/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 enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.1 --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_spec3_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 02:52:31,517 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 02:52:31,520 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 02:52:31,559 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 02:52:31,561 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 02:52:31,570 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 02:52:31,572 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 02:52:31,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 02:52:31,578 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 02:52:31,581 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 02:52:31,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 02:52:31,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 02:52:31,583 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 02:52:31,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 02:52:31,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 02:52:31,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 02:52:31,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 02:52:31,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 02:52:31,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 02:52:31,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 02:52:31,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 02:52:31,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 02:52:31,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 02:52:31,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 02:52:31,619 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 02:52:31,619 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 02:52:31,619 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 02:52:31,623 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 02:52:31,623 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 02:52:31,625 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 02:52:31,626 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 02:52:31,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 02:52:31,627 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 02:52:31,628 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 02:52:31,629 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 02:52:31,629 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 02:52:31,630 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 02:52:31,630 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 02:52:31,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 02:52:31,631 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 02:52:31,633 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 02:52:31,634 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 [2020-08-22 02:52:31,678 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 02:52:31,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 02:52:31,680 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 02:52:31,681 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 02:52:31,681 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 02:52:31,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 02:52:31,681 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 02:52:31,682 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 02:52:31,682 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 02:52:31,682 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 02:52:31,683 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 02:52:31,683 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 02:52:31,684 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 02:52:31,684 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 02:52:31,684 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 02:52:31,685 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 02:52:31,685 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 02:52:31,685 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 02:52:31,685 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 02:52:31,685 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 02:52:31,686 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 02:52:31,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 02:52:31,686 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 02:52:31,686 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 02:52:31,686 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 02:52:31,687 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 02:52:31,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 02:52:31,687 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 02:52:31,687 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 02:52:31,687 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 -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; [2020-08-22 02:52:32,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 02:52:32,027 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 02:52:32,031 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 02:52:32,033 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 02:52:32,033 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 02:52:32,034 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product34.cil.c [2020-08-22 02:52:32,092 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/afe5037d0/0b282837d0e946d78726d2b1fdf98898/FLAGc62773b38 [2020-08-22 02:52:32,633 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 02:52:32,634 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product34.cil.c [2020-08-22 02:52:32,648 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/afe5037d0/0b282837d0e946d78726d2b1fdf98898/FLAGc62773b38 [2020-08-22 02:52:32,927 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/afe5037d0/0b282837d0e946d78726d2b1fdf98898 [2020-08-22 02:52:32,937 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 02:52:32,938 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 02:52:32,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 02:52:32,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 02:52:32,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 02:52:32,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 02:52:32" (1/1) ... [2020-08-22 02:52:32,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7845d484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:52:32, skipping insertion in model container [2020-08-22 02:52:32,947 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 02:52:32" (1/1) ... [2020-08-22 02:52:32,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 02:52:33,014 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 02:52:33,378 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 02:52:33,390 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 02:52:33,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 02:52:33,620 INFO L208 MainTranslator]: Completed translation [2020-08-22 02:52:33,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:52:33 WrapperNode [2020-08-22 02:52:33,621 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 02:52:33,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 02:52:33,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 02:52:33,622 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 02:52:33,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:52:33" (1/1) ... [2020-08-22 02:52:33,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:52:33" (1/1) ... [2020-08-22 02:52:33,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:52:33" (1/1) ... [2020-08-22 02:52:33,654 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:52:33" (1/1) ... [2020-08-22 02:52:33,707 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:52:33" (1/1) ... [2020-08-22 02:52:33,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:52:33" (1/1) ... [2020-08-22 02:52:33,732 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:52:33" (1/1) ... [2020-08-22 02:52:33,754 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 02:52:33,754 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 02:52:33,754 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 02:52:33,755 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 02:52:33,761 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:52:33" (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 [2020-08-22 02:52:33,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 02:52:33,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 02:52:33,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 02:52:33,835 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 02:52:33,835 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-22 02:52:33,836 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-22 02:52:33,836 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 02:52:33,836 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-22 02:52:33,836 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 02:52:33,837 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-22 02:52:33,837 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-22 02:52:33,838 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-22 02:52:33,838 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-22 02:52:33,838 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-22 02:52:33,838 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-22 02:52:33,839 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-22 02:52:33,839 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-22 02:52:33,839 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-08-22 02:52:33,840 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-22 02:52:33,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 02:52:33,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 02:52:33,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 02:52:33,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 02:52:33,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 02:52:33,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 02:52:33,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-08-22 02:52:33,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 02:52:33,842 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-22 02:52:33,842 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-22 02:52:33,843 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-22 02:52:33,843 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-22 02:52:33,843 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-22 02:52:33,843 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-22 02:52:33,843 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-08-22 02:52:33,843 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 02:52:33,843 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 02:52:33,844 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 02:52:33,844 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 02:52:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 02:52:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 02:52:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 02:52:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-22 02:52:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-22 02:52:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-22 02:52:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-22 02:52:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-22 02:52:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 02:52:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-22 02:52:33,846 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-22 02:52:33,846 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 02:52:33,846 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-22 02:52:33,846 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 02:52:33,846 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 02:52:33,847 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 02:52:33,847 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 02:52:33,847 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-22 02:52:33,847 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-22 02:52:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-22 02:52:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-08-22 02:52:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-22 02:52:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-22 02:52:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-22 02:52:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-08-22 02:52:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-22 02:52:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-22 02:52:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-08-22 02:52:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-22 02:52:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 02:52:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 02:52:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 02:52:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 02:52:33,850 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 02:52:33,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 02:52:33,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 02:52:33,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 02:52:33,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 02:52:33,852 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 02:52:33,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 02:52:33,853 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 02:52:33,853 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 02:52:33,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 02:52:33,853 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 02:52:33,854 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 02:52:33,854 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 02:52:33,854 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 02:52:33,855 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-22 02:52:33,855 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 02:52:33,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 02:52:33,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 02:52:33,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 02:52:34,993 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 02:52:34,993 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-22 02:52:35,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 02:52:35 BoogieIcfgContainer [2020-08-22 02:52:35,003 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 02:52:35,005 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 02:52:35,005 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 02:52:35,008 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 02:52:35,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 02:52:32" (1/3) ... [2020-08-22 02:52:35,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d8521b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 02:52:35, skipping insertion in model container [2020-08-22 02:52:35,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:52:33" (2/3) ... [2020-08-22 02:52:35,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d8521b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 02:52:35, skipping insertion in model container [2020-08-22 02:52:35,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 02:52:35" (3/3) ... [2020-08-22 02:52:35,014 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product34.cil.c [2020-08-22 02:52:35,025 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 02:52:35,033 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 02:52:35,047 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 02:52:35,070 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 02:52:35,070 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 02:52:35,070 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 02:52:35,070 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 02:52:35,070 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 02:52:35,071 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 02:52:35,071 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 02:52:35,071 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 02:52:35,089 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2020-08-22 02:52:35,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-22 02:52:35,099 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:52:35,100 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] [2020-08-22 02:52:35,101 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:52:35,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:52:35,106 INFO L82 PathProgramCache]: Analyzing trace with hash -1636335383, now seen corresponding path program 1 times [2020-08-22 02:52:35,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:52:35,113 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [106732964] [2020-08-22 02:52:35,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:52:35,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:35,761 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 02:52:35,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:52:35,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:35,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:52:35,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:35,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:52:35,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:35,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:52:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:35,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:52:35,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:35,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-22 02:52:35,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:35,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-22 02:52:35,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:35,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-22 02:52:35,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:35,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:52:35,849 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [106732964] [2020-08-22 02:52:35,852 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:52:35,852 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-22 02:52:35,853 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537944488] [2020-08-22 02:52:35,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 02:52:35,859 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:52:35,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 02:52:35,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-22 02:52:35,877 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 3 states. [2020-08-22 02:52:36,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:52:36,910 INFO L93 Difference]: Finished difference Result 270 states and 355 transitions. [2020-08-22 02:52:36,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 02:52:36,914 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-08-22 02:52:36,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:52:36,928 INFO L225 Difference]: With dead ends: 270 [2020-08-22 02:52:36,929 INFO L226 Difference]: Without dead ends: 146 [2020-08-22 02:52:36,933 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-22 02:52:36,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-08-22 02:52:37,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 115. [2020-08-22 02:52:37,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-08-22 02:52:37,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 134 transitions. [2020-08-22 02:52:37,020 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 134 transitions. Word has length 52 [2020-08-22 02:52:37,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:52:37,021 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 134 transitions. [2020-08-22 02:52:37,021 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 02:52:37,022 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 134 transitions. [2020-08-22 02:52:37,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-08-22 02:52:37,025 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:52:37,026 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] [2020-08-22 02:52:37,026 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 02:52:37,026 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:52:37,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:52:37,027 INFO L82 PathProgramCache]: Analyzing trace with hash -1439054439, now seen corresponding path program 1 times [2020-08-22 02:52:37,028 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:52:37,028 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [4267753] [2020-08-22 02:52:37,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:52:37,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:37,420 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 02:52:37,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:52:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:37,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:52:37,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:37,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:52:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:37,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:52:37,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:37,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:52:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:37,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-22 02:52:37,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:37,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-22 02:52:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:37,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-22 02:52:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:37,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:52:37,488 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [4267753] [2020-08-22 02:52:37,488 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:52:37,488 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 02:52:37,488 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848215450] [2020-08-22 02:52:37,490 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 02:52:37,491 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:52:37,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 02:52:37,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-22 02:52:37,491 INFO L87 Difference]: Start difference. First operand 115 states and 134 transitions. Second operand 4 states. [2020-08-22 02:52:37,959 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:52:38,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:52:38,740 INFO L93 Difference]: Finished difference Result 199 states and 242 transitions. [2020-08-22 02:52:38,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 02:52:38,741 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-08-22 02:52:38,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:52:38,743 INFO L225 Difference]: With dead ends: 199 [2020-08-22 02:52:38,743 INFO L226 Difference]: Without dead ends: 130 [2020-08-22 02:52:38,745 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-22 02:52:38,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-08-22 02:52:38,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 106. [2020-08-22 02:52:38,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-08-22 02:52:38,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions. [2020-08-22 02:52:38,779 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 53 [2020-08-22 02:52:38,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:52:38,780 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 122 transitions. [2020-08-22 02:52:38,780 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 02:52:38,780 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2020-08-22 02:52:38,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-08-22 02:52:38,783 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:52:38,783 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 02:52:38,783 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 02:52:38,783 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:52:38,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:52:38,784 INFO L82 PathProgramCache]: Analyzing trace with hash -580669987, now seen corresponding path program 1 times [2020-08-22 02:52:38,784 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:52:38,785 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [823035223] [2020-08-22 02:52:38,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:52:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:39,110 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 02:52:39,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:52:39,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:39,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:52:39,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:39,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:52:39,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:39,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:52:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:39,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:52:39,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:39,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-22 02:52:39,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:39,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-22 02:52:39,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:39,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 02:52:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:39,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:52:39,189 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [823035223] [2020-08-22 02:52:39,190 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:52:39,190 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 02:52:39,190 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210276867] [2020-08-22 02:52:39,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 02:52:39,191 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:52:39,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 02:52:39,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-22 02:52:39,192 INFO L87 Difference]: Start difference. First operand 106 states and 122 transitions. Second operand 8 states. [2020-08-22 02:52:39,613 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 02:52:39,907 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 02:52:40,172 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 02:52:40,450 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 02:52:41,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:52:41,463 INFO L93 Difference]: Finished difference Result 212 states and 260 transitions. [2020-08-22 02:52:41,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 02:52:41,465 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-08-22 02:52:41,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:52:41,467 INFO L225 Difference]: With dead ends: 212 [2020-08-22 02:52:41,468 INFO L226 Difference]: Without dead ends: 130 [2020-08-22 02:52:41,469 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-22 02:52:41,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-08-22 02:52:41,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 106. [2020-08-22 02:52:41,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-08-22 02:52:41,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 121 transitions. [2020-08-22 02:52:41,505 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 121 transitions. Word has length 58 [2020-08-22 02:52:41,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:52:41,506 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 121 transitions. [2020-08-22 02:52:41,506 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 02:52:41,506 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 121 transitions. [2020-08-22 02:52:41,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-08-22 02:52:41,507 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:52:41,508 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, 1, 1] [2020-08-22 02:52:41,508 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 02:52:41,508 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:52:41,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:52:41,509 INFO L82 PathProgramCache]: Analyzing trace with hash 2122897594, now seen corresponding path program 1 times [2020-08-22 02:52:41,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:52:41,509 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [74136746] [2020-08-22 02:52:41,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:52:41,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:41,786 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 02:52:41,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:52:41,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:41,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:52:41,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:41,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:52:41,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:41,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:52:41,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:41,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:52:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:41,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 02:52:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:41,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 02:52:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:41,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 02:52:41,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:41,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-22 02:52:41,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:41,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-08-22 02:52:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:41,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:52:41,920 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [74136746] [2020-08-22 02:52:41,920 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:52:41,920 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 02:52:41,920 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723091699] [2020-08-22 02:52:41,921 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 02:52:41,921 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:52:41,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 02:52:41,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-22 02:52:41,923 INFO L87 Difference]: Start difference. First operand 106 states and 121 transitions. Second operand 6 states. [2020-08-22 02:52:42,283 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 02:52:43,511 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:52:44,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:52:44,045 INFO L93 Difference]: Finished difference Result 312 states and 384 transitions. [2020-08-22 02:52:44,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 02:52:44,046 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2020-08-22 02:52:44,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:52:44,050 INFO L225 Difference]: With dead ends: 312 [2020-08-22 02:52:44,050 INFO L226 Difference]: Without dead ends: 230 [2020-08-22 02:52:44,052 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-08-22 02:52:44,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-08-22 02:52:44,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 187. [2020-08-22 02:52:44,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-08-22 02:52:44,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 214 transitions. [2020-08-22 02:52:44,099 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 214 transitions. Word has length 66 [2020-08-22 02:52:44,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:52:44,099 INFO L479 AbstractCegarLoop]: Abstraction has 187 states and 214 transitions. [2020-08-22 02:52:44,099 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 02:52:44,100 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 214 transitions. [2020-08-22 02:52:44,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-08-22 02:52:44,101 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:52:44,101 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 02:52:44,102 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 02:52:44,102 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:52:44,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:52:44,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1628331355, now seen corresponding path program 1 times [2020-08-22 02:52:44,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:52:44,103 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [220249201] [2020-08-22 02:52:44,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:52:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:44,386 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 02:52:44,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:52:44,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:44,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:52:44,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:44,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:52:44,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:44,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:52:44,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:44,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:52:44,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:44,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 02:52:44,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:44,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 02:52:44,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:44,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:52:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:44,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 02:52:44,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:44,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-08-22 02:52:44,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:44,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-08-22 02:52:44,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:44,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-08-22 02:52:44,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:44,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:52:44,519 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [220249201] [2020-08-22 02:52:44,520 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:52:44,520 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 02:52:44,520 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324260686] [2020-08-22 02:52:44,521 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 02:52:44,521 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:52:44,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 02:52:44,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-22 02:52:44,522 INFO L87 Difference]: Start difference. First operand 187 states and 214 transitions. Second operand 8 states. [2020-08-22 02:52:44,911 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 02:52:46,145 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 02:52:46,441 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 02:52:46,716 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 02:52:46,938 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 02:52:47,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:52:47,526 INFO L93 Difference]: Finished difference Result 513 states and 644 transitions. [2020-08-22 02:52:47,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-22 02:52:47,528 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 80 [2020-08-22 02:52:47,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:52:47,533 INFO L225 Difference]: With dead ends: 513 [2020-08-22 02:52:47,533 INFO L226 Difference]: Without dead ends: 350 [2020-08-22 02:52:47,535 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-08-22 02:52:47,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2020-08-22 02:52:47,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 307. [2020-08-22 02:52:47,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2020-08-22 02:52:47,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 357 transitions. [2020-08-22 02:52:47,607 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 357 transitions. Word has length 80 [2020-08-22 02:52:47,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:52:47,608 INFO L479 AbstractCegarLoop]: Abstraction has 307 states and 357 transitions. [2020-08-22 02:52:47,608 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 02:52:47,608 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 357 transitions. [2020-08-22 02:52:47,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-08-22 02:52:47,610 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:52:47,610 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 02:52:47,610 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 02:52:47,610 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:52:47,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:52:47,611 INFO L82 PathProgramCache]: Analyzing trace with hash 452882261, now seen corresponding path program 1 times [2020-08-22 02:52:47,611 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:52:47,611 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [766748210] [2020-08-22 02:52:47,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:52:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:47,930 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 02:52:47,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:52:47,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:47,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:52:47,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:47,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:52:47,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:47,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:52:47,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:47,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:52:47,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:47,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 02:52:47,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:48,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-22 02:52:48,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:48,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 02:52:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:48,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:52:48,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:48,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 02:52:48,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:48,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 02:52:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:48,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-08-22 02:52:48,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:48,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-08-22 02:52:48,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:48,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:52:48,062 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [766748210] [2020-08-22 02:52:48,062 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:52:48,063 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 02:52:48,063 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881097618] [2020-08-22 02:52:48,063 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 02:52:48,063 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:52:48,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 02:52:48,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-08-22 02:52:48,064 INFO L87 Difference]: Start difference. First operand 307 states and 357 transitions. Second operand 9 states. [2020-08-22 02:52:48,520 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 02:52:49,052 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 02:52:50,464 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 02:52:51,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:52:51,839 INFO L93 Difference]: Finished difference Result 759 states and 975 transitions. [2020-08-22 02:52:51,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-22 02:52:51,839 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 84 [2020-08-22 02:52:51,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:52:51,846 INFO L225 Difference]: With dead ends: 759 [2020-08-22 02:52:51,846 INFO L226 Difference]: Without dead ends: 585 [2020-08-22 02:52:51,848 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=115, Invalid=391, Unknown=0, NotChecked=0, Total=506 [2020-08-22 02:52:51,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2020-08-22 02:52:51,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 514. [2020-08-22 02:52:51,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 514 states. [2020-08-22 02:52:51,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 618 transitions. [2020-08-22 02:52:51,966 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 618 transitions. Word has length 84 [2020-08-22 02:52:51,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:52:51,967 INFO L479 AbstractCegarLoop]: Abstraction has 514 states and 618 transitions. [2020-08-22 02:52:51,967 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 02:52:51,967 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 618 transitions. [2020-08-22 02:52:51,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-08-22 02:52:51,969 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:52:51,969 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 02:52:51,969 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 02:52:51,969 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:52:51,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:52:51,970 INFO L82 PathProgramCache]: Analyzing trace with hash 782648022, now seen corresponding path program 1 times [2020-08-22 02:52:51,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:52:51,970 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [412044247] [2020-08-22 02:52:51,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:52:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:52,212 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 02:52:52,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:52:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:52,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:52:52,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:52,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:52:52,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:52,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:52:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:52,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:52:52,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:52,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 02:52:52,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:52,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-22 02:52:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:52,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 02:52:52,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:52,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:52:52,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:52,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 02:52:52,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:52,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 02:52:52,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:52,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-08-22 02:52:52,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:52,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-08-22 02:52:52,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:52,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:52:52,376 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [412044247] [2020-08-22 02:52:52,376 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:52:52,377 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 02:52:52,377 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545180190] [2020-08-22 02:52:52,378 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 02:52:52,378 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:52:52,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 02:52:52,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-08-22 02:52:52,379 INFO L87 Difference]: Start difference. First operand 514 states and 618 transitions. Second operand 8 states. [2020-08-22 02:52:53,233 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:52:53,448 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:52:53,681 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:52:54,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:52:54,506 INFO L93 Difference]: Finished difference Result 936 states and 1169 transitions. [2020-08-22 02:52:54,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 02:52:54,507 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2020-08-22 02:52:54,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:52:54,512 INFO L225 Difference]: With dead ends: 936 [2020-08-22 02:52:54,512 INFO L226 Difference]: Without dead ends: 559 [2020-08-22 02:52:54,514 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-08-22 02:52:54,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2020-08-22 02:52:54,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 514. [2020-08-22 02:52:54,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 514 states. [2020-08-22 02:52:54,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 617 transitions. [2020-08-22 02:52:54,640 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 617 transitions. Word has length 84 [2020-08-22 02:52:54,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:52:54,641 INFO L479 AbstractCegarLoop]: Abstraction has 514 states and 617 transitions. [2020-08-22 02:52:54,641 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 02:52:54,641 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 617 transitions. [2020-08-22 02:52:54,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-08-22 02:52:54,642 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:52:54,643 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 02:52:54,643 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-22 02:52:54,643 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:52:54,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:52:54,643 INFO L82 PathProgramCache]: Analyzing trace with hash 710261464, now seen corresponding path program 1 times [2020-08-22 02:52:54,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:52:54,644 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1023193516] [2020-08-22 02:52:54,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:52:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:54,961 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 02:52:54,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:52:54,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:54,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:52:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:54,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:52:54,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:54,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:52:54,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:55,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:52:55,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:55,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 02:52:55,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:55,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-22 02:52:55,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:55,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 02:52:55,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:55,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:52:55,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:55,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 02:52:55,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:55,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 02:52:55,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:55,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-08-22 02:52:55,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:55,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-08-22 02:52:55,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:55,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:52:55,152 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1023193516] [2020-08-22 02:52:55,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:52:55,153 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-22 02:52:55,154 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720322324] [2020-08-22 02:52:55,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-22 02:52:55,156 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:52:55,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-22 02:52:55,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-22 02:52:55,158 INFO L87 Difference]: Start difference. First operand 514 states and 617 transitions. Second operand 12 states. [2020-08-22 02:52:55,740 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:52:55,967 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:52:56,190 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:52:56,886 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:52:57,127 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 02:52:57,383 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:52:57,608 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:52:58,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:52:58,576 INFO L93 Difference]: Finished difference Result 1017 states and 1263 transitions. [2020-08-22 02:52:58,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-22 02:52:58,577 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 84 [2020-08-22 02:52:58,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:52:58,581 INFO L225 Difference]: With dead ends: 1017 [2020-08-22 02:52:58,581 INFO L226 Difference]: Without dead ends: 527 [2020-08-22 02:52:58,583 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2020-08-22 02:52:58,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2020-08-22 02:52:58,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 487. [2020-08-22 02:52:58,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 487 states. [2020-08-22 02:52:58,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 582 transitions. [2020-08-22 02:52:58,714 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 582 transitions. Word has length 84 [2020-08-22 02:52:58,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:52:58,715 INFO L479 AbstractCegarLoop]: Abstraction has 487 states and 582 transitions. [2020-08-22 02:52:58,715 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-22 02:52:58,715 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 582 transitions. [2020-08-22 02:52:58,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-08-22 02:52:58,717 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:52:58,718 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 02:52:58,718 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-22 02:52:58,718 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:52:58,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:52:58,719 INFO L82 PathProgramCache]: Analyzing trace with hash 851492262, now seen corresponding path program 1 times [2020-08-22 02:52:58,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:52:58,719 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1837147635] [2020-08-22 02:52:58,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:52:58,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:59,000 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 02:52:59,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:52:59,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:59,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:52:59,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:59,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:52:59,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:59,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:52:59,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:59,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:52:59,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:59,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 02:52:59,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:59,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-22 02:52:59,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:59,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 02:52:59,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:59,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:52:59,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:59,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 02:52:59,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:59,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-08-22 02:52:59,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:59,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-08-22 02:52:59,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:59,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 02:52:59,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:52:59,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:52:59,147 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1837147635] [2020-08-22 02:52:59,148 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:52:59,148 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-08-22 02:52:59,148 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804127910] [2020-08-22 02:52:59,150 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-22 02:52:59,150 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:52:59,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-22 02:52:59,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-08-22 02:52:59,151 INFO L87 Difference]: Start difference. First operand 487 states and 582 transitions. Second operand 13 states. [2020-08-22 02:53:00,273 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:53:00,509 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:53:00,728 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:53:01,654 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 02:53:02,318 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 02:53:02,641 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 02:53:02,918 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 02:53:03,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:53:03,439 INFO L93 Difference]: Finished difference Result 837 states and 1009 transitions. [2020-08-22 02:53:03,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-22 02:53:03,440 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 85 [2020-08-22 02:53:03,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:53:03,440 INFO L225 Difference]: With dead ends: 837 [2020-08-22 02:53:03,441 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 02:53:03,443 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=121, Invalid=431, Unknown=0, NotChecked=0, Total=552 [2020-08-22 02:53:03,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 02:53:03,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 02:53:03,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 02:53:03,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 02:53:03,445 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2020-08-22 02:53:03,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:53:03,445 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 02:53:03,445 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-22 02:53:03,445 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 02:53:03,445 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 02:53:03,446 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-22 02:53:03,448 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 02:53:04,702 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 223 [2020-08-22 02:53:06,058 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 223 [2020-08-22 02:53:06,714 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 223 [2020-08-22 02:53:06,985 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 210 [2020-08-22 02:53:07,107 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 210 [2020-08-22 02:53:07,717 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 22 [2020-08-22 02:53:07,877 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-22 02:53:08,035 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-08-22 02:53:08,193 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-22 02:53:08,347 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-08-22 02:53:08,948 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 29 [2020-08-22 02:53:09,104 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-08-22 02:53:09,405 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 27 [2020-08-22 02:53:09,737 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-22 02:53:09,936 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 16 [2020-08-22 02:53:10,394 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 25 [2020-08-22 02:53:10,987 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 22 [2020-08-22 02:53:11,142 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-22 02:53:11,332 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 02:53:11,489 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-22 02:53:11,650 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-22 02:53:12,291 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 25 [2020-08-22 02:53:12,451 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2020-08-22 02:53:12,638 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 22 [2020-08-22 02:53:13,241 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2020-08-22 02:53:13,415 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-22 02:53:13,901 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 19 [2020-08-22 02:53:14,210 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 27 [2020-08-22 02:53:14,673 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 18 [2020-08-22 02:53:15,133 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 11 [2020-08-22 02:53:15,287 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-22 02:53:15,616 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 31 [2020-08-22 02:53:15,773 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-22 02:53:15,936 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-22 02:53:16,407 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-22 02:53:16,563 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-08-22 02:53:16,717 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-22 02:53:17,001 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 27 [2020-08-22 02:53:17,151 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-22 02:53:17,353 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-08-22 02:53:17,525 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-08-22 02:53:17,875 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 25 [2020-08-22 02:53:18,089 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 23 [2020-08-22 02:53:18,306 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 23 [2020-08-22 02:53:18,310 INFO L268 CegarLoopResult]: For program point L479(lines 456 480) no Hoare annotation was computed. [2020-08-22 02:53:18,311 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 432 487) no Hoare annotation was computed. [2020-08-22 02:53:18,311 INFO L268 CegarLoopResult]: For program point L463(lines 463 467) no Hoare annotation was computed. [2020-08-22 02:53:18,311 INFO L268 CegarLoopResult]: For program point L463-1(lines 463 467) no Hoare annotation was computed. [2020-08-22 02:53:18,311 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-08-22 02:53:18,311 INFO L268 CegarLoopResult]: For program point L457-2(lines 457 478) no Hoare annotation was computed. [2020-08-22 02:53:18,311 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 432 487) no Hoare annotation was computed. [2020-08-22 02:53:18,312 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 432 487) no Hoare annotation was computed. [2020-08-22 02:53:18,312 INFO L268 CegarLoopResult]: For program point L514-2(lines 514 539) no Hoare annotation was computed. [2020-08-22 02:53:18,312 INFO L268 CegarLoopResult]: For program point L540(lines 513 541) no Hoare annotation was computed. [2020-08-22 02:53:18,312 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 488 547) no Hoare annotation was computed. [2020-08-22 02:53:18,312 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-08-22 02:53:18,312 INFO L268 CegarLoopResult]: For program point L533-1(line 533) no Hoare annotation was computed. [2020-08-22 02:53:18,313 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 488 547) no Hoare annotation was computed. [2020-08-22 02:53:18,313 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 488 547) no Hoare annotation was computed. [2020-08-22 02:53:18,313 INFO L268 CegarLoopResult]: For program point L520(lines 520 524) no Hoare annotation was computed. [2020-08-22 02:53:18,313 INFO L268 CegarLoopResult]: For program point L520-1(lines 520 524) no Hoare annotation was computed. [2020-08-22 02:53:18,313 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-08-22 02:53:18,313 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 903 909) the Hoare annotation is: true [2020-08-22 02:53:18,314 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 903 909) no Hoare annotation was computed. [2020-08-22 02:53:18,314 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 910 918) no Hoare annotation was computed. [2020-08-22 02:53:18,314 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 910 918) the Hoare annotation is: true [2020-08-22 02:53:18,314 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 910 918) no Hoare annotation was computed. [2020-08-22 02:53:18,314 INFO L264 CegarLoopResult]: At program point L194-1(line 194) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-22 02:53:18,315 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 188 210) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-22 02:53:18,315 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 188 210) no Hoare annotation was computed. [2020-08-22 02:53:18,315 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 188 210) no Hoare annotation was computed. [2020-08-22 02:53:18,315 INFO L264 CegarLoopResult]: At program point L200(line 200) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:53:18,315 INFO L264 CegarLoopResult]: At program point L200-1(line 200) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:53:18,315 INFO L268 CegarLoopResult]: For program point L198(lines 198 205) no Hoare annotation was computed. [2020-08-22 02:53:18,316 INFO L268 CegarLoopResult]: For program point L198-1(lines 198 205) no Hoare annotation was computed. [2020-08-22 02:53:18,316 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-22 02:53:18,316 INFO L264 CegarLoopResult]: At program point L195(line 195) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-22 02:53:18,316 INFO L264 CegarLoopResult]: At program point L194(line 194) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-22 02:53:18,316 INFO L268 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-08-22 02:53:18,316 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-22 02:53:18,317 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 144 167) no Hoare annotation was computed. [2020-08-22 02:53:18,317 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-08-22 02:53:18,317 INFO L268 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-08-22 02:53:18,317 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-22 02:53:18,317 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 144 167) no Hoare annotation was computed. [2020-08-22 02:53:18,317 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-08-22 02:53:18,317 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 144 167) no Hoare annotation was computed. [2020-08-22 02:53:18,317 INFO L268 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-08-22 02:53:18,317 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-22 02:53:18,318 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-08-22 02:53:18,318 INFO L268 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-08-22 02:53:18,318 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-22 02:53:18,318 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-08-22 02:53:18,318 INFO L268 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-08-22 02:53:18,318 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-08-22 02:53:18,318 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 307 315) no Hoare annotation was computed. [2020-08-22 02:53:18,318 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 307 315) the Hoare annotation is: true [2020-08-22 02:53:18,319 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 307 315) no Hoare annotation was computed. [2020-08-22 02:53:18,319 INFO L268 CegarLoopResult]: For program point L323-2(lines 323 331) no Hoare annotation was computed. [2020-08-22 02:53:18,319 INFO L268 CegarLoopResult]: For program point L346(line 346) no Hoare annotation was computed. [2020-08-22 02:53:18,319 INFO L268 CegarLoopResult]: For program point L346-1(line 346) no Hoare annotation was computed. [2020-08-22 02:53:18,319 INFO L268 CegarLoopResult]: For program point L335(lines 335 343) no Hoare annotation was computed. [2020-08-22 02:53:18,319 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 316 351) no Hoare annotation was computed. [2020-08-22 02:53:18,319 INFO L268 CegarLoopResult]: For program point L335-2(lines 335 343) no Hoare annotation was computed. [2020-08-22 02:53:18,319 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 316 351) no Hoare annotation was computed. [2020-08-22 02:53:18,319 INFO L268 CegarLoopResult]: For program point L323(lines 323 331) no Hoare annotation was computed. [2020-08-22 02:53:18,320 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 316 351) no Hoare annotation was computed. [2020-08-22 02:53:18,320 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 896 902) no Hoare annotation was computed. [2020-08-22 02:53:18,320 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 896 902) the Hoare annotation is: true [2020-08-22 02:53:18,320 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 386 431) no Hoare annotation was computed. [2020-08-22 02:53:18,320 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 386 431) no Hoare annotation was computed. [2020-08-22 02:53:18,320 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 386 431) no Hoare annotation was computed. [2020-08-22 02:53:18,320 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 699 744) no Hoare annotation was computed. [2020-08-22 02:53:18,320 INFO L268 CegarLoopResult]: For program point L719(lines 719 726) no Hoare annotation was computed. [2020-08-22 02:53:18,321 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 699 744) no Hoare annotation was computed. [2020-08-22 02:53:18,321 INFO L268 CegarLoopResult]: For program point L713(lines 713 733) no Hoare annotation was computed. [2020-08-22 02:53:18,321 INFO L268 CegarLoopResult]: For program point L713-1(lines 713 733) no Hoare annotation was computed. [2020-08-22 02:53:18,321 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 699 744) no Hoare annotation was computed. [2020-08-22 02:53:18,321 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 175 184) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-22 02:53:18,321 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 175 184) no Hoare annotation was computed. [2020-08-22 02:53:18,321 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 175 184) no Hoare annotation was computed. [2020-08-22 02:53:18,322 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 296 306) no Hoare annotation was computed. [2020-08-22 02:53:18,322 INFO L268 CegarLoopResult]: For program point L301(line 301) no Hoare annotation was computed. [2020-08-22 02:53:18,322 INFO L268 CegarLoopResult]: For program point L301-1(line 301) no Hoare annotation was computed. [2020-08-22 02:53:18,322 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 296 306) no Hoare annotation was computed. [2020-08-22 02:53:18,322 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 296 306) no Hoare annotation was computed. [2020-08-22 02:53:18,322 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 288 295) no Hoare annotation was computed. [2020-08-22 02:53:18,322 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 288 295) no Hoare annotation was computed. [2020-08-22 02:53:18,322 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 288 295) no Hoare annotation was computed. [2020-08-22 02:53:18,322 INFO L268 CegarLoopResult]: For program point L874(lines 874 880) no Hoare annotation was computed. [2020-08-22 02:53:18,323 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 870 883) no Hoare annotation was computed. [2020-08-22 02:53:18,323 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 870 883) the Hoare annotation is: true [2020-08-22 02:53:18,323 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 870 883) no Hoare annotation was computed. [2020-08-22 02:53:18,323 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 255 279) no Hoare annotation was computed. [2020-08-22 02:53:18,323 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 255 279) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2020-08-22 02:53:18,323 INFO L264 CegarLoopResult]: At program point L274(line 274) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-22 02:53:18,323 INFO L268 CegarLoopResult]: For program point L274-1(lines 255 279) no Hoare annotation was computed. [2020-08-22 02:53:18,324 INFO L264 CegarLoopResult]: At program point L269(line 269) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0))) [2020-08-22 02:53:18,324 INFO L264 CegarLoopResult]: At program point L265(line 265) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (and .cse0 (<= 1 processEnvironment_~tmp~2)) .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-22 02:53:18,324 INFO L268 CegarLoopResult]: For program point L263(lines 263 271) no Hoare annotation was computed. [2020-08-22 02:53:18,324 INFO L264 CegarLoopResult]: At program point L261(line 261) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1))) [2020-08-22 02:53:18,324 INFO L268 CegarLoopResult]: For program point L261-1(line 261) no Hoare annotation was computed. [2020-08-22 02:53:18,324 INFO L268 CegarLoopResult]: For program point L259(lines 259 276) no Hoare annotation was computed. [2020-08-22 02:53:18,324 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 247 253) no Hoare annotation was computed. [2020-08-22 02:53:18,325 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 247 253) the Hoare annotation is: true [2020-08-22 02:53:18,325 INFO L264 CegarLoopResult]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-22 02:53:18,325 INFO L268 CegarLoopResult]: For program point L93(lines 93 97) no Hoare annotation was computed. [2020-08-22 02:53:18,325 INFO L264 CegarLoopResult]: At program point L93-2(lines 85 98) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse2 .cse1) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-08-22 02:53:18,325 INFO L268 CegarLoopResult]: For program point L56(lines 55 102) no Hoare annotation was computed. [2020-08-22 02:53:18,326 INFO L264 CegarLoopResult]: At program point L87(line 87) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse2 .cse1) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-08-22 02:53:18,326 INFO L268 CegarLoopResult]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2020-08-22 02:53:18,326 INFO L268 CegarLoopResult]: For program point L85(lines 85 98) no Hoare annotation was computed. [2020-08-22 02:53:18,326 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse2 .cse1) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-08-22 02:53:18,326 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-08-22 02:53:18,326 INFO L268 CegarLoopResult]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2020-08-22 02:53:18,326 INFO L264 CegarLoopResult]: At program point L100(lines 55 102) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse0 (= ~pumpRunning~0 0) .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-08-22 02:53:18,327 INFO L264 CegarLoopResult]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse0 (= ~pumpRunning~0 0) .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-08-22 02:53:18,327 INFO L268 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2020-08-22 02:53:18,327 INFO L268 CegarLoopResult]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2020-08-22 02:53:18,327 INFO L268 CegarLoopResult]: For program point L57(lines 57 61) no Hoare annotation was computed. [2020-08-22 02:53:18,327 INFO L264 CegarLoopResult]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:53:18,327 INFO L268 CegarLoopResult]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2020-08-22 02:53:18,327 INFO L268 CegarLoopResult]: For program point L673(lines 673 680) no Hoare annotation was computed. [2020-08-22 02:53:18,328 INFO L268 CegarLoopResult]: For program point L667(lines 667 687) no Hoare annotation was computed. [2020-08-22 02:53:18,328 INFO L268 CegarLoopResult]: For program point L667-1(lines 667 687) no Hoare annotation was computed. [2020-08-22 02:53:18,328 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 653 698) no Hoare annotation was computed. [2020-08-22 02:53:18,328 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 653 698) no Hoare annotation was computed. [2020-08-22 02:53:18,328 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 653 698) no Hoare annotation was computed. [2020-08-22 02:53:18,328 INFO L268 CegarLoopResult]: For program point L846(lines 846 854) no Hoare annotation was computed. [2020-08-22 02:53:18,328 INFO L268 CegarLoopResult]: For program point L846-2(lines 846 854) no Hoare annotation was computed. [2020-08-22 02:53:18,328 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 838 860) no Hoare annotation was computed. [2020-08-22 02:53:18,329 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 838 860) no Hoare annotation was computed. [2020-08-22 02:53:18,329 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 838 860) no Hoare annotation was computed. [2020-08-22 02:53:18,329 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 550 652) no Hoare annotation was computed. [2020-08-22 02:53:18,329 INFO L268 CegarLoopResult]: For program point L574(lines 574 578) no Hoare annotation was computed. [2020-08-22 02:53:18,329 INFO L268 CegarLoopResult]: For program point L638(lines 638 649) no Hoare annotation was computed. [2020-08-22 02:53:18,329 INFO L268 CegarLoopResult]: For program point L601(lines 601 605) no Hoare annotation was computed. [2020-08-22 02:53:18,329 INFO L268 CegarLoopResult]: For program point L599-2(lines 599 619) no Hoare annotation was computed. [2020-08-22 02:53:18,329 INFO L268 CegarLoopResult]: For program point L620(lines 598 621) no Hoare annotation was computed. [2020-08-22 02:53:18,329 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 550 652) no Hoare annotation was computed. [2020-08-22 02:53:18,330 INFO L268 CegarLoopResult]: For program point L579(lines 579 595) no Hoare annotation was computed. [2020-08-22 02:53:18,330 INFO L268 CegarLoopResult]: For program point L639(lines 639 646) no Hoare annotation was computed. [2020-08-22 02:53:18,330 INFO L268 CegarLoopResult]: For program point L600(lines 599 619) no Hoare annotation was computed. [2020-08-22 02:53:18,330 INFO L268 CegarLoopResult]: For program point L631(line 631) no Hoare annotation was computed. [2020-08-22 02:53:18,330 INFO L268 CegarLoopResult]: For program point L631-1(line 631) no Hoare annotation was computed. [2020-08-22 02:53:18,330 INFO L268 CegarLoopResult]: For program point L596(lines 596 637) no Hoare annotation was computed. [2020-08-22 02:53:18,330 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 550 652) no Hoare annotation was computed. [2020-08-22 02:53:18,330 INFO L268 CegarLoopResult]: For program point L615(line 615) no Hoare annotation was computed. [2020-08-22 02:53:18,330 INFO L268 CegarLoopResult]: For program point L615-1(line 615) no Hoare annotation was computed. [2020-08-22 02:53:18,331 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 886 895) no Hoare annotation was computed. [2020-08-22 02:53:18,331 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 886 895) no Hoare annotation was computed. [2020-08-22 02:53:18,331 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 886 895) no Hoare annotation was computed. [2020-08-22 02:53:18,331 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 02:53:18,331 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#valid)| |#valid|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#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~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-22 02:53:18,331 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 02:53:18,332 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 280 287) no Hoare annotation was computed. [2020-08-22 02:53:18,332 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 280 287) no Hoare annotation was computed. [2020-08-22 02:53:18,332 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 280 287) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-22 02:53:18,332 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 352 370) no Hoare annotation was computed. [2020-08-22 02:53:18,332 INFO L268 CegarLoopResult]: For program point L361(lines 361 365) no Hoare annotation was computed. [2020-08-22 02:53:18,332 INFO L271 CegarLoopResult]: At program point L359(line 359) the Hoare annotation is: true [2020-08-22 02:53:18,332 INFO L268 CegarLoopResult]: For program point L361-2(lines 361 365) no Hoare annotation was computed. [2020-08-22 02:53:18,332 INFO L268 CegarLoopResult]: For program point L359-1(line 359) no Hoare annotation was computed. [2020-08-22 02:53:18,332 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 352 370) the Hoare annotation is: true [2020-08-22 02:53:18,333 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 352 370) no Hoare annotation was computed. [2020-08-22 02:53:18,333 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 861 869) the Hoare annotation is: true [2020-08-22 02:53:18,333 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 861 869) no Hoare annotation was computed. [2020-08-22 02:53:18,333 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 861 869) no Hoare annotation was computed. [2020-08-22 02:53:18,333 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 817 828) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (<= 1 ~pumpRunning~0)) .cse1 .cse2) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-08-22 02:53:18,333 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 817 828) no Hoare annotation was computed. [2020-08-22 02:53:18,333 INFO L268 CegarLoopResult]: For program point L821-1(lines 817 828) no Hoare annotation was computed. [2020-08-22 02:53:18,333 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-22 02:53:18,334 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-22 02:53:18,334 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-22 02:53:18,334 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 223 246) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-22 02:53:18,334 INFO L264 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse4)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse3 .cse4 .cse1) (or (<= ~waterLevel~0 1) .cse3 (not (<= |old(~waterLevel~0)| 1)) .cse1) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2)))) [2020-08-22 02:53:18,334 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 223 246) no Hoare annotation was computed. [2020-08-22 02:53:18,334 INFO L264 CegarLoopResult]: At program point L234(lines 234 240) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and (<= 1 ~pumpRunning~0) .cse0)) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or (and .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse3) (or (<= ~waterLevel~0 1) .cse5 (not (<= |old(~waterLevel~0)| 1)) .cse3) (or (not (<= 2 |old(~waterLevel~0)|)) .cse2 .cse3 .cse4)))) [2020-08-22 02:53:18,335 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 223 246) no Hoare annotation was computed. [2020-08-22 02:53:18,335 INFO L264 CegarLoopResult]: At program point L229(line 229) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-08-22 02:53:18,335 INFO L268 CegarLoopResult]: For program point L227(lines 226 245) no Hoare annotation was computed. [2020-08-22 02:53:18,335 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 113 142) no Hoare annotation was computed. [2020-08-22 02:53:18,335 INFO L268 CegarLoopResult]: For program point L127(lines 127 131) no Hoare annotation was computed. [2020-08-22 02:53:18,335 INFO L271 CegarLoopResult]: At program point L127-1(lines 127 131) the Hoare annotation is: true [2020-08-22 02:53:18,335 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 113 142) the Hoare annotation is: true [2020-08-22 02:53:18,336 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-22 02:53:18,336 INFO L271 CegarLoopResult]: At program point L123-2(lines 123 137) the Hoare annotation is: true [2020-08-22 02:53:18,336 INFO L271 CegarLoopResult]: At program point L119(line 119) the Hoare annotation is: true [2020-08-22 02:53:18,336 INFO L268 CegarLoopResult]: For program point L119-1(line 119) no Hoare annotation was computed. [2020-08-22 02:53:18,336 INFO L271 CegarLoopResult]: At program point L138(lines 113 142) the Hoare annotation is: true [2020-08-22 02:53:18,336 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-08-22 02:53:18,336 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 829 837) the Hoare annotation is: true [2020-08-22 02:53:18,336 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 829 837) no Hoare annotation was computed. [2020-08-22 02:53:18,336 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 829 837) no Hoare annotation was computed. [2020-08-22 02:53:18,337 INFO L268 CegarLoopResult]: For program point L767(lines 767 773) no Hoare annotation was computed. [2020-08-22 02:53:18,337 INFO L264 CegarLoopResult]: At program point L765(line 765) the Hoare annotation is: (let ((.cse0 (not (= ~waterLevel~0 1))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse0 (not (= ~pumpRunning~0 0)) .cse1))) [2020-08-22 02:53:18,337 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification3_spec__1EXIT(lines 748 780) no Hoare annotation was computed. [2020-08-22 02:53:18,337 INFO L268 CegarLoopResult]: For program point L765-1(line 765) no Hoare annotation was computed. [2020-08-22 02:53:18,337 INFO L268 CegarLoopResult]: For program point L763(lines 763 776) no Hoare annotation was computed. [2020-08-22 02:53:18,337 INFO L268 CegarLoopResult]: For program point L763-1(lines 748 780) no Hoare annotation was computed. [2020-08-22 02:53:18,337 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 748 780) the Hoare annotation is: true [2020-08-22 02:53:18,337 INFO L271 CegarLoopResult]: At program point L761(line 761) the Hoare annotation is: true [2020-08-22 02:53:18,337 INFO L268 CegarLoopResult]: For program point L761-1(line 761) no Hoare annotation was computed. [2020-08-22 02:53:18,338 INFO L268 CegarLoopResult]: For program point L757(lines 757 777) no Hoare annotation was computed. [2020-08-22 02:53:18,338 INFO L271 CegarLoopResult]: At program point L755(line 755) the Hoare annotation is: true [2020-08-22 02:53:18,338 INFO L268 CegarLoopResult]: For program point L755-1(line 755) no Hoare annotation was computed. [2020-08-22 02:53:18,338 INFO L264 CegarLoopResult]: At program point L771(line 771) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0) (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) .cse0))) [2020-08-22 02:53:18,338 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 793 804) the Hoare annotation is: (or (not (<= 1 ~pumpRunning~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 1 ~systemActive~0))) [2020-08-22 02:53:18,338 INFO L268 CegarLoopResult]: For program point L797-1(lines 793 804) no Hoare annotation was computed. [2020-08-22 02:53:18,338 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 793 804) no Hoare annotation was computed. [2020-08-22 02:53:18,338 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 168 174) no Hoare annotation was computed. [2020-08-22 02:53:18,339 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 168 174) the Hoare annotation is: true [2020-08-22 02:53:18,339 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 02:53:18,339 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-22 02:53:18,339 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 02:53:18,339 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 02:53:18,339 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 371 378) no Hoare annotation was computed. [2020-08-22 02:53:18,339 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 371 378) the Hoare annotation is: (let ((.cse1 (not (= ~pumpRunning~0 0))) (.cse0 (not (= |old(~systemActive~0)| 1))) (.cse2 (= 1 ~systemActive~0))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (<= 1 ~pumpRunning~0)) .cse2))) [2020-08-22 02:53:18,340 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 371 378) no Hoare annotation was computed. [2020-08-22 02:53:18,340 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 805 816) no Hoare annotation was computed. [2020-08-22 02:53:18,340 INFO L268 CegarLoopResult]: For program point L809-1(lines 805 816) no Hoare annotation was computed. [2020-08-22 02:53:18,340 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 805 816) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 (not (= ~pumpRunning~0 0)) .cse1))) [2020-08-22 02:53:18,340 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 782 789) no Hoare annotation was computed. [2020-08-22 02:53:18,340 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 786) no Hoare annotation was computed. [2020-08-22 02:53:18,341 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 782 789) the Hoare annotation is: true [2020-08-22 02:53:18,341 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 782 789) no Hoare annotation was computed. [2020-08-22 02:53:18,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 02:53:18 BoogieIcfgContainer [2020-08-22 02:53:18,358 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 02:53:18,360 INFO L168 Benchmark]: Toolchain (without parser) took 45422.02 ms. Allocated memory was 140.5 MB in the beginning and 692.6 MB in the end (delta: 552.1 MB). Free memory was 101.9 MB in the beginning and 396.4 MB in the end (delta: -294.5 MB). Peak memory consumption was 554.8 MB. Max. memory is 7.1 GB. [2020-08-22 02:53:18,361 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-22 02:53:18,362 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.07 ms. Allocated memory was 140.5 MB in the beginning and 202.4 MB in the end (delta: 61.9 MB). Free memory was 101.7 MB in the beginning and 172.5 MB in the end (delta: -70.8 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. [2020-08-22 02:53:18,362 INFO L168 Benchmark]: Boogie Preprocessor took 132.22 ms. Allocated memory is still 202.4 MB. Free memory was 172.5 MB in the beginning and 168.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-08-22 02:53:18,363 INFO L168 Benchmark]: RCFGBuilder took 1249.22 ms. Allocated memory was 202.4 MB in the beginning and 237.5 MB in the end (delta: 35.1 MB). Free memory was 168.4 MB in the beginning and 200.9 MB in the end (delta: -32.5 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB. [2020-08-22 02:53:18,364 INFO L168 Benchmark]: TraceAbstraction took 43353.41 ms. Allocated memory was 237.5 MB in the beginning and 692.6 MB in the end (delta: 455.1 MB). Free memory was 199.5 MB in the beginning and 396.4 MB in the end (delta: -196.9 MB). Peak memory consumption was 555.4 MB. Max. memory is 7.1 GB. [2020-08-22 02:53:18,367 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 682.07 ms. Allocated memory was 140.5 MB in the beginning and 202.4 MB in the end (delta: 61.9 MB). Free memory was 101.7 MB in the beginning and 172.5 MB in the end (delta: -70.8 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.22 ms. Allocated memory is still 202.4 MB. Free memory was 172.5 MB in the beginning and 168.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1249.22 ms. Allocated memory was 202.4 MB in the beginning and 237.5 MB in the end (delta: 35.1 MB). Free memory was 168.4 MB in the beginning and 200.9 MB in the end (delta: -32.5 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 43353.41 ms. Allocated memory was 237.5 MB in the beginning and 692.6 MB in the end (delta: 455.1 MB). Free memory was 199.5 MB in the beginning and 396.4 MB in the end (delta: -196.9 MB). Peak memory consumption was 555.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 786]: 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: 54]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || ((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 222 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 28.3s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 23.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1006 SDtfs, 1729 SDslu, 1152 SDs, 0 SdLazy, 5464 SolverSat, 1136 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 328 GetRequests, 221 SyntacticMatches, 1 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 9.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=514occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 9 MinimizatonAttempts, 321 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 902 PreInvPairs, 960 NumberOfFragments, 1331 HoareAnnotationTreeSize, 902 FomulaSimplifications, 1756440 FormulaSimplificationTreeSizeReduction, 3.6s HoareSimplificationTime, 53 FomulaSimplificationsInter, 63403 FormulaSimplificationTreeSizeReductionInter, 11.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 646 NumberOfCodeBlocks, 646 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 637 ConstructedInterpolants, 0 QuantifiedInterpolants, 192831 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...