/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 SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 13:02:45,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 13:02:45,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 13:02:45,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 13:02:45,631 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 13:02:45,633 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 13:02:45,635 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 13:02:45,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 13:02:45,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 13:02:45,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 13:02:45,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 13:02:45,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 13:02:45,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 13:02:45,657 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 13:02:45,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 13:02:45,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 13:02:45,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 13:02:45,663 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 13:02:45,664 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 13:02:45,666 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 13:02:45,667 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 13:02:45,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 13:02:45,669 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 13:02:45,670 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 13:02:45,672 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 13:02:45,673 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 13:02:45,673 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 13:02:45,674 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 13:02:45,674 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 13:02:45,675 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 13:02:45,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 13:02:45,676 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 13:02:45,677 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 13:02:45,677 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 13:02:45,678 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 13:02:45,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 13:02:45,679 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 13:02:45,679 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 13:02:45,680 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 13:02:45,680 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 13:02:45,681 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 13:02:45,682 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 [2020-07-20 13:02:45,696 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 13:02:45,697 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 13:02:45,698 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 13:02:45,698 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 13:02:45,698 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 13:02:45,699 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 13:02:45,699 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 13:02:45,699 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 13:02:45,699 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 13:02:45,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 13:02:45,700 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 13:02:45,700 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 13:02:45,700 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 13:02:45,700 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 13:02:45,700 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 13:02:45,701 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 13:02:45,701 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 13:02:45,701 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 13:02:45,701 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 13:02:45,701 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 13:02:45,702 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 13:02:45,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:02:45,702 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 13:02:45,702 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 13:02:45,702 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 13:02:45,703 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 13:02:45,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:45,703 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 13:02:45,703 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 13:02:45,703 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 -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 13:02:45,993 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 13:02:46,007 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 13:02:46,011 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 13:02:46,012 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 13:02:46,013 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 13:02:46,013 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product33.cil.c [2020-07-20 13:02:46,076 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/def2132d4/861579e3a6b24e5b9a8fbbf3216a3df4/FLAG2c798b1e1 [2020-07-20 13:02:46,601 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 13:02:46,602 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product33.cil.c [2020-07-20 13:02:46,616 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/def2132d4/861579e3a6b24e5b9a8fbbf3216a3df4/FLAG2c798b1e1 [2020-07-20 13:02:46,920 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/def2132d4/861579e3a6b24e5b9a8fbbf3216a3df4 [2020-07-20 13:02:46,929 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 13:02:46,933 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 13:02:46,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 13:02:46,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 13:02:46,939 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 13:02:46,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:02:46" (1/1) ... [2020-07-20 13:02:46,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c5d2c66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:46, skipping insertion in model container [2020-07-20 13:02:46,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:02:46" (1/1) ... [2020-07-20 13:02:46,952 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 13:02:46,999 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 13:02:47,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:02:47,416 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 13:02:47,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:02:47,541 INFO L208 MainTranslator]: Completed translation [2020-07-20 13:02:47,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:47 WrapperNode [2020-07-20 13:02:47,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 13:02:47,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 13:02:47,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 13:02:47,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 13:02:47,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:47" (1/1) ... [2020-07-20 13:02:47,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:47" (1/1) ... [2020-07-20 13:02:47,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:47" (1/1) ... [2020-07-20 13:02:47,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:47" (1/1) ... [2020-07-20 13:02:47,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:47" (1/1) ... [2020-07-20 13:02:47,626 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:47" (1/1) ... [2020-07-20 13:02:47,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:47" (1/1) ... [2020-07-20 13:02:47,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 13:02:47,648 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 13:02:47,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 13:02:47,649 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 13:02:47,652 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:47" (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 [2020-07-20 13:02:47,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 13:02:47,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 13:02:47,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 13:02:47,720 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 13:02:47,720 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 13:02:47,720 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 13:02:47,721 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 13:02:47,721 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 13:02:47,722 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 13:02:47,722 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 13:02:47,723 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 13:02:47,723 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 13:02:47,723 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 13:02:47,723 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 13:02:47,723 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 13:02:47,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 13:02:47,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 13:02:47,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 13:02:47,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 13:02:47,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 13:02:47,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 13:02:47,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 13:02:47,725 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 13:02:47,725 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 13:02:47,726 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 13:02:47,727 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 13:02:47,727 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 13:02:47,727 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 13:02:47,728 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 13:02:47,728 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 13:02:47,728 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 13:02:47,728 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 13:02:47,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-20 13:02:47,729 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 13:02:47,729 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 13:02:47,729 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 13:02:47,729 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 13:02:47,729 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 13:02:47,729 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 13:02:47,730 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 13:02:47,730 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 13:02:47,730 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 13:02:47,730 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 13:02:47,730 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 13:02:47,730 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 13:02:47,731 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 13:02:47,731 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 13:02:47,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 13:02:47,732 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 13:02:47,732 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 13:02:47,732 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 13:02:47,732 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 13:02:47,733 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 13:02:47,733 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 13:02:47,733 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 13:02:47,733 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 13:02:47,734 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 13:02:47,734 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 13:02:47,734 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 13:02:47,734 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 13:02:47,734 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 13:02:47,735 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 13:02:47,735 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 13:02:47,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 13:02:47,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 13:02:47,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 13:02:47,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 13:02:47,735 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 13:02:47,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 13:02:47,736 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 13:02:47,736 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 13:02:47,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 13:02:47,737 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 13:02:47,737 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 13:02:47,737 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 13:02:47,738 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 13:02:47,738 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 13:02:47,739 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 13:02:47,739 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 13:02:47,739 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-20 13:02:47,739 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 13:02:47,739 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 13:02:47,740 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 13:02:47,740 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 13:02:47,740 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 13:02:47,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 13:02:47,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 13:02:47,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 13:02:48,843 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 13:02:48,843 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 13:02:48,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:02:48 BoogieIcfgContainer [2020-07-20 13:02:48,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 13:02:48,849 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 13:02:48,850 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 13:02:48,852 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 13:02:48,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:02:46" (1/3) ... [2020-07-20 13:02:48,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a79844 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:02:48, skipping insertion in model container [2020-07-20 13:02:48,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:47" (2/3) ... [2020-07-20 13:02:48,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a79844 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:02:48, skipping insertion in model container [2020-07-20 13:02:48,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:02:48" (3/3) ... [2020-07-20 13:02:48,856 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product33.cil.c [2020-07-20 13:02:48,866 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 13:02:48,874 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 13:02:48,888 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 13:02:48,913 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 13:02:48,913 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 13:02:48,913 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 13:02:48,913 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 13:02:48,914 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 13:02:48,914 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 13:02:48,914 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 13:02:48,914 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 13:02:48,937 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2020-07-20 13:02:48,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 13:02:48,947 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:48,948 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:02:48,948 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:48,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:48,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1697845513, now seen corresponding path program 1 times [2020-07-20 13:02:48,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:48,961 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2084479782] [2020-07-20 13:02:48,962 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 [2020-07-20 13:02:49,474 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:02:49,474 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:49,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 13:02:49,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:49,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:02:49,525 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:49,527 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2084479782] [2020-07-20 13:02:49,528 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:49,528 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 13:02:49,529 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102095834] [2020-07-20 13:02:49,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 13:02:49,536 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:49,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 13:02:49,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:02:49,556 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 2 states. [2020-07-20 13:02:49,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:49,605 INFO L93 Difference]: Finished difference Result 222 states and 277 transitions. [2020-07-20 13:02:49,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 13:02:49,606 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2020-07-20 13:02:49,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:49,620 INFO L225 Difference]: With dead ends: 222 [2020-07-20 13:02:49,621 INFO L226 Difference]: Without dead ends: 111 [2020-07-20 13:02:49,625 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:02:49,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-07-20 13:02:49,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-07-20 13:02:49,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-07-20 13:02:49,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 130 transitions. [2020-07-20 13:02:49,681 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 130 transitions. Word has length 52 [2020-07-20 13:02:49,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:49,681 INFO L479 AbstractCegarLoop]: Abstraction has 111 states and 130 transitions. [2020-07-20 13:02:49,681 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 13:02:49,682 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 130 transitions. [2020-07-20 13:02:49,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-20 13:02:49,686 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:49,686 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:02:49,901 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:49,902 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:49,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:49,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1118186443, now seen corresponding path program 1 times [2020-07-20 13:02:49,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:49,904 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [598107831] [2020-07-20 13:02:49,905 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 [2020-07-20 13:02:50,268 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:02:50,268 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:50,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 13:02:50,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:50,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:02:50,324 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:50,325 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [598107831] [2020-07-20 13:02:50,325 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:50,326 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:02:50,326 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491714917] [2020-07-20 13:02:50,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:02:50,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:50,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:02:50,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:02:50,331 INFO L87 Difference]: Start difference. First operand 111 states and 130 transitions. Second operand 3 states. [2020-07-20 13:02:50,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:50,380 INFO L93 Difference]: Finished difference Result 198 states and 239 transitions. [2020-07-20 13:02:50,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:02:50,381 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-07-20 13:02:50,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:50,387 INFO L225 Difference]: With dead ends: 198 [2020-07-20 13:02:50,387 INFO L226 Difference]: Without dead ends: 111 [2020-07-20 13:02:50,391 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:02:50,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-07-20 13:02:50,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-07-20 13:02:50,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-07-20 13:02:50,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 129 transitions. [2020-07-20 13:02:50,420 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 129 transitions. Word has length 53 [2020-07-20 13:02:50,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:50,420 INFO L479 AbstractCegarLoop]: Abstraction has 111 states and 129 transitions. [2020-07-20 13:02:50,420 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:02:50,420 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 129 transitions. [2020-07-20 13:02:50,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-20 13:02:50,423 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:50,423 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:02:50,639 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:50,640 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:50,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:50,641 INFO L82 PathProgramCache]: Analyzing trace with hash -820864254, now seen corresponding path program 1 times [2020-07-20 13:02:50,641 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:50,642 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1919700395] [2020-07-20 13:02:50,642 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 [2020-07-20 13:02:51,053 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:02:51,054 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:51,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 13:02:51,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:51,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:02:51,083 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:51,083 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1919700395] [2020-07-20 13:02:51,084 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:51,084 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:02:51,084 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258412647] [2020-07-20 13:02:51,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:02:51,086 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:51,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:02:51,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:02:51,087 INFO L87 Difference]: Start difference. First operand 111 states and 129 transitions. Second operand 3 states. [2020-07-20 13:02:51,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:51,112 INFO L93 Difference]: Finished difference Result 171 states and 197 transitions. [2020-07-20 13:02:51,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:02:51,114 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-07-20 13:02:51,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:51,116 INFO L225 Difference]: With dead ends: 171 [2020-07-20 13:02:51,116 INFO L226 Difference]: Without dead ends: 102 [2020-07-20 13:02:51,117 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:02:51,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2020-07-20 13:02:51,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2020-07-20 13:02:51,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-07-20 13:02:51,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 117 transitions. [2020-07-20 13:02:51,129 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 117 transitions. Word has length 61 [2020-07-20 13:02:51,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:51,129 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 117 transitions. [2020-07-20 13:02:51,129 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:02:51,129 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 117 transitions. [2020-07-20 13:02:51,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-20 13:02:51,131 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:51,132 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:02:51,346 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:51,347 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:51,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:51,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1834066652, now seen corresponding path program 1 times [2020-07-20 13:02:51,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:51,348 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [817067410] [2020-07-20 13:02:51,348 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 [2020-07-20 13:02:51,785 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:02:51,785 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:51,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 13:02:51,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:51,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:02:51,842 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:51,842 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [817067410] [2020-07-20 13:02:51,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:51,843 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:02:51,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162953628] [2020-07-20 13:02:51,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:02:51,844 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:51,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:02:51,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:02:51,845 INFO L87 Difference]: Start difference. First operand 102 states and 117 transitions. Second operand 6 states. [2020-07-20 13:02:52,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:52,384 INFO L93 Difference]: Finished difference Result 239 states and 283 transitions. [2020-07-20 13:02:52,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 13:02:52,385 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2020-07-20 13:02:52,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:52,391 INFO L225 Difference]: With dead ends: 239 [2020-07-20 13:02:52,391 INFO L226 Difference]: Without dead ends: 161 [2020-07-20 13:02:52,392 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-20 13:02:52,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-07-20 13:02:52,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 158. [2020-07-20 13:02:52,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-07-20 13:02:52,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 180 transitions. [2020-07-20 13:02:52,421 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 180 transitions. Word has length 65 [2020-07-20 13:02:52,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:52,421 INFO L479 AbstractCegarLoop]: Abstraction has 158 states and 180 transitions. [2020-07-20 13:02:52,421 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:02:52,421 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 180 transitions. [2020-07-20 13:02:52,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-07-20 13:02:52,423 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:52,423 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:02:52,638 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:52,639 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:52,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:52,640 INFO L82 PathProgramCache]: Analyzing trace with hash 476831218, now seen corresponding path program 1 times [2020-07-20 13:02:52,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:52,641 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1524423685] [2020-07-20 13:02:52,641 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 [2020-07-20 13:02:53,012 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:02:53,012 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:53,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 712 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-20 13:02:53,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:53,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:02:53,078 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:53,078 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1524423685] [2020-07-20 13:02:53,079 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:53,079 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:02:53,079 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585515190] [2020-07-20 13:02:53,081 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:02:53,081 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:53,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:02:53,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:02:53,083 INFO L87 Difference]: Start difference. First operand 158 states and 180 transitions. Second operand 6 states. [2020-07-20 13:02:53,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:53,344 INFO L93 Difference]: Finished difference Result 411 states and 502 transitions. [2020-07-20 13:02:53,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:02:53,347 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2020-07-20 13:02:53,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:53,357 INFO L225 Difference]: With dead ends: 411 [2020-07-20 13:02:53,358 INFO L226 Difference]: Without dead ends: 277 [2020-07-20 13:02:53,359 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:02:53,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2020-07-20 13:02:53,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 273. [2020-07-20 13:02:53,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2020-07-20 13:02:53,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 321 transitions. [2020-07-20 13:02:53,428 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 321 transitions. Word has length 79 [2020-07-20 13:02:53,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:53,429 INFO L479 AbstractCegarLoop]: Abstraction has 273 states and 321 transitions. [2020-07-20 13:02:53,429 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:02:53,429 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 321 transitions. [2020-07-20 13:02:53,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-20 13:02:53,434 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:53,434 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:02:53,635 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:53,636 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:53,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:53,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1116755065, now seen corresponding path program 1 times [2020-07-20 13:02:53,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:53,637 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2123440908] [2020-07-20 13:02:53,638 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 [2020-07-20 13:02:53,929 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:02:53,929 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:53,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 685 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 13:02:53,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:53,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:02:53,961 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:53,961 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2123440908] [2020-07-20 13:02:53,961 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:53,962 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 13:02:53,962 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373804852] [2020-07-20 13:02:53,963 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 13:02:53,963 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:53,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 13:02:53,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 13:02:53,963 INFO L87 Difference]: Start difference. First operand 273 states and 321 transitions. Second operand 5 states. [2020-07-20 13:02:54,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:54,016 INFO L93 Difference]: Finished difference Result 525 states and 627 transitions. [2020-07-20 13:02:54,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 13:02:54,017 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 83 [2020-07-20 13:02:54,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:54,020 INFO L225 Difference]: With dead ends: 525 [2020-07-20 13:02:54,020 INFO L226 Difference]: Without dead ends: 276 [2020-07-20 13:02:54,021 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 13:02:54,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-07-20 13:02:54,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 273. [2020-07-20 13:02:54,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2020-07-20 13:02:54,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 320 transitions. [2020-07-20 13:02:54,046 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 320 transitions. Word has length 83 [2020-07-20 13:02:54,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:54,046 INFO L479 AbstractCegarLoop]: Abstraction has 273 states and 320 transitions. [2020-07-20 13:02:54,047 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 13:02:54,047 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 320 transitions. [2020-07-20 13:02:54,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-20 13:02:54,048 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:54,049 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:02:54,263 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:54,264 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:54,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:54,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1044368507, now seen corresponding path program 1 times [2020-07-20 13:02:54,265 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:54,266 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [983857400] [2020-07-20 13:02:54,267 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 [2020-07-20 13:02:54,618 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:02:54,619 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:54,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 13:02:54,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:54,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:02:54,660 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:54,660 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [983857400] [2020-07-20 13:02:54,660 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:54,660 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:02:54,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176250034] [2020-07-20 13:02:54,661 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:02:54,661 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:54,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:02:54,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:02:54,662 INFO L87 Difference]: Start difference. First operand 273 states and 320 transitions. Second operand 6 states. [2020-07-20 13:02:54,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:54,715 INFO L93 Difference]: Finished difference Result 495 states and 593 transitions. [2020-07-20 13:02:54,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:02:54,716 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2020-07-20 13:02:54,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:54,718 INFO L225 Difference]: With dead ends: 495 [2020-07-20 13:02:54,718 INFO L226 Difference]: Without dead ends: 246 [2020-07-20 13:02:54,719 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 13:02:54,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-07-20 13:02:54,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 243. [2020-07-20 13:02:54,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-07-20 13:02:54,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 284 transitions. [2020-07-20 13:02:54,740 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 284 transitions. Word has length 83 [2020-07-20 13:02:54,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:54,741 INFO L479 AbstractCegarLoop]: Abstraction has 243 states and 284 transitions. [2020-07-20 13:02:54,741 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:02:54,741 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 284 transitions. [2020-07-20 13:02:54,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-20 13:02:54,742 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:54,743 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:02:54,956 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:54,957 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:54,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:54,957 INFO L82 PathProgramCache]: Analyzing trace with hash 1113116411, now seen corresponding path program 1 times [2020-07-20 13:02:54,958 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:54,958 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [266220019] [2020-07-20 13:02:54,959 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 [2020-07-20 13:02:55,303 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:02:55,304 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:55,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 13:02:55,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:55,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:02:55,349 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:55,349 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [266220019] [2020-07-20 13:02:55,349 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:55,350 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:02:55,350 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183435401] [2020-07-20 13:02:55,350 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:02:55,351 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:55,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:02:55,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:02:55,351 INFO L87 Difference]: Start difference. First operand 243 states and 284 transitions. Second operand 6 states. [2020-07-20 13:02:55,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:55,550 INFO L93 Difference]: Finished difference Result 245 states and 287 transitions. [2020-07-20 13:02:55,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:02:55,550 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2020-07-20 13:02:55,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:55,551 INFO L225 Difference]: With dead ends: 245 [2020-07-20 13:02:55,551 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 13:02:55,555 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:02:55,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 13:02:55,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 13:02:55,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 13:02:55,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 13:02:55,556 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 84 [2020-07-20 13:02:55,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:55,557 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 13:02:55,557 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:02:55,557 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 13:02:55,557 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 13:02:55,757 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:55,761 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 13:02:57,414 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2020-07-20 13:02:57,573 INFO L268 CegarLoopResult]: For program point L321(line 321) no Hoare annotation was computed. [2020-07-20 13:02:57,573 INFO L268 CegarLoopResult]: For program point L320-2(lines 320 341) no Hoare annotation was computed. [2020-07-20 13:02:57,574 INFO L268 CegarLoopResult]: For program point L342(lines 319 343) no Hoare annotation was computed. [2020-07-20 13:02:57,574 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 295 350) no Hoare annotation was computed. [2020-07-20 13:02:57,574 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 295 350) no Hoare annotation was computed. [2020-07-20 13:02:57,574 INFO L268 CegarLoopResult]: For program point L326(lines 326 330) no Hoare annotation was computed. [2020-07-20 13:02:57,574 INFO L268 CegarLoopResult]: For program point L326-1(lines 326 330) no Hoare annotation was computed. [2020-07-20 13:02:57,574 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 295 350) no Hoare annotation was computed. [2020-07-20 13:02:57,574 INFO L268 CegarLoopResult]: For program point L383(lines 383 387) no Hoare annotation was computed. [2020-07-20 13:02:57,575 INFO L268 CegarLoopResult]: For program point L383-1(lines 383 387) no Hoare annotation was computed. [2020-07-20 13:02:57,575 INFO L268 CegarLoopResult]: For program point L378(line 378) no Hoare annotation was computed. [2020-07-20 13:02:57,575 INFO L268 CegarLoopResult]: For program point L377-2(lines 377 402) no Hoare annotation was computed. [2020-07-20 13:02:57,575 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 351 410) no Hoare annotation was computed. [2020-07-20 13:02:57,575 INFO L268 CegarLoopResult]: For program point L403(lines 376 404) no Hoare annotation was computed. [2020-07-20 13:02:57,575 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 351 410) no Hoare annotation was computed. [2020-07-20 13:02:57,575 INFO L268 CegarLoopResult]: For program point L396(line 396) no Hoare annotation was computed. [2020-07-20 13:02:57,575 INFO L268 CegarLoopResult]: For program point L396-1(line 396) no Hoare annotation was computed. [2020-07-20 13:02:57,576 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 351 410) no Hoare annotation was computed. [2020-07-20 13:02:57,576 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 891 897) the Hoare annotation is: true [2020-07-20 13:02:57,576 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 891 897) no Hoare annotation was computed. [2020-07-20 13:02:57,576 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 898 906) no Hoare annotation was computed. [2020-07-20 13:02:57,576 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 898 906) the Hoare annotation is: true [2020-07-20 13:02:57,576 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 898 906) no Hoare annotation was computed. [2020-07-20 13:02:57,577 INFO L264 CegarLoopResult]: At program point L225(line 225) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1))) [2020-07-20 13:02:57,577 INFO L264 CegarLoopResult]: At program point L225-1(line 225) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1))) [2020-07-20 13:02:57,577 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 219 241) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1))) [2020-07-20 13:02:57,577 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 219 241) no Hoare annotation was computed. [2020-07-20 13:02:57,577 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 219 241) no Hoare annotation was computed. [2020-07-20 13:02:57,577 INFO L264 CegarLoopResult]: At program point L231(line 231) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1))) [2020-07-20 13:02:57,578 INFO L264 CegarLoopResult]: At program point L231-1(line 231) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1))) [2020-07-20 13:02:57,578 INFO L268 CegarLoopResult]: For program point L229(lines 229 236) no Hoare annotation was computed. [2020-07-20 13:02:57,578 INFO L268 CegarLoopResult]: For program point L229-1(lines 229 236) no Hoare annotation was computed. [2020-07-20 13:02:57,578 INFO L268 CegarLoopResult]: For program point L227(line 227) no Hoare annotation was computed. [2020-07-20 13:02:57,578 INFO L264 CegarLoopResult]: At program point L226(line 226) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1))) [2020-07-20 13:02:57,578 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-07-20 13:02:57,578 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 174 197) no Hoare annotation was computed. [2020-07-20 13:02:57,578 INFO L268 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-07-20 13:02:57,579 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-20 13:02:57,579 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-07-20 13:02:57,579 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 174 197) no Hoare annotation was computed. [2020-07-20 13:02:57,579 INFO L268 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-07-20 13:02:57,579 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 174 197) no Hoare annotation was computed. [2020-07-20 13:02:57,579 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-20 13:02:57,579 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-07-20 13:02:57,580 INFO L268 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-07-20 13:02:57,580 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-20 13:02:57,580 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-07-20 13:02:57,580 INFO L268 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-07-20 13:02:57,580 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-20 13:02:57,580 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-07-20 13:02:57,580 INFO L268 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-07-20 13:02:57,580 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 774 782) no Hoare annotation was computed. [2020-07-20 13:02:57,580 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 774 782) the Hoare annotation is: true [2020-07-20 13:02:57,581 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 774 782) no Hoare annotation was computed. [2020-07-20 13:02:57,581 INFO L268 CegarLoopResult]: For program point L802-2(lines 802 810) no Hoare annotation was computed. [2020-07-20 13:02:57,581 INFO L268 CegarLoopResult]: For program point L790(lines 790 798) no Hoare annotation was computed. [2020-07-20 13:02:57,581 INFO L268 CegarLoopResult]: For program point L790-2(lines 790 798) no Hoare annotation was computed. [2020-07-20 13:02:57,581 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 783 818) no Hoare annotation was computed. [2020-07-20 13:02:57,581 INFO L268 CegarLoopResult]: For program point L813(line 813) no Hoare annotation was computed. [2020-07-20 13:02:57,581 INFO L268 CegarLoopResult]: For program point L813-1(line 813) no Hoare annotation was computed. [2020-07-20 13:02:57,582 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 783 818) no Hoare annotation was computed. [2020-07-20 13:02:57,582 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 783 818) no Hoare annotation was computed. [2020-07-20 13:02:57,582 INFO L268 CegarLoopResult]: For program point L802(lines 802 810) no Hoare annotation was computed. [2020-07-20 13:02:57,582 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 884 890) no Hoare annotation was computed. [2020-07-20 13:02:57,582 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 884 890) the Hoare annotation is: true [2020-07-20 13:02:57,582 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 249 294) no Hoare annotation was computed. [2020-07-20 13:02:57,582 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 249 294) no Hoare annotation was computed. [2020-07-20 13:02:57,582 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 249 294) no Hoare annotation was computed. [2020-07-20 13:02:57,583 INFO L268 CegarLoopResult]: For program point L576(lines 576 596) no Hoare annotation was computed. [2020-07-20 13:02:57,583 INFO L268 CegarLoopResult]: For program point L576-1(lines 576 596) no Hoare annotation was computed. [2020-07-20 13:02:57,583 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 562 607) no Hoare annotation was computed. [2020-07-20 13:02:57,583 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 562 607) no Hoare annotation was computed. [2020-07-20 13:02:57,583 INFO L268 CegarLoopResult]: For program point L582(lines 582 589) no Hoare annotation was computed. [2020-07-20 13:02:57,583 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 562 607) no Hoare annotation was computed. [2020-07-20 13:02:57,583 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 206 215) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1))) [2020-07-20 13:02:57,584 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 206 215) no Hoare annotation was computed. [2020-07-20 13:02:57,584 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 206 215) no Hoare annotation was computed. [2020-07-20 13:02:57,584 INFO L268 CegarLoopResult]: For program point L768(line 768) no Hoare annotation was computed. [2020-07-20 13:02:57,584 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 763 773) no Hoare annotation was computed. [2020-07-20 13:02:57,584 INFO L268 CegarLoopResult]: For program point L768-1(line 768) no Hoare annotation was computed. [2020-07-20 13:02:57,584 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 763 773) no Hoare annotation was computed. [2020-07-20 13:02:57,584 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 763 773) no Hoare annotation was computed. [2020-07-20 13:02:57,584 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 755 762) no Hoare annotation was computed. [2020-07-20 13:02:57,584 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 755 762) no Hoare annotation was computed. [2020-07-20 13:02:57,585 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 755 762) no Hoare annotation was computed. [2020-07-20 13:02:57,585 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2020-07-20 13:02:57,585 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2020-07-20 13:02:57,585 INFO L268 CegarLoopResult]: For program point L130(lines 130 136) no Hoare annotation was computed. [2020-07-20 13:02:57,585 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2020-07-20 13:02:57,585 INFO L264 CegarLoopResult]: At program point L736(line 736) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|))))) [2020-07-20 13:02:57,585 INFO L264 CegarLoopResult]: At program point L732(line 732) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (let ((.cse1 (= 0 ~pumpRunning~0))) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (<= ~waterLevel~0 1)) (and .cse1 (<= 1 processEnvironment_~tmp~5)))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|))))) [2020-07-20 13:02:57,586 INFO L268 CegarLoopResult]: For program point L730(lines 730 738) no Hoare annotation was computed. [2020-07-20 13:02:57,586 INFO L264 CegarLoopResult]: At program point L728(line 728) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|))))) [2020-07-20 13:02:57,586 INFO L268 CegarLoopResult]: For program point L728-1(line 728) no Hoare annotation was computed. [2020-07-20 13:02:57,586 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 722 746) no Hoare annotation was computed. [2020-07-20 13:02:57,586 INFO L268 CegarLoopResult]: For program point L726(lines 726 743) no Hoare annotation was computed. [2020-07-20 13:02:57,586 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 722 746) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|))))) [2020-07-20 13:02:57,587 INFO L264 CegarLoopResult]: At program point L741(line 741) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|))))) [2020-07-20 13:02:57,587 INFO L268 CegarLoopResult]: For program point L741-1(lines 722 746) no Hoare annotation was computed. [2020-07-20 13:02:57,587 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 714 720) no Hoare annotation was computed. [2020-07-20 13:02:57,587 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 714 720) the Hoare annotation is: true [2020-07-20 13:02:57,587 INFO L264 CegarLoopResult]: At program point L640(line 640) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and .cse0 (<= 1 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0))) [2020-07-20 13:02:57,587 INFO L264 CegarLoopResult]: At program point testENTRY(lines 618 681) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1))) [2020-07-20 13:02:57,588 INFO L264 CegarLoopResult]: At program point L671(lines 628 673) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and .cse0 (<= 1 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0))) [2020-07-20 13:02:57,588 INFO L268 CegarLoopResult]: For program point L638(lines 638 644) no Hoare annotation was computed. [2020-07-20 13:02:57,588 INFO L268 CegarLoopResult]: For program point L638-1(lines 638 644) no Hoare annotation was computed. [2020-07-20 13:02:57,588 INFO L268 CegarLoopResult]: For program point testFINAL(lines 618 681) no Hoare annotation was computed. [2020-07-20 13:02:57,588 INFO L268 CegarLoopResult]: For program point L630(lines 630 634) no Hoare annotation was computed. [2020-07-20 13:02:57,588 INFO L264 CegarLoopResult]: At program point L674(lines 627 675) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-20 13:02:57,589 INFO L268 CegarLoopResult]: For program point L664(lines 664 668) no Hoare annotation was computed. [2020-07-20 13:02:57,589 INFO L264 CegarLoopResult]: At program point L664-2(lines 658 669) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and .cse0 (<= 1 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0))) [2020-07-20 13:02:57,589 INFO L268 CegarLoopResult]: For program point L629(lines 628 673) no Hoare annotation was computed. [2020-07-20 13:02:57,589 INFO L268 CegarLoopResult]: For program point L658(lines 658 669) no Hoare annotation was computed. [2020-07-20 13:02:57,589 INFO L264 CegarLoopResult]: At program point L650(line 650) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and .cse0 (<= 1 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0))) [2020-07-20 13:02:57,589 INFO L268 CegarLoopResult]: For program point L648(lines 648 654) no Hoare annotation was computed. [2020-07-20 13:02:57,589 INFO L268 CegarLoopResult]: For program point L648-1(lines 648 654) no Hoare annotation was computed. [2020-07-20 13:02:57,590 INFO L268 CegarLoopResult]: For program point testEXIT(lines 618 681) no Hoare annotation was computed. [2020-07-20 13:02:57,590 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 516 561) no Hoare annotation was computed. [2020-07-20 13:02:57,590 INFO L268 CegarLoopResult]: For program point L536(lines 536 543) no Hoare annotation was computed. [2020-07-20 13:02:57,590 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 516 561) no Hoare annotation was computed. [2020-07-20 13:02:57,590 INFO L268 CegarLoopResult]: For program point L530(lines 530 550) no Hoare annotation was computed. [2020-07-20 13:02:57,590 INFO L268 CegarLoopResult]: For program point L530-1(lines 530 550) no Hoare annotation was computed. [2020-07-20 13:02:57,590 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 516 561) no Hoare annotation was computed. [2020-07-20 13:02:57,590 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-07-20 13:02:57,590 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-07-20 13:02:57,590 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-07-20 13:02:57,591 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-07-20 13:02:57,591 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-07-20 13:02:57,591 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 413 515) no Hoare annotation was computed. [2020-07-20 13:02:57,591 INFO L268 CegarLoopResult]: For program point L442(lines 442 458) no Hoare annotation was computed. [2020-07-20 13:02:57,591 INFO L268 CegarLoopResult]: For program point L502(lines 502 509) no Hoare annotation was computed. [2020-07-20 13:02:57,591 INFO L268 CegarLoopResult]: For program point L463(lines 462 482) no Hoare annotation was computed. [2020-07-20 13:02:57,591 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-20 13:02:57,591 INFO L268 CegarLoopResult]: For program point L494-1(line 494) no Hoare annotation was computed. [2020-07-20 13:02:57,592 INFO L268 CegarLoopResult]: For program point L459(lines 459 500) no Hoare annotation was computed. [2020-07-20 13:02:57,592 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 413 515) no Hoare annotation was computed. [2020-07-20 13:02:57,592 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-20 13:02:57,592 INFO L268 CegarLoopResult]: For program point L478-1(line 478) no Hoare annotation was computed. [2020-07-20 13:02:57,592 INFO L268 CegarLoopResult]: For program point L437(lines 437 441) no Hoare annotation was computed. [2020-07-20 13:02:57,592 INFO L268 CegarLoopResult]: For program point L501(lines 501 512) no Hoare annotation was computed. [2020-07-20 13:02:57,592 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 413 515) no Hoare annotation was computed. [2020-07-20 13:02:57,592 INFO L268 CegarLoopResult]: For program point L464(lines 464 468) no Hoare annotation was computed. [2020-07-20 13:02:57,593 INFO L268 CegarLoopResult]: For program point L462-2(lines 462 482) no Hoare annotation was computed. [2020-07-20 13:02:57,593 INFO L268 CegarLoopResult]: For program point L483(lines 461 484) no Hoare annotation was computed. [2020-07-20 13:02:57,593 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 874 883) no Hoare annotation was computed. [2020-07-20 13:02:57,593 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 874 883) no Hoare annotation was computed. [2020-07-20 13:02:57,593 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 874 883) no Hoare annotation was computed. [2020-07-20 13:02:57,593 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:02:57,593 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2020-07-20 13:02:57,593 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:02:57,593 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 747 754) no Hoare annotation was computed. [2020-07-20 13:02:57,594 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 747 754) no Hoare annotation was computed. [2020-07-20 13:02:57,594 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 747 754) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 13:02:57,594 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2020-07-20 13:02:57,594 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-07-20 13:02:57,594 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-07-20 13:02:57,594 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 819 837) no Hoare annotation was computed. [2020-07-20 13:02:57,594 INFO L268 CegarLoopResult]: For program point L828(lines 828 832) no Hoare annotation was computed. [2020-07-20 13:02:57,594 INFO L271 CegarLoopResult]: At program point L826(line 826) the Hoare annotation is: true [2020-07-20 13:02:57,594 INFO L268 CegarLoopResult]: For program point L828-2(lines 828 832) no Hoare annotation was computed. [2020-07-20 13:02:57,594 INFO L268 CegarLoopResult]: For program point L826-1(line 826) no Hoare annotation was computed. [2020-07-20 13:02:57,594 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 819 837) the Hoare annotation is: true [2020-07-20 13:02:57,594 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 819 837) no Hoare annotation was computed. [2020-07-20 13:02:57,594 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-07-20 13:02:57,595 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2020-07-20 13:02:57,595 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-07-20 13:02:57,595 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:02:57,595 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 13:02:57,595 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:02:57,595 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-07-20 13:02:57,595 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-07-20 13:02:57,595 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-07-20 13:02:57,595 INFO L264 CegarLoopResult]: At program point L703(line 703) the Hoare annotation is: (let ((.cse2 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (<= ~waterLevel~0 1)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (= 0 ~pumpRunning~0)) (or .cse2 .cse0 .cse3 .cse4) (or .cse2 .cse0 .cse1 .cse4) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3))) [2020-07-20 13:02:57,595 INFO L264 CegarLoopResult]: At program point L701(lines 701 707) the Hoare annotation is: (let ((.cse3 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (<= ~waterLevel~0 1)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (and (= 0 ~pumpRunning~0) .cse2) (<= 1 ~pumpRunning~0)) (or .cse3 .cse0 .cse4 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4))) [2020-07-20 13:02:57,595 INFO L264 CegarLoopResult]: At program point L696(line 696) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 (<= ~waterLevel~0 1)) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1))) [2020-07-20 13:02:57,596 INFO L268 CegarLoopResult]: For program point L694(lines 693 712) no Hoare annotation was computed. [2020-07-20 13:02:57,596 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 690 713) the Hoare annotation is: (let ((.cse2 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (<= ~waterLevel~0 1)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (= 0 ~pumpRunning~0)) (or .cse2 .cse0 .cse3 .cse4) (or .cse2 .cse0 .cse1 .cse4) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3))) [2020-07-20 13:02:57,596 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 690 713) no Hoare annotation was computed. [2020-07-20 13:02:57,596 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 690 713) no Hoare annotation was computed. [2020-07-20 13:02:57,596 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 143 172) no Hoare annotation was computed. [2020-07-20 13:02:57,596 INFO L268 CegarLoopResult]: For program point L157(lines 157 161) no Hoare annotation was computed. [2020-07-20 13:02:57,596 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 143 172) the Hoare annotation is: true [2020-07-20 13:02:57,597 INFO L271 CegarLoopResult]: At program point L157-1(lines 157 161) the Hoare annotation is: true [2020-07-20 13:02:57,597 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-20 13:02:57,597 INFO L271 CegarLoopResult]: At program point L153-2(lines 153 167) the Hoare annotation is: true [2020-07-20 13:02:57,597 INFO L271 CegarLoopResult]: At program point L149(line 149) the Hoare annotation is: true [2020-07-20 13:02:57,597 INFO L268 CegarLoopResult]: For program point L149-1(line 149) no Hoare annotation was computed. [2020-07-20 13:02:57,597 INFO L271 CegarLoopResult]: At program point L168(lines 143 172) the Hoare annotation is: true [2020-07-20 13:02:57,597 INFO L268 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-07-20 13:02:57,597 INFO L264 CegarLoopResult]: At program point L862(line 862) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~pumpRunning~0))) (or .cse0 (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0))))) [2020-07-20 13:02:57,597 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification3_spec__1EXIT(lines 839 871) no Hoare annotation was computed. [2020-07-20 13:02:57,598 INFO L268 CegarLoopResult]: For program point L858(lines 858 864) no Hoare annotation was computed. [2020-07-20 13:02:57,598 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 839 871) the Hoare annotation is: true [2020-07-20 13:02:57,598 INFO L264 CegarLoopResult]: At program point L856(line 856) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 (not (<= 1 ~pumpRunning~0))))) [2020-07-20 13:02:57,598 INFO L268 CegarLoopResult]: For program point L856-1(line 856) no Hoare annotation was computed. [2020-07-20 13:02:57,598 INFO L268 CegarLoopResult]: For program point L854(lines 854 867) no Hoare annotation was computed. [2020-07-20 13:02:57,598 INFO L268 CegarLoopResult]: For program point L854-1(lines 839 871) no Hoare annotation was computed. [2020-07-20 13:02:57,598 INFO L271 CegarLoopResult]: At program point L852(line 852) the Hoare annotation is: true [2020-07-20 13:02:57,599 INFO L268 CegarLoopResult]: For program point L852-1(line 852) no Hoare annotation was computed. [2020-07-20 13:02:57,599 INFO L268 CegarLoopResult]: For program point L848(lines 848 868) no Hoare annotation was computed. [2020-07-20 13:02:57,599 INFO L271 CegarLoopResult]: At program point L846(line 846) the Hoare annotation is: true [2020-07-20 13:02:57,599 INFO L268 CegarLoopResult]: For program point L846-1(line 846) no Hoare annotation was computed. [2020-07-20 13:02:57,599 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (<= ~waterLevel~0 1) (not (<= 1 ~pumpRunning~0))) [2020-07-20 13:02:57,599 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-07-20 13:02:57,599 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-07-20 13:02:57,599 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 198 204) no Hoare annotation was computed. [2020-07-20 13:02:57,600 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 198 204) the Hoare annotation is: true [2020-07-20 13:02:57,600 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:02:57,600 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 13:02:57,600 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 13:02:57,600 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:02:57,600 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-07-20 13:02:57,600 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-07-20 13:02:57,601 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 .cse2 (not (<= 1 ~pumpRunning~0))))) [2020-07-20 13:02:57,601 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 609 616) no Hoare annotation was computed. [2020-07-20 13:02:57,601 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 613) no Hoare annotation was computed. [2020-07-20 13:02:57,601 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 609 616) the Hoare annotation is: true [2020-07-20 13:02:57,601 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 609 616) no Hoare annotation was computed. [2020-07-20 13:02:57,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:02:57 BoogieIcfgContainer [2020-07-20 13:02:57,617 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 13:02:57,619 INFO L168 Benchmark]: Toolchain (without parser) took 10688.05 ms. Allocated memory was 137.9 MB in the beginning and 311.4 MB in the end (delta: 173.5 MB). Free memory was 100.5 MB in the beginning and 252.1 MB in the end (delta: -151.6 MB). Peak memory consumption was 186.7 MB. Max. memory is 7.1 GB. [2020-07-20 13:02:57,620 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 13:02:57,621 INFO L168 Benchmark]: CACSL2BoogieTranslator took 608.36 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 100.1 MB in the beginning and 170.7 MB in the end (delta: -70.6 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2020-07-20 13:02:57,622 INFO L168 Benchmark]: Boogie Preprocessor took 102.28 ms. Allocated memory is still 202.4 MB. Free memory was 170.7 MB in the beginning and 166.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-20 13:02:57,623 INFO L168 Benchmark]: RCFGBuilder took 1200.19 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 166.4 MB in the beginning and 198.6 MB in the end (delta: -32.3 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. [2020-07-20 13:02:57,624 INFO L168 Benchmark]: TraceAbstraction took 8767.67 ms. Allocated memory was 234.9 MB in the beginning and 311.4 MB in the end (delta: 76.5 MB). Free memory was 198.6 MB in the beginning and 252.1 MB in the end (delta: -53.5 MB). Peak memory consumption was 187.8 MB. Max. memory is 7.1 GB. [2020-07-20 13:02:57,628 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 137.9 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 608.36 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 100.1 MB in the beginning and 170.7 MB in the end (delta: -70.6 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.28 ms. Allocated memory is still 202.4 MB. Free memory was 170.7 MB in the beginning and 166.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1200.19 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 166.4 MB in the beginning and 198.6 MB in the end (delta: -32.3 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8767.67 ms. Allocated memory was 234.9 MB in the beginning and 311.4 MB in the end (delta: 76.5 MB). Free memory was 198.6 MB in the beginning and 252.1 MB in the end (delta: -53.5 MB). Peak memory consumption was 187.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 613]: 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: 628]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) <= 1) || !(1 <= systemActive)) || (splverifierCounter <= 0 && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && waterLevel <= 1) && splverifierCounter <= 0) - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= systemActive) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 218 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.8s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1072 SDtfs, 392 SDslu, 1980 SDs, 0 SdLazy, 426 SolverSat, 98 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 559 GetRequests, 532 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=273occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 13 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 499 PreInvPairs, 533 NumberOfFragments, 777 HoareAnnotationTreeSize, 499 FomulaSimplifications, 183 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 51 FomulaSimplificationsInter, 1662 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 560 NumberOfCodeBlocks, 469 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 552 ConstructedInterpolants, 0 QuantifiedInterpolants, 62430 SizeOfPredicates, 16 NumberOfNonLiveVariables, 5360 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...