/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product05.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:08:13,224 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:08:13,228 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:08:13,272 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:08:13,273 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:08:13,281 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:08:13,283 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:08:13,287 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:08:13,289 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:08:13,292 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:08:13,293 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:08:13,294 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:08:13,295 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:08:13,298 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:08:13,300 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:08:13,302 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:08:13,303 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:08:13,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:08:13,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:08:13,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:08:13,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:08:13,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:08:13,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:08:13,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:08:13,332 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:08:13,332 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:08:13,339 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:08:13,340 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:08:13,341 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:08:13,344 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:08:13,344 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:08:13,345 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:08:13,348 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:08:13,349 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:08:13,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:08:13,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:08:13,351 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:08:13,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:08:13,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:08:13,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:08:13,354 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:08:13,355 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 12:08:13,398 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:08:13,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:08:13,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:08:13,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:08:13,401 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:08:13,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:08:13,402 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:08:13,402 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:08:13,402 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:08:13,402 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:08:13,403 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:08:13,403 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:08:13,403 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:08:13,404 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:08:13,404 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:08:13,404 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:08:13,404 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:08:13,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:08:13,405 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:08:13,405 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:08:13,405 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:08:13,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:08:13,406 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:08:13,406 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:08:13,406 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:08:13,406 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:08:13,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:08:13,407 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:08:13,407 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:08:13,407 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:08:13,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:08:13,845 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:08:13,849 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:08:13,851 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:08:13,852 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:08:13,853 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product05.cil.c [2020-09-21 12:08:13,945 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/90841e5e9/d33767da8cf54569a33c5108c4945c75/FLAGcc9acb1c0 [2020-09-21 12:08:14,586 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:08:14,587 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product05.cil.c [2020-09-21 12:08:14,612 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/90841e5e9/d33767da8cf54569a33c5108c4945c75/FLAGcc9acb1c0 [2020-09-21 12:08:14,824 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/90841e5e9/d33767da8cf54569a33c5108c4945c75 [2020-09-21 12:08:14,837 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:08:14,843 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:08:14,844 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:08:14,844 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:08:14,848 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:08:14,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:08:14" (1/1) ... [2020-09-21 12:08:14,854 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@538d8bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:14, skipping insertion in model container [2020-09-21 12:08:14,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:08:14" (1/1) ... [2020-09-21 12:08:14,864 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:08:14,923 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:08:15,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:08:15,350 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:08:15,543 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:08:15,587 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:08:15,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:15 WrapperNode [2020-09-21 12:08:15,588 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:08:15,589 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:08:15,589 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:08:15,590 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:08:15,609 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:15" (1/1) ... [2020-09-21 12:08:15,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:15" (1/1) ... [2020-09-21 12:08:15,632 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:15" (1/1) ... [2020-09-21 12:08:15,632 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:15" (1/1) ... [2020-09-21 12:08:15,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:15" (1/1) ... [2020-09-21 12:08:15,691 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:15" (1/1) ... [2020-09-21 12:08:15,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:15" (1/1) ... [2020-09-21 12:08:15,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:08:15,707 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:08:15,707 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:08:15,708 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:08:15,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:15" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:08:15,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:08:15,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:08:15,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:08:15,791 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:08:15,791 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:08:15,791 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:08:15,791 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:08:15,792 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:08:15,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-21 12:08:15,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-21 12:08:15,793 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:08:15,793 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:08:15,793 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 12:08:15,793 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:08:15,794 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:08:15,794 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:08:15,794 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:08:15,794 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:08:15,794 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:08:15,795 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:08:15,795 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:08:15,795 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:08:15,795 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:08:15,795 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:08:15,796 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:08:15,796 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:08:15,796 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:08:15,796 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:08:15,796 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:08:15,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:08:15,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:08:15,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:08:15,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:08:15,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:08:15,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:08:15,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:08:15,798 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:08:15,798 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:08:15,798 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:08:15,798 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:08:15,798 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:08:15,799 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:08:15,799 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:08:15,799 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:08:15,799 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:08:15,799 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:08:15,799 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-21 12:08:15,799 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:08:15,800 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:08:15,800 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:08:15,800 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:08:15,800 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:08:15,800 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:08:15,801 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:08:15,801 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:08:15,801 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:08:15,801 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-21 12:08:15,801 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:08:15,801 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:08:15,801 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:08:15,802 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:08:15,802 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:08:15,802 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 12:08:15,802 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:08:15,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:08:15,802 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:08:15,803 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:08:15,803 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:08:15,803 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:08:15,803 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:08:15,803 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:08:15,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:08:15,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:08:15,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:08:15,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:08:15,804 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:08:15,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:08:15,804 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:08:15,805 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:08:15,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:08:15,805 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:08:15,805 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:08:15,805 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:08:15,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:08:15,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:08:15,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:08:16,840 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:08:16,840 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:08:16,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:08:16 BoogieIcfgContainer [2020-09-21 12:08:16,850 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:08:16,852 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:08:16,852 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:08:16,856 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:08:16,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:08:14" (1/3) ... [2020-09-21 12:08:16,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3259a365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:08:16, skipping insertion in model container [2020-09-21 12:08:16,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:15" (2/3) ... [2020-09-21 12:08:16,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3259a365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:08:16, skipping insertion in model container [2020-09-21 12:08:16,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:08:16" (3/3) ... [2020-09-21 12:08:16,862 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product05.cil.c [2020-09-21 12:08:16,873 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:08:16,886 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:08:16,909 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:08:16,947 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:08:16,948 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:08:16,948 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:08:16,948 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:08:16,948 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:08:16,948 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:08:16,948 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:08:16,949 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:08:16,980 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2020-09-21 12:08:16,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 12:08:16,990 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:08:16,992 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:08:16,992 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:08:16,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:08:16,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1269401024, now seen corresponding path program 1 times [2020-09-21 12:08:17,008 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:08:17,008 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1810550775] [2020-09-21 12:08:17,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:08:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:17,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:17,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:17,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:18,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:18,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 12:08:18,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:08:18,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1032 [2020-09-21 12:08:18,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:18,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:18,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 12:08:18,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:18,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:08:18,846 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:18,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:08:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:18,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:18,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:18,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:18,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:18,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-09-21 12:08:18,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:18,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:18,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:18,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:18,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-09-21 12:08:18,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:08:18,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:18,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:19,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:19,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:19,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:19,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:19,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:19,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:19,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:19,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:19,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:19,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:08:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:19,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:19,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:19,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:19,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:19,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:19,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:19,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:19,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:19,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:19,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:19,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:08:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:19,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:19,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:19,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:19,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:19,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 12:08:19,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:19,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:19,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:19,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:19,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:19,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:08:19,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:19,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:19,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:19,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:19,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:19,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:19,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:19,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:19,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:19,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:19,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:19,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:08:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:19,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:19,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:19,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:19,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:19,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:19,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:19,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:19,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:19,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:19,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:19,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 12:08:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:19,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:19,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:19,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:19,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:19,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:19,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:19,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:19,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:19,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:19,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:19,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 12:08:19,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:19,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:19,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:19,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:19,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:19,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:19,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:19,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:19,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:19,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:19,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:19,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:08:19,115 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1810550775] [2020-09-21 12:08:19,117 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:08:19,118 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:08:19,119 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282526470] [2020-09-21 12:08:19,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:08:19,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:08:19,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:08:19,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:08:19,151 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 4 states. [2020-09-21 12:08:20,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:08:20,128 INFO L93 Difference]: Finished difference Result 236 states and 314 transitions. [2020-09-21 12:08:20,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 12:08:20,131 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 12:08:20,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:08:20,149 INFO L225 Difference]: With dead ends: 236 [2020-09-21 12:08:20,149 INFO L226 Difference]: Without dead ends: 133 [2020-09-21 12:08:20,155 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 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 12:08:20,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-09-21 12:08:20,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 104. [2020-09-21 12:08:20,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-09-21 12:08:20,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 122 transitions. [2020-09-21 12:08:20,264 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 122 transitions. Word has length 51 [2020-09-21 12:08:20,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:08:20,265 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 122 transitions. [2020-09-21 12:08:20,265 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:08:20,266 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 122 transitions. [2020-09-21 12:08:20,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 12:08:20,269 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:08:20,270 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:08:20,270 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:08:20,270 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:08:20,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:08:20,271 INFO L82 PathProgramCache]: Analyzing trace with hash 595669144, now seen corresponding path program 1 times [2020-09-21 12:08:20,271 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:08:20,272 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [359148785] [2020-09-21 12:08:20,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:08:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:20,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:20,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:20,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:21,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:21,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 12:08:21,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:08:21,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1058 [2020-09-21 12:08:21,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:21,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:21,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 12:08:21,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:08:21,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:21,690 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:21,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:08:21,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:21,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:21,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:21,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:21,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:21,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-21 12:08:21,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:21,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:21,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:21,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:21,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:21,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:08:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:21,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:21,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:21,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:21,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:21,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:21,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:21,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:21,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:21,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:21,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:21,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:08:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:21,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:21,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:21,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:21,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:21,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:21,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:21,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:21,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:21,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:21,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:21,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:08:21,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:21,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:21,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:21,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:21,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:21,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:08:21,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:21,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:21,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:21,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:21,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:21,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:08:21,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:21,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:21,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:21,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:21,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:21,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:21,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:21,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:21,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:21,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:21,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:21,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:08:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:21,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:21,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:21,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:21,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:21,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:08:21,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:21,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:21,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:21,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:21,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:21,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:08:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:21,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:21,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:21,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:21,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:21,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:21,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:21,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:21,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:21,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:21,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:21,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 12:08:21,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:21,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:21,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:21,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:21,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:21,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:21,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:21,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:21,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:21,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:21,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:21,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:08:21,870 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [359148785] [2020-09-21 12:08:21,870 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:08:21,870 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:08:21,871 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504208629] [2020-09-21 12:08:21,873 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:08:21,874 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:08:21,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:08:21,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:08:21,876 INFO L87 Difference]: Start difference. First operand 104 states and 122 transitions. Second operand 5 states. [2020-09-21 12:08:22,358 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:23,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:08:23,015 INFO L93 Difference]: Finished difference Result 181 states and 225 transitions. [2020-09-21 12:08:23,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:08:23,017 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-09-21 12:08:23,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:08:23,020 INFO L225 Difference]: With dead ends: 181 [2020-09-21 12:08:23,020 INFO L226 Difference]: Without dead ends: 123 [2020-09-21 12:08:23,022 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 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 12:08:23,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-09-21 12:08:23,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 95. [2020-09-21 12:08:23,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-09-21 12:08:23,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 110 transitions. [2020-09-21 12:08:23,057 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 110 transitions. Word has length 52 [2020-09-21 12:08:23,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:08:23,058 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 110 transitions. [2020-09-21 12:08:23,058 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:08:23,058 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 110 transitions. [2020-09-21 12:08:23,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-09-21 12:08:23,060 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:08:23,060 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:08:23,060 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:08:23,061 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:08:23,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:08:23,061 INFO L82 PathProgramCache]: Analyzing trace with hash 111621899, now seen corresponding path program 1 times [2020-09-21 12:08:23,061 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:08:23,061 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1864768619] [2020-09-21 12:08:23,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:08:23,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:23,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:23,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:24,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:24,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-09-21 12:08:24,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:08:24,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1011 [2020-09-21 12:08:24,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:24,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:24,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:24,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-21 12:08:24,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:24,441 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:24,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:08:24,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:24,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:24,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:24,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:24,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:24,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-09-21 12:08:24,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:24,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:24,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:24,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:08:24,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:24,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:08:24,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:24,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:24,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:24,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:24,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:24,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:24,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:24,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:24,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:24,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:08:24,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:24,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:08:24,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:24,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:24,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:24,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:24,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:24,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:24,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:24,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:24,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:24,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:08:24,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:24,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:08:24,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:24,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:24,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:24,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:24,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:24,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:08:24,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:24,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:24,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:24,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:08:24,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:24,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:08:24,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:24,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:24,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:24,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:24,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:24,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:24,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:24,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:24,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:24,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:08:24,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:24,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:08:24,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:24,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:24,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:24,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:24,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:24,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:24,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:24,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:24,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:24,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:08:24,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:24,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 12:08:24,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:24,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:24,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:24,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:24,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:24,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:24,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:24,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:24,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:24,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:24,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:24,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 12:08:24,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:24,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:24,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:24,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:24,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:24,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:24,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:24,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:24,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:24,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:24,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:24,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:08:24,719 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1864768619] [2020-09-21 12:08:24,719 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:08:24,719 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:08:24,719 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773905832] [2020-09-21 12:08:24,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:08:24,720 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:08:24,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:08:24,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:08:24,721 INFO L87 Difference]: Start difference. First operand 95 states and 110 transitions. Second operand 5 states. [2020-09-21 12:08:25,110 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:08:25,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:08:25,974 INFO L93 Difference]: Finished difference Result 190 states and 240 transitions. [2020-09-21 12:08:25,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 12:08:25,975 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-09-21 12:08:25,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:08:25,978 INFO L225 Difference]: With dead ends: 190 [2020-09-21 12:08:25,978 INFO L226 Difference]: Without dead ends: 123 [2020-09-21 12:08:25,979 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 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 12:08:25,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-09-21 12:08:26,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 95. [2020-09-21 12:08:26,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-09-21 12:08:26,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2020-09-21 12:08:26,013 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 56 [2020-09-21 12:08:26,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:08:26,013 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2020-09-21 12:08:26,014 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:08:26,014 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2020-09-21 12:08:26,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-09-21 12:08:26,016 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:08:26,016 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:08:26,016 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:08:26,016 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:08:26,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:08:26,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1110138086, now seen corresponding path program 1 times [2020-09-21 12:08:26,017 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:08:26,017 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1424334871] [2020-09-21 12:08:26,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:08:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:26,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:27,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:27,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:27,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-09-21 12:08:27,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:08:27,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1047 [2020-09-21 12:08:27,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:27,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 12:08:27,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-09-21 12:08:27,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-09-21 12:08:27,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:27,581 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:27,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:08:27,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:27,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:27,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:27,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:27,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:27,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-21 12:08:27,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:27,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:27,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:27,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:27,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:27,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:08:27,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:27,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:27,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:27,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:27,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:27,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:27,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:27,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:27,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:27,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:27,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:27,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:08:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:27,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:27,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:27,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:27,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:27,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:08:27,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:27,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:27,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:27,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:27,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:27,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:08:27,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:27,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:27,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:27,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:27,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:27,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:27,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:27,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:27,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:27,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:27,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:27,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:08:27,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:27,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:27,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:27,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:27,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:27,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:27,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:27,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:27,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:27,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:27,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:27,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:08:27,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:27,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:27,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:27,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:27,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:27,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:08:27,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:27,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:27,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:27,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:27,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:27,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 12:08:27,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:27,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:27,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:27,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:27,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:08:27,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:08:27,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:08:27,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:27,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:27,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:27,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:08:27,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:27,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:08:27,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:27,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:27,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:27,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:27,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:27,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:27,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:27,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:27,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:27,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:08:27,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:27,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 12:08:27,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:27,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:27,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:27,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:27,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:27,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:27,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:27,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:27,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:27,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:08:27,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:27,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 12:08:27,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:27,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:27,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:27,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:27,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:27,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:08:27,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:27,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:08:27,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:27,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:08:27,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:27,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:08:27,807 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1424334871] [2020-09-21 12:08:27,807 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:08:27,807 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 12:08:27,807 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447694932] [2020-09-21 12:08:27,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 12:08:27,808 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:08:27,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 12:08:27,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:08:27,809 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand 9 states. [2020-09-21 12:08:28,241 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:08:29,169 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:29,518 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:29,871 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 12:08:30,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:08:30,080 INFO L93 Difference]: Finished difference Result 164 states and 206 transitions. [2020-09-21 12:08:30,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 12:08:30,081 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-09-21 12:08:30,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:08:30,082 INFO L225 Difference]: With dead ends: 164 [2020-09-21 12:08:30,082 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:08:30,084 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2020-09-21 12:08:30,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:08:30,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:08:30,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:08:30,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:08:30,085 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2020-09-21 12:08:30,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:08:30,085 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:08:30,085 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 12:08:30,085 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:08:30,085 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:08:30,086 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:08:30,088 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:08:30,288 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:30,456 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:30,648 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 13 [2020-09-21 12:08:30,811 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:30,975 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:31,153 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:31,316 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:31,476 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:31,625 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:31,816 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 12 [2020-09-21 12:08:31,973 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:32,131 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:32,293 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:32,459 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 13 [2020-09-21 12:08:32,615 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:32,771 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:32,925 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:33,081 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:33,235 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:33,391 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:33,552 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:33,713 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:33,867 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:34,147 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-21 12:08:34,424 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-21 12:08:34,701 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-21 12:08:34,858 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:35,022 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:35,176 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:35,331 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:35,485 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:35,644 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 12 [2020-09-21 12:08:35,809 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:35,963 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:36,117 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:36,270 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:36,550 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-21 12:08:36,844 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-21 12:08:37,119 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-21 12:08:37,283 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:37,445 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 11 [2020-09-21 12:08:37,637 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-09-21 12:08:37,910 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-09-21 12:08:38,128 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-09-21 12:08:38,349 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-09-21 12:08:38,630 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:38,915 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 18 [2020-09-21 12:08:39,185 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-09-21 12:08:39,397 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-09-21 12:08:39,627 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-09-21 12:08:39,846 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 18 [2020-09-21 12:08:40,072 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-09-21 12:08:40,288 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-09-21 12:08:40,526 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-09-21 12:08:40,734 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-09-21 12:08:40,982 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 11 [2020-09-21 12:08:41,203 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-09-21 12:08:41,416 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-09-21 12:08:41,649 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 18 [2020-09-21 12:08:41,848 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-09-21 12:08:41,853 INFO L268 CegarLoopResult]: For program point L598(lines 598 602) no Hoare annotation was computed. [2020-09-21 12:08:41,853 INFO L268 CegarLoopResult]: For program point L598-1(lines 598 602) no Hoare annotation was computed. [2020-09-21 12:08:41,853 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 567 622) no Hoare annotation was computed. [2020-09-21 12:08:41,854 INFO L268 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-09-21 12:08:41,854 INFO L268 CegarLoopResult]: For program point L592-2(lines 592 613) no Hoare annotation was computed. [2020-09-21 12:08:41,854 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 567 622) no Hoare annotation was computed. [2020-09-21 12:08:41,854 INFO L268 CegarLoopResult]: For program point L614(lines 591 615) no Hoare annotation was computed. [2020-09-21 12:08:41,854 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 567 622) no Hoare annotation was computed. [2020-09-21 12:08:41,854 INFO L268 CegarLoopResult]: For program point L668(line 668) no Hoare annotation was computed. [2020-09-21 12:08:41,854 INFO L268 CegarLoopResult]: For program point L668-1(line 668) no Hoare annotation was computed. [2020-09-21 12:08:41,855 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 623 682) no Hoare annotation was computed. [2020-09-21 12:08:41,855 INFO L268 CegarLoopResult]: For program point L655(lines 655 659) no Hoare annotation was computed. [2020-09-21 12:08:41,855 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 623 682) no Hoare annotation was computed. [2020-09-21 12:08:41,855 INFO L268 CegarLoopResult]: For program point L655-1(lines 655 659) no Hoare annotation was computed. [2020-09-21 12:08:41,855 INFO L268 CegarLoopResult]: For program point L650(line 650) no Hoare annotation was computed. [2020-09-21 12:08:41,856 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 623 682) no Hoare annotation was computed. [2020-09-21 12:08:41,856 INFO L268 CegarLoopResult]: For program point L649-2(lines 649 674) no Hoare annotation was computed. [2020-09-21 12:08:41,856 INFO L268 CegarLoopResult]: For program point L675(lines 648 676) no Hoare annotation was computed. [2020-09-21 12:08:41,856 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 408 414) the Hoare annotation is: true [2020-09-21 12:08:41,856 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 408 414) no Hoare annotation was computed. [2020-09-21 12:08:41,857 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 415 423) no Hoare annotation was computed. [2020-09-21 12:08:41,857 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 415 423) the Hoare annotation is: true [2020-09-21 12:08:41,857 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 415 423) no Hoare annotation was computed. [2020-09-21 12:08:41,857 INFO L264 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:08:41,857 INFO L264 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:08:41,857 INFO L264 CegarLoopResult]: At program point L128-1(line 128) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:08:41,858 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:08:41,858 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2020-09-21 12:08:41,858 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2020-09-21 12:08:41,858 INFO L264 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:08:41,858 INFO L264 CegarLoopResult]: At program point L134-1(line 134) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:08:41,859 INFO L268 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-09-21 12:08:41,859 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2020-09-21 12:08:41,859 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-21 12:08:41,859 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-09-21 12:08:41,859 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-09-21 12:08:41,859 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-09-21 12:08:41,859 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-09-21 12:08:41,859 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-09-21 12:08:41,860 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-21 12:08:41,860 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-09-21 12:08:41,860 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-09-21 12:08:41,860 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-09-21 12:08:41,860 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-09-21 12:08:41,860 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-09-21 12:08:41,860 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-09-21 12:08:41,860 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-09-21 12:08:41,861 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-09-21 12:08:41,861 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-21 12:08:41,861 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-09-21 12:08:41,861 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-09-21 12:08:41,861 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 344 352) no Hoare annotation was computed. [2020-09-21 12:08:41,861 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 344 352) the Hoare annotation is: true [2020-09-21 12:08:41,861 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 344 352) no Hoare annotation was computed. [2020-09-21 12:08:41,861 INFO L268 CegarLoopResult]: For program point L383(line 383) no Hoare annotation was computed. [2020-09-21 12:08:41,861 INFO L268 CegarLoopResult]: For program point L383-1(line 383) no Hoare annotation was computed. [2020-09-21 12:08:41,862 INFO L268 CegarLoopResult]: For program point L372(lines 372 380) no Hoare annotation was computed. [2020-09-21 12:08:41,862 INFO L268 CegarLoopResult]: For program point L372-2(lines 372 380) no Hoare annotation was computed. [2020-09-21 12:08:41,862 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 353 388) no Hoare annotation was computed. [2020-09-21 12:08:41,862 INFO L268 CegarLoopResult]: For program point L360(lines 360 368) no Hoare annotation was computed. [2020-09-21 12:08:41,862 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 353 388) no Hoare annotation was computed. [2020-09-21 12:08:41,862 INFO L268 CegarLoopResult]: For program point L360-2(lines 360 368) no Hoare annotation was computed. [2020-09-21 12:08:41,862 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 353 388) no Hoare annotation was computed. [2020-09-21 12:08:41,862 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 401 407) no Hoare annotation was computed. [2020-09-21 12:08:41,862 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 401 407) the Hoare annotation is: true [2020-09-21 12:08:41,863 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 521 566) no Hoare annotation was computed. [2020-09-21 12:08:41,863 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 521 566) no Hoare annotation was computed. [2020-09-21 12:08:41,863 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 521 566) no Hoare annotation was computed. [2020-09-21 12:08:41,863 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 834 879) no Hoare annotation was computed. [2020-09-21 12:08:41,863 INFO L268 CegarLoopResult]: For program point L854(lines 854 861) no Hoare annotation was computed. [2020-09-21 12:08:41,863 INFO L268 CegarLoopResult]: For program point L848(lines 848 868) no Hoare annotation was computed. [2020-09-21 12:08:41,863 INFO L268 CegarLoopResult]: For program point L848-1(lines 848 868) no Hoare annotation was computed. [2020-09-21 12:08:41,863 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 834 879) no Hoare annotation was computed. [2020-09-21 12:08:41,864 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 834 879) no Hoare annotation was computed. [2020-09-21 12:08:41,864 INFO L264 CegarLoopResult]: At program point L113(line 113) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-09-21 12:08:41,864 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:08:41,864 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2020-09-21 12:08:41,864 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2020-09-21 12:08:41,864 INFO L268 CegarLoopResult]: For program point L338-1(line 338) no Hoare annotation was computed. [2020-09-21 12:08:41,865 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 333 343) the Hoare annotation is: true [2020-09-21 12:08:41,865 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 333 343) no Hoare annotation was computed. [2020-09-21 12:08:41,865 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 333 343) no Hoare annotation was computed. [2020-09-21 12:08:41,865 INFO L271 CegarLoopResult]: At program point L338(line 338) the Hoare annotation is: true [2020-09-21 12:08:41,865 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 325 332) the Hoare annotation is: true [2020-09-21 12:08:41,865 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 325 332) no Hoare annotation was computed. [2020-09-21 12:08:41,865 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 325 332) no Hoare annotation was computed. [2020-09-21 12:08:41,866 INFO L264 CegarLoopResult]: At program point L311(line 311) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:08:41,866 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 292 316) no Hoare annotation was computed. [2020-09-21 12:08:41,866 INFO L268 CegarLoopResult]: For program point L311-1(lines 292 316) no Hoare annotation was computed. [2020-09-21 12:08:41,866 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 292 316) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:08:41,866 INFO L264 CegarLoopResult]: At program point L306(line 306) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:08:41,866 INFO L264 CegarLoopResult]: At program point L302(line 302) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:08:41,866 INFO L268 CegarLoopResult]: For program point L300(lines 300 308) no Hoare annotation was computed. [2020-09-21 12:08:41,867 INFO L264 CegarLoopResult]: At program point L298(line 298) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:08:41,867 INFO L268 CegarLoopResult]: For program point L298-1(line 298) no Hoare annotation was computed. [2020-09-21 12:08:41,867 INFO L268 CegarLoopResult]: For program point L296(lines 296 313) no Hoare annotation was computed. [2020-09-21 12:08:41,867 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 284 290) no Hoare annotation was computed. [2020-09-21 12:08:41,867 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 284 290) the Hoare annotation is: true [2020-09-21 12:08:41,867 INFO L264 CegarLoopResult]: At program point testENTRY(lines 188 251) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:08:41,867 INFO L268 CegarLoopResult]: For program point testFINAL(lines 188 251) no Hoare annotation was computed. [2020-09-21 12:08:41,868 INFO L264 CegarLoopResult]: At program point L244(lines 197 245) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:08:41,868 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-09-21 12:08:41,868 INFO L264 CegarLoopResult]: At program point L234-2(lines 228 239) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:08:41,868 INFO L268 CegarLoopResult]: For program point L199(lines 198 243) no Hoare annotation was computed. [2020-09-21 12:08:41,868 INFO L268 CegarLoopResult]: For program point L228(lines 228 239) no Hoare annotation was computed. [2020-09-21 12:08:41,868 INFO L264 CegarLoopResult]: At program point L220(line 220) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:08:41,868 INFO L268 CegarLoopResult]: For program point L218(lines 218 224) no Hoare annotation was computed. [2020-09-21 12:08:41,869 INFO L268 CegarLoopResult]: For program point L218-1(lines 218 224) no Hoare annotation was computed. [2020-09-21 12:08:41,869 INFO L264 CegarLoopResult]: At program point L210(line 210) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:08:41,869 INFO L264 CegarLoopResult]: At program point L241(lines 198 243) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:08:41,869 INFO L268 CegarLoopResult]: For program point L208(lines 208 214) no Hoare annotation was computed. [2020-09-21 12:08:41,869 INFO L268 CegarLoopResult]: For program point L208-1(lines 208 214) no Hoare annotation was computed. [2020-09-21 12:08:41,869 INFO L268 CegarLoopResult]: For program point L200(lines 200 204) no Hoare annotation was computed. [2020-09-21 12:08:41,869 INFO L268 CegarLoopResult]: For program point testEXIT(lines 188 251) no Hoare annotation was computed. [2020-09-21 12:08:41,869 INFO L268 CegarLoopResult]: For program point L802-1(lines 802 822) no Hoare annotation was computed. [2020-09-21 12:08:41,870 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 788 833) no Hoare annotation was computed. [2020-09-21 12:08:41,870 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 788 833) no Hoare annotation was computed. [2020-09-21 12:08:41,870 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 788 833) no Hoare annotation was computed. [2020-09-21 12:08:41,870 INFO L268 CegarLoopResult]: For program point L808(lines 808 815) no Hoare annotation was computed. [2020-09-21 12:08:41,870 INFO L268 CegarLoopResult]: For program point L802(lines 802 822) no Hoare annotation was computed. [2020-09-21 12:08:41,870 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 158 186) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 12:08:41,871 INFO L264 CegarLoopResult]: At program point L173(line 173) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:08:41,871 INFO L268 CegarLoopResult]: For program point L171(lines 171 177) no Hoare annotation was computed. [2020-09-21 12:08:41,871 INFO L268 CegarLoopResult]: For program point L170(lines 170 180) no Hoare annotation was computed. [2020-09-21 12:08:41,871 INFO L264 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 12:08:41,871 INFO L268 CegarLoopResult]: For program point L168-1(line 168) no Hoare annotation was computed. [2020-09-21 12:08:41,871 INFO L268 CegarLoopResult]: For program point L166(lines 166 183) no Hoare annotation was computed. [2020-09-21 12:08:41,871 INFO L268 CegarLoopResult]: For program point L166-1(lines 158 186) no Hoare annotation was computed. [2020-09-21 12:08:41,872 INFO L264 CegarLoopResult]: At program point L164(line 164) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 12:08:41,872 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 158 186) no Hoare annotation was computed. [2020-09-21 12:08:41,872 INFO L268 CegarLoopResult]: For program point L164-1(line 164) no Hoare annotation was computed. [2020-09-21 12:08:41,872 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 150 157) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 12:08:41,872 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 150 157) no Hoare annotation was computed. [2020-09-21 12:08:41,872 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 150 157) no Hoare annotation was computed. [2020-09-21 12:08:41,872 INFO L268 CegarLoopResult]: For program point L481(lines 481 489) no Hoare annotation was computed. [2020-09-21 12:08:41,872 INFO L268 CegarLoopResult]: For program point L481-2(lines 481 489) no Hoare annotation was computed. [2020-09-21 12:08:41,872 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 473 495) no Hoare annotation was computed. [2020-09-21 12:08:41,873 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 473 495) no Hoare annotation was computed. [2020-09-21 12:08:41,873 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 473 495) no Hoare annotation was computed. [2020-09-21 12:08:41,873 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 391 400) no Hoare annotation was computed. [2020-09-21 12:08:41,873 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 391 400) no Hoare annotation was computed. [2020-09-21 12:08:41,873 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 391 400) no Hoare annotation was computed. [2020-09-21 12:08:41,873 INFO L268 CegarLoopResult]: For program point L735(lines 734 754) no Hoare annotation was computed. [2020-09-21 12:08:41,873 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 685 787) no Hoare annotation was computed. [2020-09-21 12:08:41,873 INFO L268 CegarLoopResult]: For program point L766(line 766) no Hoare annotation was computed. [2020-09-21 12:08:41,874 INFO L268 CegarLoopResult]: For program point L766-1(line 766) no Hoare annotation was computed. [2020-09-21 12:08:41,874 INFO L268 CegarLoopResult]: For program point L731(lines 731 772) no Hoare annotation was computed. [2020-09-21 12:08:41,874 INFO L268 CegarLoopResult]: For program point L750(line 750) no Hoare annotation was computed. [2020-09-21 12:08:41,874 INFO L268 CegarLoopResult]: For program point L750-1(line 750) no Hoare annotation was computed. [2020-09-21 12:08:41,874 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 685 787) no Hoare annotation was computed. [2020-09-21 12:08:41,874 INFO L268 CegarLoopResult]: For program point L709(lines 709 713) no Hoare annotation was computed. [2020-09-21 12:08:41,874 INFO L268 CegarLoopResult]: For program point L773(lines 773 784) no Hoare annotation was computed. [2020-09-21 12:08:41,874 INFO L268 CegarLoopResult]: For program point L736(lines 736 740) no Hoare annotation was computed. [2020-09-21 12:08:41,874 INFO L268 CegarLoopResult]: For program point L734-2(lines 734 754) no Hoare annotation was computed. [2020-09-21 12:08:41,875 INFO L268 CegarLoopResult]: For program point L755(lines 733 756) no Hoare annotation was computed. [2020-09-21 12:08:41,875 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 685 787) no Hoare annotation was computed. [2020-09-21 12:08:41,875 INFO L268 CegarLoopResult]: For program point L714(lines 714 730) no Hoare annotation was computed. [2020-09-21 12:08:41,875 INFO L268 CegarLoopResult]: For program point L774(lines 774 781) no Hoare annotation was computed. [2020-09-21 12:08:41,875 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:08:41,875 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~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 12:08:41,876 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:08:41,876 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 317 324) no Hoare annotation was computed. [2020-09-21 12:08:41,876 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 317 324) no Hoare annotation was computed. [2020-09-21 12:08:41,876 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 317 324) no Hoare annotation was computed. [2020-09-21 12:08:41,876 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 496 504) no Hoare annotation was computed. [2020-09-21 12:08:41,876 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 496 504) no Hoare annotation was computed. [2020-09-21 12:08:41,876 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 496 504) no Hoare annotation was computed. [2020-09-21 12:08:41,877 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 452 463) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 12:08:41,877 INFO L268 CegarLoopResult]: For program point L456-1(lines 452 463) no Hoare annotation was computed. [2020-09-21 12:08:41,877 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 452 463) no Hoare annotation was computed. [2020-09-21 12:08:41,877 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:08:41,877 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:08:41,877 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:08:41,877 INFO L264 CegarLoopResult]: At program point L273(line 273) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:08:41,877 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 260 283) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:08:41,878 INFO L264 CegarLoopResult]: At program point L271(lines 271 277) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:08:41,878 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 260 283) no Hoare annotation was computed. [2020-09-21 12:08:41,878 INFO L264 CegarLoopResult]: At program point L266(line 266) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:08:41,878 INFO L268 CegarLoopResult]: For program point L264(lines 263 282) no Hoare annotation was computed. [2020-09-21 12:08:41,878 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 260 283) no Hoare annotation was computed. [2020-09-21 12:08:41,878 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-09-21 12:08:41,878 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-09-21 12:08:41,878 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-09-21 12:08:41,879 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-09-21 12:08:41,879 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-09-21 12:08:41,879 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-09-21 12:08:41,879 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-09-21 12:08:41,879 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-09-21 12:08:41,879 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-09-21 12:08:41,879 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-09-21 12:08:41,879 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 464 472) the Hoare annotation is: true [2020-09-21 12:08:41,879 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 464 472) no Hoare annotation was computed. [2020-09-21 12:08:41,880 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 464 472) no Hoare annotation was computed. [2020-09-21 12:08:41,880 INFO L268 CegarLoopResult]: For program point L432-1(lines 428 439) no Hoare annotation was computed. [2020-09-21 12:08:41,880 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 428 439) the Hoare annotation is: true [2020-09-21 12:08:41,880 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 428 439) no Hoare annotation was computed. [2020-09-21 12:08:41,880 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-09-21 12:08:41,880 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-09-21 12:08:41,880 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:08:41,880 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-21 12:08:41,880 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:08:41,881 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:08:41,881 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 440 451) no Hoare annotation was computed. [2020-09-21 12:08:41,881 INFO L268 CegarLoopResult]: For program point L444-1(lines 440 451) no Hoare annotation was computed. [2020-09-21 12:08:41,881 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 440 451) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:08:41,881 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 506 513) no Hoare annotation was computed. [2020-09-21 12:08:41,881 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 510) no Hoare annotation was computed. [2020-09-21 12:08:41,881 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 506 513) the Hoare annotation is: true [2020-09-21 12:08:41,882 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 506 513) no Hoare annotation was computed. [2020-09-21 12:08:41,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:08:41 BoogieIcfgContainer [2020-09-21 12:08:41,900 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:08:41,902 INFO L168 Benchmark]: Toolchain (without parser) took 27063.49 ms. Allocated memory was 140.5 MB in the beginning and 540.5 MB in the end (delta: 400.0 MB). Free memory was 102.7 MB in the beginning and 146.0 MB in the end (delta: -43.4 MB). Peak memory consumption was 373.9 MB. Max. memory is 7.1 GB. [2020-09-21 12:08:41,903 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 12:08:41,904 INFO L168 Benchmark]: CACSL2BoogieTranslator took 744.80 ms. Allocated memory was 140.5 MB in the beginning and 205.0 MB in the end (delta: 64.5 MB). Free memory was 102.0 MB in the beginning and 174.7 MB in the end (delta: -72.8 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:08:41,905 INFO L168 Benchmark]: Boogie Preprocessor took 117.74 ms. Allocated memory is still 205.0 MB. Free memory was 174.7 MB in the beginning and 170.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:08:41,905 INFO L168 Benchmark]: RCFGBuilder took 1143.28 ms. Allocated memory was 205.0 MB in the beginning and 235.9 MB in the end (delta: 30.9 MB). Free memory was 170.7 MB in the beginning and 201.2 MB in the end (delta: -30.5 MB). Peak memory consumption was 83.5 MB. Max. memory is 7.1 GB. [2020-09-21 12:08:41,906 INFO L168 Benchmark]: TraceAbstraction took 25047.96 ms. Allocated memory was 235.9 MB in the beginning and 540.5 MB in the end (delta: 304.6 MB). Free memory was 201.2 MB in the beginning and 146.0 MB in the end (delta: 55.1 MB). Peak memory consumption was 377.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:08:41,910 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 744.80 ms. Allocated memory was 140.5 MB in the beginning and 205.0 MB in the end (delta: 64.5 MB). Free memory was 102.0 MB in the beginning and 174.7 MB in the end (delta: -72.8 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.74 ms. Allocated memory is still 205.0 MB. Free memory was 174.7 MB in the beginning and 170.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1143.28 ms. Allocated memory was 205.0 MB in the beginning and 235.9 MB in the end (delta: 30.9 MB). Free memory was 170.7 MB in the beginning and 201.2 MB in the end (delta: -30.5 MB). Peak memory consumption was 83.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25047.96 ms. Allocated memory was 235.9 MB in the beginning and 540.5 MB in the end (delta: 304.6 MB). Free memory was 201.2 MB in the beginning and 146.0 MB in the end (delta: 55.1 MB). Peak memory consumption was 377.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 510]: 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: 198]: Loop Invariant Derived loop invariant: (!(1 <= systemActive) || !(\old(pumpRunning) == 0)) || (splverifierCounter <= 0 && pumpRunning == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: !(1 <= systemActive) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 209 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.1s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 5.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 334 SDtfs, 440 SDslu, 177 SDs, 0 SdLazy, 705 SolverSat, 286 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=147occurred 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, 85 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 171 PreInvPairs, 188 NumberOfFragments, 671 HoareAnnotationTreeSize, 171 FomulaSimplifications, 15980 FormulaSimplificationTreeSizeReduction, 7.1s HoareSimplificationTime, 50 FomulaSimplificationsInter, 4947 FormulaSimplificationTreeSizeReductionInter, 4.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.6s InterpolantComputationTime, 223 NumberOfCodeBlocks, 223 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 219 ConstructedInterpolants, 0 QuantifiedInterpolants, 58615 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...