/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:14:58,806 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:14:58,811 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:14:58,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:14:58,853 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:14:58,862 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:14:58,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:14:58,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:14:58,871 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:14:58,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:14:58,875 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:14:58,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:14:58,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:14:58,880 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:14:58,882 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:14:58,884 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:14:58,886 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:14:58,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:14:58,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:14:58,897 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:14:58,900 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:14:58,901 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:14:58,902 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:14:58,903 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:14:58,915 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:14:58,915 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:14:58,916 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:14:58,922 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:14:58,922 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:14:58,923 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:14:58,923 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:14:58,928 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:14:58,932 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:14:58,933 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:14:58,934 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:14:58,934 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:14:58,935 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:14:58,936 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:14:58,936 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:14:58,937 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:14:58,938 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:14:58,940 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 11:14:58,983 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:14:58,983 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:14:58,985 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:14:58,986 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:14:58,986 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:14:58,986 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:14:58,987 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:14:58,987 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:14:58,987 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:14:58,987 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:14:58,988 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:14:58,988 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:14:58,989 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:14:58,989 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:14:58,989 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:14:58,990 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:14:58,990 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:14:58,990 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:14:58,990 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:14:58,990 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:14:58,991 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:14:58,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:14:58,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:14:58,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:14:58,991 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:14:58,992 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:14:58,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:14:58,992 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:14:58,992 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:14:58,992 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:14:59,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:14:59,480 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:14:59,486 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:14:59,488 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:14:59,489 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:14:59,490 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product14.cil.c [2020-09-21 11:14:59,587 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/04ecbd4b8/5aad59be8b8e41d481b822c6fb075a1f/FLAGec0bb5e42 [2020-09-21 11:15:00,198 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:15:00,199 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product14.cil.c [2020-09-21 11:15:00,214 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/04ecbd4b8/5aad59be8b8e41d481b822c6fb075a1f/FLAGec0bb5e42 [2020-09-21 11:15:00,460 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/04ecbd4b8/5aad59be8b8e41d481b822c6fb075a1f [2020-09-21 11:15:00,474 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:15:00,481 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:15:00,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:15:00,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:15:00,486 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:15:00,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:15:00" (1/1) ... [2020-09-21 11:15:00,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:00, skipping insertion in model container [2020-09-21 11:15:00,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:15:00" (1/1) ... [2020-09-21 11:15:00,501 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:15:00,551 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:15:00,940 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:15:00,961 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:15:01,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:15:01,191 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:15:01,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:01 WrapperNode [2020-09-21 11:15:01,192 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:15:01,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:15:01,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:15:01,193 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:15:01,207 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:01" (1/1) ... [2020-09-21 11:15:01,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:01" (1/1) ... [2020-09-21 11:15:01,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:01" (1/1) ... [2020-09-21 11:15:01,229 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:01" (1/1) ... [2020-09-21 11:15:01,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:01" (1/1) ... [2020-09-21 11:15:01,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:01" (1/1) ... [2020-09-21 11:15:01,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:01" (1/1) ... [2020-09-21 11:15:01,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:15:01,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:15:01,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:15:01,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:15:01,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:01" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:15:01,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:15:01,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:15:01,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:15:01,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:15:01,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:15:01,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:15:01,404 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:15:01,405 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:15:01,405 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:15:01,405 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:15:01,405 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:15:01,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:15:01,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:15:01,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:15:01,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:15:01,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:15:01,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:15:01,407 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:15:01,407 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 11:15:01,407 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:15:01,407 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-21 11:15:01,407 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:15:01,408 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:15:01,408 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:15:01,408 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:15:01,408 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:15:01,408 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 11:15:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:15:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:15:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:15:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:15:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:15:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:15:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:15:01,410 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:15:01,410 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:15:01,410 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:15:01,410 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:15:01,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:15:01,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:15:01,411 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:15:01,411 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:15:01,411 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:15:01,411 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:15:01,411 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:15:01,411 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:15:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:15:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:15:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:15:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:15:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:15:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:15:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:15:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:15:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:15:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:15:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:15:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:15:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:15:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:15:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:15:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:15:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:15:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:15:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:15:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:15:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:15:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:15:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:15:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:15:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:15:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:15:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:15:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:15:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:15:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:15:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:15:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:15:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:15:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:15:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:15:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:15:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:15:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 11:15:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:15:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 11:15:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:15:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-21 11:15:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:15:01,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:15:01,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:15:01,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:15:02,558 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:15:02,559 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:15:02,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:15:02 BoogieIcfgContainer [2020-09-21 11:15:02,569 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:15:02,571 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:15:02,571 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:15:02,575 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:15:02,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:15:00" (1/3) ... [2020-09-21 11:15:02,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76f62cbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:15:02, skipping insertion in model container [2020-09-21 11:15:02,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:01" (2/3) ... [2020-09-21 11:15:02,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76f62cbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:15:02, skipping insertion in model container [2020-09-21 11:15:02,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:15:02" (3/3) ... [2020-09-21 11:15:02,581 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product14.cil.c [2020-09-21 11:15:02,593 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:15:02,606 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:15:02,629 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:15:02,660 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:15:02,660 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:15:02,660 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:15:02,660 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:15:02,660 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:15:02,660 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:15:02,661 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:15:02,661 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:15:02,686 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states. [2020-09-21 11:15:02,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 11:15:02,697 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:15:02,699 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:15:02,699 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:15:02,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:15:02,706 INFO L82 PathProgramCache]: Analyzing trace with hash -2005015922, now seen corresponding path program 1 times [2020-09-21 11:15:02,718 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:15:02,718 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1074523934] [2020-09-21 11:15:02,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:15:03,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:03,119 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:03,119 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:03,120 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:03,124 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:03,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-21 11:15:03,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:03,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 11:15:03,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:03,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:03,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 11:15:03,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:03,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:15:03,619 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:03,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:03,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:03,649 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:03,650 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:03,650 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:03,650 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:03,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:03,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:03,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:15:03,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:03,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:03,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:03,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:03,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:03,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:15:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:03,728 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:03,729 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:03,729 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:03,729 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:03,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:03,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:03,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:03,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:03,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:03,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:03,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:03,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:03,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:15:03,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:03,736 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:03,736 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:03,737 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:03,737 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:03,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:03,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:03,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:03,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:03,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:03,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:03,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:03,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:03,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:15:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:03,743 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:03,744 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:03,744 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:03,744 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:03,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:03,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:03,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:03,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:03,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:03,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:03,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:03,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:03,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:15:03,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:03,751 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:03,751 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:03,752 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:03,752 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:03,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:03,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:03,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:03,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:03,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:03,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:03,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:03,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:03,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:15:03,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:03,767 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:03,767 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:03,767 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:03,768 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:03,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:03,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:03,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:03,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:03,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:03,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:03,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:03,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:03,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:15:03,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:03,776 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:03,777 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:03,777 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:03,777 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:03,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:03,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:03,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:03,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:03,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:03,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:15:03,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:03,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:03,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:03,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:03,785 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:03,785 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:03,786 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:03,786 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:03,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:03,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:03,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:03,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:03,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:03,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:03,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:03,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:03,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:15:03,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:03,793 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:03,793 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:03,794 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:03,794 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:03,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:03,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:03,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:03,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:03,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:03,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:03,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:03,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:03,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:15:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:03,801 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:03,802 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:03,802 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:03,802 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:03,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:03,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:03,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:03,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:03,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:03,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:03,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:03,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:03,846 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:15:03,848 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1074523934] [2020-09-21 11:15:03,850 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:15:03,850 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:15:03,851 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703890097] [2020-09-21 11:15:03,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:15:03,861 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:15:03,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:15:03,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:15:03,883 INFO L87 Difference]: Start difference. First operand 167 states. Second operand 4 states. [2020-09-21 11:15:04,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:15:04,906 INFO L93 Difference]: Finished difference Result 259 states and 334 transitions. [2020-09-21 11:15:04,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:15:04,908 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-09-21 11:15:04,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:15:04,926 INFO L225 Difference]: With dead ends: 259 [2020-09-21 11:15:04,926 INFO L226 Difference]: Without dead ends: 144 [2020-09-21 11:15:04,932 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:15:04,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-09-21 11:15:05,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 116. [2020-09-21 11:15:05,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-09-21 11:15:05,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 134 transitions. [2020-09-21 11:15:05,029 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 134 transitions. Word has length 59 [2020-09-21 11:15:05,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:15:05,029 INFO L479 AbstractCegarLoop]: Abstraction has 116 states and 134 transitions. [2020-09-21 11:15:05,029 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:15:05,030 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 134 transitions. [2020-09-21 11:15:05,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-21 11:15:05,034 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:15:05,034 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:15:05,034 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:15:05,035 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:15:05,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:15:05,035 INFO L82 PathProgramCache]: Analyzing trace with hash 462950838, now seen corresponding path program 1 times [2020-09-21 11:15:05,035 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:15:05,036 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1861844264] [2020-09-21 11:15:05,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:15:05,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:05,130 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:05,130 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:05,130 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:05,131 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:05,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-09-21 11:15:05,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:05,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:15:05,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:05,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:05,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:15:05,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:15:05,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:05,523 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:05,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:05,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:05,535 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:05,535 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:05,535 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:05,536 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:05,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:05,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:05,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:05,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:05,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:05,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:05,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:05,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:05,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:15:05,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:05,572 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:05,573 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:05,573 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:05,573 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:05,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:05,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:05,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:05,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:05,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:05,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:05,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:05,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:05,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:15:05,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:05,577 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:05,577 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:05,577 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:05,577 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:05,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:05,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:05,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:05,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:05,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:05,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:05,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:05,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:05,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:15:05,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:05,582 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:05,582 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:05,582 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:05,582 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:05,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:05,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:05,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:05,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:05,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:05,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:05,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:05,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:05,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:15:05,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:05,587 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:05,587 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:05,588 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:05,588 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:05,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:05,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:05,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:05,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:05,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:05,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:05,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:05,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:05,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:15:05,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:05,603 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:05,603 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:05,603 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:05,603 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:05,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:05,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:05,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:05,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:05,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:05,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:05,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:05,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:05,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:15:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:05,609 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:05,609 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:05,609 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:05,609 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:05,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:05,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:05,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:05,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:05,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:05,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:15:05,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:05,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:05,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:05,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:05,614 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:05,614 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:05,615 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:05,615 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:05,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:05,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:05,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:05,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:05,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:05,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:05,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:05,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:05,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:15:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:05,620 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:05,620 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:05,621 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:05,621 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:05,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:05,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:05,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:05,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:05,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:05,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:05,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:05,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:05,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:15:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:05,626 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:05,626 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:05,626 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:05,626 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:05,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:05,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:05,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:05,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:05,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:05,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:05,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:05,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:05,636 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:15:05,636 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1861844264] [2020-09-21 11:15:05,636 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:15:05,637 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:15:05,637 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750732177] [2020-09-21 11:15:05,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:15:05,639 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:15:05,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:15:05,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:15:05,640 INFO L87 Difference]: Start difference. First operand 116 states and 134 transitions. Second operand 5 states. [2020-09-21 11:15:06,148 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:15:06,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:15:06,875 INFO L93 Difference]: Finished difference Result 200 states and 242 transitions. [2020-09-21 11:15:06,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:15:06,876 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-09-21 11:15:06,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:15:06,879 INFO L225 Difference]: With dead ends: 200 [2020-09-21 11:15:06,879 INFO L226 Difference]: Without dead ends: 134 [2020-09-21 11:15:06,881 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:15:06,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-09-21 11:15:06,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 107. [2020-09-21 11:15:06,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-09-21 11:15:06,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 122 transitions. [2020-09-21 11:15:06,914 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 122 transitions. Word has length 60 [2020-09-21 11:15:06,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:15:06,914 INFO L479 AbstractCegarLoop]: Abstraction has 107 states and 122 transitions. [2020-09-21 11:15:06,915 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:15:06,915 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 122 transitions. [2020-09-21 11:15:06,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-09-21 11:15:06,917 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:15:06,917 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:15:06,917 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:15:06,917 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:15:06,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:15:06,918 INFO L82 PathProgramCache]: Analyzing trace with hash -152361795, now seen corresponding path program 1 times [2020-09-21 11:15:06,918 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:15:06,918 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [207112318] [2020-09-21 11:15:06,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:15:06,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:07,368 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:15:07,368 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:07,368 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:07,369 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:07,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-21 11:15:07,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:07,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 394 [2020-09-21 11:15:07,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:07,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:15:07,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:07,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-21 11:15:07,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:07,674 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:07,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:07,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:07,754 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:07,754 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:07,754 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:07,755 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:07,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:07,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:07,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-21 11:15:07,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:07,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:07,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:07,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:15:07,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:07,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:15:07,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:07,793 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:07,793 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:07,793 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:07,793 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:07,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:07,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:07,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:07,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:07,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:07,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:07,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:07,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:07,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:15:07,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:07,798 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:07,798 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:07,798 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:07,799 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:07,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:07,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:07,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:07,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:07,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:07,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:07,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:07,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:07,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:15:07,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:07,803 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:07,804 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:07,804 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:07,804 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:07,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:07,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:07,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:07,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:07,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:07,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:07,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:07,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:07,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:15:07,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:07,809 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:07,809 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:07,809 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:07,810 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:07,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:07,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:07,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:07,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:07,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:07,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:07,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:07,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:07,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:15:07,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:07,821 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:07,822 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:07,822 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:07,822 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:07,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:07,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:07,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:07,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:07,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:07,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:07,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:07,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:07,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:15:07,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:07,828 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:07,829 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:07,829 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:07,829 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:07,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:07,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:07,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:07,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:07,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:07,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:07,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:15:07,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:07,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:07,834 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:07,834 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:07,835 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:07,835 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:07,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:07,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:07,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:07,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:07,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:07,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:07,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:07,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:07,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:15:07,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:07,839 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:07,839 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:07,840 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:07,840 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:07,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:07,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:07,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:07,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:07,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:07,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:07,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:07,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:07,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-21 11:15:07,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:07,844 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:07,844 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:07,844 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:07,845 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:07,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:07,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:07,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:15:07,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:07,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:07,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:07,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:07,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:07,855 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:15:07,856 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [207112318] [2020-09-21 11:15:07,856 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:15:07,856 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:15:07,856 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462298980] [2020-09-21 11:15:07,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:15:07,857 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:15:07,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:15:07,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:15:07,858 INFO L87 Difference]: Start difference. First operand 107 states and 122 transitions. Second operand 5 states. [2020-09-21 11:15:08,226 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:08,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:15:08,998 INFO L93 Difference]: Finished difference Result 213 states and 261 transitions. [2020-09-21 11:15:08,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:15:08,998 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2020-09-21 11:15:08,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:15:09,001 INFO L225 Difference]: With dead ends: 213 [2020-09-21 11:15:09,001 INFO L226 Difference]: Without dead ends: 134 [2020-09-21 11:15:09,002 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:15:09,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-09-21 11:15:09,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 107. [2020-09-21 11:15:09,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-09-21 11:15:09,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 121 transitions. [2020-09-21 11:15:09,032 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 121 transitions. Word has length 65 [2020-09-21 11:15:09,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:15:09,032 INFO L479 AbstractCegarLoop]: Abstraction has 107 states and 121 transitions. [2020-09-21 11:15:09,033 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:15:09,033 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 121 transitions. [2020-09-21 11:15:09,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-09-21 11:15:09,035 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:15:09,035 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:15:09,035 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:15:09,035 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:15:09,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:15:09,036 INFO L82 PathProgramCache]: Analyzing trace with hash -118162915, now seen corresponding path program 1 times [2020-09-21 11:15:09,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:15:09,036 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1660147537] [2020-09-21 11:15:09,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:15:09,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:09,540 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:09,541 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:09,541 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:09,541 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:09,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-09-21 11:15:09,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:09,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 460 [2020-09-21 11:15:09,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:09,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:15:09,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:09,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-09-21 11:15:09,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:09,911 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:09,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:09,981 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:09,981 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:09,981 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:09,982 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:09,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:09,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:09,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-21 11:15:09,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:09,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:09,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:09,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:15:09,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:10,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:15:10,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:10,016 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:10,016 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:10,016 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:10,017 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:10,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:10,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:10,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:10,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:10,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:10,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:10,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:10,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:10,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:15:10,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:10,022 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:10,022 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:10,022 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:10,022 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:10,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:10,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:10,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:10,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:10,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:10,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:10,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:10,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:10,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:15:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:10,028 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:10,028 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:10,028 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:10,028 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:10,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:10,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:10,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:10,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:10,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:10,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:10,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:10,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:10,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:15:10,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:10,034 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:10,034 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:10,035 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:10,035 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:10,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:10,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:10,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:10,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:10,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:10,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:10,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:10,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:10,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:15:10,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:10,051 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:10,051 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:10,051 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:10,051 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:10,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:10,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:10,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:10,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:10,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:10,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:10,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:10,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:10,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:15:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:10,058 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:10,058 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:10,059 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:10,059 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:10,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:10,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:10,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:10,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:10,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:10,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:10,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:15:10,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:10,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:10,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:10,065 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:10,065 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:10,065 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:10,065 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:10,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:10,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:10,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:10,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:10,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:10,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:10,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:10,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:10,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:15:10,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:10,082 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:10,082 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:10,082 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:10,083 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:10,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:10,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:10,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:10,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:10,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:10,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:10,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:15:10,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:10,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:15:10,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:10,092 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:10,092 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:10,093 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:10,093 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:10,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:10,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:10,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:10,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:10,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:10,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:10,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:10,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:10,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-09-21 11:15:10,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:10,098 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:10,098 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:10,099 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:10,099 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:10,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:10,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:10,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:10,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:10,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:10,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:10,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:10,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:10,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 11:15:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:10,110 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:10,110 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:10,110 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:10,111 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:10,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:10,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:10,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:15:10,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:10,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:15:10,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:10,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:10,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:10,150 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:15:10,150 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1660147537] [2020-09-21 11:15:10,151 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:15:10,151 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:15:10,151 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602589495] [2020-09-21 11:15:10,153 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:15:10,153 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:15:10,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:15:10,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:15:10,154 INFO L87 Difference]: Start difference. First operand 107 states and 121 transitions. Second operand 9 states. [2020-09-21 11:15:10,734 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:11,499 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:12,120 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:12,442 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:12,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:15:12,524 INFO L93 Difference]: Finished difference Result 187 states and 232 transitions. [2020-09-21 11:15:12,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:15:12,525 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 73 [2020-09-21 11:15:12,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:15:12,527 INFO L225 Difference]: With dead ends: 187 [2020-09-21 11:15:12,527 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:15:12,529 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:15:12,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:15:12,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:15:12,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:15:12,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:15:12,530 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2020-09-21 11:15:12,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:15:12,531 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:15:12,531 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:15:12,531 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:15:12,531 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:15:12,531 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:15:12,534 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:15:12,721 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:12,905 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:13,065 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:13,231 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:13,390 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:13,555 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:13,721 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:13,889 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:14,050 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:14,200 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:14,366 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:14,526 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:14,692 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:14,851 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:15,013 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:15,168 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:15,328 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:15,483 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:15,643 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:15,797 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:15,950 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:16,227 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 12 [2020-09-21 11:15:16,393 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:16,550 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:16,711 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:16,868 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:17,120 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 12 [2020-09-21 11:15:17,286 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 12 [2020-09-21 11:15:17,446 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 12 [2020-09-21 11:15:17,603 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:17,761 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:17,922 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:18,079 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:18,238 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:18,391 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:18,556 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:18,715 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:18,970 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 12 [2020-09-21 11:15:19,141 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:19,298 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:19,504 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 11 [2020-09-21 11:15:19,723 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:19,955 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:20,176 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:20,384 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 11 [2020-09-21 11:15:20,678 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:20,890 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 18 [2020-09-21 11:15:21,152 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-09-21 11:15:21,405 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-09-21 11:15:21,573 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-09-21 11:15:21,797 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:22,141 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:22,366 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-09-21 11:15:22,602 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:22,839 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:23,075 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:23,357 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 11 [2020-09-21 11:15:23,362 INFO L268 CegarLoopResult]: For program point L280(lines 280 284) no Hoare annotation was computed. [2020-09-21 11:15:23,362 INFO L268 CegarLoopResult]: For program point L280-1(lines 280 284) no Hoare annotation was computed. [2020-09-21 11:15:23,362 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-09-21 11:15:23,362 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 249 304) no Hoare annotation was computed. [2020-09-21 11:15:23,362 INFO L268 CegarLoopResult]: For program point L274-2(lines 274 295) no Hoare annotation was computed. [2020-09-21 11:15:23,362 INFO L268 CegarLoopResult]: For program point L296(lines 273 297) no Hoare annotation was computed. [2020-09-21 11:15:23,362 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 249 304) no Hoare annotation was computed. [2020-09-21 11:15:23,362 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 249 304) no Hoare annotation was computed. [2020-09-21 11:15:23,363 INFO L268 CegarLoopResult]: For program point L350(line 350) no Hoare annotation was computed. [2020-09-21 11:15:23,363 INFO L268 CegarLoopResult]: For program point L350-1(line 350) no Hoare annotation was computed. [2020-09-21 11:15:23,363 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 305 364) no Hoare annotation was computed. [2020-09-21 11:15:23,363 INFO L268 CegarLoopResult]: For program point L337(lines 337 341) no Hoare annotation was computed. [2020-09-21 11:15:23,364 INFO L268 CegarLoopResult]: For program point L337-1(lines 337 341) no Hoare annotation was computed. [2020-09-21 11:15:23,364 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 305 364) no Hoare annotation was computed. [2020-09-21 11:15:23,364 INFO L268 CegarLoopResult]: For program point L332(line 332) no Hoare annotation was computed. [2020-09-21 11:15:23,364 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 305 364) no Hoare annotation was computed. [2020-09-21 11:15:23,364 INFO L268 CegarLoopResult]: For program point L331-2(lines 331 356) no Hoare annotation was computed. [2020-09-21 11:15:23,365 INFO L268 CegarLoopResult]: For program point L357(lines 330 358) no Hoare annotation was computed. [2020-09-21 11:15:23,365 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 895 901) the Hoare annotation is: true [2020-09-21 11:15:23,365 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 895 901) no Hoare annotation was computed. [2020-09-21 11:15:23,365 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 902 910) no Hoare annotation was computed. [2020-09-21 11:15:23,365 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 902 910) the Hoare annotation is: true [2020-09-21 11:15:23,366 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 902 910) no Hoare annotation was computed. [2020-09-21 11:15:23,366 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-09-21 11:15:23,366 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2020-09-21 11:15:23,366 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2020-09-21 11:15:23,366 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-09-21 11:15:23,366 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2020-09-21 11:15:23,366 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-09-21 11:15:23,366 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2020-09-21 11:15:23,366 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2020-09-21 11:15:23,367 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:15:23,367 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2020-09-21 11:15:23,367 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-09-21 11:15:23,367 INFO L268 CegarLoopResult]: For program point L74(lines 74 84) no Hoare annotation was computed. [2020-09-21 11:15:23,367 INFO L271 CegarLoopResult]: At program point L72(line 72) the Hoare annotation is: true [2020-09-21 11:15:23,367 INFO L268 CegarLoopResult]: For program point L72-1(line 72) no Hoare annotation was computed. [2020-09-21 11:15:23,367 INFO L268 CegarLoopResult]: For program point L70(lines 70 87) no Hoare annotation was computed. [2020-09-21 11:15:23,368 INFO L268 CegarLoopResult]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2020-09-21 11:15:23,368 INFO L271 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: true [2020-09-21 11:15:23,368 INFO L268 CegarLoopResult]: For program point L68-1(line 68) no Hoare annotation was computed. [2020-09-21 11:15:23,368 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 173 195) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:23,368 INFO L264 CegarLoopResult]: At program point L185(line 185) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:23,368 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 173 195) no Hoare annotation was computed. [2020-09-21 11:15:23,369 INFO L264 CegarLoopResult]: At program point L185-1(line 185) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:23,369 INFO L268 CegarLoopResult]: For program point L183(lines 183 190) no Hoare annotation was computed. [2020-09-21 11:15:23,369 INFO L268 CegarLoopResult]: For program point L183-1(lines 183 190) no Hoare annotation was computed. [2020-09-21 11:15:23,369 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-09-21 11:15:23,369 INFO L264 CegarLoopResult]: At program point L180(line 180) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:23,370 INFO L264 CegarLoopResult]: At program point L179(line 179) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:23,370 INFO L264 CegarLoopResult]: At program point L179-1(line 179) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:23,370 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 173 195) no Hoare annotation was computed. [2020-09-21 11:15:23,370 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 127 150) no Hoare annotation was computed. [2020-09-21 11:15:23,370 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 127 150) no Hoare annotation was computed. [2020-09-21 11:15:23,370 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 127 150) no Hoare annotation was computed. [2020-09-21 11:15:23,370 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-09-21 11:15:23,371 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-09-21 11:15:23,371 INFO L268 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-09-21 11:15:23,371 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-09-21 11:15:23,371 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-09-21 11:15:23,371 INFO L268 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-09-21 11:15:23,371 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-09-21 11:15:23,371 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-09-21 11:15:23,371 INFO L268 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-09-21 11:15:23,371 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-21 11:15:23,371 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-09-21 11:15:23,371 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-09-21 11:15:23,371 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-09-21 11:15:23,372 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-09-21 11:15:23,372 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 599 605) no Hoare annotation was computed. [2020-09-21 11:15:23,372 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 599 605) the Hoare annotation is: true [2020-09-21 11:15:23,372 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 632 639) no Hoare annotation was computed. [2020-09-21 11:15:23,372 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 632 639) no Hoare annotation was computed. [2020-09-21 11:15:23,372 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 632 639) no Hoare annotation was computed. [2020-09-21 11:15:23,372 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 676 684) no Hoare annotation was computed. [2020-09-21 11:15:23,372 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 676 684) the Hoare annotation is: true [2020-09-21 11:15:23,372 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 676 684) no Hoare annotation was computed. [2020-09-21 11:15:23,372 INFO L268 CegarLoopResult]: For program point L704(lines 704 712) no Hoare annotation was computed. [2020-09-21 11:15:23,373 INFO L268 CegarLoopResult]: For program point L704-2(lines 704 712) no Hoare annotation was computed. [2020-09-21 11:15:23,373 INFO L268 CegarLoopResult]: For program point L692(lines 692 700) no Hoare annotation was computed. [2020-09-21 11:15:23,373 INFO L268 CegarLoopResult]: For program point L692-2(lines 692 700) no Hoare annotation was computed. [2020-09-21 11:15:23,373 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 685 720) no Hoare annotation was computed. [2020-09-21 11:15:23,373 INFO L268 CegarLoopResult]: For program point L715(line 715) no Hoare annotation was computed. [2020-09-21 11:15:23,373 INFO L268 CegarLoopResult]: For program point L715-1(line 715) no Hoare annotation was computed. [2020-09-21 11:15:23,373 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 685 720) no Hoare annotation was computed. [2020-09-21 11:15:23,373 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 685 720) no Hoare annotation was computed. [2020-09-21 11:15:23,373 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 888 894) no Hoare annotation was computed. [2020-09-21 11:15:23,373 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 888 894) the Hoare annotation is: true [2020-09-21 11:15:23,373 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 203 248) no Hoare annotation was computed. [2020-09-21 11:15:23,373 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 203 248) no Hoare annotation was computed. [2020-09-21 11:15:23,373 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 203 248) no Hoare annotation was computed. [2020-09-21 11:15:23,374 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 516 561) no Hoare annotation was computed. [2020-09-21 11:15:23,374 INFO L268 CegarLoopResult]: For program point L536(lines 536 543) no Hoare annotation was computed. [2020-09-21 11:15:23,374 INFO L268 CegarLoopResult]: For program point L530(lines 530 550) no Hoare annotation was computed. [2020-09-21 11:15:23,374 INFO L268 CegarLoopResult]: For program point L530-1(lines 530 550) no Hoare annotation was computed. [2020-09-21 11:15:23,374 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 516 561) no Hoare annotation was computed. [2020-09-21 11:15:23,374 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 516 561) no Hoare annotation was computed. [2020-09-21 11:15:23,374 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 159 169) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:23,374 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 159 169) no Hoare annotation was computed. [2020-09-21 11:15:23,374 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 159 169) no Hoare annotation was computed. [2020-09-21 11:15:23,375 INFO L264 CegarLoopResult]: At program point L164(line 164) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2020-09-21 11:15:23,375 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 665 675) the Hoare annotation is: true [2020-09-21 11:15:23,375 INFO L271 CegarLoopResult]: At program point L670(line 670) the Hoare annotation is: true [2020-09-21 11:15:23,375 INFO L268 CegarLoopResult]: For program point L670-1(line 670) no Hoare annotation was computed. [2020-09-21 11:15:23,375 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 665 675) no Hoare annotation was computed. [2020-09-21 11:15:23,375 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 665 675) no Hoare annotation was computed. [2020-09-21 11:15:23,375 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 657 664) the Hoare annotation is: true [2020-09-21 11:15:23,376 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 657 664) no Hoare annotation was computed. [2020-09-21 11:15:23,376 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 657 664) no Hoare annotation was computed. [2020-09-21 11:15:23,376 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 607 631) no Hoare annotation was computed. [2020-09-21 11:15:23,376 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 607 631) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:23,376 INFO L264 CegarLoopResult]: At program point L626(line 626) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:23,376 INFO L268 CegarLoopResult]: For program point L626-1(lines 607 631) no Hoare annotation was computed. [2020-09-21 11:15:23,376 INFO L264 CegarLoopResult]: At program point L621(line 621) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:23,376 INFO L264 CegarLoopResult]: At program point L617(line 617) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:23,376 INFO L268 CegarLoopResult]: For program point L615(lines 615 623) no Hoare annotation was computed. [2020-09-21 11:15:23,376 INFO L264 CegarLoopResult]: At program point L613(line 613) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:23,376 INFO L268 CegarLoopResult]: For program point L613-1(line 613) no Hoare annotation was computed. [2020-09-21 11:15:23,377 INFO L268 CegarLoopResult]: For program point L611(lines 611 628) no Hoare annotation was computed. [2020-09-21 11:15:23,377 INFO L264 CegarLoopResult]: At program point L865(lines 820 867) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:23,377 INFO L264 CegarLoopResult]: At program point L832(line 832) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:23,377 INFO L264 CegarLoopResult]: At program point testENTRY(lines 810 875) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:23,377 INFO L268 CegarLoopResult]: For program point L830(lines 830 836) no Hoare annotation was computed. [2020-09-21 11:15:23,377 INFO L268 CegarLoopResult]: For program point L830-1(lines 830 836) no Hoare annotation was computed. [2020-09-21 11:15:23,377 INFO L268 CegarLoopResult]: For program point testFINAL(lines 810 875) no Hoare annotation was computed. [2020-09-21 11:15:23,377 INFO L268 CegarLoopResult]: For program point L822(lines 822 826) no Hoare annotation was computed. [2020-09-21 11:15:23,377 INFO L264 CegarLoopResult]: At program point L868(lines 819 869) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:23,377 INFO L268 CegarLoopResult]: For program point L858(lines 858 862) no Hoare annotation was computed. [2020-09-21 11:15:23,378 INFO L264 CegarLoopResult]: At program point L858-2(lines 850 863) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:23,378 INFO L268 CegarLoopResult]: For program point L821(lines 820 867) no Hoare annotation was computed. [2020-09-21 11:15:23,378 INFO L264 CegarLoopResult]: At program point L852(line 852) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:23,378 INFO L268 CegarLoopResult]: For program point L850(lines 850 863) no Hoare annotation was computed. [2020-09-21 11:15:23,378 INFO L264 CegarLoopResult]: At program point L842(line 842) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:23,378 INFO L268 CegarLoopResult]: For program point L840(lines 840 846) no Hoare annotation was computed. [2020-09-21 11:15:23,378 INFO L268 CegarLoopResult]: For program point L840-1(lines 840 846) no Hoare annotation was computed. [2020-09-21 11:15:23,378 INFO L268 CegarLoopResult]: For program point testEXIT(lines 810 875) no Hoare annotation was computed. [2020-09-21 11:15:23,378 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 470 515) no Hoare annotation was computed. [2020-09-21 11:15:23,378 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 470 515) no Hoare annotation was computed. [2020-09-21 11:15:23,379 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 470 515) no Hoare annotation was computed. [2020-09-21 11:15:23,379 INFO L268 CegarLoopResult]: For program point L490(lines 490 497) no Hoare annotation was computed. [2020-09-21 11:15:23,379 INFO L268 CegarLoopResult]: For program point L484(lines 484 504) no Hoare annotation was computed. [2020-09-21 11:15:23,379 INFO L268 CegarLoopResult]: For program point L484-1(lines 484 504) no Hoare annotation was computed. [2020-09-21 11:15:23,379 INFO L268 CegarLoopResult]: For program point L785(lines 785 793) no Hoare annotation was computed. [2020-09-21 11:15:23,379 INFO L268 CegarLoopResult]: For program point L785-2(lines 785 793) no Hoare annotation was computed. [2020-09-21 11:15:23,379 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 777 799) no Hoare annotation was computed. [2020-09-21 11:15:23,379 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 777 799) no Hoare annotation was computed. [2020-09-21 11:15:23,379 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 777 799) no Hoare annotation was computed. [2020-09-21 11:15:23,380 INFO L268 CegarLoopResult]: For program point L417(lines 416 436) no Hoare annotation was computed. [2020-09-21 11:15:23,380 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-09-21 11:15:23,380 INFO L268 CegarLoopResult]: For program point L448-1(line 448) no Hoare annotation was computed. [2020-09-21 11:15:23,380 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 367 469) no Hoare annotation was computed. [2020-09-21 11:15:23,380 INFO L268 CegarLoopResult]: For program point L413(lines 413 454) no Hoare annotation was computed. [2020-09-21 11:15:23,380 INFO L268 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-09-21 11:15:23,380 INFO L268 CegarLoopResult]: For program point L432-1(line 432) no Hoare annotation was computed. [2020-09-21 11:15:23,380 INFO L268 CegarLoopResult]: For program point L391(lines 391 395) no Hoare annotation was computed. [2020-09-21 11:15:23,380 INFO L268 CegarLoopResult]: For program point L455(lines 455 466) no Hoare annotation was computed. [2020-09-21 11:15:23,380 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 367 469) no Hoare annotation was computed. [2020-09-21 11:15:23,380 INFO L268 CegarLoopResult]: For program point L418(lines 418 422) no Hoare annotation was computed. [2020-09-21 11:15:23,380 INFO L268 CegarLoopResult]: For program point L416-2(lines 416 436) no Hoare annotation was computed. [2020-09-21 11:15:23,380 INFO L268 CegarLoopResult]: For program point L437(lines 415 438) no Hoare annotation was computed. [2020-09-21 11:15:23,381 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 367 469) no Hoare annotation was computed. [2020-09-21 11:15:23,381 INFO L268 CegarLoopResult]: For program point L396(lines 396 412) no Hoare annotation was computed. [2020-09-21 11:15:23,381 INFO L268 CegarLoopResult]: For program point L456(lines 456 463) no Hoare annotation was computed. [2020-09-21 11:15:23,381 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 878 887) no Hoare annotation was computed. [2020-09-21 11:15:23,381 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 878 887) no Hoare annotation was computed. [2020-09-21 11:15:23,381 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 878 887) no Hoare annotation was computed. [2020-09-21 11:15:23,381 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:15:23,381 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.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~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 11:15:23,381 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:15:23,381 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 640 656) no Hoare annotation was computed. [2020-09-21 11:15:23,381 INFO L268 CegarLoopResult]: For program point L651(line 651) no Hoare annotation was computed. [2020-09-21 11:15:23,382 INFO L268 CegarLoopResult]: For program point L651-1(lines 640 656) no Hoare annotation was computed. [2020-09-21 11:15:23,382 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 640 656) no Hoare annotation was computed. [2020-09-21 11:15:23,382 INFO L268 CegarLoopResult]: For program point L647(lines 647 653) no Hoare annotation was computed. [2020-09-21 11:15:23,382 INFO L268 CegarLoopResult]: For program point L645(line 645) no Hoare annotation was computed. [2020-09-21 11:15:23,382 INFO L268 CegarLoopResult]: For program point L645-1(line 645) no Hoare annotation was computed. [2020-09-21 11:15:23,382 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 800 808) the Hoare annotation is: true [2020-09-21 11:15:23,382 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 800 808) no Hoare annotation was computed. [2020-09-21 11:15:23,382 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 800 808) no Hoare annotation was computed. [2020-09-21 11:15:23,383 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 756 767) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 11:15:23,383 INFO L268 CegarLoopResult]: For program point L760-1(lines 756 767) no Hoare annotation was computed. [2020-09-21 11:15:23,383 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 756 767) no Hoare annotation was computed. [2020-09-21 11:15:23,383 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:15:23,383 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:15:23,383 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:15:23,383 INFO L268 CegarLoopResult]: For program point L577(lines 575 597) no Hoare annotation was computed. [2020-09-21 11:15:23,383 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 572 598) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:23,383 INFO L264 CegarLoopResult]: At program point L588(line 588) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-09-21 11:15:23,383 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 572 598) no Hoare annotation was computed. [2020-09-21 11:15:23,384 INFO L264 CegarLoopResult]: At program point L586(lines 586 592) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-09-21 11:15:23,384 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 572 598) no Hoare annotation was computed. [2020-09-21 11:15:23,384 INFO L264 CegarLoopResult]: At program point L581(line 581) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:23,384 INFO L268 CegarLoopResult]: For program point L579(lines 575 597) no Hoare annotation was computed. [2020-09-21 11:15:23,384 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 94 123) no Hoare annotation was computed. [2020-09-21 11:15:23,384 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 94 123) the Hoare annotation is: true [2020-09-21 11:15:23,384 INFO L271 CegarLoopResult]: At program point L119(lines 94 123) the Hoare annotation is: true [2020-09-21 11:15:23,384 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-09-21 11:15:23,384 INFO L268 CegarLoopResult]: For program point L108(lines 108 112) no Hoare annotation was computed. [2020-09-21 11:15:23,384 INFO L271 CegarLoopResult]: At program point L108-1(lines 108 112) the Hoare annotation is: true [2020-09-21 11:15:23,384 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-09-21 11:15:23,384 INFO L271 CegarLoopResult]: At program point L104-2(lines 104 118) the Hoare annotation is: true [2020-09-21 11:15:23,385 INFO L271 CegarLoopResult]: At program point L100(line 100) the Hoare annotation is: true [2020-09-21 11:15:23,385 INFO L268 CegarLoopResult]: For program point L100-1(line 100) no Hoare annotation was computed. [2020-09-21 11:15:23,385 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 768 776) the Hoare annotation is: true [2020-09-21 11:15:23,385 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 768 776) no Hoare annotation was computed. [2020-09-21 11:15:23,385 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 768 776) no Hoare annotation was computed. [2020-09-21 11:15:23,385 INFO L268 CegarLoopResult]: For program point L736-1(lines 732 743) no Hoare annotation was computed. [2020-09-21 11:15:23,385 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 732 743) the Hoare annotation is: true [2020-09-21 11:15:23,385 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 732 743) no Hoare annotation was computed. [2020-09-21 11:15:23,385 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 151 157) no Hoare annotation was computed. [2020-09-21 11:15:23,386 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 151 157) the Hoare annotation is: true [2020-09-21 11:15:23,386 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:15:23,386 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-21 11:15:23,386 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:15:23,386 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:15:23,386 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 721 728) no Hoare annotation was computed. [2020-09-21 11:15:23,386 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 721 728) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-09-21 11:15:23,387 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 721 728) no Hoare annotation was computed. [2020-09-21 11:15:23,387 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 744 755) no Hoare annotation was computed. [2020-09-21 11:15:23,387 INFO L268 CegarLoopResult]: For program point L748-1(lines 744 755) no Hoare annotation was computed. [2020-09-21 11:15:23,387 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 744 755) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 11:15:23,387 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 912 919) no Hoare annotation was computed. [2020-09-21 11:15:23,387 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 916) no Hoare annotation was computed. [2020-09-21 11:15:23,387 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 912 919) the Hoare annotation is: true [2020-09-21 11:15:23,387 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 912 919) no Hoare annotation was computed. [2020-09-21 11:15:23,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:15:23 BoogieIcfgContainer [2020-09-21 11:15:23,405 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:15:23,407 INFO L168 Benchmark]: Toolchain (without parser) took 22931.63 ms. Allocated memory was 140.5 MB in the beginning and 480.8 MB in the end (delta: 340.3 MB). Free memory was 102.3 MB in the beginning and 150.2 MB in the end (delta: -48.0 MB). Peak memory consumption was 350.5 MB. Max. memory is 7.1 GB. [2020-09-21 11:15:23,408 INFO L168 Benchmark]: CDTParser took 0.85 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 11:15:23,409 INFO L168 Benchmark]: CACSL2BoogieTranslator took 710.78 ms. Allocated memory was 140.5 MB in the beginning and 205.5 MB in the end (delta: 65.0 MB). Free memory was 101.6 MB in the beginning and 176.2 MB in the end (delta: -74.6 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:15:23,410 INFO L168 Benchmark]: Boogie Preprocessor took 118.41 ms. Allocated memory is still 205.5 MB. Free memory was 176.2 MB in the beginning and 171.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-09-21 11:15:23,411 INFO L168 Benchmark]: RCFGBuilder took 1257.91 ms. Allocated memory was 205.5 MB in the beginning and 236.5 MB in the end (delta: 30.9 MB). Free memory was 171.5 MB in the beginning and 200.2 MB in the end (delta: -28.8 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:15:23,412 INFO L168 Benchmark]: TraceAbstraction took 20834.12 ms. Allocated memory was 236.5 MB in the beginning and 480.8 MB in the end (delta: 244.3 MB). Free memory was 198.8 MB in the beginning and 150.2 MB in the end (delta: 48.6 MB). Peak memory consumption was 351.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:15:23,416 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 710.78 ms. Allocated memory was 140.5 MB in the beginning and 205.5 MB in the end (delta: 65.0 MB). Free memory was 101.6 MB in the beginning and 176.2 MB in the end (delta: -74.6 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.41 ms. Allocated memory is still 205.5 MB. Free memory was 176.2 MB in the beginning and 171.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1257.91 ms. Allocated memory was 205.5 MB in the beginning and 236.5 MB in the end (delta: 30.9 MB). Free memory was 171.5 MB in the beginning and 200.2 MB in the end (delta: -28.8 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20834.12 ms. Allocated memory was 236.5 MB in the beginning and 480.8 MB in the end (delta: 244.3 MB). Free memory was 198.8 MB in the beginning and 150.2 MB in the end (delta: 48.6 MB). Peak memory consumption was 351.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 916]: 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: 819]: Loop Invariant Derived loop invariant: !(\old(systemActive) == 1) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || ((splverifierCounter <= 0 && 1 == systemActive) && pumpRunning == 0)) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 225 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.8s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 5.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 379 SDtfs, 435 SDslu, 206 SDs, 0 SdLazy, 744 SolverSat, 295 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 91 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=167occurred 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, 82 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 188 PreInvPairs, 208 NumberOfFragments, 708 HoareAnnotationTreeSize, 188 FomulaSimplifications, 10532 FormulaSimplificationTreeSizeReduction, 6.7s HoareSimplificationTime, 54 FomulaSimplificationsInter, 4971 FormulaSimplificationTreeSizeReductionInter, 4.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 257 NumberOfCodeBlocks, 257 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 253 ConstructedInterpolants, 0 QuantifiedInterpolants, 73935 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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...