/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 10:36:09,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 10:36:09,605 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 10:36:09,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 10:36:09,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 10:36:09,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 10:36:09,627 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 10:36:09,631 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 10:36:09,633 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 10:36:09,634 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 10:36:09,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 10:36:09,636 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 10:36:09,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 10:36:09,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 10:36:09,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 10:36:09,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 10:36:09,640 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 10:36:09,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 10:36:09,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 10:36:09,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 10:36:09,646 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 10:36:09,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 10:36:09,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 10:36:09,649 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 10:36:09,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 10:36:09,652 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 10:36:09,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 10:36:09,654 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 10:36:09,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 10:36:09,655 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 10:36:09,655 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 10:36:09,656 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 10:36:09,657 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 10:36:09,658 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 10:36:09,658 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 10:36:09,659 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 10:36:09,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 10:36:09,660 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 10:36:09,660 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 10:36:09,661 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 10:36:09,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 10:36:09,662 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 10:36:09,678 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 10:36:09,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 10:36:09,679 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 10:36:09,680 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 10:36:09,680 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 10:36:09,680 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 10:36:09,680 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 10:36:09,681 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 10:36:09,681 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 10:36:09,681 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 10:36:09,681 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 10:36:09,681 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 10:36:09,681 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 10:36:09,682 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 10:36:09,682 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 10:36:09,682 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 10:36:09,682 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 10:36:09,682 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 10:36:09,683 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 10:36:09,683 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 10:36:09,683 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 10:36:09,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:36:09,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 10:36:09,684 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 10:36:09,684 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 10:36:09,684 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 10:36:09,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:09,684 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 10:36:09,685 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 10:36:09,685 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 -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-21 10:36:09,982 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 10:36:10,001 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 10:36:10,004 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 10:36:10,006 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 10:36:10,007 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 10:36:10,008 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product40.cil.c [2020-07-21 10:36:10,081 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6a3f31d8/1591aa0282244fa1891bab300862a51f/FLAG68454a518 [2020-07-21 10:36:10,630 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 10:36:10,630 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product40.cil.c [2020-07-21 10:36:10,643 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6a3f31d8/1591aa0282244fa1891bab300862a51f/FLAG68454a518 [2020-07-21 10:36:10,885 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6a3f31d8/1591aa0282244fa1891bab300862a51f [2020-07-21 10:36:10,894 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 10:36:10,896 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 10:36:10,898 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 10:36:10,898 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 10:36:10,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 10:36:10,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:36:10" (1/1) ... [2020-07-21 10:36:10,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9d0d0ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:10, skipping insertion in model container [2020-07-21 10:36:10,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:36:10" (1/1) ... [2020-07-21 10:36:10,914 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 10:36:10,964 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 10:36:11,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:36:11,393 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 10:36:11,541 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:36:11,582 INFO L208 MainTranslator]: Completed translation [2020-07-21 10:36:11,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:11 WrapperNode [2020-07-21 10:36:11,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 10:36:11,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 10:36:11,583 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 10:36:11,583 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 10:36:11,594 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:11" (1/1) ... [2020-07-21 10:36:11,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:11" (1/1) ... [2020-07-21 10:36:11,613 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:11" (1/1) ... [2020-07-21 10:36:11,613 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:11" (1/1) ... [2020-07-21 10:36:11,642 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:11" (1/1) ... [2020-07-21 10:36:11,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:11" (1/1) ... [2020-07-21 10:36:11,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:11" (1/1) ... [2020-07-21 10:36:11,664 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 10:36:11,665 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 10:36:11,665 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 10:36:11,665 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 10:36:11,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-07-21 10:36:11,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 10:36:11,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 10:36:11,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 10:36:11,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-21 10:36:11,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-21 10:36:11,723 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 10:36:11,723 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 10:36:11,724 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 10:36:11,724 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 10:36:11,724 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 10:36:11,724 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 10:36:11,724 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 10:36:11,724 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 10:36:11,724 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 10:36:11,725 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 10:36:11,725 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 10:36:11,725 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 10:36:11,725 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 10:36:11,725 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 10:36:11,725 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 10:36:11,726 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 10:36:11,726 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 10:36:11,726 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 10:36:11,726 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-21 10:36:11,726 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-21 10:36:11,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 10:36:11,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 10:36:11,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 10:36:11,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 10:36:11,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 10:36:11,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 10:36:11,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 10:36:11,727 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 10:36:11,728 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 10:36:11,728 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 10:36:11,728 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 10:36:11,728 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 10:36:11,728 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 10:36:11,728 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 10:36:11,728 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 10:36:11,729 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 10:36:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 10:36:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 10:36:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 10:36:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 10:36:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 10:36:11,730 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 10:36:11,730 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-21 10:36:11,730 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-21 10:36:11,730 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 10:36:11,730 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 10:36:11,730 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 10:36:11,730 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 10:36:11,731 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 10:36:11,731 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 10:36:11,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 10:36:11,731 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-21 10:36:11,731 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-21 10:36:11,731 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 10:36:11,731 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 10:36:11,732 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 10:36:11,732 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 10:36:11,732 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 10:36:11,732 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 10:36:11,732 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 10:36:11,732 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 10:36:11,733 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 10:36:11,733 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 10:36:11,733 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 10:36:11,733 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 10:36:11,733 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 10:36:11,733 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 10:36:11,734 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 10:36:11,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 10:36:11,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 10:36:11,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 10:36:11,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 10:36:11,734 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 10:36:11,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 10:36:11,735 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 10:36:11,735 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 10:36:11,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 10:36:11,735 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 10:36:11,735 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 10:36:11,735 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 10:36:11,735 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 10:36:11,736 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 10:36:11,736 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 10:36:11,736 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 10:36:11,736 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 10:36:11,736 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 10:36:11,736 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 10:36:11,737 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 10:36:11,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 10:36:11,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 10:36:11,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 10:36:12,695 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 10:36:12,695 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 10:36:12,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:36:12 BoogieIcfgContainer [2020-07-21 10:36:12,700 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 10:36:12,701 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 10:36:12,702 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 10:36:12,705 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 10:36:12,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:36:10" (1/3) ... [2020-07-21 10:36:12,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d72f381 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:36:12, skipping insertion in model container [2020-07-21 10:36:12,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:11" (2/3) ... [2020-07-21 10:36:12,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d72f381 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:36:12, skipping insertion in model container [2020-07-21 10:36:12,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:36:12" (3/3) ... [2020-07-21 10:36:12,708 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product40.cil.c [2020-07-21 10:36:12,719 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 10:36:12,726 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 10:36:12,740 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 10:36:12,765 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 10:36:12,765 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 10:36:12,765 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 10:36:12,765 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 10:36:12,766 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 10:36:12,766 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 10:36:12,766 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 10:36:12,766 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 10:36:12,790 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2020-07-21 10:36:12,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-21 10:36:12,800 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:12,801 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:36:12,802 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:12,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:12,807 INFO L82 PathProgramCache]: Analyzing trace with hash 1292486909, now seen corresponding path program 1 times [2020-07-21 10:36:12,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:12,814 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2073388510] [2020-07-21 10:36:12,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:13,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:13,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 10:36:13,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:13,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:36:13,107 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:13,108 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2073388510] [2020-07-21 10:36:13,109 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:13,110 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 10:36:13,111 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918822518] [2020-07-21 10:36:13,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 10:36:13,117 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:13,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 10:36:13,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:36:13,139 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2020-07-21 10:36:13,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:13,189 INFO L93 Difference]: Finished difference Result 272 states and 339 transitions. [2020-07-21 10:36:13,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 10:36:13,191 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-21 10:36:13,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:13,207 INFO L225 Difference]: With dead ends: 272 [2020-07-21 10:36:13,207 INFO L226 Difference]: Without dead ends: 138 [2020-07-21 10:36:13,213 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:36:13,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-07-21 10:36:13,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2020-07-21 10:36:13,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-07-21 10:36:13,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 163 transitions. [2020-07-21 10:36:13,272 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 163 transitions. Word has length 51 [2020-07-21 10:36:13,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:13,272 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 163 transitions. [2020-07-21 10:36:13,273 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 10:36:13,273 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 163 transitions. [2020-07-21 10:36:13,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-21 10:36:13,277 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:13,277 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] [2020-07-21 10:36:13,491 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:13,491 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:13,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:13,492 INFO L82 PathProgramCache]: Analyzing trace with hash -11798802, now seen corresponding path program 1 times [2020-07-21 10:36:13,493 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:13,494 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1903545149] [2020-07-21 10:36:13,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:13,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 10:36:13,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:13,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:36:13,760 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:13,760 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1903545149] [2020-07-21 10:36:13,761 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:13,761 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:36:13,761 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364967226] [2020-07-21 10:36:13,766 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:36:13,766 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:13,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:36:13,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:36:13,767 INFO L87 Difference]: Start difference. First operand 138 states and 163 transitions. Second operand 3 states. [2020-07-21 10:36:13,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:13,809 INFO L93 Difference]: Finished difference Result 211 states and 249 transitions. [2020-07-21 10:36:13,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:36:13,812 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-21 10:36:13,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:13,817 INFO L225 Difference]: With dead ends: 211 [2020-07-21 10:36:13,817 INFO L226 Difference]: Without dead ends: 129 [2020-07-21 10:36:13,820 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:36:13,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-07-21 10:36:13,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2020-07-21 10:36:13,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-07-21 10:36:13,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 151 transitions. [2020-07-21 10:36:13,848 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 151 transitions. Word has length 52 [2020-07-21 10:36:13,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:13,852 INFO L479 AbstractCegarLoop]: Abstraction has 129 states and 151 transitions. [2020-07-21 10:36:13,852 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:36:13,852 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 151 transitions. [2020-07-21 10:36:13,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-21 10:36:13,859 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:13,859 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] [2020-07-21 10:36:14,064 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:14,065 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:14,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:14,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1490469892, now seen corresponding path program 1 times [2020-07-21 10:36:14,065 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:14,066 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1645486762] [2020-07-21 10:36:14,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:14,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:14,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 697 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 10:36:14,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:14,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:36:14,290 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:14,290 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1645486762] [2020-07-21 10:36:14,290 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:14,290 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:36:14,291 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949862733] [2020-07-21 10:36:14,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:36:14,294 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:14,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:36:14,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:36:14,295 INFO L87 Difference]: Start difference. First operand 129 states and 151 transitions. Second operand 3 states. [2020-07-21 10:36:14,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:14,337 INFO L93 Difference]: Finished difference Result 327 states and 396 transitions. [2020-07-21 10:36:14,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:36:14,338 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2020-07-21 10:36:14,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:14,341 INFO L225 Difference]: With dead ends: 327 [2020-07-21 10:36:14,342 INFO L226 Difference]: Without dead ends: 226 [2020-07-21 10:36:14,343 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:36:14,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-07-21 10:36:14,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 220. [2020-07-21 10:36:14,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-07-21 10:36:14,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 265 transitions. [2020-07-21 10:36:14,367 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 265 transitions. Word has length 57 [2020-07-21 10:36:14,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:14,368 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 265 transitions. [2020-07-21 10:36:14,368 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:36:14,368 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 265 transitions. [2020-07-21 10:36:14,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-21 10:36:14,370 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:14,371 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] [2020-07-21 10:36:14,585 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:14,586 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:14,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:14,586 INFO L82 PathProgramCache]: Analyzing trace with hash -512554003, now seen corresponding path program 1 times [2020-07-21 10:36:14,587 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:14,587 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1675796] [2020-07-21 10:36:14,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:14,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 10:36:14,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:14,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:36:14,784 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:14,784 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1675796] [2020-07-21 10:36:14,785 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:14,785 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:36:14,785 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790793163] [2020-07-21 10:36:14,786 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:36:14,786 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:14,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:36:14,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:36:14,787 INFO L87 Difference]: Start difference. First operand 220 states and 265 transitions. Second operand 3 states. [2020-07-21 10:36:14,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:14,828 INFO L93 Difference]: Finished difference Result 412 states and 510 transitions. [2020-07-21 10:36:14,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:36:14,829 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2020-07-21 10:36:14,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:14,833 INFO L225 Difference]: With dead ends: 412 [2020-07-21 10:36:14,851 INFO L226 Difference]: Without dead ends: 409 [2020-07-21 10:36:14,853 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:36:14,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2020-07-21 10:36:14,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 409. [2020-07-21 10:36:14,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2020-07-21 10:36:14,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 506 transitions. [2020-07-21 10:36:14,887 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 506 transitions. Word has length 62 [2020-07-21 10:36:14,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:14,888 INFO L479 AbstractCegarLoop]: Abstraction has 409 states and 506 transitions. [2020-07-21 10:36:14,888 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:36:14,888 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 506 transitions. [2020-07-21 10:36:14,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-21 10:36:14,892 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:14,892 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:36:15,093 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:15,094 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:15,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:15,095 INFO L82 PathProgramCache]: Analyzing trace with hash -1331116109, now seen corresponding path program 1 times [2020-07-21 10:36:15,095 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:15,096 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [195353743] [2020-07-21 10:36:15,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:15,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 798 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 10:36:15,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:15,322 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-21 10:36:15,322 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:15,323 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [195353743] [2020-07-21 10:36:15,323 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:15,323 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:36:15,324 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587567883] [2020-07-21 10:36:15,324 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:36:15,325 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:15,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:36:15,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:36:15,325 INFO L87 Difference]: Start difference. First operand 409 states and 506 transitions. Second operand 6 states. [2020-07-21 10:36:15,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:15,573 INFO L93 Difference]: Finished difference Result 958 states and 1246 transitions. [2020-07-21 10:36:15,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 10:36:15,574 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2020-07-21 10:36:15,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:15,578 INFO L225 Difference]: With dead ends: 958 [2020-07-21 10:36:15,579 INFO L226 Difference]: Without dead ends: 577 [2020-07-21 10:36:15,580 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:36:15,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2020-07-21 10:36:15,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 539. [2020-07-21 10:36:15,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2020-07-21 10:36:15,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 672 transitions. [2020-07-21 10:36:15,615 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 672 transitions. Word has length 93 [2020-07-21 10:36:15,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:15,616 INFO L479 AbstractCegarLoop]: Abstraction has 539 states and 672 transitions. [2020-07-21 10:36:15,616 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:36:15,616 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 672 transitions. [2020-07-21 10:36:15,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-07-21 10:36:15,619 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:15,619 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:36:15,833 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:15,834 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:15,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:15,835 INFO L82 PathProgramCache]: Analyzing trace with hash -726973202, now seen corresponding path program 1 times [2020-07-21 10:36:15,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:15,836 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [41776403] [2020-07-21 10:36:15,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:16,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:16,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 870 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 10:36:16,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:16,053 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-21 10:36:16,053 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:16,053 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [41776403] [2020-07-21 10:36:16,054 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:16,054 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:36:16,054 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223808993] [2020-07-21 10:36:16,055 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:36:16,055 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:16,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:36:16,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:36:16,056 INFO L87 Difference]: Start difference. First operand 539 states and 672 transitions. Second operand 3 states. [2020-07-21 10:36:16,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:16,138 INFO L93 Difference]: Finished difference Result 851 states and 1064 transitions. [2020-07-21 10:36:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:36:16,139 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2020-07-21 10:36:16,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:16,141 INFO L225 Difference]: With dead ends: 851 [2020-07-21 10:36:16,141 INFO L226 Difference]: Without dead ends: 340 [2020-07-21 10:36:16,143 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:36:16,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2020-07-21 10:36:16,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 332. [2020-07-21 10:36:16,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2020-07-21 10:36:16,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 401 transitions. [2020-07-21 10:36:16,160 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 401 transitions. Word has length 125 [2020-07-21 10:36:16,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:16,160 INFO L479 AbstractCegarLoop]: Abstraction has 332 states and 401 transitions. [2020-07-21 10:36:16,160 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:36:16,161 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 401 transitions. [2020-07-21 10:36:16,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-07-21 10:36:16,163 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:16,163 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:36:16,377 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:16,378 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:16,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:16,379 INFO L82 PathProgramCache]: Analyzing trace with hash -851312785, now seen corresponding path program 1 times [2020-07-21 10:36:16,379 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:16,380 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1891321713] [2020-07-21 10:36:16,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:16,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 907 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 10:36:16,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:16,645 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 10:36:16,646 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:16,646 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1891321713] [2020-07-21 10:36:16,647 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:16,647 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:36:16,647 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214878226] [2020-07-21 10:36:16,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:36:16,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:16,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:36:16,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:36:16,649 INFO L87 Difference]: Start difference. First operand 332 states and 401 transitions. Second operand 6 states. [2020-07-21 10:36:17,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:17,606 INFO L93 Difference]: Finished difference Result 1212 states and 1656 transitions. [2020-07-21 10:36:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 10:36:17,607 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 144 [2020-07-21 10:36:17,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:17,613 INFO L225 Difference]: With dead ends: 1212 [2020-07-21 10:36:17,613 INFO L226 Difference]: Without dead ends: 908 [2020-07-21 10:36:17,615 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-21 10:36:17,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 908 states. [2020-07-21 10:36:17,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 908 to 848. [2020-07-21 10:36:17,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 848 states. [2020-07-21 10:36:17,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 848 states and 1092 transitions. [2020-07-21 10:36:17,669 INFO L78 Accepts]: Start accepts. Automaton has 848 states and 1092 transitions. Word has length 144 [2020-07-21 10:36:17,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:17,670 INFO L479 AbstractCegarLoop]: Abstraction has 848 states and 1092 transitions. [2020-07-21 10:36:17,670 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:36:17,670 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1092 transitions. [2020-07-21 10:36:17,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-21 10:36:17,674 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:17,675 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:36:17,890 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:17,891 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:17,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:17,892 INFO L82 PathProgramCache]: Analyzing trace with hash -943014126, now seen corresponding path program 1 times [2020-07-21 10:36:17,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:17,893 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [441774804] [2020-07-21 10:36:17,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:18,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 923 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-21 10:36:18,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:18,208 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 10:36:18,209 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:18,209 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [441774804] [2020-07-21 10:36:18,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:18,209 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-21 10:36:18,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544215402] [2020-07-21 10:36:18,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 10:36:18,210 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:18,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 10:36:18,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:36:18,211 INFO L87 Difference]: Start difference. First operand 848 states and 1092 transitions. Second operand 8 states. [2020-07-21 10:36:19,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:19,738 INFO L93 Difference]: Finished difference Result 2507 states and 3494 transitions. [2020-07-21 10:36:19,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-21 10:36:19,738 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 152 [2020-07-21 10:36:19,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:19,750 INFO L225 Difference]: With dead ends: 2507 [2020-07-21 10:36:19,751 INFO L226 Difference]: Without dead ends: 1687 [2020-07-21 10:36:19,755 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-07-21 10:36:19,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1687 states. [2020-07-21 10:36:19,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1687 to 1399. [2020-07-21 10:36:19,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1399 states. [2020-07-21 10:36:19,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1399 states to 1399 states and 1860 transitions. [2020-07-21 10:36:19,860 INFO L78 Accepts]: Start accepts. Automaton has 1399 states and 1860 transitions. Word has length 152 [2020-07-21 10:36:19,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:19,861 INFO L479 AbstractCegarLoop]: Abstraction has 1399 states and 1860 transitions. [2020-07-21 10:36:19,861 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 10:36:19,861 INFO L276 IsEmpty]: Start isEmpty. Operand 1399 states and 1860 transitions. [2020-07-21 10:36:19,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-07-21 10:36:19,866 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:19,866 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:36:20,080 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:20,081 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:20,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:20,081 INFO L82 PathProgramCache]: Analyzing trace with hash -41825328, now seen corresponding path program 1 times [2020-07-21 10:36:20,081 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:20,082 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1818590183] [2020-07-21 10:36:20,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:20,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:20,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 907 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-21 10:36:20,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:20,341 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-07-21 10:36:20,342 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 10:36:20,608 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-07-21 10:36:20,609 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1818590183] [2020-07-21 10:36:20,609 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-21 10:36:20,609 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2020-07-21 10:36:20,609 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592847886] [2020-07-21 10:36:20,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:36:20,610 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:20,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:36:20,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 10:36:20,611 INFO L87 Difference]: Start difference. First operand 1399 states and 1860 transitions. Second operand 6 states. [2020-07-21 10:36:20,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:20,945 INFO L93 Difference]: Finished difference Result 3956 states and 5481 transitions. [2020-07-21 10:36:20,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 10:36:20,946 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 144 [2020-07-21 10:36:20,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:20,972 INFO L225 Difference]: With dead ends: 3956 [2020-07-21 10:36:20,972 INFO L226 Difference]: Without dead ends: 2585 [2020-07-21 10:36:20,979 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 283 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-07-21 10:36:20,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2585 states. [2020-07-21 10:36:21,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2585 to 2531. [2020-07-21 10:36:21,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2531 states. [2020-07-21 10:36:21,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2531 states to 2531 states and 3348 transitions. [2020-07-21 10:36:21,156 INFO L78 Accepts]: Start accepts. Automaton has 2531 states and 3348 transitions. Word has length 144 [2020-07-21 10:36:21,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:21,158 INFO L479 AbstractCegarLoop]: Abstraction has 2531 states and 3348 transitions. [2020-07-21 10:36:21,158 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:36:21,158 INFO L276 IsEmpty]: Start isEmpty. Operand 2531 states and 3348 transitions. [2020-07-21 10:36:21,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-07-21 10:36:21,165 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:21,165 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:36:21,379 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:21,380 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:21,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:21,381 INFO L82 PathProgramCache]: Analyzing trace with hash -2020228628, now seen corresponding path program 1 times [2020-07-21 10:36:21,381 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:21,382 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1381014072] [2020-07-21 10:36:21,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:21,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:21,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 917 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-21 10:36:21,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:21,661 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 10:36:21,661 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:21,661 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1381014072] [2020-07-21 10:36:21,661 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:21,662 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-21 10:36:21,662 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063555675] [2020-07-21 10:36:21,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 10:36:21,663 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:21,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 10:36:21,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:36:21,663 INFO L87 Difference]: Start difference. First operand 2531 states and 3348 transitions. Second operand 8 states. [2020-07-21 10:36:22,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:22,108 INFO L93 Difference]: Finished difference Result 4834 states and 6450 transitions. [2020-07-21 10:36:22,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 10:36:22,109 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 148 [2020-07-21 10:36:22,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:22,125 INFO L225 Difference]: With dead ends: 4834 [2020-07-21 10:36:22,125 INFO L226 Difference]: Without dead ends: 2331 [2020-07-21 10:36:22,138 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 140 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:36:22,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2331 states. [2020-07-21 10:36:22,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2331 to 2331. [2020-07-21 10:36:22,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2331 states. [2020-07-21 10:36:22,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2331 states to 2331 states and 2996 transitions. [2020-07-21 10:36:22,331 INFO L78 Accepts]: Start accepts. Automaton has 2331 states and 2996 transitions. Word has length 148 [2020-07-21 10:36:22,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:22,331 INFO L479 AbstractCegarLoop]: Abstraction has 2331 states and 2996 transitions. [2020-07-21 10:36:22,332 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 10:36:22,332 INFO L276 IsEmpty]: Start isEmpty. Operand 2331 states and 2996 transitions. [2020-07-21 10:36:22,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-07-21 10:36:22,341 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:22,342 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:36:22,556 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:22,557 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:22,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:22,558 INFO L82 PathProgramCache]: Analyzing trace with hash 226188011, now seen corresponding path program 1 times [2020-07-21 10:36:22,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:22,559 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [562835760] [2020-07-21 10:36:22,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:22,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:22,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 938 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 10:36:22,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:22,863 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 31 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-07-21 10:36:22,863 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 10:36:23,151 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-07-21 10:36:23,153 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [562835760] [2020-07-21 10:36:23,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 10:36:23,153 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-21 10:36:23,154 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264833071] [2020-07-21 10:36:23,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:36:23,156 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:23,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:36:23,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:36:23,159 INFO L87 Difference]: Start difference. First operand 2331 states and 2996 transitions. Second operand 6 states. [2020-07-21 10:36:23,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:23,961 INFO L93 Difference]: Finished difference Result 4487 states and 5878 transitions. [2020-07-21 10:36:23,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 10:36:23,962 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 156 [2020-07-21 10:36:23,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:23,964 INFO L225 Difference]: With dead ends: 4487 [2020-07-21 10:36:23,964 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 10:36:23,978 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 307 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-21 10:36:23,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 10:36:23,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 10:36:23,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 10:36:23,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 10:36:23,980 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 156 [2020-07-21 10:36:23,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:23,980 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 10:36:23,980 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:36:23,980 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 10:36:23,980 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 10:36:24,194 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:24,198 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 10:36:25,716 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 69 [2020-07-21 10:36:27,179 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 26 [2020-07-21 10:36:27,523 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 24 [2020-07-21 10:36:27,875 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 25 [2020-07-21 10:36:29,149 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 123 DAG size of output: 53 [2020-07-21 10:36:29,389 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 28 [2020-07-21 10:36:29,670 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 24 [2020-07-21 10:36:29,900 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 21 [2020-07-21 10:36:30,151 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2020-07-21 10:36:30,913 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 42 [2020-07-21 10:36:31,407 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 30 [2020-07-21 10:36:31,780 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 40 [2020-07-21 10:36:31,933 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 21 [2020-07-21 10:36:32,172 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 24 [2020-07-21 10:36:32,572 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 32 [2020-07-21 10:36:32,709 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 25 [2020-07-21 10:36:32,935 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2020-07-21 10:36:33,106 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 21 [2020-07-21 10:36:33,216 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 24 [2020-07-21 10:36:33,699 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 39 [2020-07-21 10:36:34,668 WARN L193 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 47 [2020-07-21 10:36:34,918 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 36 [2020-07-21 10:36:35,182 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 29 [2020-07-21 10:36:35,445 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 25 [2020-07-21 10:36:35,666 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 28 [2020-07-21 10:36:35,886 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 28 [2020-07-21 10:36:36,107 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2020-07-21 10:36:36,236 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 25 [2020-07-21 10:36:36,467 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 18 [2020-07-21 10:36:36,791 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 30 [2020-07-21 10:36:36,996 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 21 [2020-07-21 10:36:37,137 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 34 [2020-07-21 10:36:37,141 INFO L268 CegarLoopResult]: For program point L542(lines 542 546) no Hoare annotation was computed. [2020-07-21 10:36:37,141 INFO L268 CegarLoopResult]: For program point L542-1(lines 542 546) no Hoare annotation was computed. [2020-07-21 10:36:37,141 INFO L268 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-07-21 10:36:37,141 INFO L268 CegarLoopResult]: For program point L536-2(lines 536 557) no Hoare annotation was computed. [2020-07-21 10:36:37,141 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 511 566) no Hoare annotation was computed. [2020-07-21 10:36:37,141 INFO L268 CegarLoopResult]: For program point L558(lines 535 559) no Hoare annotation was computed. [2020-07-21 10:36:37,142 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 511 566) no Hoare annotation was computed. [2020-07-21 10:36:37,142 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 511 566) no Hoare annotation was computed. [2020-07-21 10:36:37,142 INFO L268 CegarLoopResult]: For program point L599(lines 599 603) no Hoare annotation was computed. [2020-07-21 10:36:37,142 INFO L268 CegarLoopResult]: For program point L599-1(lines 599 603) no Hoare annotation was computed. [2020-07-21 10:36:37,142 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 567 626) no Hoare annotation was computed. [2020-07-21 10:36:37,142 INFO L268 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-07-21 10:36:37,142 INFO L268 CegarLoopResult]: For program point L593-2(lines 593 618) no Hoare annotation was computed. [2020-07-21 10:36:37,143 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 567 626) no Hoare annotation was computed. [2020-07-21 10:36:37,143 INFO L268 CegarLoopResult]: For program point L619(lines 592 620) no Hoare annotation was computed. [2020-07-21 10:36:37,143 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 567 626) no Hoare annotation was computed. [2020-07-21 10:36:37,143 INFO L268 CegarLoopResult]: For program point L612(line 612) no Hoare annotation was computed. [2020-07-21 10:36:37,143 INFO L268 CegarLoopResult]: For program point L612-1(line 612) no Hoare annotation was computed. [2020-07-21 10:36:37,144 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 952 958) the Hoare annotation is: true [2020-07-21 10:36:37,144 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 952 958) no Hoare annotation was computed. [2020-07-21 10:36:37,144 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 959 967) no Hoare annotation was computed. [2020-07-21 10:36:37,144 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 959 967) the Hoare annotation is: true [2020-07-21 10:36:37,145 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 959 967) no Hoare annotation was computed. [2020-07-21 10:36:37,145 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 910 932) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:36:37,145 INFO L264 CegarLoopResult]: At program point L922(line 922) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:36:37,145 INFO L264 CegarLoopResult]: At program point L922-1(line 922) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:36:37,146 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 910 932) no Hoare annotation was computed. [2020-07-21 10:36:37,146 INFO L268 CegarLoopResult]: For program point L920(lines 920 927) no Hoare annotation was computed. [2020-07-21 10:36:37,146 INFO L268 CegarLoopResult]: For program point L920-1(lines 920 927) no Hoare annotation was computed. [2020-07-21 10:36:37,146 INFO L268 CegarLoopResult]: For program point L918(line 918) no Hoare annotation was computed. [2020-07-21 10:36:37,146 INFO L264 CegarLoopResult]: At program point L917(line 917) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:36:37,146 INFO L264 CegarLoopResult]: At program point L916(line 916) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:36:37,147 INFO L264 CegarLoopResult]: At program point L916-1(line 916) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:36:37,147 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 910 932) no Hoare annotation was computed. [2020-07-21 10:36:37,147 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 865 888) no Hoare annotation was computed. [2020-07-21 10:36:37,147 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 865 888) no Hoare annotation was computed. [2020-07-21 10:36:37,147 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 865 888) no Hoare annotation was computed. [2020-07-21 10:36:37,147 INFO L268 CegarLoopResult]: For program point L883(line 883) no Hoare annotation was computed. [2020-07-21 10:36:37,147 INFO L268 CegarLoopResult]: For program point L882(line 882) no Hoare annotation was computed. [2020-07-21 10:36:37,148 INFO L268 CegarLoopResult]: For program point L881(line 881) no Hoare annotation was computed. [2020-07-21 10:36:37,148 INFO L268 CegarLoopResult]: For program point L880(line 880) no Hoare annotation was computed. [2020-07-21 10:36:37,148 INFO L268 CegarLoopResult]: For program point L879(line 879) no Hoare annotation was computed. [2020-07-21 10:36:37,148 INFO L268 CegarLoopResult]: For program point L878(line 878) no Hoare annotation was computed. [2020-07-21 10:36:37,148 INFO L268 CegarLoopResult]: For program point L877(line 877) no Hoare annotation was computed. [2020-07-21 10:36:37,148 INFO L268 CegarLoopResult]: For program point L876(line 876) no Hoare annotation was computed. [2020-07-21 10:36:37,148 INFO L268 CegarLoopResult]: For program point L875(line 875) no Hoare annotation was computed. [2020-07-21 10:36:37,148 INFO L268 CegarLoopResult]: For program point L874(line 874) no Hoare annotation was computed. [2020-07-21 10:36:37,148 INFO L268 CegarLoopResult]: For program point L873(line 873) no Hoare annotation was computed. [2020-07-21 10:36:37,149 INFO L268 CegarLoopResult]: For program point L872(line 872) no Hoare annotation was computed. [2020-07-21 10:36:37,149 INFO L268 CegarLoopResult]: For program point L871(line 871) no Hoare annotation was computed. [2020-07-21 10:36:37,149 INFO L268 CegarLoopResult]: For program point L870(line 870) no Hoare annotation was computed. [2020-07-21 10:36:37,149 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 435 449) no Hoare annotation was computed. [2020-07-21 10:36:37,149 INFO L264 CegarLoopResult]: At program point L441(line 441) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and (<= 1 ~systemActive~0) (<= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (<= 1 |old(~systemActive~0)|))) (.cse4 (not (= 0 ~methAndRunningLastTime~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5) (or .cse1 .cse2 .cse6 .cse3) (or .cse4 .cse5 .cse6))) [2020-07-21 10:36:37,149 INFO L268 CegarLoopResult]: For program point L439(lines 439 445) no Hoare annotation was computed. [2020-07-21 10:36:37,150 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 435 449) the Hoare annotation is: (let ((.cse4 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (= 0 ~pumpRunning~0)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and (<= 1 ~systemActive~0) (<= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= 1 |old(~systemActive~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7) (or .cse4 .cse0 .cse5 .cse7) (or .cse1 .cse2 .cse6 .cse3))) [2020-07-21 10:36:37,150 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 435 449) no Hoare annotation was computed. [2020-07-21 10:36:37,150 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 371 379) no Hoare annotation was computed. [2020-07-21 10:36:37,150 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 371 379) the Hoare annotation is: true [2020-07-21 10:36:37,150 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 371 379) no Hoare annotation was computed. [2020-07-21 10:36:37,150 INFO L268 CegarLoopResult]: For program point L387-2(lines 387 395) no Hoare annotation was computed. [2020-07-21 10:36:37,150 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-21 10:36:37,151 INFO L268 CegarLoopResult]: For program point L410-1(line 410) no Hoare annotation was computed. [2020-07-21 10:36:37,151 INFO L268 CegarLoopResult]: For program point L399(lines 399 407) no Hoare annotation was computed. [2020-07-21 10:36:37,151 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 380 415) no Hoare annotation was computed. [2020-07-21 10:36:37,151 INFO L268 CegarLoopResult]: For program point L399-2(lines 399 407) no Hoare annotation was computed. [2020-07-21 10:36:37,151 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 380 415) no Hoare annotation was computed. [2020-07-21 10:36:37,151 INFO L268 CegarLoopResult]: For program point L387(lines 387 395) no Hoare annotation was computed. [2020-07-21 10:36:37,151 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 380 415) no Hoare annotation was computed. [2020-07-21 10:36:37,151 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 945 951) no Hoare annotation was computed. [2020-07-21 10:36:37,152 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 945 951) the Hoare annotation is: true [2020-07-21 10:36:37,152 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 465 510) no Hoare annotation was computed. [2020-07-21 10:36:37,152 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 465 510) no Hoare annotation was computed. [2020-07-21 10:36:37,152 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 465 510) no Hoare annotation was computed. [2020-07-21 10:36:37,152 INFO L268 CegarLoopResult]: For program point L798(lines 798 805) no Hoare annotation was computed. [2020-07-21 10:36:37,152 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 778 823) no Hoare annotation was computed. [2020-07-21 10:36:37,152 INFO L268 CegarLoopResult]: For program point L792(lines 792 812) no Hoare annotation was computed. [2020-07-21 10:36:37,152 INFO L268 CegarLoopResult]: For program point L792-1(lines 792 812) no Hoare annotation was computed. [2020-07-21 10:36:37,153 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 778 823) no Hoare annotation was computed. [2020-07-21 10:36:37,153 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 778 823) no Hoare annotation was computed. [2020-07-21 10:36:37,156 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 896 906) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:36:37,156 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 896 906) no Hoare annotation was computed. [2020-07-21 10:36:37,156 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 896 906) no Hoare annotation was computed. [2020-07-21 10:36:37,156 INFO L264 CegarLoopResult]: At program point L901(line 901) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:36:37,156 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 360 370) the Hoare annotation is: true [2020-07-21 10:36:37,157 INFO L271 CegarLoopResult]: At program point L365(line 365) the Hoare annotation is: true [2020-07-21 10:36:37,157 INFO L268 CegarLoopResult]: For program point L365-1(line 365) no Hoare annotation was computed. [2020-07-21 10:36:37,157 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 360 370) no Hoare annotation was computed. [2020-07-21 10:36:37,157 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 360 370) no Hoare annotation was computed. [2020-07-21 10:36:37,157 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 352 359) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-21 10:36:37,157 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 352 359) no Hoare annotation was computed. [2020-07-21 10:36:37,157 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 352 359) no Hoare annotation was computed. [2020-07-21 10:36:37,157 INFO L268 CegarLoopResult]: For program point L171(lines 171 177) no Hoare annotation was computed. [2020-07-21 10:36:37,158 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 167 180) no Hoare annotation was computed. [2020-07-21 10:36:37,158 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 167 180) the Hoare annotation is: true [2020-07-21 10:36:37,158 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 167 180) no Hoare annotation was computed. [2020-07-21 10:36:37,158 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 319 343) no Hoare annotation was computed. [2020-07-21 10:36:37,158 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 319 343) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse5 .cse6) (or .cse0 .cse2 .cse7 .cse3) (or .cse4 .cse0 .cse5 .cse7 .cse6))) [2020-07-21 10:36:37,158 INFO L264 CegarLoopResult]: At program point L338(line 338) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse5 .cse6) (or .cse0 .cse4 .cse1) (or .cse3 .cse0 .cse5 .cse2 .cse6))) [2020-07-21 10:36:37,159 INFO L268 CegarLoopResult]: For program point L338-1(lines 319 343) no Hoare annotation was computed. [2020-07-21 10:36:37,159 INFO L264 CegarLoopResult]: At program point L333(line 333) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 .cse4) (or .cse1 .cse5 .cse4 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse1 .cse2 .cse5))) [2020-07-21 10:36:37,159 INFO L264 CegarLoopResult]: At program point L329(line 329) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (<= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 .cse4) (or .cse1 .cse2 .cse5 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~3) .cse6)) (or .cse1 .cse5 .cse4 .cse6))) [2020-07-21 10:36:37,159 INFO L268 CegarLoopResult]: For program point L327(lines 327 335) no Hoare annotation was computed. [2020-07-21 10:36:37,159 INFO L264 CegarLoopResult]: At program point L325(line 325) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (<= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse5) (or .cse0 .cse1 .cse3 .cse6) (or .cse1 .cse4 .cse6 .cse5))) [2020-07-21 10:36:37,159 INFO L268 CegarLoopResult]: For program point L325-1(line 325) no Hoare annotation was computed. [2020-07-21 10:36:37,160 INFO L268 CegarLoopResult]: For program point L323(lines 323 340) no Hoare annotation was computed. [2020-07-21 10:36:37,160 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 285 291) no Hoare annotation was computed. [2020-07-21 10:36:37,160 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 285 291) the Hoare annotation is: true [2020-07-21 10:36:37,160 INFO L264 CegarLoopResult]: At program point testENTRY(lines 186 253) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:36:37,160 INFO L268 CegarLoopResult]: For program point testFINAL(lines 186 253) no Hoare annotation was computed. [2020-07-21 10:36:37,160 INFO L264 CegarLoopResult]: At program point L246(lines 195 247) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:36:37,161 INFO L264 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: (let ((.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (and .cse5 .cse0 .cse6 .cse1) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 10:36:37,161 INFO L268 CegarLoopResult]: For program point L234(lines 234 240) no Hoare annotation was computed. [2020-07-21 10:36:37,162 INFO L264 CegarLoopResult]: At program point L234-1(lines 226 241) the Hoare annotation is: (let ((.cse7 (= 0 ~methAndRunningLastTime~0)) (.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= 0 ~systemActive~0)) (.cse6 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse5 .cse6 .cse1) (and .cse4 .cse7 .cse6 .cse1 .cse2) (and .cse7 .cse0 .cse1 .cse2 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (and .cse0 .cse5 .cse6 .cse1) (and .cse4 .cse1 .cse2 .cse3) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 10:36:37,162 INFO L268 CegarLoopResult]: For program point L197(lines 196 245) no Hoare annotation was computed. [2020-07-21 10:36:37,162 INFO L264 CegarLoopResult]: At program point L228(line 228) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (and .cse3 .cse1 .cse2) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse4 .cse5 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (and .cse4 .cse3 .cse5 .cse1) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 10:36:37,163 INFO L268 CegarLoopResult]: For program point L226(lines 226 241) no Hoare annotation was computed. [2020-07-21 10:36:37,163 INFO L264 CegarLoopResult]: At program point L218(line 218) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (<= test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse3 .cse4 .cse6) (and .cse5 .cse0 .cse4 .cse6 .cse7) (and .cse1 .cse4 .cse6 .cse7) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse0 .cse3 .cse4 .cse6) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 10:36:37,163 INFO L268 CegarLoopResult]: For program point L216(lines 216 222) no Hoare annotation was computed. [2020-07-21 10:36:37,163 INFO L268 CegarLoopResult]: For program point L216-1(lines 216 222) no Hoare annotation was computed. [2020-07-21 10:36:37,163 INFO L264 CegarLoopResult]: At program point L243(lines 196 245) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (<= test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse3 .cse4 .cse6) (and .cse5 .cse0 .cse4 .cse6 .cse7) (and .cse1 .cse4 .cse6 .cse7) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse0 .cse3 .cse4 .cse6) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 10:36:37,164 INFO L264 CegarLoopResult]: At program point L208(line 208) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (<= test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse3 .cse4 .cse6) (and .cse5 .cse0 .cse4 .cse6 .cse7) (and .cse1 .cse4 .cse6 .cse7) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse0 .cse3 .cse4 .cse6) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 10:36:37,164 INFO L268 CegarLoopResult]: For program point L206(lines 206 212) no Hoare annotation was computed. [2020-07-21 10:36:37,164 INFO L268 CegarLoopResult]: For program point L206-1(lines 206 212) no Hoare annotation was computed. [2020-07-21 10:36:37,164 INFO L268 CegarLoopResult]: For program point L198(lines 198 202) no Hoare annotation was computed. [2020-07-21 10:36:37,164 INFO L268 CegarLoopResult]: For program point testEXIT(lines 186 253) no Hoare annotation was computed. [2020-07-21 10:36:37,164 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 732 777) no Hoare annotation was computed. [2020-07-21 10:36:37,164 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 732 777) no Hoare annotation was computed. [2020-07-21 10:36:37,164 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 732 777) no Hoare annotation was computed. [2020-07-21 10:36:37,165 INFO L268 CegarLoopResult]: For program point L752(lines 752 759) no Hoare annotation was computed. [2020-07-21 10:36:37,165 INFO L268 CegarLoopResult]: For program point L746(lines 746 766) no Hoare annotation was computed. [2020-07-21 10:36:37,165 INFO L268 CegarLoopResult]: For program point L746-1(lines 746 766) no Hoare annotation was computed. [2020-07-21 10:36:37,165 INFO L268 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2020-07-21 10:36:37,165 INFO L268 CegarLoopResult]: For program point L64(lines 64 74) no Hoare annotation was computed. [2020-07-21 10:36:37,165 INFO L264 CegarLoopResult]: At program point L62(line 62) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or (not (= 0 ~systemActive~0)) .cse0 .cse1) (or .cse2 .cse0 .cse3) (or .cse2 .cse0 .cse1) (or .cse2 (= 0 ~methAndRunningLastTime~0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) .cse3))) [2020-07-21 10:36:37,165 INFO L268 CegarLoopResult]: For program point L62-1(line 62) no Hoare annotation was computed. [2020-07-21 10:36:37,165 INFO L268 CegarLoopResult]: For program point L60(lines 60 77) no Hoare annotation was computed. [2020-07-21 10:36:37,166 INFO L268 CegarLoopResult]: For program point L60-1(lines 52 80) no Hoare annotation was computed. [2020-07-21 10:36:37,166 INFO L264 CegarLoopResult]: At program point L58(line 58) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3))) [2020-07-21 10:36:37,166 INFO L268 CegarLoopResult]: For program point L58-1(line 58) no Hoare annotation was computed. [2020-07-21 10:36:37,166 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 52 80) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3))) [2020-07-21 10:36:37,166 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 52 80) no Hoare annotation was computed. [2020-07-21 10:36:37,166 INFO L264 CegarLoopResult]: At program point L67(line 67) the Hoare annotation is: (let ((.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 0 ~systemActive~0))) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse0 .cse4 .cse5) (or .cse0 .cse4 .cse2) (or .cse0 .cse1 (not (= 0 |old(~methAndRunningLastTime~0)|)) .cse5) (or .cse1 .cse3 .cse2))) [2020-07-21 10:36:37,167 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0))) [2020-07-21 10:36:37,168 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2020-07-21 10:36:37,168 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2020-07-21 10:36:37,168 INFO L268 CegarLoopResult]: For program point L143(lines 143 151) no Hoare annotation was computed. [2020-07-21 10:36:37,168 INFO L268 CegarLoopResult]: For program point L143-2(lines 143 151) no Hoare annotation was computed. [2020-07-21 10:36:37,168 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 135 157) no Hoare annotation was computed. [2020-07-21 10:36:37,168 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 135 157) no Hoare annotation was computed. [2020-07-21 10:36:37,168 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 135 157) no Hoare annotation was computed. [2020-07-21 10:36:37,169 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 629 731) no Hoare annotation was computed. [2020-07-21 10:36:37,169 INFO L268 CegarLoopResult]: For program point L694(line 694) no Hoare annotation was computed. [2020-07-21 10:36:37,169 INFO L268 CegarLoopResult]: For program point L694-1(line 694) no Hoare annotation was computed. [2020-07-21 10:36:37,169 INFO L268 CegarLoopResult]: For program point L653(lines 653 657) no Hoare annotation was computed. [2020-07-21 10:36:37,169 INFO L268 CegarLoopResult]: For program point L717(lines 717 728) no Hoare annotation was computed. [2020-07-21 10:36:37,169 INFO L268 CegarLoopResult]: For program point L680(lines 680 684) no Hoare annotation was computed. [2020-07-21 10:36:37,169 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 629 731) no Hoare annotation was computed. [2020-07-21 10:36:37,169 INFO L268 CegarLoopResult]: For program point L678-2(lines 678 698) no Hoare annotation was computed. [2020-07-21 10:36:37,169 INFO L268 CegarLoopResult]: For program point L699(lines 677 700) no Hoare annotation was computed. [2020-07-21 10:36:37,169 INFO L268 CegarLoopResult]: For program point L658(lines 658 674) no Hoare annotation was computed. [2020-07-21 10:36:37,171 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 629 731) no Hoare annotation was computed. [2020-07-21 10:36:37,171 INFO L268 CegarLoopResult]: For program point L718(lines 718 725) no Hoare annotation was computed. [2020-07-21 10:36:37,171 INFO L268 CegarLoopResult]: For program point L679(lines 678 698) no Hoare annotation was computed. [2020-07-21 10:36:37,172 INFO L268 CegarLoopResult]: For program point L710(line 710) no Hoare annotation was computed. [2020-07-21 10:36:37,172 INFO L268 CegarLoopResult]: For program point L710-1(line 710) no Hoare annotation was computed. [2020-07-21 10:36:37,172 INFO L268 CegarLoopResult]: For program point L675(lines 675 716) no Hoare annotation was computed. [2020-07-21 10:36:37,172 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 935 944) no Hoare annotation was computed. [2020-07-21 10:36:37,172 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 935 944) no Hoare annotation was computed. [2020-07-21 10:36:37,172 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 935 944) no Hoare annotation was computed. [2020-07-21 10:36:37,172 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:36:37,172 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~pumpRunning~0)| ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2020-07-21 10:36:37,173 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:36:37,174 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 344 351) no Hoare annotation was computed. [2020-07-21 10:36:37,174 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 344 351) no Hoare annotation was computed. [2020-07-21 10:36:37,174 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 344 351) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3))) [2020-07-21 10:36:37,174 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 158 166) no Hoare annotation was computed. [2020-07-21 10:36:37,174 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 158 166) no Hoare annotation was computed. [2020-07-21 10:36:37,174 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 158 166) no Hoare annotation was computed. [2020-07-21 10:36:37,174 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 416 434) no Hoare annotation was computed. [2020-07-21 10:36:37,175 INFO L268 CegarLoopResult]: For program point L425(lines 425 429) no Hoare annotation was computed. [2020-07-21 10:36:37,175 INFO L271 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: true [2020-07-21 10:36:37,175 INFO L268 CegarLoopResult]: For program point L425-2(lines 425 429) no Hoare annotation was computed. [2020-07-21 10:36:37,175 INFO L268 CegarLoopResult]: For program point L423-1(line 423) no Hoare annotation was computed. [2020-07-21 10:36:37,175 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 416 434) the Hoare annotation is: true [2020-07-21 10:36:37,175 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 416 434) no Hoare annotation was computed. [2020-07-21 10:36:37,175 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 114 125) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse6 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 0 ~systemActive~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse5 (not (<= 1 ~systemActive~0))) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse8 (not (<= 1 |old(~methaneLevelCritical~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse3 .cse6) (or .cse5 .cse7 .cse6 .cse8) (or .cse0 .cse2 .cse7 .cse4 .cse8) (or .cse0 .cse5 .cse7 .cse4 .cse8))) [2020-07-21 10:36:37,175 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 114 125) no Hoare annotation was computed. [2020-07-21 10:36:37,176 INFO L268 CegarLoopResult]: For program point L118-1(lines 114 125) no Hoare annotation was computed. [2020-07-21 10:36:37,176 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:36:37,176 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 10:36:37,176 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:36:37,177 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 126 134) the Hoare annotation is: true [2020-07-21 10:36:37,177 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 126 134) no Hoare annotation was computed. [2020-07-21 10:36:37,178 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 126 134) no Hoare annotation was computed. [2020-07-21 10:36:37,178 INFO L264 CegarLoopResult]: At program point L274(line 274) the Hoare annotation is: (let ((.cse11 (= 0 ~methAndRunningLastTime~0)) (.cse12 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse6 (<= 1 ~waterLevel~0)) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse9 (and .cse12 (<= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse4 (and .cse11 .cse12 (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse10 (not (= 0 ~systemActive~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse6 .cse7) (or .cse0 .cse5 .cse8 .cse6 .cse7) (or .cse0 .cse5 .cse9 .cse8) (or .cse1 .cse10 .cse3) (or .cse0 .cse1 .cse5 .cse9) (or .cse0 .cse11 .cse5 .cse2 .cse8) (or .cse0 .cse2 .cse3 .cse8 .cse4) (or .cse10 .cse3 .cse8) (or .cse0 .cse11 .cse1 .cse5 .cse2)))) [2020-07-21 10:36:37,178 INFO L264 CegarLoopResult]: At program point L272(lines 272 278) the Hoare annotation is: (let ((.cse17 (= 0 ~methaneLevelCritical~0)) (.cse18 (<= 1 ~systemActive~0)) (.cse12 (= 0 ~pumpRunning~0)) (.cse16 (= 0 ~methAndRunningLastTime~0)) (.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse15 (<= 1 ~pumpRunning~0)) (.cse14 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (<= 1 ~waterLevel~0)) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (and .cse16 .cse11 .cse15 .cse14)) (.cse6 (and .cse11 .cse12 .cse14)) (.cse7 (not (= 0 ~systemActive~0))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not .cse18)) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse5 (not .cse17)) (.cse13 (and .cse17 .cse11 .cse12 .cse18))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse5 .cse3 .cse4) (or .cse6 .cse1 .cse7 .cse8) (or .cse0 .cse6 .cse1 .cse9 .cse8 .cse10) (or .cse0 .cse1 .cse2 (and .cse11 .cse12)) (or .cse0 .cse2 (and .cse11 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse5 .cse13) (or .cse0 .cse6 .cse9 .cse8 .cse5 .cse10 (and (<= 2 ~waterLevel~0) .cse11 .cse14 .cse15)) (or .cse6 .cse7 .cse8 .cse5) (or .cse0 .cse16 .cse2 .cse9 .cse5 .cse13)))) [2020-07-21 10:36:37,178 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 261 284) the Hoare annotation is: (let ((.cse9 (= 0 ~methAndRunningLastTime~0)) (.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (= 0 ~pumpRunning~0)) (.cse13 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse4 (and .cse9 .cse11 .cse12 .cse13)) (.cse8 (and .cse11 (<= |old(~pumpRunning~0)| ~pumpRunning~0) .cse13)) (.cse5 (and .cse11 .cse12 .cse13)) (.cse6 (not (= 0 ~systemActive~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse3) (or .cse0 .cse1 .cse7 .cse8) (or .cse0 .cse9 .cse7 .cse2 .cse10) (or .cse0 .cse2 .cse3 .cse10 .cse4) (or .cse0 .cse7 .cse8 .cse10) (or .cse5 .cse6 .cse3 .cse10) (or .cse0 .cse9 .cse1 .cse7 .cse2)))) [2020-07-21 10:36:37,179 INFO L264 CegarLoopResult]: At program point L267(line 267) the Hoare annotation is: (let ((.cse4 (not (= 0 ~systemActive~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~pumpRunning~0)| ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse8 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse3) (or .cse0 .cse1 .cse5 .cse6) (or .cse0 .cse2 .cse3 .cse7) (or .cse0 .cse8 .cse5 .cse2 .cse7) (or .cse4 .cse3 .cse7) (or .cse0 .cse5 .cse6 .cse7) (or .cse0 .cse8 .cse1 .cse5 .cse2))) [2020-07-21 10:36:37,179 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 261 284) no Hoare annotation was computed. [2020-07-21 10:36:37,179 INFO L268 CegarLoopResult]: For program point L265(lines 264 283) no Hoare annotation was computed. [2020-07-21 10:36:37,179 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 261 284) no Hoare annotation was computed. [2020-07-21 10:36:37,179 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 835 864) no Hoare annotation was computed. [2020-07-21 10:36:37,179 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 835 864) the Hoare annotation is: true [2020-07-21 10:36:37,179 INFO L271 CegarLoopResult]: At program point L860(lines 835 864) the Hoare annotation is: true [2020-07-21 10:36:37,179 INFO L268 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-07-21 10:36:37,179 INFO L268 CegarLoopResult]: For program point L849(lines 849 853) no Hoare annotation was computed. [2020-07-21 10:36:37,180 INFO L271 CegarLoopResult]: At program point L849-1(lines 849 853) the Hoare annotation is: true [2020-07-21 10:36:37,180 INFO L268 CegarLoopResult]: For program point L846(line 846) no Hoare annotation was computed. [2020-07-21 10:36:37,180 INFO L271 CegarLoopResult]: At program point L845-2(lines 845 859) the Hoare annotation is: true [2020-07-21 10:36:37,180 INFO L271 CegarLoopResult]: At program point L841(line 841) the Hoare annotation is: true [2020-07-21 10:36:37,181 INFO L268 CegarLoopResult]: For program point L841-1(line 841) no Hoare annotation was computed. [2020-07-21 10:36:37,181 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 90 101) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2))) [2020-07-21 10:36:37,182 INFO L268 CegarLoopResult]: For program point L94-1(lines 90 101) no Hoare annotation was computed. [2020-07-21 10:36:37,182 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 90 101) no Hoare annotation was computed. [2020-07-21 10:36:37,182 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 889 895) no Hoare annotation was computed. [2020-07-21 10:36:37,182 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 889 895) the Hoare annotation is: true [2020-07-21 10:36:37,182 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:36:37,182 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-21 10:36:37,182 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:36:37,182 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:36:37,182 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 450 457) no Hoare annotation was computed. [2020-07-21 10:36:37,183 INFO L271 CegarLoopResult]: At program point startSystemENTRY(lines 450 457) the Hoare annotation is: true [2020-07-21 10:36:37,183 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 450 457) no Hoare annotation was computed. [2020-07-21 10:36:37,183 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 293 317) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 .cse1 .cse2 .cse4 .cse3))) [2020-07-21 10:36:37,183 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 293 317) no Hoare annotation was computed. [2020-07-21 10:36:37,183 INFO L264 CegarLoopResult]: At program point L312(line 312) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse3 (<= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2020-07-21 10:36:37,183 INFO L268 CegarLoopResult]: For program point L312-1(lines 293 317) no Hoare annotation was computed. [2020-07-21 10:36:37,183 INFO L264 CegarLoopResult]: At program point L307(line 307) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse4) (or .cse2 .cse0 .cse3 .cse1 .cse4))) [2020-07-21 10:36:37,184 INFO L264 CegarLoopResult]: At program point L303(line 303) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse4) (or .cse2 .cse0 .cse3 .cse1 .cse4))) [2020-07-21 10:36:37,184 INFO L268 CegarLoopResult]: For program point L301(lines 301 309) no Hoare annotation was computed. [2020-07-21 10:36:37,184 INFO L264 CegarLoopResult]: At program point L299(line 299) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse4) (or .cse2 .cse0 .cse3 .cse1 .cse4))) [2020-07-21 10:36:37,184 INFO L268 CegarLoopResult]: For program point L299-1(line 299) no Hoare annotation was computed. [2020-07-21 10:36:37,184 INFO L268 CegarLoopResult]: For program point L297(lines 297 314) no Hoare annotation was computed. [2020-07-21 10:36:37,184 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 102 113) no Hoare annotation was computed. [2020-07-21 10:36:37,184 INFO L268 CegarLoopResult]: For program point L106-1(lines 102 113) no Hoare annotation was computed. [2020-07-21 10:36:37,184 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 102 113) the Hoare annotation is: (let ((.cse5 (not (= 0 ~systemActive~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse4 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse5 .cse3 .cse4) (or .cse0 .cse1 .cse6 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse3 .cse4) (or .cse1 .cse2 .cse7 .cse4) (or .cse0 .cse1 .cse6 .cse7 .cse4))) [2020-07-21 10:36:37,185 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 825 832) no Hoare annotation was computed. [2020-07-21 10:36:37,185 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 829) no Hoare annotation was computed. [2020-07-21 10:36:37,185 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 825 832) the Hoare annotation is: true [2020-07-21 10:36:37,185 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 825 832) no Hoare annotation was computed. [2020-07-21 10:36:37,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:36:37 BoogieIcfgContainer [2020-07-21 10:36:37,220 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 10:36:37,222 INFO L168 Benchmark]: Toolchain (without parser) took 26327.15 ms. Allocated memory was 137.4 MB in the beginning and 616.0 MB in the end (delta: 478.7 MB). Free memory was 100.3 MB in the beginning and 423.3 MB in the end (delta: -323.0 MB). Peak memory consumption was 446.6 MB. Max. memory is 7.1 GB. [2020-07-21 10:36:37,225 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 137.4 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 10:36:37,225 INFO L168 Benchmark]: CACSL2BoogieTranslator took 685.48 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 99.9 MB in the beginning and 170.8 MB in the end (delta: -70.9 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. [2020-07-21 10:36:37,226 INFO L168 Benchmark]: Boogie Preprocessor took 81.24 ms. Allocated memory is still 201.3 MB. Free memory was 170.8 MB in the beginning and 166.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-21 10:36:37,229 INFO L168 Benchmark]: RCFGBuilder took 1035.53 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 166.7 MB in the beginning and 196.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. [2020-07-21 10:36:37,230 INFO L168 Benchmark]: TraceAbstraction took 24519.01 ms. Allocated memory was 232.8 MB in the beginning and 616.0 MB in the end (delta: 383.3 MB). Free memory was 196.4 MB in the beginning and 423.3 MB in the end (delta: -226.8 MB). Peak memory consumption was 447.3 MB. Max. memory is 7.1 GB. [2020-07-21 10:36:37,239 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 137.4 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 685.48 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 99.9 MB in the beginning and 170.8 MB in the end (delta: -70.9 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.24 ms. Allocated memory is still 201.3 MB. Free memory was 170.8 MB in the beginning and 166.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1035.53 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 166.7 MB in the beginning and 196.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 24519.01 ms. Allocated memory was 232.8 MB in the beginning and 616.0 MB in the end (delta: 383.3 MB). Free memory was 196.4 MB in the beginning and 423.3 MB in the end (delta: -226.8 MB). Peak memory consumption was 447.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 829]: 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: 845]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: ((((((((((!(\old(waterLevel) <= 1) || ((((0 == methAndRunningLastTime && 1 <= methaneLevelCritical) && 0 == systemActive) && 0 == pumpRunning) && splverifierCounter <= 0)) || ((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 == systemActive) && 0 == pumpRunning) && splverifierCounter <= 0)) || ((((0 == methAndRunningLastTime && 1 <= methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || ((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || (((1 <= methaneLevelCritical && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || !(0 == \old(methAndRunningLastTime))) || !(\old(methaneLevelCritical) == 0)) || ((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.4s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2087 SDtfs, 1536 SDslu, 2511 SDs, 0 SdLazy, 2247 SolverSat, 641 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1496 GetRequests, 1445 SyntacticMatches, 5 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2531occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 11 MinimizatonAttempts, 454 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 4664 PreInvPairs, 5071 NumberOfFragments, 3272 HoareAnnotationTreeSize, 4664 FomulaSimplifications, 16765 FormulaSimplificationTreeSizeReduction, 2.6s HoareSimplificationTime, 64 FomulaSimplificationsInter, 35838 FormulaSimplificationTreeSizeReductionInter, 10.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1184 NumberOfCodeBlocks, 1184 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1471 ConstructedInterpolants, 0 QuantifiedInterpolants, 359711 SizeOfPredicates, 28 NumberOfNonLiveVariables, 9041 ConjunctsInSsa, 101 ConjunctsInUnsatCore, 13 InterpolantComputations, 10 PerfectInterpolantSequences, 364/378 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...