/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_spec5_product60.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 10:39:04,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 10:39:04,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 10:39:04,626 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 10:39:04,627 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 10:39:04,628 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 10:39:04,630 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 10:39:04,632 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 10:39:04,633 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 10:39:04,634 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 10:39:04,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 10:39:04,636 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 10:39:04,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 10:39:04,638 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 10:39:04,639 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 10:39:04,640 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 10:39:04,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 10:39:04,642 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 10:39:04,644 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 10:39:04,646 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 10:39:04,648 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 10:39:04,649 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 10:39:04,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 10:39:04,651 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 10:39:04,653 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 10:39:04,654 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 10:39:04,654 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 10:39:04,655 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 10:39:04,655 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 10:39:04,656 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 10:39:04,656 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 10:39:04,657 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 10:39:04,658 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 10:39:04,659 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 10:39:04,660 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 10:39:04,660 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 10:39:04,661 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 10:39:04,661 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 10:39:04,661 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 10:39:04,662 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 10:39:04,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 10:39:04,666 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 10:39:04,681 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 10:39:04,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 10:39:04,683 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 10:39:04,683 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 10:39:04,683 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 10:39:04,683 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 10:39:04,683 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 10:39:04,684 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 10:39:04,684 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 10:39:04,684 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 10:39:04,684 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 10:39:04,684 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 10:39:04,685 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 10:39:04,685 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 10:39:04,685 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 10:39:04,685 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 10:39:04,685 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 10:39:04,686 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 10:39:04,686 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 10:39:04,686 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 10:39:04,686 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 10:39:04,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:39:04,687 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 10:39:04,687 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 10:39:04,687 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 10:39:04,687 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 10:39:04,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:04,688 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 10:39:04,688 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 10:39:04,688 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 10:39:04,975 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 10:39:04,989 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 10:39:04,993 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 10:39:04,994 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 10:39:04,995 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 10:39:04,996 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product60.cil.c [2020-07-21 10:39:05,077 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3ff7cd9a/a7e1765768ea4ee6874458e6a3951c0a/FLAGd8973c0c6 [2020-07-21 10:39:05,619 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 10:39:05,620 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product60.cil.c [2020-07-21 10:39:05,635 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3ff7cd9a/a7e1765768ea4ee6874458e6a3951c0a/FLAGd8973c0c6 [2020-07-21 10:39:05,927 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3ff7cd9a/a7e1765768ea4ee6874458e6a3951c0a [2020-07-21 10:39:05,939 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 10:39:05,942 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 10:39:05,943 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 10:39:05,943 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 10:39:05,947 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 10:39:05,948 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:39:05" (1/1) ... [2020-07-21 10:39:05,951 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@416ba85b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:05, skipping insertion in model container [2020-07-21 10:39:05,951 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:39:05" (1/1) ... [2020-07-21 10:39:05,959 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 10:39:06,012 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 10:39:06,357 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:39:06,500 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 10:39:06,591 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:39:06,631 INFO L208 MainTranslator]: Completed translation [2020-07-21 10:39:06,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:06 WrapperNode [2020-07-21 10:39:06,632 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 10:39:06,633 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 10:39:06,633 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 10:39:06,633 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 10:39:06,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:06" (1/1) ... [2020-07-21 10:39:06,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:06" (1/1) ... [2020-07-21 10:39:06,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:06" (1/1) ... [2020-07-21 10:39:06,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:06" (1/1) ... [2020-07-21 10:39:06,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:06" (1/1) ... [2020-07-21 10:39:06,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:06" (1/1) ... [2020-07-21 10:39:06,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:06" (1/1) ... [2020-07-21 10:39:06,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 10:39:06,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 10:39:06,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 10:39:06,719 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 10:39:06,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:06" (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 10:39:06,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 10:39:06,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 10:39:06,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 10:39:06,789 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 10:39:06,789 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 10:39:06,789 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 10:39:06,789 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 10:39:06,789 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-21 10:39:06,789 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 10:39:06,789 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 10:39:06,789 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 10:39:06,790 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 10:39:06,790 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 10:39:06,790 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 10:39:06,790 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 10:39:06,790 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-21 10:39:06,790 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-21 10:39:06,791 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 10:39:06,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-21 10:39:06,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-21 10:39:06,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-21 10:39:06,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 10:39:06,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 10:39:06,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 10:39:06,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 10:39:06,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 10:39:06,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 10:39:06,792 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 10:39:06,792 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 10:39:06,792 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 10:39:06,793 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 10:39:06,793 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 10:39:06,793 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 10:39:06,793 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 10:39:06,793 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 10:39:06,793 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 10:39:06,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 10:39:06,794 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 10:39:06,794 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 10:39:06,794 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 10:39:06,794 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 10:39:06,794 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 10:39:06,795 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 10:39:06,795 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 10:39:06,795 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 10:39:06,795 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 10:39:06,795 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 10:39:06,796 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 10:39:06,796 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 10:39:06,796 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 10:39:06,796 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 10:39:06,796 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 10:39:06,796 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 10:39:06,796 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 10:39:06,797 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 10:39:06,797 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 10:39:06,797 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 10:39:06,797 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 10:39:06,797 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-21 10:39:06,797 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-21 10:39:06,798 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-21 10:39:06,798 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-21 10:39:06,798 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 10:39:06,798 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 10:39:06,798 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 10:39:06,798 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 10:39:06,798 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 10:39:06,799 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-21 10:39:06,799 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 10:39:06,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 10:39:06,799 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 10:39:06,799 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 10:39:06,799 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 10:39:06,800 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 10:39:06,800 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 10:39:06,800 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 10:39:06,800 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-21 10:39:06,800 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 10:39:06,800 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 10:39:06,800 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 10:39:06,801 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 10:39:06,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 10:39:06,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 10:39:06,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 10:39:06,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 10:39:06,801 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 10:39:06,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 10:39:06,802 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 10:39:06,802 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 10:39:06,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 10:39:06,802 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 10:39:06,802 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 10:39:06,803 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 10:39:06,803 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 10:39:06,803 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 10:39:06,803 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 10:39:06,803 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 10:39:06,803 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 10:39:06,803 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 10:39:06,803 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 10:39:06,803 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 10:39:06,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 10:39:06,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 10:39:06,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 10:39:08,090 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 10:39:08,090 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 10:39:08,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:39:08 BoogieIcfgContainer [2020-07-21 10:39:08,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 10:39:08,097 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 10:39:08,098 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 10:39:08,101 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 10:39:08,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:39:05" (1/3) ... [2020-07-21 10:39:08,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eeb0d51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:39:08, skipping insertion in model container [2020-07-21 10:39:08,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:06" (2/3) ... [2020-07-21 10:39:08,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eeb0d51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:39:08, skipping insertion in model container [2020-07-21 10:39:08,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:39:08" (3/3) ... [2020-07-21 10:39:08,105 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product60.cil.c [2020-07-21 10:39:08,116 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 10:39:08,124 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 10:39:08,138 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 10:39:08,161 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 10:39:08,162 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 10:39:08,162 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 10:39:08,162 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 10:39:08,163 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 10:39:08,163 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 10:39:08,163 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 10:39:08,163 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 10:39:08,187 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2020-07-21 10:39:08,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-21 10:39:08,198 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:08,200 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:39:08,200 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:08,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:08,207 INFO L82 PathProgramCache]: Analyzing trace with hash -1771327782, now seen corresponding path program 1 times [2020-07-21 10:39:08,213 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:08,214 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [280403738] [2020-07-21 10:39:08,214 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 10:39:08,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:08,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 10:39:08,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:08,505 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 10:39:08,506 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:08,507 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [280403738] [2020-07-21 10:39:08,508 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:08,508 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 10:39:08,509 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550361217] [2020-07-21 10:39:08,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 10:39:08,515 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:08,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 10:39:08,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:39:08,533 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 2 states. [2020-07-21 10:39:08,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:08,585 INFO L93 Difference]: Finished difference Result 322 states and 393 transitions. [2020-07-21 10:39:08,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 10:39:08,587 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-21 10:39:08,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:08,603 INFO L225 Difference]: With dead ends: 322 [2020-07-21 10:39:08,603 INFO L226 Difference]: Without dead ends: 163 [2020-07-21 10:39:08,609 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 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 10:39:08,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-07-21 10:39:08,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2020-07-21 10:39:08,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-07-21 10:39:08,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 190 transitions. [2020-07-21 10:39:08,675 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 190 transitions. Word has length 59 [2020-07-21 10:39:08,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:08,676 INFO L479 AbstractCegarLoop]: Abstraction has 163 states and 190 transitions. [2020-07-21 10:39:08,676 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 10:39:08,676 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 190 transitions. [2020-07-21 10:39:08,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-21 10:39:08,680 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:08,681 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:39:08,894 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:08,895 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:08,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:08,897 INFO L82 PathProgramCache]: Analyzing trace with hash 1467126020, now seen corresponding path program 1 times [2020-07-21 10:39:08,897 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:08,898 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [209435929] [2020-07-21 10:39:08,898 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 10:39:09,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:09,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 10:39:09,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:09,226 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 10:39:09,227 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:09,228 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [209435929] [2020-07-21 10:39:09,228 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:09,228 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:39:09,228 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723280654] [2020-07-21 10:39:09,235 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:39:09,235 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:09,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:39:09,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:09,236 INFO L87 Difference]: Start difference. First operand 163 states and 190 transitions. Second operand 3 states. [2020-07-21 10:39:09,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:09,283 INFO L93 Difference]: Finished difference Result 261 states and 303 transitions. [2020-07-21 10:39:09,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:39:09,284 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-21 10:39:09,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:09,289 INFO L225 Difference]: With dead ends: 261 [2020-07-21 10:39:09,290 INFO L226 Difference]: Without dead ends: 154 [2020-07-21 10:39:09,292 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 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 10:39:09,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-07-21 10:39:09,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2020-07-21 10:39:09,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-07-21 10:39:09,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 178 transitions. [2020-07-21 10:39:09,324 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 178 transitions. Word has length 60 [2020-07-21 10:39:09,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:09,325 INFO L479 AbstractCegarLoop]: Abstraction has 154 states and 178 transitions. [2020-07-21 10:39:09,325 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:39:09,325 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 178 transitions. [2020-07-21 10:39:09,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-21 10:39:09,332 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:09,335 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:39:09,548 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:09,549 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:09,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:09,550 INFO L82 PathProgramCache]: Analyzing trace with hash 2049486337, now seen corresponding path program 1 times [2020-07-21 10:39:09,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:09,552 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [64771125] [2020-07-21 10:39:09,552 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 10:39:09,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:09,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 10:39:09,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:09,860 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:09,860 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:09,861 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [64771125] [2020-07-21 10:39:09,862 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:09,862 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:39:09,862 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480326928] [2020-07-21 10:39:09,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:39:09,863 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:09,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:39:09,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:09,865 INFO L87 Difference]: Start difference. First operand 154 states and 178 transitions. Second operand 3 states. [2020-07-21 10:39:09,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:09,922 INFO L93 Difference]: Finished difference Result 402 states and 477 transitions. [2020-07-21 10:39:09,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:39:09,925 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-21 10:39:09,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:09,928 INFO L225 Difference]: With dead ends: 402 [2020-07-21 10:39:09,928 INFO L226 Difference]: Without dead ends: 276 [2020-07-21 10:39:09,936 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 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 10:39:09,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-07-21 10:39:09,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 270. [2020-07-21 10:39:09,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2020-07-21 10:39:09,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 319 transitions. [2020-07-21 10:39:09,967 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 319 transitions. Word has length 65 [2020-07-21 10:39:09,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:09,968 INFO L479 AbstractCegarLoop]: Abstraction has 270 states and 319 transitions. [2020-07-21 10:39:09,968 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:39:09,968 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 319 transitions. [2020-07-21 10:39:09,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-21 10:39:09,970 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:09,970 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:39:10,183 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:10,184 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:10,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:10,185 INFO L82 PathProgramCache]: Analyzing trace with hash 1476281748, now seen corresponding path program 1 times [2020-07-21 10:39:10,185 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:10,186 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [344908836] [2020-07-21 10:39:10,186 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 10:39:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:10,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 10:39:10,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:10,431 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:10,432 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:10,432 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [344908836] [2020-07-21 10:39:10,433 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:10,433 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:39:10,433 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475548112] [2020-07-21 10:39:10,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:39:10,434 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:10,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:39:10,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:39:10,435 INFO L87 Difference]: Start difference. First operand 270 states and 319 transitions. Second operand 6 states. [2020-07-21 10:39:10,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:10,695 INFO L93 Difference]: Finished difference Result 640 states and 789 transitions. [2020-07-21 10:39:10,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 10:39:10,696 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-21 10:39:10,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:10,700 INFO L225 Difference]: With dead ends: 640 [2020-07-21 10:39:10,700 INFO L226 Difference]: Without dead ends: 398 [2020-07-21 10:39:10,702 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 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 10:39:10,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2020-07-21 10:39:10,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 388. [2020-07-21 10:39:10,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 388 states. [2020-07-21 10:39:10,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 463 transitions. [2020-07-21 10:39:10,733 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 463 transitions. Word has length 70 [2020-07-21 10:39:10,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:10,734 INFO L479 AbstractCegarLoop]: Abstraction has 388 states and 463 transitions. [2020-07-21 10:39:10,734 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:39:10,734 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 463 transitions. [2020-07-21 10:39:10,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-21 10:39:10,736 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:10,737 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:39:10,949 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:10,950 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:10,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:10,951 INFO L82 PathProgramCache]: Analyzing trace with hash 340334758, now seen corresponding path program 1 times [2020-07-21 10:39:10,952 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:10,953 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [43824670] [2020-07-21 10:39:10,953 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 10:39:11,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:11,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 10:39:11,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:11,188 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:11,188 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:11,189 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [43824670] [2020-07-21 10:39:11,189 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:11,189 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:39:11,190 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999496389] [2020-07-21 10:39:11,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:39:11,192 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:11,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:39:11,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:39:11,192 INFO L87 Difference]: Start difference. First operand 388 states and 463 transitions. Second operand 6 states. [2020-07-21 10:39:11,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:11,244 INFO L93 Difference]: Finished difference Result 762 states and 940 transitions. [2020-07-21 10:39:11,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 10:39:11,245 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2020-07-21 10:39:11,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:11,251 INFO L225 Difference]: With dead ends: 762 [2020-07-21 10:39:11,251 INFO L226 Difference]: Without dead ends: 402 [2020-07-21 10:39:11,252 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 10:39:11,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2020-07-21 10:39:11,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 398. [2020-07-21 10:39:11,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2020-07-21 10:39:11,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 473 transitions. [2020-07-21 10:39:11,292 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 473 transitions. Word has length 108 [2020-07-21 10:39:11,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:11,293 INFO L479 AbstractCegarLoop]: Abstraction has 398 states and 473 transitions. [2020-07-21 10:39:11,293 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:39:11,293 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 473 transitions. [2020-07-21 10:39:11,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-21 10:39:11,300 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:11,301 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:39:11,513 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:11,514 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:11,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:11,515 INFO L82 PathProgramCache]: Analyzing trace with hash -2026359836, now seen corresponding path program 1 times [2020-07-21 10:39:11,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:11,517 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [404403012] [2020-07-21 10:39:11,517 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 10:39:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:11,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 10:39:11,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:11,763 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:11,763 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:11,763 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [404403012] [2020-07-21 10:39:11,764 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:11,764 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 10:39:11,764 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648723614] [2020-07-21 10:39:11,765 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 10:39:11,765 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:11,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 10:39:11,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 10:39:11,766 INFO L87 Difference]: Start difference. First operand 398 states and 473 transitions. Second operand 5 states. [2020-07-21 10:39:11,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:11,797 INFO L93 Difference]: Finished difference Result 782 states and 960 transitions. [2020-07-21 10:39:11,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 10:39:11,798 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 108 [2020-07-21 10:39:11,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:11,800 INFO L225 Difference]: With dead ends: 782 [2020-07-21 10:39:11,801 INFO L226 Difference]: Without dead ends: 412 [2020-07-21 10:39:11,802 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 10:39:11,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2020-07-21 10:39:11,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 406. [2020-07-21 10:39:11,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 406 states. [2020-07-21 10:39:11,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 481 transitions. [2020-07-21 10:39:11,822 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 481 transitions. Word has length 108 [2020-07-21 10:39:11,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:11,823 INFO L479 AbstractCegarLoop]: Abstraction has 406 states and 481 transitions. [2020-07-21 10:39:11,823 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 10:39:11,823 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 481 transitions. [2020-07-21 10:39:11,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-21 10:39:11,825 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:11,825 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:39:12,038 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:12,039 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:12,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:12,039 INFO L82 PathProgramCache]: Analyzing trace with hash 2028067331, now seen corresponding path program 1 times [2020-07-21 10:39:12,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:12,040 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2032561441] [2020-07-21 10:39:12,040 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 10:39:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:12,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 10:39:12,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:12,243 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:12,243 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:12,244 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2032561441] [2020-07-21 10:39:12,244 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:12,244 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:39:12,244 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991688217] [2020-07-21 10:39:12,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:39:12,245 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:12,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:39:12,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:12,245 INFO L87 Difference]: Start difference. First operand 406 states and 481 transitions. Second operand 3 states. [2020-07-21 10:39:12,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:12,287 INFO L93 Difference]: Finished difference Result 1086 states and 1361 transitions. [2020-07-21 10:39:12,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:39:12,288 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2020-07-21 10:39:12,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:12,292 INFO L225 Difference]: With dead ends: 1086 [2020-07-21 10:39:12,292 INFO L226 Difference]: Without dead ends: 708 [2020-07-21 10:39:12,294 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 105 SyntacticMatches, 1 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 10:39:12,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2020-07-21 10:39:12,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 705. [2020-07-21 10:39:12,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 705 states. [2020-07-21 10:39:12,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 862 transitions. [2020-07-21 10:39:12,332 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 862 transitions. Word has length 108 [2020-07-21 10:39:12,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:12,333 INFO L479 AbstractCegarLoop]: Abstraction has 705 states and 862 transitions. [2020-07-21 10:39:12,333 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:39:12,333 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 862 transitions. [2020-07-21 10:39:12,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-21 10:39:12,335 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:12,335 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:39:12,550 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:12,551 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:12,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:12,552 INFO L82 PathProgramCache]: Analyzing trace with hash 1144962269, now seen corresponding path program 1 times [2020-07-21 10:39:12,553 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:12,555 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [614898878] [2020-07-21 10:39:12,555 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 10:39:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:12,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 827 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-21 10:39:12,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:12,858 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:12,858 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:12,858 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [614898878] [2020-07-21 10:39:12,859 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:12,859 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-21 10:39:12,859 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139838584] [2020-07-21 10:39:12,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 10:39:12,860 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:12,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 10:39:12,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-21 10:39:12,860 INFO L87 Difference]: Start difference. First operand 705 states and 862 transitions. Second operand 10 states. [2020-07-21 10:39:14,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:14,597 INFO L93 Difference]: Finished difference Result 2074 states and 2867 transitions. [2020-07-21 10:39:14,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-21 10:39:14,597 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 112 [2020-07-21 10:39:14,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:14,607 INFO L225 Difference]: With dead ends: 2074 [2020-07-21 10:39:14,607 INFO L226 Difference]: Without dead ends: 1397 [2020-07-21 10:39:14,611 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-07-21 10:39:14,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1397 states. [2020-07-21 10:39:14,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1397 to 1028. [2020-07-21 10:39:14,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1028 states. [2020-07-21 10:39:14,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 1028 states and 1263 transitions. [2020-07-21 10:39:14,685 INFO L78 Accepts]: Start accepts. Automaton has 1028 states and 1263 transitions. Word has length 112 [2020-07-21 10:39:14,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:14,685 INFO L479 AbstractCegarLoop]: Abstraction has 1028 states and 1263 transitions. [2020-07-21 10:39:14,685 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 10:39:14,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1263 transitions. [2020-07-21 10:39:14,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-07-21 10:39:14,689 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:14,689 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:39:14,902 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:14,903 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:14,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:14,904 INFO L82 PathProgramCache]: Analyzing trace with hash 215857978, now seen corresponding path program 1 times [2020-07-21 10:39:14,905 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:14,905 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [708586257] [2020-07-21 10:39:14,906 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 10:39:15,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:15,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 938 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 10:39:15,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:15,121 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-21 10:39:15,121 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:15,122 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [708586257] [2020-07-21 10:39:15,122 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:15,122 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:39:15,123 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317743909] [2020-07-21 10:39:15,124 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:39:15,124 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:15,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:39:15,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:15,125 INFO L87 Difference]: Start difference. First operand 1028 states and 1263 transitions. Second operand 3 states. [2020-07-21 10:39:15,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:15,238 INFO L93 Difference]: Finished difference Result 1733 states and 2128 transitions. [2020-07-21 10:39:15,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:39:15,238 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-07-21 10:39:15,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:15,243 INFO L225 Difference]: With dead ends: 1733 [2020-07-21 10:39:15,243 INFO L226 Difference]: Without dead ends: 733 [2020-07-21 10:39:15,249 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 151 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 10:39:15,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2020-07-21 10:39:15,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 713. [2020-07-21 10:39:15,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 713 states. [2020-07-21 10:39:15,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 854 transitions. [2020-07-21 10:39:15,330 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 854 transitions. Word has length 153 [2020-07-21 10:39:15,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:15,331 INFO L479 AbstractCegarLoop]: Abstraction has 713 states and 854 transitions. [2020-07-21 10:39:15,331 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:39:15,331 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 854 transitions. [2020-07-21 10:39:15,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-07-21 10:39:15,336 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:15,336 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, 1, 1, 1, 1, 1, 1, 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 10:39:15,551 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:15,552 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:15,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:15,552 INFO L82 PathProgramCache]: Analyzing trace with hash 164237146, now seen corresponding path program 1 times [2020-07-21 10:39:15,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:15,553 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [187576793] [2020-07-21 10:39:15,553 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 10:39:15,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:15,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 980 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 10:39:15,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:15,824 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:15,825 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 10:39:16,237 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-21 10:39:16,237 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [187576793] [2020-07-21 10:39:16,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 10:39:16,238 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-21 10:39:16,238 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091141954] [2020-07-21 10:39:16,239 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 10:39:16,239 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:16,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 10:39:16,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-21 10:39:16,240 INFO L87 Difference]: Start difference. First operand 713 states and 854 transitions. Second operand 10 states. [2020-07-21 10:39:17,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:17,158 INFO L93 Difference]: Finished difference Result 1573 states and 1901 transitions. [2020-07-21 10:39:17,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-21 10:39:17,159 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 174 [2020-07-21 10:39:17,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:17,160 INFO L225 Difference]: With dead ends: 1573 [2020-07-21 10:39:17,160 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 10:39:17,165 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 335 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-21 10:39:17,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 10:39:17,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 10:39:17,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 10:39:17,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 10:39:17,166 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 174 [2020-07-21 10:39:17,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:17,167 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 10:39:17,167 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 10:39:17,167 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 10:39:17,167 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 10:39:17,367 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:17,370 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 10:39:18,756 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 26 [2020-07-21 10:39:19,105 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 27 [2020-07-21 10:39:19,569 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 48 [2020-07-21 10:39:19,697 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-21 10:39:19,862 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-07-21 10:39:20,443 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 50 [2020-07-21 10:39:20,704 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 33 [2020-07-21 10:39:21,162 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 35 [2020-07-21 10:39:21,292 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 28 [2020-07-21 10:39:21,685 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 36 [2020-07-21 10:39:21,996 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-07-21 10:39:22,298 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 40 [2020-07-21 10:39:22,481 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2020-07-21 10:39:22,770 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 31 [2020-07-21 10:39:23,077 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 35 [2020-07-21 10:39:23,146 INFO L268 CegarLoopResult]: For program point L501(lines 501 505) no Hoare annotation was computed. [2020-07-21 10:39:23,147 INFO L268 CegarLoopResult]: For program point L501-1(lines 501 505) no Hoare annotation was computed. [2020-07-21 10:39:23,147 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 470 525) no Hoare annotation was computed. [2020-07-21 10:39:23,147 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-21 10:39:23,147 INFO L268 CegarLoopResult]: For program point L495-2(lines 495 516) no Hoare annotation was computed. [2020-07-21 10:39:23,147 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 470 525) no Hoare annotation was computed. [2020-07-21 10:39:23,147 INFO L268 CegarLoopResult]: For program point L517(lines 494 518) no Hoare annotation was computed. [2020-07-21 10:39:23,147 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 470 525) no Hoare annotation was computed. [2020-07-21 10:39:23,147 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-21 10:39:23,147 INFO L268 CegarLoopResult]: For program point L571-1(line 571) no Hoare annotation was computed. [2020-07-21 10:39:23,148 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 526 585) no Hoare annotation was computed. [2020-07-21 10:39:23,148 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 526 585) no Hoare annotation was computed. [2020-07-21 10:39:23,148 INFO L268 CegarLoopResult]: For program point L558(lines 558 562) no Hoare annotation was computed. [2020-07-21 10:39:23,148 INFO L268 CegarLoopResult]: For program point L558-1(lines 558 562) no Hoare annotation was computed. [2020-07-21 10:39:23,148 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 526 585) no Hoare annotation was computed. [2020-07-21 10:39:23,148 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-21 10:39:23,148 INFO L268 CegarLoopResult]: For program point L552-2(lines 552 577) no Hoare annotation was computed. [2020-07-21 10:39:23,149 INFO L268 CegarLoopResult]: For program point L578(lines 551 579) no Hoare annotation was computed. [2020-07-21 10:39:23,149 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 902 908) the Hoare annotation is: true [2020-07-21 10:39:23,149 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 902 908) no Hoare annotation was computed. [2020-07-21 10:39:23,149 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 909 917) no Hoare annotation was computed. [2020-07-21 10:39:23,150 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 909 917) the Hoare annotation is: true [2020-07-21 10:39:23,150 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 909 917) no Hoare annotation was computed. [2020-07-21 10:39:23,150 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 370 377) the Hoare annotation is: true [2020-07-21 10:39:23,150 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 370 377) no Hoare annotation was computed. [2020-07-21 10:39:23,150 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 370 377) no Hoare annotation was computed. [2020-07-21 10:39:23,151 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 378 387) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse2 .cse3) (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse4 .cse0 .cse1 .cse2 .cse3))) [2020-07-21 10:39:23,151 INFO L268 CegarLoopResult]: For program point L383(line 383) no Hoare annotation was computed. [2020-07-21 10:39:23,151 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 378 387) no Hoare annotation was computed. [2020-07-21 10:39:23,151 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 378 387) no Hoare annotation was computed. [2020-07-21 10:39:23,151 INFO L264 CegarLoopResult]: At program point L403(line 403) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (= 0 ~systemActive~0)) .cse2) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse3) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse3))) [2020-07-21 10:39:23,151 INFO L268 CegarLoopResult]: For program point L401(lines 401 407) no Hoare annotation was computed. [2020-07-21 10:39:23,152 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 388 416) the Hoare annotation is: true [2020-07-21 10:39:23,152 INFO L268 CegarLoopResult]: For program point L400(lines 400 410) no Hoare annotation was computed. [2020-07-21 10:39:23,152 INFO L264 CegarLoopResult]: At program point L398(line 398) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 (not (<= 1 ~pumpRunning~0))))) [2020-07-21 10:39:23,152 INFO L268 CegarLoopResult]: For program point L398-1(line 398) no Hoare annotation was computed. [2020-07-21 10:39:23,152 INFO L268 CegarLoopResult]: For program point L396(lines 396 413) no Hoare annotation was computed. [2020-07-21 10:39:23,152 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 388 416) no Hoare annotation was computed. [2020-07-21 10:39:23,153 INFO L268 CegarLoopResult]: For program point L396-1(lines 388 416) no Hoare annotation was computed. [2020-07-21 10:39:23,153 INFO L271 CegarLoopResult]: At program point L394(line 394) the Hoare annotation is: true [2020-07-21 10:39:23,153 INFO L268 CegarLoopResult]: For program point L394-1(line 394) no Hoare annotation was computed. [2020-07-21 10:39:23,153 INFO L264 CegarLoopResult]: At program point L866-1(line 866) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:23,153 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 860 882) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:23,153 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 860 882) no Hoare annotation was computed. [2020-07-21 10:39:23,153 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 860 882) no Hoare annotation was computed. [2020-07-21 10:39:23,154 INFO L264 CegarLoopResult]: At program point L872(line 872) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:23,154 INFO L264 CegarLoopResult]: At program point L872-1(line 872) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:23,154 INFO L268 CegarLoopResult]: For program point L870(lines 870 877) no Hoare annotation was computed. [2020-07-21 10:39:23,154 INFO L268 CegarLoopResult]: For program point L870-1(lines 870 877) no Hoare annotation was computed. [2020-07-21 10:39:23,154 INFO L268 CegarLoopResult]: For program point L868(line 868) no Hoare annotation was computed. [2020-07-21 10:39:23,154 INFO L264 CegarLoopResult]: At program point L867(line 867) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:23,155 INFO L264 CegarLoopResult]: At program point L866(line 866) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:23,155 INFO L268 CegarLoopResult]: For program point L833(line 833) no Hoare annotation was computed. [2020-07-21 10:39:23,155 INFO L268 CegarLoopResult]: For program point L832(line 832) no Hoare annotation was computed. [2020-07-21 10:39:23,155 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 815 838) no Hoare annotation was computed. [2020-07-21 10:39:23,155 INFO L268 CegarLoopResult]: For program point L831(line 831) no Hoare annotation was computed. [2020-07-21 10:39:23,155 INFO L268 CegarLoopResult]: For program point L830(line 830) no Hoare annotation was computed. [2020-07-21 10:39:23,155 INFO L268 CegarLoopResult]: For program point L829(line 829) no Hoare annotation was computed. [2020-07-21 10:39:23,155 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 815 838) no Hoare annotation was computed. [2020-07-21 10:39:23,155 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-07-21 10:39:23,156 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 815 838) no Hoare annotation was computed. [2020-07-21 10:39:23,156 INFO L268 CegarLoopResult]: For program point L827(line 827) no Hoare annotation was computed. [2020-07-21 10:39:23,156 INFO L268 CegarLoopResult]: For program point L826(line 826) no Hoare annotation was computed. [2020-07-21 10:39:23,156 INFO L268 CegarLoopResult]: For program point L825(line 825) no Hoare annotation was computed. [2020-07-21 10:39:23,156 INFO L268 CegarLoopResult]: For program point L824(line 824) no Hoare annotation was computed. [2020-07-21 10:39:23,156 INFO L268 CegarLoopResult]: For program point L823(line 823) no Hoare annotation was computed. [2020-07-21 10:39:23,156 INFO L268 CegarLoopResult]: For program point L822(line 822) no Hoare annotation was computed. [2020-07-21 10:39:23,156 INFO L268 CegarLoopResult]: For program point L821(line 821) no Hoare annotation was computed. [2020-07-21 10:39:23,156 INFO L268 CegarLoopResult]: For program point L820(line 820) no Hoare annotation was computed. [2020-07-21 10:39:23,157 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 271 285) no Hoare annotation was computed. [2020-07-21 10:39:23,157 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 271 285) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse3 (not (<= ~waterLevel~0 1)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse1 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) .cse3))) [2020-07-21 10:39:23,157 INFO L264 CegarLoopResult]: At program point L277(line 277) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse3 (not (<= ~waterLevel~0 1)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) .cse3))) [2020-07-21 10:39:23,157 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 271 285) no Hoare annotation was computed. [2020-07-21 10:39:23,157 INFO L268 CegarLoopResult]: For program point L275(lines 275 281) no Hoare annotation was computed. [2020-07-21 10:39:23,157 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 188 196) no Hoare annotation was computed. [2020-07-21 10:39:23,158 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 188 196) the Hoare annotation is: true [2020-07-21 10:39:23,158 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 188 196) no Hoare annotation was computed. [2020-07-21 10:39:23,158 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 252 270) the Hoare annotation is: true [2020-07-21 10:39:23,158 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 252 270) no Hoare annotation was computed. [2020-07-21 10:39:23,158 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-21 10:39:23,158 INFO L271 CegarLoopResult]: At program point L259(line 259) the Hoare annotation is: true [2020-07-21 10:39:23,158 INFO L268 CegarLoopResult]: For program point L261-2(lines 261 265) no Hoare annotation was computed. [2020-07-21 10:39:23,158 INFO L268 CegarLoopResult]: For program point L259-1(line 259) no Hoare annotation was computed. [2020-07-21 10:39:23,159 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 252 270) no Hoare annotation was computed. [2020-07-21 10:39:23,159 INFO L268 CegarLoopResult]: For program point L216(lines 216 224) no Hoare annotation was computed. [2020-07-21 10:39:23,159 INFO L268 CegarLoopResult]: For program point L216-2(lines 216 224) no Hoare annotation was computed. [2020-07-21 10:39:23,159 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 197 232) no Hoare annotation was computed. [2020-07-21 10:39:23,159 INFO L268 CegarLoopResult]: For program point L204(lines 204 212) no Hoare annotation was computed. [2020-07-21 10:39:23,159 INFO L268 CegarLoopResult]: For program point L204-2(lines 204 212) no Hoare annotation was computed. [2020-07-21 10:39:23,159 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 197 232) no Hoare annotation was computed. [2020-07-21 10:39:23,159 INFO L268 CegarLoopResult]: For program point L227(line 227) no Hoare annotation was computed. [2020-07-21 10:39:23,159 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 197 232) no Hoare annotation was computed. [2020-07-21 10:39:23,160 INFO L268 CegarLoopResult]: For program point L227-1(line 227) no Hoare annotation was computed. [2020-07-21 10:39:23,160 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 895 901) no Hoare annotation was computed. [2020-07-21 10:39:23,160 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 895 901) the Hoare annotation is: true [2020-07-21 10:39:23,160 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 424 469) no Hoare annotation was computed. [2020-07-21 10:39:23,160 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 424 469) no Hoare annotation was computed. [2020-07-21 10:39:23,160 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 424 469) no Hoare annotation was computed. [2020-07-21 10:39:23,160 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 737 782) no Hoare annotation was computed. [2020-07-21 10:39:23,160 INFO L268 CegarLoopResult]: For program point L757(lines 757 764) no Hoare annotation was computed. [2020-07-21 10:39:23,160 INFO L268 CegarLoopResult]: For program point L751(lines 751 771) no Hoare annotation was computed. [2020-07-21 10:39:23,161 INFO L268 CegarLoopResult]: For program point L751-1(lines 751 771) no Hoare annotation was computed. [2020-07-21 10:39:23,161 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 737 782) no Hoare annotation was computed. [2020-07-21 10:39:23,161 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 737 782) no Hoare annotation was computed. [2020-07-21 10:39:23,161 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 846 856) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:23,161 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 846 856) no Hoare annotation was computed. [2020-07-21 10:39:23,161 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 846 856) no Hoare annotation was computed. [2020-07-21 10:39:23,161 INFO L264 CegarLoopResult]: At program point L851(line 851) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:23,162 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 177 187) the Hoare annotation is: true [2020-07-21 10:39:23,162 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 177 187) no Hoare annotation was computed. [2020-07-21 10:39:23,162 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 177 187) no Hoare annotation was computed. [2020-07-21 10:39:23,162 INFO L271 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: true [2020-07-21 10:39:23,162 INFO L268 CegarLoopResult]: For program point L182-1(line 182) no Hoare annotation was computed. [2020-07-21 10:39:23,162 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 169 176) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))))) [2020-07-21 10:39:23,162 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 169 176) no Hoare annotation was computed. [2020-07-21 10:39:23,163 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 169 176) no Hoare annotation was computed. [2020-07-21 10:39:23,163 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 1007 1020) no Hoare annotation was computed. [2020-07-21 10:39:23,163 INFO L268 CegarLoopResult]: For program point L1011(lines 1011 1017) no Hoare annotation was computed. [2020-07-21 10:39:23,163 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 1007 1020) the Hoare annotation is: true [2020-07-21 10:39:23,163 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 1007 1020) no Hoare annotation was computed. [2020-07-21 10:39:23,163 INFO L264 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:23,163 INFO L268 CegarLoopResult]: For program point L126(lines 126 134) no Hoare annotation was computed. [2020-07-21 10:39:23,163 INFO L264 CegarLoopResult]: At program point L124(line 124) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:23,164 INFO L268 CegarLoopResult]: For program point L124-1(line 124) no Hoare annotation was computed. [2020-07-21 10:39:23,164 INFO L268 CegarLoopResult]: For program point L122(lines 122 139) no Hoare annotation was computed. [2020-07-21 10:39:23,164 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 118 142) no Hoare annotation was computed. [2020-07-21 10:39:23,164 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 118 142) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 10:39:23,164 INFO L264 CegarLoopResult]: At program point L137(line 137) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 10:39:23,164 INFO L268 CegarLoopResult]: For program point L137-1(lines 118 142) no Hoare annotation was computed. [2020-07-21 10:39:23,165 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:23,165 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 84 90) no Hoare annotation was computed. [2020-07-21 10:39:23,165 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 84 90) the Hoare annotation is: true [2020-07-21 10:39:23,165 INFO L264 CegarLoopResult]: At program point L320(line 320) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 10:39:23,165 INFO L264 CegarLoopResult]: At program point testENTRY(lines 298 365) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:23,165 INFO L268 CegarLoopResult]: For program point L318(lines 318 324) no Hoare annotation was computed. [2020-07-21 10:39:23,166 INFO L268 CegarLoopResult]: For program point L318-1(lines 318 324) no Hoare annotation was computed. [2020-07-21 10:39:23,166 INFO L268 CegarLoopResult]: For program point testFINAL(lines 298 365) no Hoare annotation was computed. [2020-07-21 10:39:23,166 INFO L268 CegarLoopResult]: For program point L310(lines 310 314) no Hoare annotation was computed. [2020-07-21 10:39:23,166 INFO L264 CegarLoopResult]: At program point L358(lines 307 359) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:23,166 INFO L264 CegarLoopResult]: At program point L348(line 348) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 10:39:23,166 INFO L268 CegarLoopResult]: For program point L346(lines 346 352) no Hoare annotation was computed. [2020-07-21 10:39:23,167 INFO L264 CegarLoopResult]: At program point L346-1(lines 338 353) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 10:39:23,167 INFO L268 CegarLoopResult]: For program point L309(lines 308 357) no Hoare annotation was computed. [2020-07-21 10:39:23,167 INFO L264 CegarLoopResult]: At program point L340(line 340) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 10:39:23,167 INFO L268 CegarLoopResult]: For program point L338(lines 338 353) no Hoare annotation was computed. [2020-07-21 10:39:23,167 INFO L264 CegarLoopResult]: At program point L330(line 330) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 10:39:23,167 INFO L268 CegarLoopResult]: For program point L328(lines 328 334) no Hoare annotation was computed. [2020-07-21 10:39:23,168 INFO L268 CegarLoopResult]: For program point L328-1(lines 328 334) no Hoare annotation was computed. [2020-07-21 10:39:23,168 INFO L264 CegarLoopResult]: At program point L355(lines 308 357) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 10:39:23,168 INFO L268 CegarLoopResult]: For program point testEXIT(lines 298 365) no Hoare annotation was computed. [2020-07-21 10:39:23,168 INFO L268 CegarLoopResult]: For program point L705(lines 705 725) no Hoare annotation was computed. [2020-07-21 10:39:23,168 INFO L268 CegarLoopResult]: For program point L705-1(lines 705 725) no Hoare annotation was computed. [2020-07-21 10:39:23,168 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 691 736) no Hoare annotation was computed. [2020-07-21 10:39:23,168 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 691 736) no Hoare annotation was computed. [2020-07-21 10:39:23,169 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 691 736) no Hoare annotation was computed. [2020-07-21 10:39:23,169 INFO L268 CegarLoopResult]: For program point L711(lines 711 718) no Hoare annotation was computed. [2020-07-21 10:39:23,169 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 143 150) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 10:39:23,169 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 143 150) no Hoare annotation was computed. [2020-07-21 10:39:23,169 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 143 150) no Hoare annotation was computed. [2020-07-21 10:39:23,169 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 1021 1029) no Hoare annotation was computed. [2020-07-21 10:39:23,169 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 1021 1029) the Hoare annotation is: true [2020-07-21 10:39:23,169 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 1021 1029) no Hoare annotation was computed. [2020-07-21 10:39:23,170 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 975 997) no Hoare annotation was computed. [2020-07-21 10:39:23,170 INFO L268 CegarLoopResult]: For program point L983(lines 983 991) no Hoare annotation was computed. [2020-07-21 10:39:23,170 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 975 997) no Hoare annotation was computed. [2020-07-21 10:39:23,170 INFO L268 CegarLoopResult]: For program point L983-2(lines 983 991) no Hoare annotation was computed. [2020-07-21 10:39:23,170 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 975 997) no Hoare annotation was computed. [2020-07-21 10:39:23,170 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 588 690) no Hoare annotation was computed. [2020-07-21 10:39:23,170 INFO L268 CegarLoopResult]: For program point L638(lines 637 657) no Hoare annotation was computed. [2020-07-21 10:39:23,171 INFO L268 CegarLoopResult]: For program point L669(line 669) no Hoare annotation was computed. [2020-07-21 10:39:23,171 INFO L268 CegarLoopResult]: For program point L669-1(line 669) no Hoare annotation was computed. [2020-07-21 10:39:23,171 INFO L268 CegarLoopResult]: For program point L634(lines 634 675) no Hoare annotation was computed. [2020-07-21 10:39:23,171 INFO L268 CegarLoopResult]: For program point L653(line 653) no Hoare annotation was computed. [2020-07-21 10:39:23,171 INFO L268 CegarLoopResult]: For program point L653-1(line 653) no Hoare annotation was computed. [2020-07-21 10:39:23,171 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 588 690) no Hoare annotation was computed. [2020-07-21 10:39:23,171 INFO L268 CegarLoopResult]: For program point L612(lines 612 616) no Hoare annotation was computed. [2020-07-21 10:39:23,171 INFO L268 CegarLoopResult]: For program point L676(lines 676 687) no Hoare annotation was computed. [2020-07-21 10:39:23,171 INFO L268 CegarLoopResult]: For program point L639(lines 639 643) no Hoare annotation was computed. [2020-07-21 10:39:23,172 INFO L268 CegarLoopResult]: For program point L637-2(lines 637 657) no Hoare annotation was computed. [2020-07-21 10:39:23,172 INFO L268 CegarLoopResult]: For program point L658(lines 636 659) no Hoare annotation was computed. [2020-07-21 10:39:23,172 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 588 690) no Hoare annotation was computed. [2020-07-21 10:39:23,172 INFO L268 CegarLoopResult]: For program point L617(lines 617 633) no Hoare annotation was computed. [2020-07-21 10:39:23,172 INFO L268 CegarLoopResult]: For program point L677(lines 677 684) no Hoare annotation was computed. [2020-07-21 10:39:23,172 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 885 894) no Hoare annotation was computed. [2020-07-21 10:39:23,172 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 885 894) no Hoare annotation was computed. [2020-07-21 10:39:23,172 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 885 894) no Hoare annotation was computed. [2020-07-21 10:39:23,173 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:39:23,173 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (<= ~waterLevel~0 |old(~waterLevel~0)|) [2020-07-21 10:39:23,173 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:39:23,173 INFO L268 CegarLoopResult]: For program point L159(lines 159 165) no Hoare annotation was computed. [2020-07-21 10:39:23,173 INFO L264 CegarLoopResult]: At program point L157(line 157) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 10:39:23,173 INFO L268 CegarLoopResult]: For program point L157-1(line 157) no Hoare annotation was computed. [2020-07-21 10:39:23,173 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 152 168) no Hoare annotation was computed. [2020-07-21 10:39:23,174 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 152 168) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 10:39:23,174 INFO L264 CegarLoopResult]: At program point L163(line 163) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 10:39:23,174 INFO L268 CegarLoopResult]: For program point L163-1(lines 152 168) no Hoare annotation was computed. [2020-07-21 10:39:23,174 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 233 251) no Hoare annotation was computed. [2020-07-21 10:39:23,174 INFO L271 CegarLoopResult]: At program point L240(line 240) the Hoare annotation is: true [2020-07-21 10:39:23,174 INFO L268 CegarLoopResult]: For program point L242-2(lines 242 246) no Hoare annotation was computed. [2020-07-21 10:39:23,174 INFO L268 CegarLoopResult]: For program point L240-1(line 240) no Hoare annotation was computed. [2020-07-21 10:39:23,174 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 233 251) the Hoare annotation is: true [2020-07-21 10:39:23,174 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 233 251) no Hoare annotation was computed. [2020-07-21 10:39:23,175 INFO L268 CegarLoopResult]: For program point L242(lines 242 246) no Hoare annotation was computed. [2020-07-21 10:39:23,175 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 998 1006) the Hoare annotation is: true [2020-07-21 10:39:23,175 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 998 1006) no Hoare annotation was computed. [2020-07-21 10:39:23,175 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 998 1006) no Hoare annotation was computed. [2020-07-21 10:39:23,175 INFO L268 CegarLoopResult]: For program point L958-1(lines 954 965) no Hoare annotation was computed. [2020-07-21 10:39:23,175 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 954 965) the Hoare annotation is: true [2020-07-21 10:39:23,175 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 954 965) no Hoare annotation was computed. [2020-07-21 10:39:23,175 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:39:23,176 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 10:39:23,176 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:39:23,176 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 966 974) the Hoare annotation is: true [2020-07-21 10:39:23,176 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 966 974) no Hoare annotation was computed. [2020-07-21 10:39:23,176 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 966 974) no Hoare annotation was computed. [2020-07-21 10:39:23,176 INFO L268 CegarLoopResult]: For program point L64(lines 60 82) no Hoare annotation was computed. [2020-07-21 10:39:23,176 INFO L268 CegarLoopResult]: For program point L62(lines 60 82) no Hoare annotation was computed. [2020-07-21 10:39:23,177 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 57 83) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (<= 1 ~pumpRunning~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (not (<= |old(~waterLevel~0)| 1))) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse9 (not (= 0 ~systemActive~0))) (.cse13 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (<= ~waterLevel~0 2)) (.cse11 (= 0 ~pumpRunning~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6)) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse7 .cse6) .cse2) (or .cse8 .cse9 .cse10 (and .cse7 .cse11)) (or .cse0 .cse4 .cse10 .cse2 .cse3) (or .cse9 .cse10 (and .cse4 .cse5 .cse11) .cse2 .cse3) (or .cse8 .cse0 .cse7 .cse10) (or .cse0 .cse12 .cse10 .cse13 .cse2) (or .cse12 .cse9 .cse10 .cse13 .cse2) (or .cse0 .cse10 (and .cse5 .cse11) .cse2))) [2020-07-21 10:39:23,177 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 57 83) no Hoare annotation was computed. [2020-07-21 10:39:23,177 INFO L264 CegarLoopResult]: At program point L73(line 73) the Hoare annotation is: (let ((.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 (<= ~waterLevel~0 1) (<= 1 ~pumpRunning~0))) (.cse3 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (or (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (and .cse4 (= 0 ~pumpRunning~0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse5 .cse6) (or .cse0 .cse5 .cse2 .cse6 .cse3)))) [2020-07-21 10:39:23,177 INFO L264 CegarLoopResult]: At program point L71(lines 71 77) the Hoare annotation is: (let ((.cse12 (<= 1 ~pumpRunning~0)) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (= 0 ~pumpRunning~0)) (.cse13 (<= ~waterLevel~0 1))) (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and .cse7 .cse10 (<= 1 ~switchedOnBeforeTS~0) .cse13)) (.cse4 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse7 .cse13 .cse12)) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse8 (not (= 0 ~systemActive~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (<= 2 ~waterLevel~0)) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse9) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse6 .cse0 .cse1 .cse2 .cse4) (or .cse6 .cse0 .cse9 (and .cse7 .cse10)) (or .cse11 .cse8 .cse9 .cse3 .cse5) (or .cse8 .cse9 (and (<= ~waterLevel~0 2) .cse10) .cse3) (or .cse0 (and .cse11 .cse7 .cse10) .cse9 (and .cse11 .cse7 .cse12) .cse3 .cse5)))) [2020-07-21 10:39:23,177 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 57 83) no Hoare annotation was computed. [2020-07-21 10:39:23,178 INFO L264 CegarLoopResult]: At program point L66(line 66) the Hoare annotation is: (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (<= 1 ~pumpRunning~0))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse4) (or (not (= 0 ~systemActive~0)) .cse5 .cse4) (or .cse0 .cse5 .cse4) (or .cse0 .cse1 .cse4 (and .cse2 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse3) (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-21 10:39:23,178 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 785 814) no Hoare annotation was computed. [2020-07-21 10:39:23,178 INFO L268 CegarLoopResult]: For program point L799(lines 799 803) no Hoare annotation was computed. [2020-07-21 10:39:23,178 INFO L271 CegarLoopResult]: At program point L799-1(lines 799 803) the Hoare annotation is: true [2020-07-21 10:39:23,178 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 785 814) the Hoare annotation is: true [2020-07-21 10:39:23,178 INFO L268 CegarLoopResult]: For program point L796(line 796) no Hoare annotation was computed. [2020-07-21 10:39:23,178 INFO L271 CegarLoopResult]: At program point L795-2(lines 795 809) the Hoare annotation is: true [2020-07-21 10:39:23,178 INFO L271 CegarLoopResult]: At program point L791(line 791) the Hoare annotation is: true [2020-07-21 10:39:23,178 INFO L268 CegarLoopResult]: For program point L791-1(line 791) no Hoare annotation was computed. [2020-07-21 10:39:23,179 INFO L271 CegarLoopResult]: At program point L810(lines 785 814) the Hoare annotation is: true [2020-07-21 10:39:23,179 INFO L268 CegarLoopResult]: For program point L806(line 806) no Hoare annotation was computed. [2020-07-21 10:39:23,179 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 930 941) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2) (or .cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) (not (<= |old(~waterLevel~0)| 2)) .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-21 10:39:23,179 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 930 941) no Hoare annotation was computed. [2020-07-21 10:39:23,179 INFO L268 CegarLoopResult]: For program point L934-1(lines 930 941) no Hoare annotation was computed. [2020-07-21 10:39:23,179 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 839 845) no Hoare annotation was computed. [2020-07-21 10:39:23,179 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 839 845) the Hoare annotation is: true [2020-07-21 10:39:23,179 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:39:23,180 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-21 10:39:23,180 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:39:23,180 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:39:23,180 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 286 293) no Hoare annotation was computed. [2020-07-21 10:39:23,180 INFO L271 CegarLoopResult]: At program point startSystemENTRY(lines 286 293) the Hoare annotation is: true [2020-07-21 10:39:23,180 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 286 293) no Hoare annotation was computed. [2020-07-21 10:39:23,180 INFO L268 CegarLoopResult]: For program point L98-1(line 98) no Hoare annotation was computed. [2020-07-21 10:39:23,180 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 92 116) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 10:39:23,181 INFO L268 CegarLoopResult]: For program point L96(lines 96 113) no Hoare annotation was computed. [2020-07-21 10:39:23,181 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 92 116) no Hoare annotation was computed. [2020-07-21 10:39:23,181 INFO L264 CegarLoopResult]: At program point L111(line 111) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:23,181 INFO L268 CegarLoopResult]: For program point L111-1(lines 92 116) no Hoare annotation was computed. [2020-07-21 10:39:23,181 INFO L264 CegarLoopResult]: At program point L106(line 106) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:23,181 INFO L264 CegarLoopResult]: At program point L102(line 102) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 1)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (<= ~waterLevel~0 2)) .cse2 (= 0 ~pumpRunning~0)) (or .cse0 .cse2 .cse1))) [2020-07-21 10:39:23,181 INFO L268 CegarLoopResult]: For program point L100(lines 100 108) no Hoare annotation was computed. [2020-07-21 10:39:23,182 INFO L264 CegarLoopResult]: At program point L98(line 98) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 10:39:23,182 INFO L268 CegarLoopResult]: For program point L946-1(lines 942 953) no Hoare annotation was computed. [2020-07-21 10:39:23,182 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 942 953) no Hoare annotation was computed. [2020-07-21 10:39:23,182 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 942 953) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (<= 1 ~systemActive~0))) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4) (or .cse6 .cse5 .cse7 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse8) (or .cse6 .cse7 .cse1 .cse3) (or .cse5 .cse0 .cse2 .cse8 .cse4) (or .cse6 .cse5 .cse7 .cse3))) [2020-07-21 10:39:23,182 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 919 926) no Hoare annotation was computed. [2020-07-21 10:39:23,182 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 923) no Hoare annotation was computed. [2020-07-21 10:39:23,183 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 919 926) the Hoare annotation is: true [2020-07-21 10:39:23,183 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 919 926) no Hoare annotation was computed. [2020-07-21 10:39:23,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:39:23 BoogieIcfgContainer [2020-07-21 10:39:23,201 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 10:39:23,203 INFO L168 Benchmark]: Toolchain (without parser) took 17262.77 ms. Allocated memory was 134.7 MB in the beginning and 419.4 MB in the end (delta: 284.7 MB). Free memory was 97.9 MB in the beginning and 179.3 MB in the end (delta: -81.4 MB). Peak memory consumption was 304.1 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:23,204 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 134.7 MB. Free memory was 117.8 MB in the beginning and 117.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 10:39:23,205 INFO L168 Benchmark]: CACSL2BoogieTranslator took 689.41 ms. Allocated memory was 134.7 MB in the beginning and 202.4 MB in the end (delta: 67.6 MB). Free memory was 97.5 MB in the beginning and 170.9 MB in the end (delta: -73.5 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:23,205 INFO L168 Benchmark]: Boogie Preprocessor took 85.39 ms. Allocated memory is still 202.4 MB. Free memory was 170.9 MB in the beginning and 166.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:23,206 INFO L168 Benchmark]: RCFGBuilder took 1377.90 ms. Allocated memory was 202.4 MB in the beginning and 228.6 MB in the end (delta: 26.2 MB). Free memory was 166.5 MB in the beginning and 193.4 MB in the end (delta: -26.9 MB). Peak memory consumption was 91.1 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:23,207 INFO L168 Benchmark]: TraceAbstraction took 15103.66 ms. Allocated memory was 228.6 MB in the beginning and 419.4 MB in the end (delta: 190.8 MB). Free memory was 192.0 MB in the beginning and 179.3 MB in the end (delta: 12.6 MB). Peak memory consumption was 304.3 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:23,211 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 134.7 MB. Free memory was 117.8 MB in the beginning and 117.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 689.41 ms. Allocated memory was 134.7 MB in the beginning and 202.4 MB in the end (delta: 67.6 MB). Free memory was 97.5 MB in the beginning and 170.9 MB in the end (delta: -73.5 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.39 ms. Allocated memory is still 202.4 MB. Free memory was 170.9 MB in the beginning and 166.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1377.90 ms. Allocated memory was 202.4 MB in the beginning and 228.6 MB in the end (delta: 26.2 MB). Free memory was 166.5 MB in the beginning and 193.4 MB in the end (delta: -26.9 MB). Peak memory consumption was 91.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15103.66 ms. Allocated memory was 228.6 MB in the beginning and 419.4 MB in the end (delta: 190.8 MB). Free memory was 192.0 MB in the beginning and 179.3 MB in the end (delta: 12.6 MB). Peak memory consumption was 304.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 923]: 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: 307]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || (((0 == systemActive && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(systemActive))) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 262 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.2s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2177 SDtfs, 1217 SDslu, 3733 SDs, 0 SdLazy, 1944 SolverSat, 448 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1204 GetRequests, 1145 SyntacticMatches, 6 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1028occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 418 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 1965 PreInvPairs, 2082 NumberOfFragments, 2226 HoareAnnotationTreeSize, 1965 FomulaSimplifications, 3358 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 72 FomulaSimplificationsInter, 9468 FormulaSimplificationTreeSizeReductionInter, 4.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1017 NumberOfCodeBlocks, 1017 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1180 ConstructedInterpolants, 0 QuantifiedInterpolants, 263616 SizeOfPredicates, 26 NumberOfNonLiveVariables, 8059 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 122/144 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...