/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_spec1_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 10:35:12,836 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 10:35:12,838 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 10:35:12,850 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 10:35:12,850 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 10:35:12,851 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 10:35:12,853 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 10:35:12,854 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 10:35:12,856 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 10:35:12,857 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 10:35:12,858 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 10:35:12,859 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 10:35:12,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 10:35:12,862 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 10:35:12,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 10:35:12,864 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 10:35:12,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 10:35:12,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 10:35:12,871 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 10:35:12,875 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 10:35:12,880 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 10:35:12,881 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 10:35:12,883 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 10:35:12,884 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 10:35:12,889 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 10:35:12,889 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 10:35:12,889 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 10:35:12,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 10:35:12,890 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 10:35:12,892 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 10:35:12,892 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 10:35:12,893 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 10:35:12,894 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 10:35:12,896 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 10:35:12,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 10:35:12,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 10:35:12,901 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 10:35:12,901 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 10:35:12,901 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 10:35:12,903 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 10:35:12,904 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 10:35:12,905 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 10:35:12,926 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 10:35:12,926 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 10:35:12,928 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 10:35:12,928 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 10:35:12,928 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 10:35:12,929 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 10:35:12,929 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 10:35:12,929 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 10:35:12,929 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 10:35:12,929 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 10:35:12,930 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 10:35:12,931 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 10:35:12,931 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 10:35:12,931 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 10:35:12,931 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 10:35:12,932 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 10:35:12,932 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 10:35:12,932 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 10:35:12,932 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 10:35:12,932 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 10:35:12,933 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 10:35:12,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:35:12,933 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 10:35:12,933 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 10:35:12,933 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 10:35:12,934 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 10:35:12,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:12,934 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 10:35:12,934 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 10:35:12,934 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-21 10:35:13,228 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 10:35:13,241 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 10:35:13,244 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 10:35:13,246 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 10:35:13,246 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 10:35:13,247 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product27.cil.c [2020-07-21 10:35:13,307 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58e1e1f0c/80c57156c71a444f9a220d8a1570ac11/FLAG7452484a5 [2020-07-21 10:35:13,807 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 10:35:13,807 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product27.cil.c [2020-07-21 10:35:13,821 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58e1e1f0c/80c57156c71a444f9a220d8a1570ac11/FLAG7452484a5 [2020-07-21 10:35:14,127 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58e1e1f0c/80c57156c71a444f9a220d8a1570ac11 [2020-07-21 10:35:14,135 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 10:35:14,137 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 10:35:14,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 10:35:14,139 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 10:35:14,142 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 10:35:14,143 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:35:14" (1/1) ... [2020-07-21 10:35:14,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57fa8424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:14, skipping insertion in model container [2020-07-21 10:35:14,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:35:14" (1/1) ... [2020-07-21 10:35:14,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 10:35:14,225 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 10:35:14,661 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:35:14,675 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 10:35:14,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:35:14,779 INFO L208 MainTranslator]: Completed translation [2020-07-21 10:35:14,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:14 WrapperNode [2020-07-21 10:35:14,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 10:35:14,780 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 10:35:14,780 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 10:35:14,780 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 10:35:14,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:14" (1/1) ... [2020-07-21 10:35:14,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:14" (1/1) ... [2020-07-21 10:35:14,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:14" (1/1) ... [2020-07-21 10:35:14,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:14" (1/1) ... [2020-07-21 10:35:14,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:14" (1/1) ... [2020-07-21 10:35:14,851 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:14" (1/1) ... [2020-07-21 10:35:14,856 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:14" (1/1) ... [2020-07-21 10:35:14,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 10:35:14,865 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 10:35:14,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 10:35:14,865 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 10:35:14,869 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:35:14,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 10:35:14,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 10:35:14,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 10:35:14,930 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 10:35:14,930 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 10:35:14,931 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 10:35:14,931 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 10:35:14,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 10:35:14,931 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 10:35:14,931 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 10:35:14,931 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 10:35:14,932 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 10:35:14,932 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 10:35:14,932 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 10:35:14,932 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 10:35:14,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-07-21 10:35:14,932 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 10:35:14,932 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 10:35:14,933 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 10:35:14,933 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 10:35:14,933 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 10:35:14,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 10:35:14,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 10:35:14,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 10:35:14,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 10:35:14,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 10:35:14,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 10:35:14,934 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 10:35:14,934 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 10:35:14,934 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 10:35:14,935 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 10:35:14,935 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-21 10:35:14,935 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 10:35:14,935 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 10:35:14,935 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 10:35:14,935 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 10:35:14,936 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 10:35:14,936 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 10:35:14,936 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-21 10:35:14,936 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 10:35:14,936 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 10:35:14,936 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 10:35:14,937 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 10:35:14,937 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 10:35:14,937 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 10:35:14,937 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 10:35:14,937 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 10:35:14,937 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 10:35:14,937 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 10:35:14,938 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 10:35:14,938 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 10:35:14,938 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 10:35:14,938 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 10:35:14,938 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 10:35:14,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 10:35:14,938 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 10:35:14,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-07-21 10:35:14,939 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 10:35:14,939 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 10:35:14,939 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 10:35:14,939 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 10:35:14,939 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 10:35:14,940 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 10:35:14,940 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 10:35:14,940 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 10:35:14,940 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 10:35:14,940 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 10:35:14,940 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 10:35:14,941 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 10:35:14,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 10:35:14,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 10:35:14,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 10:35:14,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 10:35:14,941 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 10:35:14,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 10:35:14,942 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 10:35:14,942 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 10:35:14,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 10:35:14,942 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 10:35:14,942 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 10:35:14,942 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 10:35:14,943 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-21 10:35:14,943 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 10:35:14,943 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 10:35:14,943 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 10:35:14,943 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 10:35:14,943 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 10:35:14,944 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-21 10:35:14,944 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 10:35:14,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 10:35:14,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 10:35:14,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 10:35:15,890 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 10:35:15,890 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 10:35:15,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:35:15 BoogieIcfgContainer [2020-07-21 10:35:15,895 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 10:35:15,896 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 10:35:15,896 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 10:35:15,899 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 10:35:15,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:35:14" (1/3) ... [2020-07-21 10:35:15,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@131ae17b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:35:15, skipping insertion in model container [2020-07-21 10:35:15,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:14" (2/3) ... [2020-07-21 10:35:15,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@131ae17b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:35:15, skipping insertion in model container [2020-07-21 10:35:15,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:35:15" (3/3) ... [2020-07-21 10:35:15,903 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product27.cil.c [2020-07-21 10:35:15,913 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 10:35:15,920 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 10:35:15,934 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 10:35:15,957 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 10:35:15,957 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 10:35:15,958 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 10:35:15,958 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 10:35:15,958 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 10:35:15,958 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 10:35:15,958 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 10:35:15,958 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 10:35:15,980 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states. [2020-07-21 10:35:15,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-21 10:35:15,989 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:15,990 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] [2020-07-21 10:35:15,991 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:15,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:15,997 INFO L82 PathProgramCache]: Analyzing trace with hash 1851171777, now seen corresponding path program 1 times [2020-07-21 10:35:16,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:16,007 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [405667606] [2020-07-21 10:35:16,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:16,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:16,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 10:35:16,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:16,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:35:16,281 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:16,282 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [405667606] [2020-07-21 10:35:16,283 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:16,283 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 10:35:16,284 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783445079] [2020-07-21 10:35:16,289 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 10:35:16,290 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:16,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 10:35:16,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:35:16,306 INFO L87 Difference]: Start difference. First operand 164 states. Second operand 2 states. [2020-07-21 10:35:16,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:16,351 INFO L93 Difference]: Finished difference Result 220 states and 275 transitions. [2020-07-21 10:35:16,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 10:35:16,353 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-21 10:35:16,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:16,364 INFO L225 Difference]: With dead ends: 220 [2020-07-21 10:35:16,364 INFO L226 Difference]: Without dead ends: 110 [2020-07-21 10:35:16,368 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 [2020-07-21 10:35:16,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-07-21 10:35:16,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-07-21 10:35:16,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-07-21 10:35:16,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2020-07-21 10:35:16,425 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 46 [2020-07-21 10:35:16,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:16,425 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2020-07-21 10:35:16,425 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 10:35:16,426 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2020-07-21 10:35:16,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-21 10:35:16,434 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:16,434 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] [2020-07-21 10:35:16,649 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:16,649 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:16,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:16,650 INFO L82 PathProgramCache]: Analyzing trace with hash -1354219367, now seen corresponding path program 1 times [2020-07-21 10:35:16,650 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:16,650 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [737279166] [2020-07-21 10:35:16,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:16,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:16,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 10:35:16,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:16,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:35:16,934 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:16,935 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [737279166] [2020-07-21 10:35:16,935 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:16,935 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:35:16,936 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573799003] [2020-07-21 10:35:16,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:35:16,938 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:16,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:35:16,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:35:16,938 INFO L87 Difference]: Start difference. First operand 110 states and 129 transitions. Second operand 3 states. [2020-07-21 10:35:16,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:16,957 INFO L93 Difference]: Finished difference Result 163 states and 189 transitions. [2020-07-21 10:35:16,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:35:16,958 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-21 10:35:16,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:16,960 INFO L225 Difference]: With dead ends: 163 [2020-07-21 10:35:16,960 INFO L226 Difference]: Without dead ends: 101 [2020-07-21 10:35:16,961 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 [2020-07-21 10:35:16,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-07-21 10:35:16,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-07-21 10:35:16,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-07-21 10:35:16,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2020-07-21 10:35:16,974 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 47 [2020-07-21 10:35:16,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:16,974 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 117 transitions. [2020-07-21 10:35:16,974 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:35:16,975 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2020-07-21 10:35:16,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-21 10:35:16,977 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:16,977 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:35:17,190 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:17,191 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:17,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:17,192 INFO L82 PathProgramCache]: Analyzing trace with hash 1234220754, now seen corresponding path program 1 times [2020-07-21 10:35:17,193 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:17,194 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2020077778] [2020-07-21 10:35:17,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:17,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:17,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 10:35:17,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:17,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:35:17,398 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:17,399 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2020077778] [2020-07-21 10:35:17,399 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:17,399 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:35:17,400 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389872176] [2020-07-21 10:35:17,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:35:17,401 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:17,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:35:17,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:35:17,401 INFO L87 Difference]: Start difference. First operand 101 states and 117 transitions. Second operand 3 states. [2020-07-21 10:35:17,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:17,426 INFO L93 Difference]: Finished difference Result 253 states and 303 transitions. [2020-07-21 10:35:17,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:35:17,427 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-07-21 10:35:17,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:17,431 INFO L225 Difference]: With dead ends: 253 [2020-07-21 10:35:17,431 INFO L226 Difference]: Without dead ends: 176 [2020-07-21 10:35:17,432 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:35:17,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2020-07-21 10:35:17,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 172. [2020-07-21 10:35:17,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-07-21 10:35:17,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 205 transitions. [2020-07-21 10:35:17,458 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 205 transitions. Word has length 51 [2020-07-21 10:35:17,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:17,458 INFO L479 AbstractCegarLoop]: Abstraction has 172 states and 205 transitions. [2020-07-21 10:35:17,458 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:35:17,458 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 205 transitions. [2020-07-21 10:35:17,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-21 10:35:17,462 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:17,462 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:35:17,677 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:17,678 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:17,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:17,678 INFO L82 PathProgramCache]: Analyzing trace with hash 1809763606, now seen corresponding path program 1 times [2020-07-21 10:35:17,679 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:17,679 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1326284202] [2020-07-21 10:35:17,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:17,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:17,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 10:35:17,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:17,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:35:17,902 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:17,902 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1326284202] [2020-07-21 10:35:17,903 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:17,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:35:17,903 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67449787] [2020-07-21 10:35:17,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:35:17,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:17,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:35:17,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:35:17,906 INFO L87 Difference]: Start difference. First operand 172 states and 205 transitions. Second operand 6 states. [2020-07-21 10:35:18,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:18,102 INFO L93 Difference]: Finished difference Result 275 states and 338 transitions. [2020-07-21 10:35:18,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 10:35:18,103 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2020-07-21 10:35:18,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:18,103 INFO L225 Difference]: With dead ends: 275 [2020-07-21 10:35:18,104 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 10:35:18,106 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:35:18,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 10:35:18,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 10:35:18,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 10:35:18,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 10:35:18,107 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 57 [2020-07-21 10:35:18,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:18,107 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 10:35:18,107 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:35:18,107 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 10:35:18,108 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 10:35:18,308 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:18,310 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 10:35:18,794 INFO L268 CegarLoopResult]: For program point L386-2(lines 386 407) no Hoare annotation was computed. [2020-07-21 10:35:18,794 INFO L268 CegarLoopResult]: For program point L408(lines 385 409) no Hoare annotation was computed. [2020-07-21 10:35:18,794 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 361 416) no Hoare annotation was computed. [2020-07-21 10:35:18,794 INFO L268 CegarLoopResult]: For program point L392(lines 392 396) no Hoare annotation was computed. [2020-07-21 10:35:18,794 INFO L268 CegarLoopResult]: For program point L392-1(lines 392 396) no Hoare annotation was computed. [2020-07-21 10:35:18,794 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 361 416) no Hoare annotation was computed. [2020-07-21 10:35:18,795 INFO L268 CegarLoopResult]: For program point L387(line 387) no Hoare annotation was computed. [2020-07-21 10:35:18,795 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 361 416) no Hoare annotation was computed. [2020-07-21 10:35:18,795 INFO L268 CegarLoopResult]: For program point L449(lines 449 453) no Hoare annotation was computed. [2020-07-21 10:35:18,795 INFO L268 CegarLoopResult]: For program point L449-1(lines 449 453) no Hoare annotation was computed. [2020-07-21 10:35:18,795 INFO L268 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-07-21 10:35:18,795 INFO L268 CegarLoopResult]: For program point L443-2(lines 443 468) no Hoare annotation was computed. [2020-07-21 10:35:18,795 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 417 476) no Hoare annotation was computed. [2020-07-21 10:35:18,796 INFO L268 CegarLoopResult]: For program point L469(lines 442 470) no Hoare annotation was computed. [2020-07-21 10:35:18,796 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 417 476) no Hoare annotation was computed. [2020-07-21 10:35:18,796 INFO L268 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-07-21 10:35:18,796 INFO L268 CegarLoopResult]: For program point L462-1(line 462) no Hoare annotation was computed. [2020-07-21 10:35:18,796 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 417 476) no Hoare annotation was computed. [2020-07-21 10:35:18,796 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-07-21 10:35:18,796 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-07-21 10:35:18,797 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-07-21 10:35:18,797 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-07-21 10:35:18,797 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-07-21 10:35:18,797 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 285 307) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:18,797 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 285 307) no Hoare annotation was computed. [2020-07-21 10:35:18,797 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 285 307) no Hoare annotation was computed. [2020-07-21 10:35:18,798 INFO L264 CegarLoopResult]: At program point L297(line 297) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:18,798 INFO L264 CegarLoopResult]: At program point L297-1(line 297) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:18,798 INFO L268 CegarLoopResult]: For program point L295(lines 295 302) no Hoare annotation was computed. [2020-07-21 10:35:18,798 INFO L268 CegarLoopResult]: For program point L295-1(lines 295 302) no Hoare annotation was computed. [2020-07-21 10:35:18,798 INFO L268 CegarLoopResult]: For program point L293(line 293) no Hoare annotation was computed. [2020-07-21 10:35:18,798 INFO L264 CegarLoopResult]: At program point L292(line 292) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:18,799 INFO L264 CegarLoopResult]: At program point L291(line 291) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:18,799 INFO L264 CegarLoopResult]: At program point L291-1(line 291) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:18,799 INFO L268 CegarLoopResult]: For program point L257(line 257) no Hoare annotation was computed. [2020-07-21 10:35:18,799 INFO L268 CegarLoopResult]: For program point L256(line 256) no Hoare annotation was computed. [2020-07-21 10:35:18,799 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 243 266) no Hoare annotation was computed. [2020-07-21 10:35:18,799 INFO L268 CegarLoopResult]: For program point L255(line 255) no Hoare annotation was computed. [2020-07-21 10:35:18,800 INFO L268 CegarLoopResult]: For program point L254(line 254) no Hoare annotation was computed. [2020-07-21 10:35:18,800 INFO L268 CegarLoopResult]: For program point L253(line 253) no Hoare annotation was computed. [2020-07-21 10:35:18,800 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 243 266) no Hoare annotation was computed. [2020-07-21 10:35:18,800 INFO L268 CegarLoopResult]: For program point L252(line 252) no Hoare annotation was computed. [2020-07-21 10:35:18,800 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 243 266) no Hoare annotation was computed. [2020-07-21 10:35:18,800 INFO L268 CegarLoopResult]: For program point L251(line 251) no Hoare annotation was computed. [2020-07-21 10:35:18,800 INFO L268 CegarLoopResult]: For program point L250(line 250) no Hoare annotation was computed. [2020-07-21 10:35:18,800 INFO L268 CegarLoopResult]: For program point L249(line 249) no Hoare annotation was computed. [2020-07-21 10:35:18,801 INFO L268 CegarLoopResult]: For program point L248(line 248) no Hoare annotation was computed. [2020-07-21 10:35:18,801 INFO L268 CegarLoopResult]: For program point L261(line 261) no Hoare annotation was computed. [2020-07-21 10:35:18,801 INFO L268 CegarLoopResult]: For program point L260(line 260) no Hoare annotation was computed. [2020-07-21 10:35:18,801 INFO L268 CegarLoopResult]: For program point L259(line 259) no Hoare annotation was computed. [2020-07-21 10:35:18,801 INFO L268 CegarLoopResult]: For program point L258(line 258) no Hoare annotation was computed. [2020-07-21 10:35:18,801 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 914 928) no Hoare annotation was computed. [2020-07-21 10:35:18,802 INFO L264 CegarLoopResult]: At program point L920(line 920) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 10:35:18,802 INFO L268 CegarLoopResult]: For program point L918(lines 918 924) no Hoare annotation was computed. [2020-07-21 10:35:18,802 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 914 928) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= 0 ~pumpRunning~0)) (or .cse0 (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))))) [2020-07-21 10:35:18,802 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 914 928) no Hoare annotation was computed. [2020-07-21 10:35:18,802 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 850 858) no Hoare annotation was computed. [2020-07-21 10:35:18,802 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 850 858) the Hoare annotation is: true [2020-07-21 10:35:18,802 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 850 858) no Hoare annotation was computed. [2020-07-21 10:35:18,803 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 895 913) the Hoare annotation is: true [2020-07-21 10:35:18,803 INFO L268 CegarLoopResult]: For program point L904(lines 904 908) no Hoare annotation was computed. [2020-07-21 10:35:18,803 INFO L271 CegarLoopResult]: At program point L902(line 902) the Hoare annotation is: true [2020-07-21 10:35:18,803 INFO L268 CegarLoopResult]: For program point L904-2(lines 904 908) no Hoare annotation was computed. [2020-07-21 10:35:18,803 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 895 913) no Hoare annotation was computed. [2020-07-21 10:35:18,803 INFO L268 CegarLoopResult]: For program point L902-1(line 902) no Hoare annotation was computed. [2020-07-21 10:35:18,803 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 895 913) no Hoare annotation was computed. [2020-07-21 10:35:18,803 INFO L268 CegarLoopResult]: For program point L866-2(lines 866 874) no Hoare annotation was computed. [2020-07-21 10:35:18,804 INFO L268 CegarLoopResult]: For program point L889(line 889) no Hoare annotation was computed. [2020-07-21 10:35:18,804 INFO L268 CegarLoopResult]: For program point L889-1(line 889) no Hoare annotation was computed. [2020-07-21 10:35:18,804 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 859 894) no Hoare annotation was computed. [2020-07-21 10:35:18,804 INFO L268 CegarLoopResult]: For program point L878(lines 878 886) no Hoare annotation was computed. [2020-07-21 10:35:18,804 INFO L268 CegarLoopResult]: For program point L878-2(lines 878 886) no Hoare annotation was computed. [2020-07-21 10:35:18,804 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 859 894) no Hoare annotation was computed. [2020-07-21 10:35:18,804 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 859 894) no Hoare annotation was computed. [2020-07-21 10:35:18,804 INFO L268 CegarLoopResult]: For program point L866(lines 866 874) no Hoare annotation was computed. [2020-07-21 10:35:18,805 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-07-21 10:35:18,805 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-07-21 10:35:18,805 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 315 360) no Hoare annotation was computed. [2020-07-21 10:35:18,805 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 315 360) no Hoare annotation was computed. [2020-07-21 10:35:18,805 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 315 360) no Hoare annotation was computed. [2020-07-21 10:35:18,805 INFO L268 CegarLoopResult]: For program point L642-1(lines 642 662) no Hoare annotation was computed. [2020-07-21 10:35:18,805 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 628 673) no Hoare annotation was computed. [2020-07-21 10:35:18,805 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 628 673) no Hoare annotation was computed. [2020-07-21 10:35:18,806 INFO L268 CegarLoopResult]: For program point L648(lines 648 655) no Hoare annotation was computed. [2020-07-21 10:35:18,806 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 628 673) no Hoare annotation was computed. [2020-07-21 10:35:18,806 INFO L268 CegarLoopResult]: For program point L642(lines 642 662) no Hoare annotation was computed. [2020-07-21 10:35:18,806 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 275 284) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:18,806 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 275 284) no Hoare annotation was computed. [2020-07-21 10:35:18,806 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 275 284) no Hoare annotation was computed. [2020-07-21 10:35:18,806 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 839 849) no Hoare annotation was computed. [2020-07-21 10:35:18,806 INFO L268 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-07-21 10:35:18,807 INFO L268 CegarLoopResult]: For program point L844-1(line 844) no Hoare annotation was computed. [2020-07-21 10:35:18,807 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 839 849) no Hoare annotation was computed. [2020-07-21 10:35:18,807 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 839 849) no Hoare annotation was computed. [2020-07-21 10:35:18,807 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 831 838) the Hoare annotation is: true [2020-07-21 10:35:18,807 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 831 838) no Hoare annotation was computed. [2020-07-21 10:35:18,807 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 831 838) no Hoare annotation was computed. [2020-07-21 10:35:18,807 INFO L264 CegarLoopResult]: At program point L799(line 799) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:18,808 INFO L268 CegarLoopResult]: For program point L799-1(lines 780 804) no Hoare annotation was computed. [2020-07-21 10:35:18,808 INFO L264 CegarLoopResult]: At program point L794(line 794) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 10:35:18,808 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 780 804) no Hoare annotation was computed. [2020-07-21 10:35:18,808 INFO L264 CegarLoopResult]: At program point L790(line 790) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 10:35:18,808 INFO L268 CegarLoopResult]: For program point L788(lines 788 796) no Hoare annotation was computed. [2020-07-21 10:35:18,808 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 780 804) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:18,809 INFO L264 CegarLoopResult]: At program point L786(line 786) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 10:35:18,809 INFO L268 CegarLoopResult]: For program point L786-1(line 786) no Hoare annotation was computed. [2020-07-21 10:35:18,809 INFO L268 CegarLoopResult]: For program point L784(lines 784 801) no Hoare annotation was computed. [2020-07-21 10:35:18,809 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 772 778) no Hoare annotation was computed. [2020-07-21 10:35:18,809 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 772 778) the Hoare annotation is: true [2020-07-21 10:35:18,809 INFO L268 CegarLoopResult]: For program point L706-1(lines 706 712) no Hoare annotation was computed. [2020-07-21 10:35:18,809 INFO L264 CegarLoopResult]: At program point testENTRY(lines 676 741) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:18,809 INFO L264 CegarLoopResult]: At program point L731(lines 686 733) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:18,810 INFO L264 CegarLoopResult]: At program point L698(line 698) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:18,810 INFO L268 CegarLoopResult]: For program point L696(lines 696 702) no Hoare annotation was computed. [2020-07-21 10:35:18,810 INFO L268 CegarLoopResult]: For program point L696-1(lines 696 702) no Hoare annotation was computed. [2020-07-21 10:35:18,810 INFO L268 CegarLoopResult]: For program point testFINAL(lines 676 741) no Hoare annotation was computed. [2020-07-21 10:35:18,810 INFO L268 CegarLoopResult]: For program point L688(lines 688 692) no Hoare annotation was computed. [2020-07-21 10:35:18,811 INFO L264 CegarLoopResult]: At program point L734(lines 685 735) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:18,811 INFO L264 CegarLoopResult]: At program point L724(line 724) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:18,811 INFO L268 CegarLoopResult]: For program point L722(lines 722 728) no Hoare annotation was computed. [2020-07-21 10:35:18,811 INFO L264 CegarLoopResult]: At program point L722-1(lines 716 729) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:18,811 INFO L268 CegarLoopResult]: For program point L687(lines 686 733) no Hoare annotation was computed. [2020-07-21 10:35:18,811 INFO L268 CegarLoopResult]: For program point L716(lines 716 729) no Hoare annotation was computed. [2020-07-21 10:35:18,811 INFO L264 CegarLoopResult]: At program point L708(line 708) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:18,812 INFO L268 CegarLoopResult]: For program point testEXIT(lines 676 741) no Hoare annotation was computed. [2020-07-21 10:35:18,812 INFO L268 CegarLoopResult]: For program point L706(lines 706 712) no Hoare annotation was computed. [2020-07-21 10:35:18,812 INFO L268 CegarLoopResult]: For program point L602(lines 602 609) no Hoare annotation was computed. [2020-07-21 10:35:18,812 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 582 627) no Hoare annotation was computed. [2020-07-21 10:35:18,812 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 582 627) no Hoare annotation was computed. [2020-07-21 10:35:18,812 INFO L268 CegarLoopResult]: For program point L596(lines 596 616) no Hoare annotation was computed. [2020-07-21 10:35:18,812 INFO L268 CegarLoopResult]: For program point L596-1(lines 596 616) no Hoare annotation was computed. [2020-07-21 10:35:18,813 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 582 627) no Hoare annotation was computed. [2020-07-21 10:35:18,813 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 805 812) no Hoare annotation was computed. [2020-07-21 10:35:18,813 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 805 812) no Hoare annotation was computed. [2020-07-21 10:35:18,813 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 805 812) no Hoare annotation was computed. [2020-07-21 10:35:18,813 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 173 181) no Hoare annotation was computed. [2020-07-21 10:35:18,813 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 173 181) the Hoare annotation is: true [2020-07-21 10:35:18,813 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 173 181) no Hoare annotation was computed. [2020-07-21 10:35:18,814 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 141 163) no Hoare annotation was computed. [2020-07-21 10:35:18,814 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 141 163) no Hoare annotation was computed. [2020-07-21 10:35:18,814 INFO L268 CegarLoopResult]: For program point L149(lines 149 157) no Hoare annotation was computed. [2020-07-21 10:35:18,814 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 141 163) no Hoare annotation was computed. [2020-07-21 10:35:18,814 INFO L268 CegarLoopResult]: For program point L149-2(lines 149 157) no Hoare annotation was computed. [2020-07-21 10:35:18,814 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-07-21 10:35:18,814 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-07-21 10:35:18,814 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-07-21 10:35:18,815 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 479 581) no Hoare annotation was computed. [2020-07-21 10:35:18,815 INFO L268 CegarLoopResult]: For program point L508(lines 508 524) no Hoare annotation was computed. [2020-07-21 10:35:18,815 INFO L268 CegarLoopResult]: For program point L568(lines 568 575) no Hoare annotation was computed. [2020-07-21 10:35:18,815 INFO L268 CegarLoopResult]: For program point L529(lines 528 548) no Hoare annotation was computed. [2020-07-21 10:35:18,815 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-07-21 10:35:18,815 INFO L268 CegarLoopResult]: For program point L560-1(line 560) no Hoare annotation was computed. [2020-07-21 10:35:18,815 INFO L268 CegarLoopResult]: For program point L525(lines 525 566) no Hoare annotation was computed. [2020-07-21 10:35:18,815 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 479 581) no Hoare annotation was computed. [2020-07-21 10:35:18,816 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-21 10:35:18,816 INFO L268 CegarLoopResult]: For program point L544-1(line 544) no Hoare annotation was computed. [2020-07-21 10:35:18,816 INFO L268 CegarLoopResult]: For program point L503(lines 503 507) no Hoare annotation was computed. [2020-07-21 10:35:18,816 INFO L268 CegarLoopResult]: For program point L567(lines 567 578) no Hoare annotation was computed. [2020-07-21 10:35:18,816 INFO L268 CegarLoopResult]: For program point L530(lines 530 534) no Hoare annotation was computed. [2020-07-21 10:35:18,816 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 479 581) no Hoare annotation was computed. [2020-07-21 10:35:18,816 INFO L268 CegarLoopResult]: For program point L528-2(lines 528 548) no Hoare annotation was computed. [2020-07-21 10:35:18,816 INFO L268 CegarLoopResult]: For program point L549(lines 527 550) no Hoare annotation was computed. [2020-07-21 10:35:18,817 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:35:18,817 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:35:18,817 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:35:18,817 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 814 830) no Hoare annotation was computed. [2020-07-21 10:35:18,817 INFO L268 CegarLoopResult]: For program point L825(line 825) no Hoare annotation was computed. [2020-07-21 10:35:18,817 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 814 830) no Hoare annotation was computed. [2020-07-21 10:35:18,817 INFO L268 CegarLoopResult]: For program point L825-1(lines 814 830) no Hoare annotation was computed. [2020-07-21 10:35:18,817 INFO L268 CegarLoopResult]: For program point L821(lines 821 827) no Hoare annotation was computed. [2020-07-21 10:35:18,817 INFO L268 CegarLoopResult]: For program point L819(line 819) no Hoare annotation was computed. [2020-07-21 10:35:18,818 INFO L268 CegarLoopResult]: For program point L819-1(line 819) no Hoare annotation was computed. [2020-07-21 10:35:18,818 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 164 172) no Hoare annotation was computed. [2020-07-21 10:35:18,818 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 164 172) no Hoare annotation was computed. [2020-07-21 10:35:18,818 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 164 172) no Hoare annotation was computed. [2020-07-21 10:35:18,818 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 120 131) the Hoare annotation is: true [2020-07-21 10:35:18,818 INFO L268 CegarLoopResult]: For program point L124-1(lines 120 131) no Hoare annotation was computed. [2020-07-21 10:35:18,818 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 120 131) no Hoare annotation was computed. [2020-07-21 10:35:18,818 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:35:18,819 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 10:35:18,819 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:35:18,819 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 132 140) the Hoare annotation is: true [2020-07-21 10:35:18,819 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 132 140) no Hoare annotation was computed. [2020-07-21 10:35:18,819 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 132 140) no Hoare annotation was computed. [2020-07-21 10:35:18,819 INFO L264 CegarLoopResult]: At program point L761(line 761) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:18,819 INFO L264 CegarLoopResult]: At program point L759(lines 759 765) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:18,820 INFO L264 CegarLoopResult]: At program point L754(line 754) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 10:35:18,820 INFO L268 CegarLoopResult]: For program point L752(lines 751 770) no Hoare annotation was computed. [2020-07-21 10:35:18,820 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 748 771) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:18,820 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 748 771) no Hoare annotation was computed. [2020-07-21 10:35:18,820 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 748 771) no Hoare annotation was computed. [2020-07-21 10:35:18,820 INFO L271 CegarLoopResult]: At program point L226-1(lines 226 230) the Hoare annotation is: true [2020-07-21 10:35:18,820 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 212 241) no Hoare annotation was computed. [2020-07-21 10:35:18,820 INFO L268 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-07-21 10:35:18,821 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 212 241) the Hoare annotation is: true [2020-07-21 10:35:18,821 INFO L271 CegarLoopResult]: At program point L222-2(lines 222 236) the Hoare annotation is: true [2020-07-21 10:35:18,821 INFO L271 CegarLoopResult]: At program point L218(line 218) the Hoare annotation is: true [2020-07-21 10:35:18,821 INFO L268 CegarLoopResult]: For program point L218-1(line 218) no Hoare annotation was computed. [2020-07-21 10:35:18,821 INFO L271 CegarLoopResult]: At program point L237(lines 212 241) the Hoare annotation is: true [2020-07-21 10:35:18,821 INFO L268 CegarLoopResult]: For program point L233(line 233) no Hoare annotation was computed. [2020-07-21 10:35:18,821 INFO L268 CegarLoopResult]: For program point L226(lines 226 230) no Hoare annotation was computed. [2020-07-21 10:35:18,821 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 96 107) the Hoare annotation is: true [2020-07-21 10:35:18,822 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 96 107) no Hoare annotation was computed. [2020-07-21 10:35:18,822 INFO L268 CegarLoopResult]: For program point L100-1(lines 96 107) no Hoare annotation was computed. [2020-07-21 10:35:18,822 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 267 273) no Hoare annotation was computed. [2020-07-21 10:35:18,822 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 267 273) the Hoare annotation is: true [2020-07-21 10:35:18,822 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:35:18,822 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-21 10:35:18,822 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:35:18,823 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:35:18,823 INFO L268 CegarLoopResult]: For program point L112-1(lines 108 119) no Hoare annotation was computed. [2020-07-21 10:35:18,823 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 108 119) no Hoare annotation was computed. [2020-07-21 10:35:18,823 INFO L271 CegarLoopResult]: At program point waterRiseENTRY(lines 108 119) the Hoare annotation is: true [2020-07-21 10:35:18,823 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 78 85) no Hoare annotation was computed. [2020-07-21 10:35:18,823 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2020-07-21 10:35:18,823 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 78 85) the Hoare annotation is: true [2020-07-21 10:35:18,824 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 78 85) no Hoare annotation was computed. [2020-07-21 10:35:18,824 INFO L268 CegarLoopResult]: For program point L194-1(line 194) no Hoare annotation was computed. [2020-07-21 10:35:18,824 INFO L268 CegarLoopResult]: For program point L192(lines 192 205) no Hoare annotation was computed. [2020-07-21 10:35:18,824 INFO L268 CegarLoopResult]: For program point L192-1(lines 184 208) no Hoare annotation was computed. [2020-07-21 10:35:18,824 INFO L271 CegarLoopResult]: At program point L190(line 190) the Hoare annotation is: true [2020-07-21 10:35:18,824 INFO L268 CegarLoopResult]: For program point L190-1(line 190) no Hoare annotation was computed. [2020-07-21 10:35:18,824 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 184 208) the Hoare annotation is: true [2020-07-21 10:35:18,825 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 184 208) no Hoare annotation was computed. [2020-07-21 10:35:18,825 INFO L264 CegarLoopResult]: At program point L198(line 198) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2020-07-21 10:35:18,825 INFO L268 CegarLoopResult]: For program point L196(lines 196 202) no Hoare annotation was computed. [2020-07-21 10:35:18,825 INFO L271 CegarLoopResult]: At program point L194(line 194) the Hoare annotation is: true [2020-07-21 10:35:18,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:35:18 BoogieIcfgContainer [2020-07-21 10:35:18,842 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 10:35:18,846 INFO L168 Benchmark]: Toolchain (without parser) took 4707.89 ms. Allocated memory was 138.9 MB in the beginning and 247.5 MB in the end (delta: 108.5 MB). Free memory was 101.0 MB in the beginning and 125.0 MB in the end (delta: -24.0 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:18,848 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 10:35:18,849 INFO L168 Benchmark]: CACSL2BoogieTranslator took 641.23 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 100.6 MB in the beginning and 170.5 MB in the end (delta: -69.9 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:18,855 INFO L168 Benchmark]: Boogie Preprocessor took 84.89 ms. Allocated memory is still 202.9 MB. Free memory was 170.5 MB in the beginning and 166.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:18,857 INFO L168 Benchmark]: RCFGBuilder took 1030.13 ms. Allocated memory was 202.9 MB in the beginning and 237.0 MB in the end (delta: 34.1 MB). Free memory was 166.5 MB in the beginning and 197.8 MB in the end (delta: -31.3 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:18,857 INFO L168 Benchmark]: TraceAbstraction took 2946.20 ms. Allocated memory was 237.0 MB in the beginning and 247.5 MB in the end (delta: 10.5 MB). Free memory was 196.4 MB in the beginning and 125.0 MB in the end (delta: 71.4 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:18,869 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 641.23 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 100.6 MB in the beginning and 170.5 MB in the end (delta: -69.9 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.89 ms. Allocated memory is still 202.9 MB. Free memory was 170.5 MB in the beginning and 166.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1030.13 ms. Allocated memory was 202.9 MB in the beginning and 237.0 MB in the end (delta: 34.1 MB). Free memory was 166.5 MB in the beginning and 197.8 MB in the end (delta: -31.3 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2946.20 ms. Allocated memory was 237.0 MB in the beginning and 247.5 MB in the end (delta: 10.5 MB). Free memory was 196.4 MB in the beginning and 125.0 MB in the end (delta: 71.4 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: 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: 685]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(1 <= \old(systemActive)) - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter <= 0)) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 227 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.3s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 485 SDtfs, 161 SDslu, 392 SDs, 0 SdLazy, 59 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 199 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=172occurred in iteration=3, 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, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 217 PreInvPairs, 232 NumberOfFragments, 334 HoareAnnotationTreeSize, 217 FomulaSimplifications, 55 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 52 FomulaSimplificationsInter, 401 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 201 NumberOfCodeBlocks, 201 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 197 ConstructedInterpolants, 0 QuantifiedInterpolants, 15389 SizeOfPredicates, 7 NumberOfNonLiveVariables, 2630 ConjunctsInSsa, 22 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...