/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_VARIABLES --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_spec4_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 16:24:38,601 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 16:24:38,603 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 16:24:38,618 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 16:24:38,618 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 16:24:38,620 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 16:24:38,621 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 16:24:38,623 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 16:24:38,625 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 16:24:38,626 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 16:24:38,627 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 16:24:38,628 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 16:24:38,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 16:24:38,629 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 16:24:38,630 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 16:24:38,631 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 16:24:38,632 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 16:24:38,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 16:24:38,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 16:24:38,637 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 16:24:38,639 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 16:24:38,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 16:24:38,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 16:24:38,642 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 16:24:38,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 16:24:38,645 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 16:24:38,645 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 16:24:38,646 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 16:24:38,647 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 16:24:38,648 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 16:24:38,648 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 16:24:38,649 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 16:24:38,649 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 16:24:38,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 16:24:38,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 16:24:38,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 16:24:38,652 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 16:24:38,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 16:24:38,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 16:24:38,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 16:24:38,654 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 16:24:38,655 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 16:24:38,673 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 16:24:38,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 16:24:38,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 16:24:38,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 16:24:38,676 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 16:24:38,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 16:24:38,676 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 16:24:38,676 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 16:24:38,676 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 16:24:38,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 16:24:38,677 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 16:24:38,677 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 16:24:38,677 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 16:24:38,677 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 16:24:38,677 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 16:24:38,678 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 16:24:38,678 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 16:24:38,678 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 16:24:38,678 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 16:24:38,678 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 16:24:38,679 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 16:24:38,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:24:38,679 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 16:24:38,680 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 16:24:38,680 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 16:24:38,680 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 16:24:38,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:38,680 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 16:24:38,681 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 16:24:38,681 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_VARIABLES 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 16:24:38,991 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 16:24:39,004 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 16:24:39,008 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 16:24:39,009 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 16:24:39,010 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 16:24:39,011 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product03.cil.c [2020-07-20 16:24:39,082 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b113d91ee/bc990bbc3d7a46e6bfd4dd82dddb8389/FLAGd0dfe9c71 [2020-07-20 16:24:39,642 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 16:24:39,642 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product03.cil.c [2020-07-20 16:24:39,672 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b113d91ee/bc990bbc3d7a46e6bfd4dd82dddb8389/FLAGd0dfe9c71 [2020-07-20 16:24:39,935 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b113d91ee/bc990bbc3d7a46e6bfd4dd82dddb8389 [2020-07-20 16:24:39,946 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 16:24:39,949 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 16:24:39,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 16:24:39,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 16:24:39,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 16:24:39,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:24:39" (1/1) ... [2020-07-20 16:24:39,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51903215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:39, skipping insertion in model container [2020-07-20 16:24:39,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:24:39" (1/1) ... [2020-07-20 16:24:39,966 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 16:24:40,010 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 16:24:40,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:24:40,501 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 16:24:40,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:24:40,640 INFO L208 MainTranslator]: Completed translation [2020-07-20 16:24:40,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:40 WrapperNode [2020-07-20 16:24:40,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 16:24:40,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 16:24:40,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 16:24:40,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 16:24:40,655 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:40" (1/1) ... [2020-07-20 16:24:40,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:40" (1/1) ... [2020-07-20 16:24:40,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:40" (1/1) ... [2020-07-20 16:24:40,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:40" (1/1) ... [2020-07-20 16:24:40,704 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:40" (1/1) ... [2020-07-20 16:24:40,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:40" (1/1) ... [2020-07-20 16:24:40,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:40" (1/1) ... [2020-07-20 16:24:40,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 16:24:40,727 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 16:24:40,727 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 16:24:40,727 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 16:24:40,728 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:40" (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 16:24:40,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 16:24:40,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 16:24:40,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 16:24:40,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 16:24:40,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 16:24:40,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 16:24:40,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 16:24:40,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 16:24:40,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 16:24:40,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 16:24:40,789 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 16:24:40,789 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 16:24:40,789 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 16:24:40,789 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 16:24:40,790 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 16:24:40,790 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 16:24:40,790 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 16:24:40,790 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 16:24:40,790 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 16:24:40,790 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 16:24:40,790 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 16:24:40,791 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 16:24:40,791 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 16:24:40,791 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 16:24:40,791 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 16:24:40,791 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 16:24:40,791 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 16:24:40,791 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 16:24:40,792 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 16:24:40,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-20 16:24:40,792 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 16:24:40,792 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 16:24:40,792 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 16:24:40,792 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 16:24:40,793 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 16:24:40,793 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 16:24:40,793 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 16:24:40,793 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 16:24:40,793 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 16:24:40,793 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 16:24:40,793 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 16:24:40,794 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 16:24:40,794 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 16:24:40,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 16:24:40,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 16:24:40,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 16:24:40,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 16:24:40,794 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 16:24:40,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 16:24:40,795 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 16:24:40,795 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 16:24:40,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 16:24:40,795 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 16:24:40,795 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 16:24:40,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 16:24:40,796 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 16:24:40,796 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 16:24:40,796 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 16:24:40,799 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 16:24:40,799 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 16:24:40,799 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 16:24:40,800 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 16:24:40,800 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 16:24:40,800 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 16:24:40,800 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 16:24:40,800 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 16:24:40,800 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 16:24:40,800 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 16:24:40,801 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 16:24:40,801 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 16:24:40,801 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 16:24:40,801 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 16:24:40,801 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 16:24:40,802 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-20 16:24:40,802 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 16:24:40,802 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 16:24:40,802 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 16:24:40,802 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 16:24:40,802 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 16:24:40,802 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 16:24:40,803 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 16:24:40,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 16:24:40,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 16:24:40,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 16:24:41,869 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 16:24:41,869 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 16:24:41,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:24:41 BoogieIcfgContainer [2020-07-20 16:24:41,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 16:24:41,879 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 16:24:41,879 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 16:24:41,882 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 16:24:41,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:24:39" (1/3) ... [2020-07-20 16:24:41,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5515c4ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:24:41, skipping insertion in model container [2020-07-20 16:24:41,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:40" (2/3) ... [2020-07-20 16:24:41,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5515c4ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:24:41, skipping insertion in model container [2020-07-20 16:24:41,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:24:41" (3/3) ... [2020-07-20 16:24:41,887 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product03.cil.c [2020-07-20 16:24:41,898 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 16:24:41,910 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 16:24:41,925 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 16:24:41,954 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 16:24:41,954 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 16:24:41,954 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 16:24:41,954 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 16:24:41,954 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 16:24:41,955 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 16:24:41,955 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 16:24:41,955 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 16:24:41,976 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2020-07-20 16:24:41,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-20 16:24:41,985 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:24:41,986 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 16:24:41,987 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:24:41,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:24:41,992 INFO L82 PathProgramCache]: Analyzing trace with hash -1645653850, now seen corresponding path program 1 times [2020-07-20 16:24:41,998 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:24:41,999 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1117755059] [2020-07-20 16:24:41,999 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 16:24:42,449 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:24:42,450 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:24:42,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 622 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 16:24:42,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:24:42,498 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 16:24:42,498 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:24:42,500 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1117755059] [2020-07-20 16:24:42,501 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:24:42,501 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 16:24:42,502 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015887717] [2020-07-20 16:24:42,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 16:24:42,509 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:24:42,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 16:24:42,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:24:42,527 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 2 states. [2020-07-20 16:24:42,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:24:42,566 INFO L93 Difference]: Finished difference Result 180 states and 225 transitions. [2020-07-20 16:24:42,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 16:24:42,568 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-20 16:24:42,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:24:42,580 INFO L225 Difference]: With dead ends: 180 [2020-07-20 16:24:42,581 INFO L226 Difference]: Without dead ends: 90 [2020-07-20 16:24:42,586 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 16:24:42,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-07-20 16:24:42,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2020-07-20 16:24:42,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-07-20 16:24:42,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2020-07-20 16:24:42,643 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 46 [2020-07-20 16:24:42,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:24:42,644 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2020-07-20 16:24:42,644 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 16:24:42,644 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2020-07-20 16:24:42,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-20 16:24:42,648 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:24:42,648 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 16:24:42,862 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:42,862 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:24:42,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:24:42,863 INFO L82 PathProgramCache]: Analyzing trace with hash -1821384666, now seen corresponding path program 1 times [2020-07-20 16:24:42,863 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:24:42,864 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1412038875] [2020-07-20 16:24:42,864 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 16:24:43,269 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:24:43,270 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:24:43,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:24:43,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:24:43,323 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 16:24:43,324 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:24:43,324 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1412038875] [2020-07-20 16:24:43,324 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:24:43,324 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:24:43,325 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044627045] [2020-07-20 16:24:43,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:24:43,328 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:24:43,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:24:43,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:24:43,330 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 3 states. [2020-07-20 16:24:43,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:24:43,356 INFO L93 Difference]: Finished difference Result 120 states and 137 transitions. [2020-07-20 16:24:43,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:24:43,360 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-20 16:24:43,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:24:43,363 INFO L225 Difference]: With dead ends: 120 [2020-07-20 16:24:43,364 INFO L226 Difference]: Without dead ends: 81 [2020-07-20 16:24:43,368 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 16:24:43,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-07-20 16:24:43,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2020-07-20 16:24:43,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-07-20 16:24:43,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 92 transitions. [2020-07-20 16:24:43,389 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 92 transitions. Word has length 47 [2020-07-20 16:24:43,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:24:43,390 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 92 transitions. [2020-07-20 16:24:43,390 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:24:43,390 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 92 transitions. [2020-07-20 16:24:43,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 16:24:43,399 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:24:43,400 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:24:43,615 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:43,616 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:24:43,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:24:43,616 INFO L82 PathProgramCache]: Analyzing trace with hash 1519246168, now seen corresponding path program 1 times [2020-07-20 16:24:43,616 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:24:43,617 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [781993528] [2020-07-20 16:24:43,617 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 16:24:44,035 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:24:44,035 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:24:44,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-20 16:24:44,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:24:44,115 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 16:24:44,115 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:24:44,116 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [781993528] [2020-07-20 16:24:44,116 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:24:44,117 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:24:44,117 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634507281] [2020-07-20 16:24:44,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:24:44,118 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:24:44,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:24:44,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:24:44,120 INFO L87 Difference]: Start difference. First operand 81 states and 92 transitions. Second operand 6 states. [2020-07-20 16:24:44,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:24:44,354 INFO L93 Difference]: Finished difference Result 184 states and 223 transitions. [2020-07-20 16:24:44,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:24:44,355 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2020-07-20 16:24:44,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:24:44,359 INFO L225 Difference]: With dead ends: 184 [2020-07-20 16:24:44,359 INFO L226 Difference]: Without dead ends: 127 [2020-07-20 16:24:44,361 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 46 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 16:24:44,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-07-20 16:24:44,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2020-07-20 16:24:44,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-07-20 16:24:44,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 150 transitions. [2020-07-20 16:24:44,378 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 150 transitions. Word has length 51 [2020-07-20 16:24:44,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:24:44,378 INFO L479 AbstractCegarLoop]: Abstraction has 127 states and 150 transitions. [2020-07-20 16:24:44,378 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:24:44,379 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 150 transitions. [2020-07-20 16:24:44,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-07-20 16:24:44,380 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:24:44,380 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 16:24:44,595 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:44,595 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:24:44,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:24:44,596 INFO L82 PathProgramCache]: Analyzing trace with hash 27328190, now seen corresponding path program 1 times [2020-07-20 16:24:44,597 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:24:44,597 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [366990147] [2020-07-20 16:24:44,598 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 16:24:44,942 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:24:44,942 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:24:44,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 16:24:44,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:24:44,967 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 16:24:44,968 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:24:44,968 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [366990147] [2020-07-20 16:24:44,968 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:24:44,969 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:24:44,969 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135343744] [2020-07-20 16:24:44,969 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:24:44,970 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:24:44,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:24:44,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:24:44,970 INFO L87 Difference]: Start difference. First operand 127 states and 150 transitions. Second operand 3 states. [2020-07-20 16:24:44,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:24:44,995 INFO L93 Difference]: Finished difference Result 167 states and 201 transitions. [2020-07-20 16:24:44,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:24:44,996 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2020-07-20 16:24:44,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:24:44,997 INFO L225 Difference]: With dead ends: 167 [2020-07-20 16:24:44,999 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 16:24:45,001 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 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 16:24:45,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 16:24:45,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 16:24:45,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 16:24:45,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 16:24:45,005 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 55 [2020-07-20 16:24:45,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:24:45,006 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 16:24:45,006 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:24:45,006 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 16:24:45,006 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 16:24:45,209 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:45,211 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 16:24:45,721 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-20 16:24:45,722 INFO L268 CegarLoopResult]: For program point L126-2(lines 126 147) no Hoare annotation was computed. [2020-07-20 16:24:45,722 INFO L268 CegarLoopResult]: For program point L148(lines 125 149) no Hoare annotation was computed. [2020-07-20 16:24:45,722 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 101 156) no Hoare annotation was computed. [2020-07-20 16:24:45,722 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 101 156) no Hoare annotation was computed. [2020-07-20 16:24:45,722 INFO L268 CegarLoopResult]: For program point L132(lines 132 136) no Hoare annotation was computed. [2020-07-20 16:24:45,722 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 136) no Hoare annotation was computed. [2020-07-20 16:24:45,723 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 101 156) no Hoare annotation was computed. [2020-07-20 16:24:45,723 INFO L268 CegarLoopResult]: For program point L189(lines 189 193) no Hoare annotation was computed. [2020-07-20 16:24:45,723 INFO L268 CegarLoopResult]: For program point L189-1(lines 189 193) no Hoare annotation was computed. [2020-07-20 16:24:45,723 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-20 16:24:45,723 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 157 216) no Hoare annotation was computed. [2020-07-20 16:24:45,723 INFO L268 CegarLoopResult]: For program point L183-2(lines 183 208) no Hoare annotation was computed. [2020-07-20 16:24:45,723 INFO L268 CegarLoopResult]: For program point L209(lines 182 210) no Hoare annotation was computed. [2020-07-20 16:24:45,723 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 157 216) no Hoare annotation was computed. [2020-07-20 16:24:45,724 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-20 16:24:45,724 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 157 216) no Hoare annotation was computed. [2020-07-20 16:24:45,724 INFO L268 CegarLoopResult]: For program point L202-1(line 202) no Hoare annotation was computed. [2020-07-20 16:24:45,724 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 436 442) the Hoare annotation is: true [2020-07-20 16:24:45,724 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 436 442) no Hoare annotation was computed. [2020-07-20 16:24:45,725 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 443 451) no Hoare annotation was computed. [2020-07-20 16:24:45,725 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 443 451) the Hoare annotation is: true [2020-07-20 16:24:45,725 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 443 451) no Hoare annotation was computed. [2020-07-20 16:24:45,725 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 736 760) the Hoare annotation is: true [2020-07-20 16:24:45,725 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 736 760) no Hoare annotation was computed. [2020-07-20 16:24:45,726 INFO L264 CegarLoopResult]: At program point L750(line 750) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0))) [2020-07-20 16:24:45,726 INFO L268 CegarLoopResult]: For program point L748(lines 748 754) no Hoare annotation was computed. [2020-07-20 16:24:45,726 INFO L264 CegarLoopResult]: At program point L746(line 746) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0))) [2020-07-20 16:24:45,726 INFO L268 CegarLoopResult]: For program point L746-1(line 746) no Hoare annotation was computed. [2020-07-20 16:24:45,726 INFO L268 CegarLoopResult]: For program point L744(lines 744 757) no Hoare annotation was computed. [2020-07-20 16:24:45,726 INFO L268 CegarLoopResult]: For program point L744-1(lines 736 760) no Hoare annotation was computed. [2020-07-20 16:24:45,726 INFO L271 CegarLoopResult]: At program point L742(line 742) the Hoare annotation is: true [2020-07-20 16:24:45,727 INFO L268 CegarLoopResult]: For program point L742-1(line 742) no Hoare annotation was computed. [2020-07-20 16:24:45,727 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 834 856) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 16:24:45,727 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 834 856) no Hoare annotation was computed. [2020-07-20 16:24:45,727 INFO L264 CegarLoopResult]: At program point L846(line 846) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 16:24:45,727 INFO L264 CegarLoopResult]: At program point L846-1(line 846) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 16:24:45,727 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 834 856) no Hoare annotation was computed. [2020-07-20 16:24:45,728 INFO L268 CegarLoopResult]: For program point L844(lines 844 851) no Hoare annotation was computed. [2020-07-20 16:24:45,728 INFO L268 CegarLoopResult]: For program point L844-1(lines 844 851) no Hoare annotation was computed. [2020-07-20 16:24:45,728 INFO L268 CegarLoopResult]: For program point L842(line 842) no Hoare annotation was computed. [2020-07-20 16:24:45,728 INFO L264 CegarLoopResult]: At program point L841(line 841) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 16:24:45,728 INFO L264 CegarLoopResult]: At program point L840(line 840) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 16:24:45,728 INFO L264 CegarLoopResult]: At program point L840-1(line 840) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 16:24:45,729 INFO L268 CegarLoopResult]: For program point L801(line 801) no Hoare annotation was computed. [2020-07-20 16:24:45,729 INFO L268 CegarLoopResult]: For program point L800(line 800) no Hoare annotation was computed. [2020-07-20 16:24:45,729 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 793 816) no Hoare annotation was computed. [2020-07-20 16:24:45,729 INFO L268 CegarLoopResult]: For program point L799(line 799) no Hoare annotation was computed. [2020-07-20 16:24:45,729 INFO L268 CegarLoopResult]: For program point L798(line 798) no Hoare annotation was computed. [2020-07-20 16:24:45,730 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 793 816) no Hoare annotation was computed. [2020-07-20 16:24:45,730 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 793 816) no Hoare annotation was computed. [2020-07-20 16:24:45,730 INFO L268 CegarLoopResult]: For program point L811(line 811) no Hoare annotation was computed. [2020-07-20 16:24:45,730 INFO L268 CegarLoopResult]: For program point L810(line 810) no Hoare annotation was computed. [2020-07-20 16:24:45,730 INFO L268 CegarLoopResult]: For program point L809(line 809) no Hoare annotation was computed. [2020-07-20 16:24:45,731 INFO L268 CegarLoopResult]: For program point L808(line 808) no Hoare annotation was computed. [2020-07-20 16:24:45,731 INFO L268 CegarLoopResult]: For program point L807(line 807) no Hoare annotation was computed. [2020-07-20 16:24:45,731 INFO L268 CegarLoopResult]: For program point L806(line 806) no Hoare annotation was computed. [2020-07-20 16:24:45,731 INFO L268 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-07-20 16:24:45,732 INFO L268 CegarLoopResult]: For program point L804(line 804) no Hoare annotation was computed. [2020-07-20 16:24:45,732 INFO L268 CegarLoopResult]: For program point L803(line 803) no Hoare annotation was computed. [2020-07-20 16:24:45,732 INFO L268 CegarLoopResult]: For program point L802(line 802) no Hoare annotation was computed. [2020-07-20 16:24:45,732 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 639 653) no Hoare annotation was computed. [2020-07-20 16:24:45,732 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 639 653) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:24:45,733 INFO L264 CegarLoopResult]: At program point L645(line 645) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0))) [2020-07-20 16:24:45,733 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 639 653) no Hoare annotation was computed. [2020-07-20 16:24:45,733 INFO L268 CegarLoopResult]: For program point L643(lines 643 649) no Hoare annotation was computed. [2020-07-20 16:24:45,733 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 594 602) no Hoare annotation was computed. [2020-07-20 16:24:45,734 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 594 602) the Hoare annotation is: true [2020-07-20 16:24:45,734 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 594 602) no Hoare annotation was computed. [2020-07-20 16:24:45,734 INFO L268 CegarLoopResult]: For program point L610-2(lines 610 618) no Hoare annotation was computed. [2020-07-20 16:24:45,734 INFO L268 CegarLoopResult]: For program point L633(line 633) no Hoare annotation was computed. [2020-07-20 16:24:45,734 INFO L268 CegarLoopResult]: For program point L633-1(line 633) no Hoare annotation was computed. [2020-07-20 16:24:45,735 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 603 638) no Hoare annotation was computed. [2020-07-20 16:24:45,735 INFO L268 CegarLoopResult]: For program point L622(lines 622 630) no Hoare annotation was computed. [2020-07-20 16:24:45,735 INFO L268 CegarLoopResult]: For program point L622-2(lines 622 630) no Hoare annotation was computed. [2020-07-20 16:24:45,735 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 603 638) no Hoare annotation was computed. [2020-07-20 16:24:45,735 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 603 638) no Hoare annotation was computed. [2020-07-20 16:24:45,736 INFO L268 CegarLoopResult]: For program point L610(lines 610 618) no Hoare annotation was computed. [2020-07-20 16:24:45,736 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 429 435) no Hoare annotation was computed. [2020-07-20 16:24:45,736 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 429 435) the Hoare annotation is: true [2020-07-20 16:24:45,736 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 55 100) no Hoare annotation was computed. [2020-07-20 16:24:45,737 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 55 100) no Hoare annotation was computed. [2020-07-20 16:24:45,737 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 55 100) no Hoare annotation was computed. [2020-07-20 16:24:45,737 INFO L268 CegarLoopResult]: For program point L382(lines 382 402) no Hoare annotation was computed. [2020-07-20 16:24:45,737 INFO L268 CegarLoopResult]: For program point L382-1(lines 382 402) no Hoare annotation was computed. [2020-07-20 16:24:45,737 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 368 413) no Hoare annotation was computed. [2020-07-20 16:24:45,738 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 368 413) no Hoare annotation was computed. [2020-07-20 16:24:45,738 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 368 413) no Hoare annotation was computed. [2020-07-20 16:24:45,738 INFO L268 CegarLoopResult]: For program point L388(lines 388 395) no Hoare annotation was computed. [2020-07-20 16:24:45,738 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 824 833) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 16:24:45,739 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 824 833) no Hoare annotation was computed. [2020-07-20 16:24:45,739 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 824 833) no Hoare annotation was computed. [2020-07-20 16:24:45,739 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 583 593) no Hoare annotation was computed. [2020-07-20 16:24:45,739 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-20 16:24:45,739 INFO L268 CegarLoopResult]: For program point L588-1(line 588) no Hoare annotation was computed. [2020-07-20 16:24:45,740 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 583 593) no Hoare annotation was computed. [2020-07-20 16:24:45,740 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 583 593) no Hoare annotation was computed. [2020-07-20 16:24:45,740 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 575 582) the Hoare annotation is: true [2020-07-20 16:24:45,740 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 575 582) no Hoare annotation was computed. [2020-07-20 16:24:45,740 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 575 582) no Hoare annotation was computed. [2020-07-20 16:24:45,741 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 560 566) no Hoare annotation was computed. [2020-07-20 16:24:45,741 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 560 566) the Hoare annotation is: true [2020-07-20 16:24:45,741 INFO L264 CegarLoopResult]: At program point testENTRY(lines 458 523) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 16:24:45,741 INFO L264 CegarLoopResult]: At program point L506(line 506) 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)|))) [2020-07-20 16:24:45,741 INFO L268 CegarLoopResult]: For program point L504(lines 504 510) no Hoare annotation was computed. [2020-07-20 16:24:45,742 INFO L264 CegarLoopResult]: At program point L504-1(lines 498 511) 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)|))) [2020-07-20 16:24:45,742 INFO L268 CegarLoopResult]: For program point testFINAL(lines 458 523) no Hoare annotation was computed. [2020-07-20 16:24:45,742 INFO L268 CegarLoopResult]: For program point L469(lines 468 515) no Hoare annotation was computed. [2020-07-20 16:24:45,742 INFO L268 CegarLoopResult]: For program point L498(lines 498 511) no Hoare annotation was computed. [2020-07-20 16:24:45,742 INFO L264 CegarLoopResult]: At program point L490(line 490) 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)|))) [2020-07-20 16:24:45,742 INFO L268 CegarLoopResult]: For program point L488(lines 488 494) no Hoare annotation was computed. [2020-07-20 16:24:45,742 INFO L268 CegarLoopResult]: For program point L488-1(lines 488 494) no Hoare annotation was computed. [2020-07-20 16:24:45,743 INFO L264 CegarLoopResult]: At program point L513(lines 468 515) 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)|))) [2020-07-20 16:24:45,743 INFO L264 CegarLoopResult]: At program point L480(line 480) 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)|))) [2020-07-20 16:24:45,743 INFO L268 CegarLoopResult]: For program point L478(lines 478 484) no Hoare annotation was computed. [2020-07-20 16:24:45,743 INFO L268 CegarLoopResult]: For program point L478-1(lines 478 484) no Hoare annotation was computed. [2020-07-20 16:24:45,743 INFO L268 CegarLoopResult]: For program point L470(lines 470 474) no Hoare annotation was computed. [2020-07-20 16:24:45,743 INFO L264 CegarLoopResult]: At program point L516(lines 467 517) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 16:24:45,744 INFO L268 CegarLoopResult]: For program point testEXIT(lines 458 523) no Hoare annotation was computed. [2020-07-20 16:24:45,744 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 322 367) no Hoare annotation was computed. [2020-07-20 16:24:45,744 INFO L268 CegarLoopResult]: For program point L342(lines 342 349) no Hoare annotation was computed. [2020-07-20 16:24:45,744 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 322 367) no Hoare annotation was computed. [2020-07-20 16:24:45,744 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 322 367) no Hoare annotation was computed. [2020-07-20 16:24:45,744 INFO L268 CegarLoopResult]: For program point L336(lines 336 356) no Hoare annotation was computed. [2020-07-20 16:24:45,744 INFO L268 CegarLoopResult]: For program point L336-1(lines 336 356) no Hoare annotation was computed. [2020-07-20 16:24:45,744 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 703 725) no Hoare annotation was computed. [2020-07-20 16:24:45,745 INFO L268 CegarLoopResult]: For program point L711(lines 711 719) no Hoare annotation was computed. [2020-07-20 16:24:45,745 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 703 725) no Hoare annotation was computed. [2020-07-20 16:24:45,745 INFO L268 CegarLoopResult]: For program point L711-2(lines 711 719) no Hoare annotation was computed. [2020-07-20 16:24:45,745 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 703 725) no Hoare annotation was computed. [2020-07-20 16:24:45,745 INFO L268 CegarLoopResult]: For program point L289(lines 267 290) no Hoare annotation was computed. [2020-07-20 16:24:45,745 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 219 321) no Hoare annotation was computed. [2020-07-20 16:24:45,745 INFO L268 CegarLoopResult]: For program point L248(lines 248 264) no Hoare annotation was computed. [2020-07-20 16:24:45,746 INFO L268 CegarLoopResult]: For program point L308(lines 308 315) no Hoare annotation was computed. [2020-07-20 16:24:45,746 INFO L268 CegarLoopResult]: For program point L269(lines 268 288) no Hoare annotation was computed. [2020-07-20 16:24:45,746 INFO L268 CegarLoopResult]: For program point L300(line 300) no Hoare annotation was computed. [2020-07-20 16:24:45,746 INFO L268 CegarLoopResult]: For program point L300-1(line 300) no Hoare annotation was computed. [2020-07-20 16:24:45,746 INFO L268 CegarLoopResult]: For program point L265(lines 265 306) no Hoare annotation was computed. [2020-07-20 16:24:45,746 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 219 321) no Hoare annotation was computed. [2020-07-20 16:24:45,746 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-07-20 16:24:45,747 INFO L268 CegarLoopResult]: For program point L284-1(line 284) no Hoare annotation was computed. [2020-07-20 16:24:45,747 INFO L268 CegarLoopResult]: For program point L243(lines 243 247) no Hoare annotation was computed. [2020-07-20 16:24:45,747 INFO L268 CegarLoopResult]: For program point L307(lines 307 318) no Hoare annotation was computed. [2020-07-20 16:24:45,747 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 219 321) no Hoare annotation was computed. [2020-07-20 16:24:45,747 INFO L268 CegarLoopResult]: For program point L270(lines 270 274) no Hoare annotation was computed. [2020-07-20 16:24:45,747 INFO L268 CegarLoopResult]: For program point L268-2(lines 268 288) no Hoare annotation was computed. [2020-07-20 16:24:45,748 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 419 428) no Hoare annotation was computed. [2020-07-20 16:24:45,748 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 419 428) no Hoare annotation was computed. [2020-07-20 16:24:45,748 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 419 428) no Hoare annotation was computed. [2020-07-20 16:24:45,748 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:24:45,749 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:24:45,749 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:24:45,749 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 567 574) no Hoare annotation was computed. [2020-07-20 16:24:45,749 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 567 574) no Hoare annotation was computed. [2020-07-20 16:24:45,749 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 567 574) no Hoare annotation was computed. [2020-07-20 16:24:45,750 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 726 734) the Hoare annotation is: true [2020-07-20 16:24:45,750 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 726 734) no Hoare annotation was computed. [2020-07-20 16:24:45,750 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 726 734) no Hoare annotation was computed. [2020-07-20 16:24:45,750 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:24:45,750 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 16:24:45,751 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:24:45,751 INFO L268 CegarLoopResult]: For program point L686-1(lines 682 693) no Hoare annotation was computed. [2020-07-20 16:24:45,751 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 682 693) the Hoare annotation is: true [2020-07-20 16:24:45,751 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 682 693) no Hoare annotation was computed. [2020-07-20 16:24:45,752 INFO L264 CegarLoopResult]: At program point L542(line 542) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 16:24:45,752 INFO L268 CegarLoopResult]: For program point L540(lines 539 558) no Hoare annotation was computed. [2020-07-20 16:24:45,752 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 536 559) the Hoare annotation is: (or (<= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 16:24:45,752 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 536 559) no Hoare annotation was computed. [2020-07-20 16:24:45,752 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 536 559) no Hoare annotation was computed. [2020-07-20 16:24:45,753 INFO L264 CegarLoopResult]: At program point L549(line 549) the Hoare annotation is: (or (<= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 16:24:45,753 INFO L264 CegarLoopResult]: At program point L547(lines 547 553) the Hoare annotation is: (or (<= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 16:24:45,753 INFO L271 CegarLoopResult]: At program point L769(line 769) the Hoare annotation is: true [2020-07-20 16:24:45,753 INFO L268 CegarLoopResult]: For program point L769-1(line 769) no Hoare annotation was computed. [2020-07-20 16:24:45,754 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 763 792) no Hoare annotation was computed. [2020-07-20 16:24:45,754 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 763 792) the Hoare annotation is: true [2020-07-20 16:24:45,754 INFO L271 CegarLoopResult]: At program point L788(lines 763 792) the Hoare annotation is: true [2020-07-20 16:24:45,754 INFO L268 CegarLoopResult]: For program point L784(line 784) no Hoare annotation was computed. [2020-07-20 16:24:45,754 INFO L268 CegarLoopResult]: For program point L777(lines 777 781) no Hoare annotation was computed. [2020-07-20 16:24:45,755 INFO L271 CegarLoopResult]: At program point L777-1(lines 777 781) the Hoare annotation is: true [2020-07-20 16:24:45,755 INFO L268 CegarLoopResult]: For program point L774(line 774) no Hoare annotation was computed. [2020-07-20 16:24:45,755 INFO L271 CegarLoopResult]: At program point L773-2(lines 773 787) the Hoare annotation is: true [2020-07-20 16:24:45,755 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 694 702) no Hoare annotation was computed. [2020-07-20 16:24:45,755 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 694 702) no Hoare annotation was computed. [2020-07-20 16:24:45,755 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 694 702) no Hoare annotation was computed. [2020-07-20 16:24:45,755 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 658 669) the Hoare annotation is: true [2020-07-20 16:24:45,756 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 658 669) no Hoare annotation was computed. [2020-07-20 16:24:45,756 INFO L268 CegarLoopResult]: For program point L662-1(lines 658 669) no Hoare annotation was computed. [2020-07-20 16:24:45,756 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 817 823) no Hoare annotation was computed. [2020-07-20 16:24:45,756 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 817 823) the Hoare annotation is: true [2020-07-20 16:24:45,757 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:24:45,757 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) [2020-07-20 16:24:45,757 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:24:45,757 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:24:45,757 INFO L268 CegarLoopResult]: For program point L674-1(lines 670 681) no Hoare annotation was computed. [2020-07-20 16:24:45,758 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 670 681) no Hoare annotation was computed. [2020-07-20 16:24:45,758 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 670 681) the Hoare annotation is: (or (<= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 16:24:45,758 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-20 16:24:45,758 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-20 16:24:45,759 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-20 16:24:45,759 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-20 16:24:45,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:24:45 BoogieIcfgContainer [2020-07-20 16:24:45,781 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 16:24:45,785 INFO L168 Benchmark]: Toolchain (without parser) took 5835.62 ms. Allocated memory was 138.9 MB in the beginning and 248.0 MB in the end (delta: 109.1 MB). Free memory was 101.2 MB in the beginning and 115.3 MB in the end (delta: -14.1 MB). Peak memory consumption was 95.0 MB. Max. memory is 7.1 GB. [2020-07-20 16:24:45,786 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 16:24:45,787 INFO L168 Benchmark]: CACSL2BoogieTranslator took 691.15 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 100.8 MB in the beginning and 173.2 MB in the end (delta: -72.4 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. [2020-07-20 16:24:45,788 INFO L168 Benchmark]: Boogie Preprocessor took 84.94 ms. Allocated memory is still 202.4 MB. Free memory was 173.2 MB in the beginning and 169.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-20 16:24:45,789 INFO L168 Benchmark]: RCFGBuilder took 1150.35 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 169.1 MB in the beginning and 203.0 MB in the end (delta: -33.9 MB). Peak memory consumption was 87.0 MB. Max. memory is 7.1 GB. [2020-07-20 16:24:45,790 INFO L168 Benchmark]: TraceAbstraction took 3902.48 ms. Allocated memory was 234.9 MB in the beginning and 248.0 MB in the end (delta: 13.1 MB). Free memory was 203.0 MB in the beginning and 115.3 MB in the end (delta: 87.7 MB). Peak memory consumption was 100.8 MB. Max. memory is 7.1 GB. [2020-07-20 16:24:45,795 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 138.9 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 691.15 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 100.8 MB in the beginning and 173.2 MB in the end (delta: -72.4 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.94 ms. Allocated memory is still 202.4 MB. Free memory was 173.2 MB in the beginning and 169.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1150.35 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 169.1 MB in the beginning and 203.0 MB in the end (delta: -33.9 MB). Peak memory consumption was 87.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3902.48 ms. Allocated memory was 234.9 MB in the beginning and 248.0 MB in the end (delta: 13.1 MB). Free memory was 203.0 MB in the beginning and 115.3 MB in the end (delta: 87.7 MB). Peak memory consumption was 100.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 467]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 468]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || ((1 <= waterLevel && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 200 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.2s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 372 SDtfs, 89 SDslu, 371 SDs, 0 SdLazy, 62 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 197 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred in iteration=0, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 140 PreInvPairs, 148 NumberOfFragments, 355 HoareAnnotationTreeSize, 140 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 155 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 199 NumberOfCodeBlocks, 165 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 195 ConstructedInterpolants, 0 QuantifiedInterpolants, 17697 SizeOfPredicates, 11 NumberOfNonLiveVariables, 2535 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...