/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 10:42:32,584 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 10:42:32,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 10:42:32,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 10:42:32,604 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 10:42:32,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 10:42:32,608 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 10:42:32,611 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 10:42:32,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 10:42:32,614 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 10:42:32,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 10:42:32,616 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 10:42:32,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 10:42:32,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 10:42:32,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 10:42:32,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 10:42:32,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 10:42:32,621 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 10:42:32,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 10:42:32,625 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 10:42:32,627 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 10:42:32,628 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 10:42:32,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 10:42:32,630 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 10:42:32,632 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 10:42:32,633 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 10:42:32,633 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 10:42:32,634 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 10:42:32,634 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 10:42:32,635 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 10:42:32,635 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 10:42:32,636 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 10:42:32,637 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 10:42:32,638 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 10:42:32,639 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 10:42:32,639 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 10:42:32,640 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 10:42:32,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 10:42:32,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 10:42:32,641 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 10:42:32,642 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 10:42:32,642 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 10:42:32,657 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 10:42:32,657 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 10:42:32,658 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 10:42:32,658 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 10:42:32,659 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 10:42:32,659 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 10:42:32,659 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 10:42:32,659 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 10:42:32,659 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 10:42:32,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 10:42:32,660 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 10:42:32,660 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 10:42:32,660 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 10:42:32,660 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 10:42:32,661 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 10:42:32,661 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 10:42:32,661 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 10:42:32,661 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 10:42:32,661 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 10:42:32,662 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 10:42:32,662 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 10:42:32,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 10:42:32,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 10:42:32,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 10:42:32,663 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 10:42:32,663 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 10:42:32,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:32,663 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 10:42:32,663 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 10:42:32,664 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-20 10:42:32,933 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 10:42:32,950 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 10:42:32,954 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 10:42:32,955 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 10:42:32,956 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 10:42:32,956 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product04.cil.c [2020-07-20 10:42:33,029 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ef50547f/26f99b07ed584d11a11ea083c0b340f3/FLAGb466de892 [2020-07-20 10:42:33,552 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 10:42:33,553 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product04.cil.c [2020-07-20 10:42:33,565 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ef50547f/26f99b07ed584d11a11ea083c0b340f3/FLAGb466de892 [2020-07-20 10:42:33,875 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ef50547f/26f99b07ed584d11a11ea083c0b340f3 [2020-07-20 10:42:33,886 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 10:42:33,889 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 10:42:33,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 10:42:33,894 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 10:42:33,898 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 10:42:33,899 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:42:33" (1/1) ... [2020-07-20 10:42:33,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74274924 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:33, skipping insertion in model container [2020-07-20 10:42:33,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:42:33" (1/1) ... [2020-07-20 10:42:33,911 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 10:42:33,971 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 10:42:34,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:42:34,451 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 10:42:34,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:42:34,571 INFO L208 MainTranslator]: Completed translation [2020-07-20 10:42:34,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:34 WrapperNode [2020-07-20 10:42:34,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 10:42:34,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 10:42:34,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 10:42:34,573 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 10:42:34,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:34" (1/1) ... [2020-07-20 10:42:34,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:34" (1/1) ... [2020-07-20 10:42:34,603 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:34" (1/1) ... [2020-07-20 10:42:34,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:34" (1/1) ... [2020-07-20 10:42:34,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:34" (1/1) ... [2020-07-20 10:42:34,644 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:34" (1/1) ... [2020-07-20 10:42:34,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:34" (1/1) ... [2020-07-20 10:42:34,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 10:42:34,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 10:42:34,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 10:42:34,663 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 10:42:34,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:34" (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 10:42:34,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 10:42:34,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 10:42:34,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 10:42:34,731 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 10:42:34,731 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 10:42:34,731 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 10:42:34,732 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 10:42:34,732 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 10:42:34,732 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 10:42:34,732 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 10:42:34,732 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 10:42:34,732 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 10:42:34,733 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 10:42:34,733 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 10:42:34,733 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 10:42:34,733 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 10:42:34,733 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 10:42:34,733 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 10:42:34,734 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 10:42:34,734 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 10:42:34,734 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 10:42:34,734 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 10:42:34,734 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 10:42:34,734 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 10:42:34,735 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 10:42:34,735 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 10:42:34,735 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 10:42:34,735 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 10:42:34,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 10:42:34,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 10:42:34,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 10:42:34,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 10:42:34,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 10:42:34,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 10:42:34,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 10:42:34,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-20 10:42:34,736 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 10:42:34,737 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 10:42:34,737 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 10:42:34,737 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 10:42:34,737 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 10:42:34,737 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 10:42:34,737 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 10:42:34,738 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 10:42:34,738 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 10:42:34,738 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 10:42:34,738 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 10:42:34,738 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 10:42:34,738 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 10:42:34,738 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 10:42:34,739 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 10:42:34,739 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 10:42:34,739 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 10:42:34,739 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 10:42:34,739 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 10:42:34,739 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 10:42:34,739 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 10:42:34,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 10:42:34,740 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 10:42:34,740 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 10:42:34,740 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 10:42:34,740 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 10:42:34,740 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 10:42:34,741 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-20 10:42:34,741 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 10:42:34,741 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 10:42:34,741 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 10:42:34,741 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 10:42:34,741 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 10:42:34,742 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 10:42:34,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 10:42:34,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 10:42:34,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 10:42:34,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 10:42:34,742 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 10:42:34,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 10:42:34,743 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 10:42:34,743 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 10:42:34,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 10:42:34,743 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 10:42:34,743 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 10:42:34,743 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 10:42:34,744 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 10:42:34,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 10:42:34,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 10:42:34,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 10:42:35,798 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 10:42:35,799 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 10:42:35,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:42:35 BoogieIcfgContainer [2020-07-20 10:42:35,806 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 10:42:35,808 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 10:42:35,808 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 10:42:35,812 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 10:42:35,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:42:33" (1/3) ... [2020-07-20 10:42:35,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a9dd485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:42:35, skipping insertion in model container [2020-07-20 10:42:35,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:34" (2/3) ... [2020-07-20 10:42:35,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a9dd485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:42:35, skipping insertion in model container [2020-07-20 10:42:35,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:42:35" (3/3) ... [2020-07-20 10:42:35,833 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product04.cil.c [2020-07-20 10:42:35,844 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 10:42:35,853 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 10:42:35,868 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 10:42:35,897 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 10:42:35,897 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 10:42:35,897 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 10:42:35,897 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 10:42:35,898 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 10:42:35,898 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 10:42:35,898 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 10:42:35,898 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 10:42:35,921 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2020-07-20 10:42:35,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-20 10:42:35,930 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:42:35,931 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] [2020-07-20 10:42:35,932 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:42:35,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:42:35,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1078669538, now seen corresponding path program 1 times [2020-07-20 10:42:35,948 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:42:35,948 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [986373788] [2020-07-20 10:42:35,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:36,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:42:36,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 10:42:36,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:42:36,234 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 10:42:36,234 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:42:36,236 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [986373788] [2020-07-20 10:42:36,237 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:42:36,237 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 10:42:36,238 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245429206] [2020-07-20 10:42:36,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 10:42:36,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:42:36,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 10:42:36,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:42:36,261 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 2 states. [2020-07-20 10:42:36,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:42:36,316 INFO L93 Difference]: Finished difference Result 188 states and 233 transitions. [2020-07-20 10:42:36,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 10:42:36,317 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-20 10:42:36,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:42:36,329 INFO L225 Difference]: With dead ends: 188 [2020-07-20 10:42:36,329 INFO L226 Difference]: Without dead ends: 94 [2020-07-20 10:42:36,333 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 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 10:42:36,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-07-20 10:42:36,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2020-07-20 10:42:36,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-07-20 10:42:36,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 108 transitions. [2020-07-20 10:42:36,384 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 108 transitions. Word has length 46 [2020-07-20 10:42:36,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:42:36,384 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 108 transitions. [2020-07-20 10:42:36,384 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 10:42:36,385 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2020-07-20 10:42:36,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-20 10:42:36,388 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:42:36,388 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] [2020-07-20 10:42:36,603 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:36,603 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:42:36,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:42:36,604 INFO L82 PathProgramCache]: Analyzing trace with hash -352011727, now seen corresponding path program 1 times [2020-07-20 10:42:36,605 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:42:36,605 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1756919552] [2020-07-20 10:42:36,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:36,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:42:36,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 10:42:36,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:42:36,841 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 10:42:36,841 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:42:36,842 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1756919552] [2020-07-20 10:42:36,842 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:42:36,842 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:42:36,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420899464] [2020-07-20 10:42:36,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:42:36,845 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:42:36,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:42:36,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:42:36,846 INFO L87 Difference]: Start difference. First operand 94 states and 108 transitions. Second operand 3 states. [2020-07-20 10:42:36,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:42:36,864 INFO L93 Difference]: Finished difference Result 124 states and 141 transitions. [2020-07-20 10:42:36,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:42:36,865 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-20 10:42:36,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:42:36,867 INFO L225 Difference]: With dead ends: 124 [2020-07-20 10:42:36,868 INFO L226 Difference]: Without dead ends: 85 [2020-07-20 10:42:36,869 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 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 10:42:36,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-07-20 10:42:36,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2020-07-20 10:42:36,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-07-20 10:42:36,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 96 transitions. [2020-07-20 10:42:36,883 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 96 transitions. Word has length 47 [2020-07-20 10:42:36,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:42:36,884 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 96 transitions. [2020-07-20 10:42:36,884 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:42:36,884 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2020-07-20 10:42:36,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 10:42:36,886 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:42:36,887 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 10:42:37,100 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:37,101 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:42:37,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:42:37,104 INFO L82 PathProgramCache]: Analyzing trace with hash -1517693929, now seen corresponding path program 1 times [2020-07-20 10:42:37,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:42:37,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [524777773] [2020-07-20 10:42:37,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:37,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:42:37,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 660 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 10:42:37,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:42:37,367 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 10:42:37,368 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:42:37,368 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [524777773] [2020-07-20 10:42:37,368 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:42:37,368 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:42:37,370 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851449079] [2020-07-20 10:42:37,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:42:37,371 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:42:37,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:42:37,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:42:37,372 INFO L87 Difference]: Start difference. First operand 85 states and 96 transitions. Second operand 3 states. [2020-07-20 10:42:37,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:42:37,407 INFO L93 Difference]: Finished difference Result 203 states and 239 transitions. [2020-07-20 10:42:37,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:42:37,408 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 10:42:37,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:42:37,410 INFO L225 Difference]: With dead ends: 203 [2020-07-20 10:42:37,410 INFO L226 Difference]: Without dead ends: 142 [2020-07-20 10:42:37,411 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:42:37,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-07-20 10:42:37,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 130. [2020-07-20 10:42:37,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-07-20 10:42:37,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 151 transitions. [2020-07-20 10:42:37,431 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 151 transitions. Word has length 52 [2020-07-20 10:42:37,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:42:37,432 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 151 transitions. [2020-07-20 10:42:37,432 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:42:37,432 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 151 transitions. [2020-07-20 10:42:37,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-07-20 10:42:37,434 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:42:37,434 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] [2020-07-20 10:42:37,647 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:37,648 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:42:37,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:42:37,649 INFO L82 PathProgramCache]: Analyzing trace with hash 818013324, now seen corresponding path program 1 times [2020-07-20 10:42:37,649 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:42:37,649 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2051438206] [2020-07-20 10:42:37,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:42:37,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-20 10:42:37,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:42:37,867 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 10:42:37,867 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:42:37,868 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2051438206] [2020-07-20 10:42:37,868 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:42:37,868 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:42:37,868 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001852072] [2020-07-20 10:42:37,869 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:42:37,869 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:42:37,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:42:37,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:42:37,870 INFO L87 Difference]: Start difference. First operand 130 states and 151 transitions. Second operand 6 states. [2020-07-20 10:42:38,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:42:38,090 INFO L93 Difference]: Finished difference Result 323 states and 397 transitions. [2020-07-20 10:42:38,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 10:42:38,091 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2020-07-20 10:42:38,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:42:38,094 INFO L225 Difference]: With dead ends: 323 [2020-07-20 10:42:38,094 INFO L226 Difference]: Without dead ends: 217 [2020-07-20 10:42:38,096 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 50 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 10:42:38,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2020-07-20 10:42:38,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2020-07-20 10:42:38,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-07-20 10:42:38,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 260 transitions. [2020-07-20 10:42:38,120 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 260 transitions. Word has length 55 [2020-07-20 10:42:38,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:42:38,120 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 260 transitions. [2020-07-20 10:42:38,120 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:42:38,120 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 260 transitions. [2020-07-20 10:42:38,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 10:42:38,123 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:42:38,123 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] [2020-07-20 10:42:38,336 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:38,338 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:42:38,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:42:38,339 INFO L82 PathProgramCache]: Analyzing trace with hash 514323110, now seen corresponding path program 1 times [2020-07-20 10:42:38,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:42:38,340 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [459686827] [2020-07-20 10:42:38,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:38,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:42:38,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 673 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-20 10:42:38,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:42:38,578 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 10:42:38,579 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:42:38,579 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [459686827] [2020-07-20 10:42:38,579 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:42:38,579 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:42:38,580 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462463547] [2020-07-20 10:42:38,580 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:42:38,580 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:42:38,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:42:38,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:42:38,581 INFO L87 Difference]: Start difference. First operand 217 states and 260 transitions. Second operand 6 states. [2020-07-20 10:42:38,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:42:38,761 INFO L93 Difference]: Finished difference Result 296 states and 358 transitions. [2020-07-20 10:42:38,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:42:38,761 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2020-07-20 10:42:38,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:42:38,762 INFO L225 Difference]: With dead ends: 296 [2020-07-20 10:42:38,762 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 10:42:38,764 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:42:38,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 10:42:38,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 10:42:38,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 10:42:38,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 10:42:38,765 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2020-07-20 10:42:38,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:42:38,766 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 10:42:38,766 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:42:38,766 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 10:42:38,766 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 10:42:38,976 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:38,979 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 10:42:39,719 INFO L268 CegarLoopResult]: For program point L545-2(lines 545 566) no Hoare annotation was computed. [2020-07-20 10:42:39,719 INFO L268 CegarLoopResult]: For program point L567(lines 544 568) no Hoare annotation was computed. [2020-07-20 10:42:39,719 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 520 575) no Hoare annotation was computed. [2020-07-20 10:42:39,720 INFO L268 CegarLoopResult]: For program point L551(lines 551 555) no Hoare annotation was computed. [2020-07-20 10:42:39,720 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 520 575) no Hoare annotation was computed. [2020-07-20 10:42:39,720 INFO L268 CegarLoopResult]: For program point L551-1(lines 551 555) no Hoare annotation was computed. [2020-07-20 10:42:39,720 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 520 575) no Hoare annotation was computed. [2020-07-20 10:42:39,720 INFO L268 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-07-20 10:42:39,720 INFO L268 CegarLoopResult]: For program point L608(lines 608 612) no Hoare annotation was computed. [2020-07-20 10:42:39,720 INFO L268 CegarLoopResult]: For program point L608-1(lines 608 612) no Hoare annotation was computed. [2020-07-20 10:42:39,720 INFO L268 CegarLoopResult]: For program point L603(line 603) no Hoare annotation was computed. [2020-07-20 10:42:39,721 INFO L268 CegarLoopResult]: For program point L602-2(lines 602 627) no Hoare annotation was computed. [2020-07-20 10:42:39,721 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 576 635) no Hoare annotation was computed. [2020-07-20 10:42:39,721 INFO L268 CegarLoopResult]: For program point L628(lines 601 629) no Hoare annotation was computed. [2020-07-20 10:42:39,721 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 576 635) no Hoare annotation was computed. [2020-07-20 10:42:39,721 INFO L268 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2020-07-20 10:42:39,721 INFO L268 CegarLoopResult]: For program point L621-1(line 621) no Hoare annotation was computed. [2020-07-20 10:42:39,721 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 576 635) no Hoare annotation was computed. [2020-07-20 10:42:39,722 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 162 168) the Hoare annotation is: true [2020-07-20 10:42:39,722 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 162 168) no Hoare annotation was computed. [2020-07-20 10:42:39,723 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 169 177) no Hoare annotation was computed. [2020-07-20 10:42:39,723 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 169 177) the Hoare annotation is: true [2020-07-20 10:42:39,723 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 169 177) no Hoare annotation was computed. [2020-07-20 10:42:39,723 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 843 867) the Hoare annotation is: true [2020-07-20 10:42:39,723 INFO L264 CegarLoopResult]: At program point L857(line 857) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0))) [2020-07-20 10:42:39,723 INFO L268 CegarLoopResult]: For program point L855(lines 855 861) no Hoare annotation was computed. [2020-07-20 10:42:39,724 INFO L264 CegarLoopResult]: At program point L853(line 853) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0))) [2020-07-20 10:42:39,724 INFO L268 CegarLoopResult]: For program point L853-1(line 853) no Hoare annotation was computed. [2020-07-20 10:42:39,724 INFO L268 CegarLoopResult]: For program point L851(lines 851 864) no Hoare annotation was computed. [2020-07-20 10:42:39,724 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 843 867) no Hoare annotation was computed. [2020-07-20 10:42:39,724 INFO L268 CegarLoopResult]: For program point L851-1(lines 843 867) no Hoare annotation was computed. [2020-07-20 10:42:39,724 INFO L271 CegarLoopResult]: At program point L849(line 849) the Hoare annotation is: true [2020-07-20 10:42:39,724 INFO L268 CegarLoopResult]: For program point L849-1(line 849) no Hoare annotation was computed. [2020-07-20 10:42:39,724 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2020-07-20 10:42:39,725 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-07-20 10:42:39,726 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:42:39,726 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:42:39,726 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:42:39,728 INFO L264 CegarLoopResult]: At program point L126-1(line 126) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:42:39,728 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2020-07-20 10:42:39,728 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2020-07-20 10:42:39,729 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:42:39,729 INFO L264 CegarLoopResult]: At program point L132-1(line 132) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:42:39,729 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-07-20 10:42:39,729 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-07-20 10:42:39,729 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-07-20 10:42:39,729 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-07-20 10:42:39,730 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-07-20 10:42:39,730 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-07-20 10:42:39,730 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-20 10:42:39,730 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-07-20 10:42:39,730 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-07-20 10:42:39,730 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-20 10:42:39,730 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-07-20 10:42:39,730 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-07-20 10:42:39,731 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-20 10:42:39,731 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-07-20 10:42:39,731 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-07-20 10:42:39,731 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-20 10:42:39,734 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-07-20 10:42:39,734 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-07-20 10:42:39,734 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 375 389) no Hoare annotation was computed. [2020-07-20 10:42:39,734 INFO L264 CegarLoopResult]: At program point L381(line 381) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0))) [2020-07-20 10:42:39,735 INFO L268 CegarLoopResult]: For program point L379(lines 379 385) no Hoare annotation was computed. [2020-07-20 10:42:39,736 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 375 389) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 10:42:39,736 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 375 389) no Hoare annotation was computed. [2020-07-20 10:42:39,736 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 330 338) no Hoare annotation was computed. [2020-07-20 10:42:39,736 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 330 338) the Hoare annotation is: true [2020-07-20 10:42:39,736 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 330 338) no Hoare annotation was computed. [2020-07-20 10:42:39,736 INFO L268 CegarLoopResult]: For program point L346(lines 346 354) no Hoare annotation was computed. [2020-07-20 10:42:39,737 INFO L268 CegarLoopResult]: For program point L346-2(lines 346 354) no Hoare annotation was computed. [2020-07-20 10:42:39,737 INFO L268 CegarLoopResult]: For program point L369(line 369) no Hoare annotation was computed. [2020-07-20 10:42:39,737 INFO L268 CegarLoopResult]: For program point L369-1(line 369) no Hoare annotation was computed. [2020-07-20 10:42:39,737 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 339 374) no Hoare annotation was computed. [2020-07-20 10:42:39,737 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 339 374) no Hoare annotation was computed. [2020-07-20 10:42:39,737 INFO L268 CegarLoopResult]: For program point L358(lines 358 366) no Hoare annotation was computed. [2020-07-20 10:42:39,737 INFO L268 CegarLoopResult]: For program point L358-2(lines 358 366) no Hoare annotation was computed. [2020-07-20 10:42:39,737 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 339 374) no Hoare annotation was computed. [2020-07-20 10:42:39,738 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 155 161) no Hoare annotation was computed. [2020-07-20 10:42:39,738 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 155 161) the Hoare annotation is: true [2020-07-20 10:42:39,738 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 474 519) no Hoare annotation was computed. [2020-07-20 10:42:39,744 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 474 519) no Hoare annotation was computed. [2020-07-20 10:42:39,745 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 474 519) no Hoare annotation was computed. [2020-07-20 10:42:39,745 INFO L268 CegarLoopResult]: For program point L801(lines 801 821) no Hoare annotation was computed. [2020-07-20 10:42:39,745 INFO L268 CegarLoopResult]: For program point L801-1(lines 801 821) no Hoare annotation was computed. [2020-07-20 10:42:39,745 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 787 832) no Hoare annotation was computed. [2020-07-20 10:42:39,745 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 787 832) no Hoare annotation was computed. [2020-07-20 10:42:39,745 INFO L268 CegarLoopResult]: For program point L807(lines 807 814) no Hoare annotation was computed. [2020-07-20 10:42:39,745 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 787 832) no Hoare annotation was computed. [2020-07-20 10:42:39,745 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:42:39,746 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2020-07-20 10:42:39,746 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2020-07-20 10:42:39,746 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 319 329) no Hoare annotation was computed. [2020-07-20 10:42:39,746 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 319 329) no Hoare annotation was computed. [2020-07-20 10:42:39,746 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 319 329) no Hoare annotation was computed. [2020-07-20 10:42:39,746 INFO L268 CegarLoopResult]: For program point L324(line 324) no Hoare annotation was computed. [2020-07-20 10:42:39,746 INFO L268 CegarLoopResult]: For program point L324-1(line 324) no Hoare annotation was computed. [2020-07-20 10:42:39,746 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 311 318) the Hoare annotation is: true [2020-07-20 10:42:39,747 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 311 318) no Hoare annotation was computed. [2020-07-20 10:42:39,747 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 311 318) no Hoare annotation was computed. [2020-07-20 10:42:39,747 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 296 302) no Hoare annotation was computed. [2020-07-20 10:42:39,747 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 296 302) the Hoare annotation is: true [2020-07-20 10:42:39,747 INFO L264 CegarLoopResult]: At program point testENTRY(lines 399 466) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:42:39,747 INFO L268 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-07-20 10:42:39,747 INFO L268 CegarLoopResult]: For program point testFINAL(lines 399 466) no Hoare annotation was computed. [2020-07-20 10:42:39,748 INFO L264 CegarLoopResult]: At program point L459(lines 408 460) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:42:39,748 INFO L264 CegarLoopResult]: At program point L449(line 449) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:42:39,748 INFO L268 CegarLoopResult]: For program point L447(lines 447 453) no Hoare annotation was computed. [2020-07-20 10:42:39,748 INFO L264 CegarLoopResult]: At program point L447-1(lines 439 454) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:42:39,748 INFO L268 CegarLoopResult]: For program point L410(lines 409 458) no Hoare annotation was computed. [2020-07-20 10:42:39,748 INFO L264 CegarLoopResult]: At program point L441(line 441) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:42:39,764 INFO L268 CegarLoopResult]: For program point L439(lines 439 454) no Hoare annotation was computed. [2020-07-20 10:42:39,764 INFO L264 CegarLoopResult]: At program point L431(line 431) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:42:39,764 INFO L268 CegarLoopResult]: For program point L429(lines 429 435) no Hoare annotation was computed. [2020-07-20 10:42:39,764 INFO L268 CegarLoopResult]: For program point L429-1(lines 429 435) no Hoare annotation was computed. [2020-07-20 10:42:39,764 INFO L264 CegarLoopResult]: At program point L456(lines 409 458) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:42:39,765 INFO L264 CegarLoopResult]: At program point L421(line 421) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:42:39,765 INFO L268 CegarLoopResult]: For program point L419(lines 419 425) no Hoare annotation was computed. [2020-07-20 10:42:39,765 INFO L268 CegarLoopResult]: For program point testEXIT(lines 399 466) no Hoare annotation was computed. [2020-07-20 10:42:39,765 INFO L268 CegarLoopResult]: For program point L419-1(lines 419 425) no Hoare annotation was computed. [2020-07-20 10:42:39,765 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 741 786) no Hoare annotation was computed. [2020-07-20 10:42:39,765 INFO L268 CegarLoopResult]: For program point L761(lines 761 768) no Hoare annotation was computed. [2020-07-20 10:42:39,765 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 741 786) no Hoare annotation was computed. [2020-07-20 10:42:39,765 INFO L268 CegarLoopResult]: For program point L755(lines 755 775) no Hoare annotation was computed. [2020-07-20 10:42:39,766 INFO L268 CegarLoopResult]: For program point L755-1(lines 755 775) no Hoare annotation was computed. [2020-07-20 10:42:39,766 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 741 786) no Hoare annotation was computed. [2020-07-20 10:42:39,766 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-20 10:42:39,766 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-20 10:42:39,766 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 230 252) no Hoare annotation was computed. [2020-07-20 10:42:39,766 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 230 252) no Hoare annotation was computed. [2020-07-20 10:42:39,766 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 230 252) no Hoare annotation was computed. [2020-07-20 10:42:39,766 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 145 154) no Hoare annotation was computed. [2020-07-20 10:42:39,767 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 145 154) no Hoare annotation was computed. [2020-07-20 10:42:39,767 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 145 154) no Hoare annotation was computed. [2020-07-20 10:42:39,767 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 638 740) no Hoare annotation was computed. [2020-07-20 10:42:39,767 INFO L268 CegarLoopResult]: For program point L667(lines 667 683) no Hoare annotation was computed. [2020-07-20 10:42:39,767 INFO L268 CegarLoopResult]: For program point L727(lines 727 734) no Hoare annotation was computed. [2020-07-20 10:42:39,767 INFO L268 CegarLoopResult]: For program point L688(lines 687 707) no Hoare annotation was computed. [2020-07-20 10:42:39,767 INFO L268 CegarLoopResult]: For program point L719(line 719) no Hoare annotation was computed. [2020-07-20 10:42:39,767 INFO L268 CegarLoopResult]: For program point L719-1(line 719) no Hoare annotation was computed. [2020-07-20 10:42:39,768 INFO L268 CegarLoopResult]: For program point L684(lines 684 725) no Hoare annotation was computed. [2020-07-20 10:42:39,768 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 638 740) no Hoare annotation was computed. [2020-07-20 10:42:39,768 INFO L268 CegarLoopResult]: For program point L703(line 703) no Hoare annotation was computed. [2020-07-20 10:42:39,768 INFO L268 CegarLoopResult]: For program point L703-1(line 703) no Hoare annotation was computed. [2020-07-20 10:42:39,768 INFO L268 CegarLoopResult]: For program point L662(lines 662 666) no Hoare annotation was computed. [2020-07-20 10:42:39,768 INFO L268 CegarLoopResult]: For program point L726(lines 726 737) no Hoare annotation was computed. [2020-07-20 10:42:39,768 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 638 740) no Hoare annotation was computed. [2020-07-20 10:42:39,768 INFO L268 CegarLoopResult]: For program point L689(lines 689 693) no Hoare annotation was computed. [2020-07-20 10:42:39,768 INFO L268 CegarLoopResult]: For program point L687-2(lines 687 707) no Hoare annotation was computed. [2020-07-20 10:42:39,769 INFO L268 CegarLoopResult]: For program point L708(lines 686 709) no Hoare annotation was computed. [2020-07-20 10:42:39,769 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:42:39,769 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-20 10:42:39,769 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:42:39,769 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 303 310) no Hoare annotation was computed. [2020-07-20 10:42:39,769 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 303 310) no Hoare annotation was computed. [2020-07-20 10:42:39,769 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 303 310) no Hoare annotation was computed. [2020-07-20 10:42:39,770 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 253 261) the Hoare annotation is: true [2020-07-20 10:42:39,770 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 253 261) no Hoare annotation was computed. [2020-07-20 10:42:39,770 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 253 261) no Hoare annotation was computed. [2020-07-20 10:42:39,770 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 209 220) the Hoare annotation is: true [2020-07-20 10:42:39,770 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 209 220) no Hoare annotation was computed. [2020-07-20 10:42:39,770 INFO L268 CegarLoopResult]: For program point L213-1(lines 209 220) no Hoare annotation was computed. [2020-07-20 10:42:39,770 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:42:39,770 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 10:42:39,770 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:42:39,771 INFO L264 CegarLoopResult]: At program point L285(line 285) the Hoare annotation is: (or (<= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:42:39,771 INFO L264 CegarLoopResult]: At program point L283(lines 283 289) the Hoare annotation is: (or (<= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:42:39,771 INFO L264 CegarLoopResult]: At program point L278(line 278) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:42:39,771 INFO L268 CegarLoopResult]: For program point L276(lines 275 294) no Hoare annotation was computed. [2020-07-20 10:42:39,771 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 272 295) the Hoare annotation is: (or (<= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:42:39,771 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 272 295) no Hoare annotation was computed. [2020-07-20 10:42:39,771 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 272 295) no Hoare annotation was computed. [2020-07-20 10:42:39,771 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-07-20 10:42:39,772 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-07-20 10:42:39,772 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-07-20 10:42:39,772 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-07-20 10:42:39,772 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-07-20 10:42:39,772 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-07-20 10:42:39,772 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-07-20 10:42:39,772 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-07-20 10:42:39,772 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-07-20 10:42:39,772 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-07-20 10:42:39,773 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 221 229) no Hoare annotation was computed. [2020-07-20 10:42:39,773 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 221 229) no Hoare annotation was computed. [2020-07-20 10:42:39,773 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 221 229) no Hoare annotation was computed. [2020-07-20 10:42:39,773 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 185 196) the Hoare annotation is: true [2020-07-20 10:42:39,773 INFO L268 CegarLoopResult]: For program point L189-1(lines 185 196) no Hoare annotation was computed. [2020-07-20 10:42:39,773 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 185 196) no Hoare annotation was computed. [2020-07-20 10:42:39,773 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-07-20 10:42:39,773 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-07-20 10:42:39,774 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:42:39,774 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-20 10:42:39,774 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 10:42:39,774 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:42:39,774 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 390 397) no Hoare annotation was computed. [2020-07-20 10:42:39,774 INFO L271 CegarLoopResult]: At program point startSystemENTRY(lines 390 397) the Hoare annotation is: true [2020-07-20 10:42:39,774 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 390 397) no Hoare annotation was computed. [2020-07-20 10:42:39,775 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 197 208) no Hoare annotation was computed. [2020-07-20 10:42:39,775 INFO L268 CegarLoopResult]: For program point L201-1(lines 197 208) no Hoare annotation was computed. [2020-07-20 10:42:39,775 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 197 208) the Hoare annotation is: (or (<= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:42:39,775 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 834 841) no Hoare annotation was computed. [2020-07-20 10:42:39,775 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 838) no Hoare annotation was computed. [2020-07-20 10:42:39,775 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 834 841) the Hoare annotation is: true [2020-07-20 10:42:39,775 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 834 841) no Hoare annotation was computed. [2020-07-20 10:42:39,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:42:39 BoogieIcfgContainer [2020-07-20 10:42:39,795 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 10:42:39,798 INFO L168 Benchmark]: Toolchain (without parser) took 5909.52 ms. Allocated memory was 142.6 MB in the beginning and 297.3 MB in the end (delta: 154.7 MB). Free memory was 99.2 MB in the beginning and 261.0 MB in the end (delta: -161.9 MB). Peak memory consumption was 129.4 MB. Max. memory is 7.1 GB. [2020-07-20 10:42:39,799 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 142.6 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 10:42:39,800 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.45 ms. Allocated memory was 142.6 MB in the beginning and 200.3 MB in the end (delta: 57.7 MB). Free memory was 98.8 MB in the beginning and 169.7 MB in the end (delta: -70.9 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. [2020-07-20 10:42:39,801 INFO L168 Benchmark]: Boogie Preprocessor took 90.09 ms. Allocated memory is still 200.3 MB. Free memory was 169.7 MB in the beginning and 165.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-20 10:42:39,802 INFO L168 Benchmark]: RCFGBuilder took 1143.38 ms. Allocated memory is still 200.3 MB. Free memory was 165.4 MB in the beginning and 83.3 MB in the end (delta: 82.2 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. [2020-07-20 10:42:39,803 INFO L168 Benchmark]: TraceAbstraction took 3986.91 ms. Allocated memory was 200.3 MB in the beginning and 297.3 MB in the end (delta: 97.0 MB). Free memory was 82.7 MB in the beginning and 261.0 MB in the end (delta: -178.4 MB). Peak memory consumption was 55.2 MB. Max. memory is 7.1 GB. [2020-07-20 10:42:39,807 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 142.6 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 678.45 ms. Allocated memory was 142.6 MB in the beginning and 200.3 MB in the end (delta: 57.7 MB). Free memory was 98.8 MB in the beginning and 169.7 MB in the end (delta: -70.9 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.09 ms. Allocated memory is still 200.3 MB. Free memory was 169.7 MB in the beginning and 165.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1143.38 ms. Allocated memory is still 200.3 MB. Free memory was 165.4 MB in the beginning and 83.3 MB in the end (delta: 82.2 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3986.91 ms. Allocated memory was 200.3 MB in the beginning and 297.3 MB in the end (delta: 97.0 MB). Free memory was 82.7 MB in the beginning and 261.0 MB in the end (delta: -178.4 MB). Peak memory consumption was 55.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 838]: 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: 409]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || ((1 <= waterLevel && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 204 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 495 SDtfs, 138 SDslu, 671 SDs, 0 SdLazy, 107 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 256 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=217occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 218 PreInvPairs, 233 NumberOfFragments, 462 HoareAnnotationTreeSize, 218 FomulaSimplifications, 72 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 46 FomulaSimplificationsInter, 456 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 259 NumberOfCodeBlocks, 259 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 28810 SizeOfPredicates, 17 NumberOfNonLiveVariables, 3280 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...