-09-21 12:08:00,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:07:59" (2/3) ... [2020-09-21 12:08:00,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5328d2a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:08:00, skipping insertion in model container [2020-09-21 12:08:00,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:08:00" (3/3) ... [2020-09-21 12:08:00,976 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product03.cil.c [2020-09-21 12:08:00,988 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:08:01,000 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:08:01,023 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:08:01,051 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:08:01,051 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:08:01,051 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:08:01,051 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:08:01,052 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:08:01,052 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:08:01,052 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:08:01,052 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:08:01,076 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2020-09-21 12:08:01,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 12:08:01,086 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:08:01,087 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 12:08:01,088 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:08:01,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:08:01,094 INFO L82 PathProgramCache]: Analyzing trace with hash 1808633818, now seen corresponding path program 1 times [2020-09-21 12:08:01,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:08:01,103 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [569592620] [2020-09-21 12:08:01,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:08:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:01,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:01,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:02,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:02,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 12:08:02,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:08:02,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1037 [2020-09-21 12:08:02,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:02,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:02,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 12:08:02,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:02,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:08:02,991 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:02,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:08:03,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:03,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:03,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:03,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:03,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:03,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-09-21 12:08:03,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:03,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:03,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:03,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:03,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-09-21 12:08:03,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:08:03,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:03,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:03,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:03,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:03,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:03,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:03,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:03,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:03,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:03,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:03,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:03,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:08:03,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:03,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:03,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:03,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:03,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:03,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:03,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:03,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:03,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:03,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:03,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:03,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:08:03,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:03,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:03,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:03,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:03,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:03,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:08:03,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:03,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:03,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:03,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:03,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:03,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:08:03,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:03,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:03,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:03,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:03,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:03,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:08:03,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:03,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:03,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:03,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:03,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:03,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:08:03,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:03,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:03,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:03,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:03,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:03,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:08:03,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:03,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:03,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:03,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:03,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:08:03,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 12:08:03,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:03,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:03,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:03,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:03,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:03,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:08:03,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:03,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:03,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:03,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:03,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:03,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 12:08:03,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:03,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:03,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:03,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:03,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:03,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:08:03,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:03,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:03,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:03,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:03,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:03,304 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 12:08:03,305 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [569592620] [2020-09-21 12:08:03,309 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:08:03,309 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:08:03,310 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215832799] [2020-09-21 12:08:03,318 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:08:03,319 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:08:03,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:08:03,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:08:03,350 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 4 states. [2020-09-21 12:08:04,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:08:04,443 INFO L93 Difference]: Finished difference Result 219 states and 292 transitions. [2020-09-21 12:08:04,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 12:08:04,445 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 12:08:04,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:08:04,462 INFO L225 Difference]: With dead ends: 219 [2020-09-21 12:08:04,463 INFO L226 Difference]: Without dead ends: 125 [2020-09-21 12:08:04,468 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:08:04,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-09-21 12:08:04,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 95. [2020-09-21 12:08:04,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-09-21 12:08:04,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 110 transitions. [2020-09-21 12:08:04,557 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 110 transitions. Word has length 51 [2020-09-21 12:08:04,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:08:04,558 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 110 transitions. [2020-09-21 12:08:04,558 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:08:04,558 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 110 transitions. [2020-09-21 12:08:04,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 12:08:04,561 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:08:04,562 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] [2020-09-21 12:08:04,562 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:08:04,562 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:08:04,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:08:04,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1285910176, now seen corresponding path program 1 times [2020-09-21 12:08:04,563 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:08:04,563 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [244837236] [2020-09-21 12:08:04,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:08:04,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:04,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:04,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:05,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:05,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 12:08:05,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:08:05,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1052 [2020-09-21 12:08:05,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:05,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:05,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 12:08:05,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:08:05,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:06,131 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:06,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:08:06,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:06,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:06,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:06,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:06,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:06,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-21 12:08:06,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:06,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:06,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:06,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:06,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:06,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:08:06,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:06,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:06,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:06,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:06,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:06,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:06,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:06,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:06,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:06,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:06,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:06,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:08:06,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:06,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:06,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:06,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:06,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:06,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:08:06,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:06,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:06,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:06,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:06,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:06,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:08:06,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:06,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:06,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:06,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:06,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:06,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:06,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:06,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:06,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:06,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:06,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:06,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:08:06,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:06,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:06,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:06,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:06,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:06,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:08:06,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:06,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:06,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:06,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:06,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:06,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:08:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:06,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:06,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:06,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:06,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:06,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:06,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:06,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:06,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:06,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:06,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:06,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:08:06,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:06,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:06,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:06,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:06,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:06,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:08:06,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:06,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:06,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:06,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:06,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:06,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 12:08:06,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:06,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:06,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:06,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:06,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:06,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:06,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:06,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:06,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:06,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:06,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:06,349 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 12:08:06,349 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [244837236] [2020-09-21 12:08:06,349 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:08:06,350 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:08:06,350 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433009543] [2020-09-21 12:08:06,354 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:08:06,354 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:08:06,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:08:06,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:08:06,355 INFO L87 Difference]: Start difference. First operand 95 states and 110 transitions. Second operand 5 states. [2020-09-21 12:08:06,938 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:07,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:08:07,488 INFO L93 Difference]: Finished difference Result 155 states and 193 transitions. [2020-09-21 12:08:07,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:08:07,488 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-09-21 12:08:07,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:08:07,491 INFO L225 Difference]: With dead ends: 155 [2020-09-21 12:08:07,491 INFO L226 Difference]: Without dead ends: 115 [2020-09-21 12:08:07,492 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:08:07,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-09-21 12:08:07,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 86. [2020-09-21 12:08:07,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-09-21 12:08:07,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 98 transitions. [2020-09-21 12:08:07,526 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 98 transitions. Word has length 52 [2020-09-21 12:08:07,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:08:07,527 INFO L479 AbstractCegarLoop]: Abstraction has 86 states and 98 transitions. [2020-09-21 12:08:07,527 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:08:07,527 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 98 transitions. [2020-09-21 12:08:07,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-09-21 12:08:07,529 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:08:07,529 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] [2020-09-21 12:08:07,530 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:08:07,530 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:08:07,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:08:07,530 INFO L82 PathProgramCache]: Analyzing trace with hash -2002808083, now seen corresponding path program 1 times [2020-09-21 12:08:07,530 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:08:07,531 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1730348518] [2020-09-21 12:08:07,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:08:07,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:07,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:08,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:08,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:08,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-09-21 12:08:08,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:08:08,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1024 [2020-09-21 12:08:08,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:08,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:08:08,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:08,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-21 12:08:08,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:09,044 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:09,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:08:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:09,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:09,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:09,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:09,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:09,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 171 [2020-09-21 12:08:09,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:09,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:09,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:09,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:08:09,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:09,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:08:09,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:09,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:09,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:09,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:09,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:09,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:09,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:09,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:09,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:09,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:08:09,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 12:08:09,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:08:09,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:09,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:09,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:09,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:09,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:09,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:09,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:09,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:09,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:09,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:08:09,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:09,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:08:09,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:09,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:09,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:09,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:09,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:09,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:08:09,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:09,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:09,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:09,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:08:09,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:09,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:08:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:09,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:09,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:09,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:09,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:09,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:09,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:09,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:09,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:09,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:08:09,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:09,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:08:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:09,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:09,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:09,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:09,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:09,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:09,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:09,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:09,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:09,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:08:09,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:09,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 12:08:09,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:09,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:09,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:09,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:09,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:09,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:08:09,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:09,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:09,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:09,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:09,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:09,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 12:08:09,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:09,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:09,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:09,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:09,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:09,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:09,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:09,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:09,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:09,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:09,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:09,373 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 12:08:09,374 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1730348518] [2020-09-21 12:08:09,375 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:08:09,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:08:09,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517297830] [2020-09-21 12:08:09,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:08:09,376 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:08:09,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:08:09,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:08:09,378 INFO L87 Difference]: Start difference. First operand 86 states and 98 transitions. Second operand 5 states. [2020-09-21 12:08:09,737 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:08:10,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:08:10,685 INFO L93 Difference]: Finished difference Result 238 states and 300 transitions. [2020-09-21 12:08:10,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:08:10,686 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-09-21 12:08:10,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:08:10,689 INFO L225 Difference]: With dead ends: 238 [2020-09-21 12:08:10,689 INFO L226 Difference]: Without dead ends: 180 [2020-09-21 12:08:10,690 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:08:10,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2020-09-21 12:08:10,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 132. [2020-09-21 12:08:10,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-09-21 12:08:10,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 155 transitions. [2020-09-21 12:08:10,747 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 155 transitions. Word has length 56 [2020-09-21 12:08:10,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:08:10,748 INFO L479 AbstractCegarLoop]: Abstraction has 132 states and 155 transitions. [2020-09-21 12:08:10,748 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:08:10,748 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2020-09-21 12:08:10,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 12:08:10,750 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:08:10,750 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:08:10,750 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:08:10,750 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:08:10,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:08:10,751 INFO L82 PathProgramCache]: Analyzing trace with hash 452268529, now seen corresponding path program 1 times [2020-09-21 12:08:10,751 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:08:10,752 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [208560893] [2020-09-21 12:08:10,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:08:10,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:10,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:11,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:11,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:11,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-09-21 12:08:11,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:08:11,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1024 [2020-09-21 12:08:11,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:11,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:08:11,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-09-21 12:08:11,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-21 12:08:11,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:12,257 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:12,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:08:12,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:12,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:12,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:12,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:12,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:12,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-21 12:08:12,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:12,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:12,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:12,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:12,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:12,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:08:12,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:12,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:12,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:12,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:12,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:12,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:12,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:12,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:12,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:12,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:12,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:12,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:08:12,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:12,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:12,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:12,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:12,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:12,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:08:12,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:12,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:12,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:12,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:12,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:12,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:08:12,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:12,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:12,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:12,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:12,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:12,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:12,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:12,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:12,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:12,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:12,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:12,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:08:12,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:12,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:12,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:12,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:12,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:12,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:12,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:12,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:12,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:12,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:12,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:12,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:08:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:12,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:12,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:12,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:12,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:12,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:12,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:12,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:12,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:12,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:12,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:12,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 12:08:12,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:12,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:12,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:12,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:12,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:12,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:12,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:12,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:12,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:12,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:08:12,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:12,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 12:08:12,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:12,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:12,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:12,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:12,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:12,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:12,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:12,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:12,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:12,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:08:12,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:12,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 12:08:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:12,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:12,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:12,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:12,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:12,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:08:12,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:12,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:08:12,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:12,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:08:12,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:12,491 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 12:08:12,492 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [208560893] [2020-09-21 12:08:12,492 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:08:12,492 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 12:08:12,492 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182127477] [2020-09-21 12:08:12,493 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 12:08:12,493 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:08:12,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 12:08:12,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:08:12,494 INFO L87 Difference]: Start difference. First operand 132 states and 155 transitions. Second operand 8 states. [2020-09-21 12:08:12,903 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:13,716 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:14,087 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:08:14,431 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-21 12:08:14,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:08:14,620 INFO L93 Difference]: Finished difference Result 249 states and 318 transitions. [2020-09-21 12:08:14,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 12:08:14,621 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2020-09-21 12:08:14,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:08:14,622 INFO L225 Difference]: With dead ends: 249 [2020-09-21 12:08:14,622 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:08:14,624 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-09-21 12:08:14,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:08:14,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:08:14,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:08:14,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:08:14,625 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2020-09-21 12:08:14,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:08:14,626 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:08:14,626 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 12:08:14,626 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:08:14,626 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:08:14,626 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:08:14,629 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:08:14,950 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 190 [2020-09-21 12:08:15,274 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 192 [2020-09-21 12:08:15,588 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 192 [2020-09-21 12:08:15,899 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 192 [2020-09-21 12:08:16,161 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 190 [2020-09-21 12:08:16,324 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:16,484 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:16,657 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:16,925 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 190 [2020-09-21 12:08:17,204 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 192 [2020-09-21 12:08:17,480 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 192 [2020-09-21 12:08:17,767 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 192 [2020-09-21 12:08:18,024 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 190 [2020-09-21 12:08:18,184 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:18,343 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:18,503 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:18,664 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:18,819 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:18,991 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:19,148 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:19,253 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 7 [2020-09-21 12:08:19,358 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 7 [2020-09-21 12:08:19,518 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:19,620 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 7 [2020-09-21 12:08:19,784 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:19,939 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:20,207 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 7 [2020-09-21 12:08:20,374 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:20,530 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:20,689 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:20,846 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:21,003 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:21,156 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:21,315 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:21,471 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:21,628 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:21,786 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:21,945 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:22,103 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:22,255 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:22,414 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:22,570 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:22,727 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:22,887 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:23,147 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 7 [2020-09-21 12:08:23,307 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:23,469 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:23,635 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:23,786 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:23,943 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:24,265 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-21 12:08:24,590 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-21 12:08:24,912 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-21 12:08:25,070 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:25,227 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:25,381 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:25,782 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 14 [2020-09-21 12:08:26,000 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:08:26,354 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 10 [2020-09-21 12:08:26,755 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 14 [2020-09-21 12:08:26,992 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:08:27,230 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:08:27,653 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 10 [2020-09-21 12:08:27,874 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 14 [2020-09-21 12:08:28,096 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:08:28,382 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:28,584 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-21 12:08:28,822 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:08:29,269 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 14 [2020-09-21 12:08:29,488 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:08:29,694 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-21 12:08:30,085 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 10 [2020-09-21 12:08:30,280 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-21 12:08:30,715 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 10 [2020-09-21 12:08:30,962 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:08:31,168 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 13 [2020-09-21 12:08:31,384 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:08:31,770 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 10 [2020-09-21 12:08:31,802 INFO L268 CegarLoopResult]: For program point L542(lines 542 546) no Hoare annotation was computed. [2020-09-21 12:08:31,803 INFO L268 CegarLoopResult]: For program point L542-1(lines 542 546) no Hoare annotation was computed. [2020-09-21 12:08:31,803 INFO L268 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-09-21 12:08:31,803 INFO L268 CegarLoopResult]: For program point L536-2(lines 536 557) no Hoare annotation was computed. [2020-09-21 12:08:31,803 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 511 566) no Hoare annotation was computed. [2020-09-21 12:08:31,803 INFO L268 CegarLoopResult]: For program point L558(lines 535 559) no Hoare annotation was computed. [2020-09-21 12:08:31,803 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 511 566) no Hoare annotation was computed. [2020-09-21 12:08:31,803 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 511 566) no Hoare annotation was computed. [2020-09-21 12:08:31,804 INFO L268 CegarLoopResult]: For program point L599(lines 599 603) no Hoare annotation was computed. [2020-09-21 12:08:31,804 INFO L268 CegarLoopResult]: For program point L599-1(lines 599 603) no Hoare annotation was computed. [2020-09-21 12:08:31,804 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 567 626) no Hoare annotation was computed. [2020-09-21 12:08:31,804 INFO L268 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-09-21 12:08:31,804 INFO L268 CegarLoopResult]: For program point L593-2(lines 593 618) no Hoare annotation was computed. [2020-09-21 12:08:31,804 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 567 626) no Hoare annotation was computed. [2020-09-21 12:08:31,804 INFO L268 CegarLoopResult]: For program point L619(lines 592 620) no Hoare annotation was computed. [2020-09-21 12:08:31,804 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 567 626) no Hoare annotation was computed. [2020-09-21 12:08:31,805 INFO L268 CegarLoopResult]: For program point L612(line 612) no Hoare annotation was computed. [2020-09-21 12:08:31,805 INFO L268 CegarLoopResult]: For program point L612-1(line 612) no Hoare annotation was computed. [2020-09-21 12:08:31,805 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 344 350) the Hoare annotation is: true [2020-09-21 12:08:31,805 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 344 350) no Hoare annotation was computed. [2020-09-21 12:08:31,805 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 351 359) no Hoare annotation was computed. [2020-09-21 12:08:31,805 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 351 359) the Hoare annotation is: true [2020-09-21 12:08:31,805 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 351 359) no Hoare annotation was computed. [2020-09-21 12:08:31,806 INFO L264 CegarLoopResult]: At program point L447(line 447) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:08:31,807 INFO L264 CegarLoopResult]: At program point L447-1(line 447) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:08:31,807 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 435 457) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:08:31,807 INFO L268 CegarLoopResult]: For program point L445(lines 445 452) no Hoare annotation was computed. [2020-09-21 12:08:31,807 INFO L268 CegarLoopResult]: For program point L445-1(lines 445 452) no Hoare annotation was computed. [2020-09-21 12:08:31,807 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-09-21 12:08:31,807 INFO L264 CegarLoopResult]: At program point L442(line 442) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:08:31,808 INFO L264 CegarLoopResult]: At program point L441(line 441) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:08:31,808 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 435 457) no Hoare annotation was computed. [2020-09-21 12:08:31,808 INFO L264 CegarLoopResult]: At program point L441-1(line 441) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:08:31,808 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 435 457) no Hoare annotation was computed. [2020-09-21 12:08:31,808 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 392 415) no Hoare annotation was computed. [2020-09-21 12:08:31,808 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 392 415) no Hoare annotation was computed. [2020-09-21 12:08:31,808 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 392 415) no Hoare annotation was computed. [2020-09-21 12:08:31,808 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-09-21 12:08:31,809 INFO L268 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-09-21 12:08:31,809 INFO L268 CegarLoopResult]: For program point L408(line 408) no Hoare annotation was computed. [2020-09-21 12:08:31,809 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-09-21 12:08:31,809 INFO L268 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-09-21 12:08:31,809 INFO L268 CegarLoopResult]: For program point L405(line 405) no Hoare annotation was computed. [2020-09-21 12:08:31,809 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-09-21 12:08:31,809 INFO L268 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-09-21 12:08:31,809 INFO L268 CegarLoopResult]: For program point L402(line 402) no Hoare annotation was computed. [2020-09-21 12:08:31,810 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-09-21 12:08:31,810 INFO L268 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-09-21 12:08:31,810 INFO L268 CegarLoopResult]: For program point L399(line 399) no Hoare annotation was computed. [2020-09-21 12:08:31,810 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-09-21 12:08:31,810 INFO L268 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-09-21 12:08:31,810 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 156 170) no Hoare annotation was computed. [2020-09-21 12:08:31,810 INFO L268 CegarLoopResult]: For program point L160(lines 160 166) no Hoare annotation was computed. [2020-09-21 12:08:31,810 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 156 170) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-09-21 12:08:31,811 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 156 170) no Hoare annotation was computed. [2020-09-21 12:08:31,811 INFO L264 CegarLoopResult]: At program point L162(line 162) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-09-21 12:08:31,811 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 111 119) no Hoare annotation was computed. [2020-09-21 12:08:31,811 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 111 119) the Hoare annotation is: true [2020-09-21 12:08:31,811 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 111 119) no Hoare annotation was computed. [2020-09-21 12:08:31,811 INFO L268 CegarLoopResult]: For program point L127(lines 127 135) no Hoare annotation was computed. [2020-09-21 12:08:31,811 INFO L268 CegarLoopResult]: For program point L127-2(lines 127 135) no Hoare annotation was computed. [2020-09-21 12:08:31,811 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-09-21 12:08:31,812 INFO L268 CegarLoopResult]: For program point L150-1(line 150) no Hoare annotation was computed. [2020-09-21 12:08:31,812 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 120 155) no Hoare annotation was computed. [2020-09-21 12:08:31,812 INFO L268 CegarLoopResult]: For program point L139(lines 139 147) no Hoare annotation was computed. [2020-09-21 12:08:31,812 INFO L268 CegarLoopResult]: For program point L139-2(lines 139 147) no Hoare annotation was computed. [2020-09-21 12:08:31,812 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 120 155) no Hoare annotation was computed. [2020-09-21 12:08:31,812 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 120 155) no Hoare annotation was computed. [2020-09-21 12:08:31,812 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 337 343) no Hoare annotation was computed. [2020-09-21 12:08:31,812 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 337 343) the Hoare annotation is: true [2020-09-21 12:08:31,812 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 465 510) no Hoare annotation was computed. [2020-09-21 12:08:31,812 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 465 510) no Hoare annotation was computed. [2020-09-21 12:08:31,813 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 465 510) no Hoare annotation was computed. [2020-09-21 12:08:31,813 INFO L268 CegarLoopResult]: For program point L798(lines 798 805) no Hoare annotation was computed. [2020-09-21 12:08:31,813 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 778 823) no Hoare annotation was computed. [2020-09-21 12:08:31,813 INFO L268 CegarLoopResult]: For program point L792(lines 792 812) no Hoare annotation was computed. [2020-09-21 12:08:31,813 INFO L268 CegarLoopResult]: For program point L792-1(lines 792 812) no Hoare annotation was computed. [2020-09-21 12:08:31,813 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 778 823) no Hoare annotation was computed. [2020-09-21 12:08:31,813 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 778 823) no Hoare annotation was computed. [2020-09-21 12:08:31,814 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 424 434) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:08:31,814 INFO L264 CegarLoopResult]: At program point L429(line 429) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-09-21 12:08:31,814 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 424 434) no Hoare annotation was computed. [2020-09-21 12:08:31,814 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 424 434) no Hoare annotation was computed. [2020-09-21 12:08:31,814 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 100 110) no Hoare annotation was computed. [2020-09-21 12:08:31,814 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 100 110) no Hoare annotation was computed. [2020-09-21 12:08:31,814 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-09-21 12:08:31,815 INFO L268 CegarLoopResult]: For program point L105-1(line 105) no Hoare annotation was computed. [2020-09-21 12:08:31,815 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 100 110) no Hoare annotation was computed. [2020-09-21 12:08:31,815 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 92 99) the Hoare annotation is: true [2020-09-21 12:08:31,815 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 92 99) no Hoare annotation was computed. [2020-09-21 12:08:31,815 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 92 99) no Hoare annotation was computed. [2020-09-21 12:08:31,815 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 77 83) no Hoare annotation was computed. [2020-09-21 12:08:31,815 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 77 83) the Hoare annotation is: true [2020-09-21 12:08:31,816 INFO L264 CegarLoopResult]: At program point testENTRY(lines 175 240) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:08:31,816 INFO L264 CegarLoopResult]: At program point L223(line 223) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-09-21 12:08:31,816 INFO L268 CegarLoopResult]: For program point L221(lines 221 227) no Hoare annotation was computed. [2020-09-21 12:08:31,816 INFO L264 CegarLoopResult]: At program point L221-1(lines 215 228) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-09-21 12:08:31,816 INFO L268 CegarLoopResult]: For program point L186(lines 185 232) no Hoare annotation was computed. [2020-09-21 12:08:31,816 INFO L268 CegarLoopResult]: For program point L215(lines 215 228) no Hoare annotation was computed. [2020-09-21 12:08:31,816 INFO L268 CegarLoopResult]: For program point testFINAL(lines 175 240) no Hoare annotation was computed. [2020-09-21 12:08:31,817 INFO L264 CegarLoopResult]: At program point L207(line 207) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-09-21 12:08:31,817 INFO L268 CegarLoopResult]: For program point L205(lines 205 211) no Hoare annotation was computed. [2020-09-21 12:08:31,817 INFO L268 CegarLoopResult]: For program point L205-1(lines 205 211) no Hoare annotation was computed. [2020-09-21 12:08:31,817 INFO L264 CegarLoopResult]: At program point L230(lines 185 232) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-09-21 12:08:31,817 INFO L264 CegarLoopResult]: At program point L197(line 197) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-09-21 12:08:31,817 INFO L268 CegarLoopResult]: For program point L195(lines 195 201) no Hoare annotation was computed. [2020-09-21 12:08:31,818 INFO L268 CegarLoopResult]: For program point L195-1(lines 195 201) no Hoare annotation was computed. [2020-09-21 12:08:31,818 INFO L268 CegarLoopResult]: For program point L187(lines 187 191) no Hoare annotation was computed. [2020-09-21 12:08:31,818 INFO L264 CegarLoopResult]: At program point L233(lines 184 234) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-09-21 12:08:31,818 INFO L268 CegarLoopResult]: For program point testEXIT(lines 175 240) no Hoare annotation was computed. [2020-09-21 12:08:31,818 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 732 777) no Hoare annotation was computed. [2020-09-21 12:08:31,818 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 732 777) no Hoare annotation was computed. [2020-09-21 12:08:31,818 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 732 777) no Hoare annotation was computed. [2020-09-21 12:08:31,818 INFO L268 CegarLoopResult]: For program point L752(lines 752 759) no Hoare annotation was computed. [2020-09-21 12:08:31,819 INFO L268 CegarLoopResult]: For program point L746(lines 746 766) no Hoare annotation was computed. [2020-09-21 12:08:31,819 INFO L268 CegarLoopResult]: For program point L746-1(lines 746 766) no Hoare annotation was computed. [2020-09-21 12:08:31,819 INFO L264 CegarLoopResult]: At program point L850(line 850) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:08:31,819 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 835 863) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:08:31,819 INFO L268 CegarLoopResult]: For program point L848(lines 848 854) no Hoare annotation was computed. [2020-09-21 12:08:31,819 INFO L268 CegarLoopResult]: For program point L847(lines 847 857) no Hoare annotation was computed. [2020-09-21 12:08:31,819 INFO L264 CegarLoopResult]: At program point L845(line 845) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:08:31,820 INFO L268 CegarLoopResult]: For program point L845-1(line 845) no Hoare annotation was computed. [2020-09-21 12:08:31,820 INFO L268 CegarLoopResult]: For program point L843(lines 843 860) no Hoare annotation was computed. [2020-09-21 12:08:31,820 INFO L268 CegarLoopResult]: For program point L843-1(lines 835 863) no Hoare annotation was computed. [2020-09-21 12:08:31,820 INFO L264 CegarLoopResult]: At program point L841(line 841) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:08:31,820 INFO L268 CegarLoopResult]: For program point L841-1(line 841) no Hoare annotation was computed. [2020-09-21 12:08:31,820 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 835 863) no Hoare annotation was computed. [2020-09-21 12:08:31,820 INFO L268 CegarLoopResult]: For program point L298(lines 298 306) no Hoare annotation was computed. [2020-09-21 12:08:31,820 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 290 312) no Hoare annotation was computed. [2020-09-21 12:08:31,821 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 306) no Hoare annotation was computed. [2020-09-21 12:08:31,821 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 290 312) no Hoare annotation was computed. [2020-09-21 12:08:31,821 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 290 312) no Hoare annotation was computed. [2020-09-21 12:08:31,821 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 827 834) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:08:31,821 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 827 834) no Hoare annotation was computed. [2020-09-21 12:08:31,821 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 827 834) no Hoare annotation was computed. [2020-09-21 12:08:31,821 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 327 336) no Hoare annotation was computed. [2020-09-21 12:08:31,822 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 327 336) no Hoare annotation was computed. [2020-09-21 12:08:31,822 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 327 336) no Hoare annotation was computed. [2020-09-21 12:08:31,822 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 629 731) no Hoare annotation was computed. [2020-09-21 12:08:31,822 INFO L268 CegarLoopResult]: For program point L694(line 694) no Hoare annotation was computed. [2020-09-21 12:08:31,822 INFO L268 CegarLoopResult]: For program point L694-1(line 694) no Hoare annotation was computed. [2020-09-21 12:08:31,822 INFO L268 CegarLoopResult]: For program point L653(lines 653 657) no Hoare annotation was computed. [2020-09-21 12:08:31,822 INFO L268 CegarLoopResult]: For program point L717(lines 717 728) no Hoare annotation was computed. [2020-09-21 12:08:31,822 INFO L268 CegarLoopResult]: For program point L680(lines 680 684) no Hoare annotation was computed. [2020-09-21 12:08:31,823 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 629 731) no Hoare annotation was computed. [2020-09-21 12:08:31,823 INFO L268 CegarLoopResult]: For program point L678-2(lines 678 698) no Hoare annotation was computed. [2020-09-21 12:08:31,823 INFO L268 CegarLoopResult]: For program point L699(lines 677 700) no Hoare annotation was computed. [2020-09-21 12:08:31,823 INFO L268 CegarLoopResult]: For program point L658(lines 658 674) no Hoare annotation was computed. [2020-09-21 12:08:31,823 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 629 731) no Hoare annotation was computed. [2020-09-21 12:08:31,823 INFO L268 CegarLoopResult]: For program point L718(lines 718 725) no Hoare annotation was computed. [2020-09-21 12:08:31,823 INFO L268 CegarLoopResult]: For program point L679(lines 678 698) no Hoare annotation was computed. [2020-09-21 12:08:31,823 INFO L268 CegarLoopResult]: For program point L710(line 710) no Hoare annotation was computed. [2020-09-21 12:08:31,824 INFO L268 CegarLoopResult]: For program point L710-1(line 710) no Hoare annotation was computed. [2020-09-21 12:08:31,824 INFO L268 CegarLoopResult]: For program point L675(lines 675 716) no Hoare annotation was computed. [2020-09-21 12:08:31,824 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:08:31,824 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 12:08:31,824 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:08:31,824 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 84 91) no Hoare annotation was computed. [2020-09-21 12:08:31,825 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 84 91) no Hoare annotation was computed. [2020-09-21 12:08:31,825 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 84 91) no Hoare annotation was computed. [2020-09-21 12:08:31,825 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 313 321) no Hoare annotation was computed. [2020-09-21 12:08:31,825 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 313 321) no Hoare annotation was computed. [2020-09-21 12:08:31,825 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 313 321) no Hoare annotation was computed. [2020-09-21 12:08:31,825 INFO L268 CegarLoopResult]: For program point L273-1(lines 269 280) no Hoare annotation was computed. [2020-09-21 12:08:31,825 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 269 280) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 12:08:31,825 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 269 280) no Hoare annotation was computed. [2020-09-21 12:08:31,826 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:08:31,826 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:08:31,826 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:08:31,826 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 281 289) the Hoare annotation is: true [2020-09-21 12:08:31,826 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 281 289) no Hoare annotation was computed. [2020-09-21 12:08:31,826 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 281 289) no Hoare annotation was computed. [2020-09-21 12:08:31,826 INFO L264 CegarLoopResult]: At program point L64(lines 64 70) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:08:31,826 INFO L264 CegarLoopResult]: At program point L59(line 59) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:08:31,826 INFO L268 CegarLoopResult]: For program point L57(lines 56 75) no Hoare annotation was computed. [2020-09-21 12:08:31,827 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 53 76) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:08:31,827 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 53 76) no Hoare annotation was computed. [2020-09-21 12:08:31,827 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 53 76) no Hoare annotation was computed. [2020-09-21 12:08:31,827 INFO L264 CegarLoopResult]: At program point L66(line 66) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:08:31,827 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 362 391) no Hoare annotation was computed. [2020-09-21 12:08:31,827 INFO L268 CegarLoopResult]: For program point L383(line 383) no Hoare annotation was computed. [2020-09-21 12:08:31,827 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 362 391) the Hoare annotation is: true [2020-09-21 12:08:31,827 INFO L268 CegarLoopResult]: For program point L376(lines 376 380) no Hoare annotation was computed. [2020-09-21 12:08:31,828 INFO L271 CegarLoopResult]: At program point L376-1(lines 376 380) the Hoare annotation is: true [2020-09-21 12:08:31,828 INFO L268 CegarLoopResult]: For program point L373(line 373) no Hoare annotation was computed. [2020-09-21 12:08:31,828 INFO L271 CegarLoopResult]: At program point L372-2(lines 372 386) the Hoare annotation is: true [2020-09-21 12:08:31,828 INFO L271 CegarLoopResult]: At program point L368(line 368) the Hoare annotation is: true [2020-09-21 12:08:31,828 INFO L268 CegarLoopResult]: For program point L368-1(line 368) no Hoare annotation was computed. [2020-09-21 12:08:31,828 INFO L271 CegarLoopResult]: At program point L387(lines 362 391) the Hoare annotation is: true [2020-09-21 12:08:31,828 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 245 256) the Hoare annotation is: true [2020-09-21 12:08:31,828 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 245 256) no Hoare annotation was computed. [2020-09-21 12:08:31,829 INFO L268 CegarLoopResult]: For program point L249-1(lines 245 256) no Hoare annotation was computed. [2020-09-21 12:08:31,829 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 416 422) no Hoare annotation was computed. [2020-09-21 12:08:31,829 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 416 422) the Hoare annotation is: true [2020-09-21 12:08:31,829 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:08:31,829 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) [2020-09-21 12:08:31,829 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:08:31,829 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:08:31,829 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 257 268) no Hoare annotation was computed. [2020-09-21 12:08:31,829 INFO L268 CegarLoopResult]: For program point L261-1(lines 257 268) no Hoare annotation was computed. [2020-09-21 12:08:31,830 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 257 268) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:08:31,830 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 865 872) no Hoare annotation was computed. [2020-09-21 12:08:31,830 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 869) no Hoare annotation was computed. [2020-09-21 12:08:31,830 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 865 872) the Hoare annotation is: true [2020-09-21 12:08:31,830 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 865 872) no Hoare annotation was computed. [2020-09-21 12:08:31,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:08:31 BoogieIcfgContainer [2020-09-21 12:08:31,849 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:08:31,851 INFO L168 Benchmark]: Toolchain (without parser) took 32887.60 ms. Allocated memory was 140.5 MB in the beginning and 579.9 MB in the end (delta: 439.4 MB). Free memory was 102.7 MB in the beginning and 309.5 MB in the end (delta: -206.7 MB). Peak memory consumption was 416.4 MB. Max. memory is 7.1 GB. [2020-09-21 12:08:31,852 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 12:08:31,852 INFO L168 Benchmark]: CACSL2BoogieTranslator took 712.26 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 102.1 MB in the beginning and 174.1 MB in the end (delta: -72.0 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. [2020-09-21 12:08:31,853 INFO L168 Benchmark]: Boogie Preprocessor took 105.46 ms. Allocated memory is still 203.4 MB. Free memory was 174.1 MB in the beginning and 170.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:08:31,854 INFO L168 Benchmark]: RCFGBuilder took 1175.22 ms. Allocated memory was 203.4 MB in the beginning and 237.5 MB in the end (delta: 34.1 MB). Free memory was 169.4 MB in the beginning and 204.0 MB in the end (delta: -34.6 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. [2020-09-21 12:08:31,855 INFO L168 Benchmark]: TraceAbstraction took 30881.17 ms. Allocated memory was 237.5 MB in the beginning and 579.9 MB in the end (delta: 342.4 MB). Free memory was 204.0 MB in the beginning and 309.5 MB in the end (delta: -105.5 MB). Peak memory consumption was 420.7 MB. Max. memory is 7.1 GB. [2020-09-21 12:08:31,859 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 712.26 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 102.1 MB in the beginning and 174.1 MB in the end (delta: -72.0 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.46 ms. Allocated memory is still 203.4 MB. Free memory was 174.1 MB in the beginning and 170.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1175.22 ms. Allocated memory was 203.4 MB in the beginning and 237.5 MB in the end (delta: 34.1 MB). Free memory was 169.4 MB in the beginning and 204.0 MB in the end (delta: -34.6 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 30881.17 ms. Allocated memory was 237.5 MB in the beginning and 579.9 MB in the end (delta: 342.4 MB). Free memory was 204.0 MB in the beginning and 309.5 MB in the end (delta: -105.5 MB). Peak memory consumption was 420.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 869]: 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: 185]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || ((splverifierCounter <= 0 && 0 <= pumpRunning) && pumpRunning <= 0) - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 205 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.5s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 5.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 17.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 313 SDtfs, 433 SDslu, 218 SDs, 0 SdLazy, 745 SolverSat, 276 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 94 GetRequests, 68 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=141occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 107 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 173 PreInvPairs, 202 NumberOfFragments, 763 HoareAnnotationTreeSize, 173 FomulaSimplifications, 27153 FormulaSimplificationTreeSizeReduction, 10.7s HoareSimplificationTime, 46 FomulaSimplificationsInter, 7100 FormulaSimplificationTreeSizeReductionInter, 6.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 7.0s InterpolantComputationTime, 218 NumberOfCodeBlocks, 218 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 58504 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...