/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_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 10:40:16,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 10:40:16,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 10:40:16,776 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 10:40:16,776 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 10:40:16,779 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 10:40:16,780 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 10:40:16,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 10:40:16,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 10:40:16,799 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 10:40:16,800 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 10:40:16,802 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 10:40:16,803 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 10:40:16,806 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 10:40:16,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 10:40:16,810 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 10:40:16,812 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 10:40:16,814 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 10:40:16,815 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 10:40:16,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 10:40:16,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 10:40:16,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 10:40:16,829 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 10:40:16,831 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 10:40:16,834 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 10:40:16,834 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 10:40:16,834 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 10:40:16,837 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 10:40:16,838 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 10:40:16,840 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 10:40:16,840 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 10:40:16,842 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 10:40:16,842 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 10:40:16,843 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 10:40:16,846 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 10:40:16,847 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 10:40:16,847 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 10:40:16,848 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 10:40:16,848 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 10:40:16,849 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 10:40:16,850 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 10:40:16,851 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 10:40:16,870 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 10:40:16,871 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 10:40:16,872 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 10:40:16,872 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 10:40:16,873 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 10:40:16,873 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 10:40:16,873 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 10:40:16,873 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 10:40:16,874 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 10:40:16,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 10:40:16,874 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 10:40:16,874 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 10:40:16,874 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 10:40:16,875 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 10:40:16,875 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 10:40:16,875 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 10:40:16,875 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 10:40:16,876 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 10:40:16,876 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 10:40:16,876 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 10:40:16,876 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 10:40:16,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 10:40:16,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 10:40:16,877 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 10:40:16,877 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 10:40:16,877 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 10:40:16,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:16,878 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 10:40:16,878 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 10:40:16,878 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-20 10:40:17,175 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 10:40:17,192 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 10:40:17,198 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 10:40:17,199 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 10:40:17,200 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 10:40:17,200 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product26.cil.c [2020-07-20 10:40:17,277 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d62d5df1/1dd6fee116394e878b11f0421cb8cda3/FLAG33696e1bc [2020-07-20 10:40:17,925 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 10:40:17,925 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product26.cil.c [2020-07-20 10:40:17,943 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d62d5df1/1dd6fee116394e878b11f0421cb8cda3/FLAG33696e1bc [2020-07-20 10:40:18,218 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d62d5df1/1dd6fee116394e878b11f0421cb8cda3 [2020-07-20 10:40:18,228 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 10:40:18,231 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 10:40:18,232 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 10:40:18,232 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 10:40:18,235 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 10:40:18,236 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:40:18" (1/1) ... [2020-07-20 10:40:18,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ac60866 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:40:18, skipping insertion in model container [2020-07-20 10:40:18,240 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:40:18" (1/1) ... [2020-07-20 10:40:18,247 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 10:40:18,289 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 10:40:18,748 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:40:18,775 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 10:40:18,877 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:40:18,914 INFO L208 MainTranslator]: Completed translation [2020-07-20 10:40:18,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:40:18 WrapperNode [2020-07-20 10:40:18,914 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 10:40:18,915 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 10:40:18,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 10:40:18,915 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 10:40:18,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:40:18" (1/1) ... [2020-07-20 10:40:18,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:40:18" (1/1) ... [2020-07-20 10:40:18,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:40:18" (1/1) ... [2020-07-20 10:40:18,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:40:18" (1/1) ... [2020-07-20 10:40:18,993 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:40:18" (1/1) ... [2020-07-20 10:40:19,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:40:18" (1/1) ... [2020-07-20 10:40:19,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:40:18" (1/1) ... [2020-07-20 10:40:19,016 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 10:40:19,016 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 10:40:19,016 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 10:40:19,017 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 10:40:19,017 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:40:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 10:40:19,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 10:40:19,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 10:40:19,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 10:40:19,102 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 10:40:19,102 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 10:40:19,102 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 10:40:19,103 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 10:40:19,103 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 10:40:19,104 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 10:40:19,104 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 10:40:19,104 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 10:40:19,104 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 10:40:19,105 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 10:40:19,105 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 10:40:19,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-07-20 10:40:19,106 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 10:40:19,107 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 10:40:19,107 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 10:40:19,107 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 10:40:19,107 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 10:40:19,108 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 10:40:19,108 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 10:40:19,108 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 10:40:19,108 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 10:40:19,109 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 10:40:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 10:40:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 10:40:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 10:40:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 10:40:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 10:40:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 10:40:19,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 10:40:19,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 10:40:19,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 10:40:19,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 10:40:19,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 10:40:19,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 10:40:19,112 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 10:40:19,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 10:40:19,113 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 10:40:19,113 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 10:40:19,113 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 10:40:19,113 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 10:40:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 10:40:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 10:40:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 10:40:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 10:40:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 10:40:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 10:40:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 10:40:19,115 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 10:40:19,115 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 10:40:19,115 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 10:40:19,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 10:40:19,115 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 10:40:19,115 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 10:40:19,115 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-07-20 10:40:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 10:40:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 10:40:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 10:40:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 10:40:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 10:40:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 10:40:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 10:40:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 10:40:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 10:40:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 10:40:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 10:40:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 10:40:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 10:40:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 10:40:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 10:40:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 10:40:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 10:40:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 10:40:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 10:40:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 10:40:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 10:40:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 10:40:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 10:40:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 10:40:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 10:40:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 10:40:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 10:40:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 10:40:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 10:40:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 10:40:19,124 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 10:40:19,124 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 10:40:19,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 10:40:19,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 10:40:19,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 10:40:20,243 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 10:40:20,243 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 10:40:20,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:40:20 BoogieIcfgContainer [2020-07-20 10:40:20,251 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 10:40:20,252 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 10:40:20,253 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 10:40:20,256 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 10:40:20,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:40:18" (1/3) ... [2020-07-20 10:40:20,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7451a947 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:40:20, skipping insertion in model container [2020-07-20 10:40:20,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:40:18" (2/3) ... [2020-07-20 10:40:20,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7451a947 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:40:20, skipping insertion in model container [2020-07-20 10:40:20,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:40:20" (3/3) ... [2020-07-20 10:40:20,261 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product26.cil.c [2020-07-20 10:40:20,272 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 10:40:20,282 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 10:40:20,297 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 10:40:20,320 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 10:40:20,321 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 10:40:20,321 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 10:40:20,321 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 10:40:20,321 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 10:40:20,321 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 10:40:20,321 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 10:40:20,321 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 10:40:20,345 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states. [2020-07-20 10:40:20,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-20 10:40:20,354 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:40:20,356 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:40:20,356 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:40:20,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:40:20,363 INFO L82 PathProgramCache]: Analyzing trace with hash -1366605273, now seen corresponding path program 1 times [2020-07-20 10:40:20,372 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:40:20,373 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2106023364] [2020-07-20 10:40:20,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:40:20,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 10:40:20,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:40:20,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:40:20,664 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:40:20,666 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2106023364] [2020-07-20 10:40:20,666 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:40:20,667 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 10:40:20,668 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450164176] [2020-07-20 10:40:20,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 10:40:20,674 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:40:20,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 10:40:20,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:40:20,691 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 2 states. [2020-07-20 10:40:20,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:40:20,732 INFO L93 Difference]: Finished difference Result 216 states and 267 transitions. [2020-07-20 10:40:20,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 10:40:20,734 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-20 10:40:20,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:40:20,747 INFO L225 Difference]: With dead ends: 216 [2020-07-20 10:40:20,748 INFO L226 Difference]: Without dead ends: 108 [2020-07-20 10:40:20,752 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:40:20,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-07-20 10:40:20,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2020-07-20 10:40:20,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-07-20 10:40:20,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 125 transitions. [2020-07-20 10:40:20,808 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 125 transitions. Word has length 46 [2020-07-20 10:40:20,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:40:20,808 INFO L479 AbstractCegarLoop]: Abstraction has 108 states and 125 transitions. [2020-07-20 10:40:20,808 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 10:40:20,809 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 125 transitions. [2020-07-20 10:40:20,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-20 10:40:20,812 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:40:20,813 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:40:21,029 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:21,029 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:40:21,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:40:21,030 INFO L82 PathProgramCache]: Analyzing trace with hash -1231838071, now seen corresponding path program 1 times [2020-07-20 10:40:21,031 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:40:21,032 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [667047760] [2020-07-20 10:40:21,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:21,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:40:21,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 10:40:21,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:40:21,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:40:21,288 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:40:21,311 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [667047760] [2020-07-20 10:40:21,311 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:40:21,311 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:40:21,311 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531296818] [2020-07-20 10:40:21,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:40:21,313 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:40:21,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:40:21,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:40:21,314 INFO L87 Difference]: Start difference. First operand 108 states and 125 transitions. Second operand 3 states. [2020-07-20 10:40:21,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:40:21,344 INFO L93 Difference]: Finished difference Result 161 states and 185 transitions. [2020-07-20 10:40:21,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:40:21,345 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-20 10:40:21,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:40:21,347 INFO L225 Difference]: With dead ends: 161 [2020-07-20 10:40:21,347 INFO L226 Difference]: Without dead ends: 99 [2020-07-20 10:40:21,349 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:40:21,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-07-20 10:40:21,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2020-07-20 10:40:21,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-07-20 10:40:21,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 113 transitions. [2020-07-20 10:40:21,361 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 113 transitions. Word has length 47 [2020-07-20 10:40:21,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:40:21,362 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 113 transitions. [2020-07-20 10:40:21,362 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:40:21,362 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 113 transitions. [2020-07-20 10:40:21,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 10:40:21,364 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:40:21,364 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:40:21,570 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:21,571 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:40:21,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:40:21,572 INFO L82 PathProgramCache]: Analyzing trace with hash 1636281737, now seen corresponding path program 1 times [2020-07-20 10:40:21,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:40:21,572 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [300669154] [2020-07-20 10:40:21,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:21,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:40:21,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 10:40:21,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:40:21,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:40:21,799 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:40:21,800 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [300669154] [2020-07-20 10:40:21,800 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:40:21,800 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:40:21,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17722795] [2020-07-20 10:40:21,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:40:21,801 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:40:21,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:40:21,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:40:21,802 INFO L87 Difference]: Start difference. First operand 99 states and 113 transitions. Second operand 3 states. [2020-07-20 10:40:21,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:40:21,818 INFO L93 Difference]: Finished difference Result 174 states and 203 transitions. [2020-07-20 10:40:21,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:40:21,823 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 10:40:21,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:40:21,825 INFO L225 Difference]: With dead ends: 174 [2020-07-20 10:40:21,825 INFO L226 Difference]: Without dead ends: 99 [2020-07-20 10:40:21,826 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:40:21,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-07-20 10:40:21,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2020-07-20 10:40:21,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-07-20 10:40:21,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 112 transitions. [2020-07-20 10:40:21,838 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 112 transitions. Word has length 52 [2020-07-20 10:40:21,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:40:21,838 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 112 transitions. [2020-07-20 10:40:21,838 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:40:21,839 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 112 transitions. [2020-07-20 10:40:21,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-20 10:40:21,840 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:40:21,840 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:40:22,054 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:22,055 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:40:22,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:40:22,055 INFO L82 PathProgramCache]: Analyzing trace with hash -792459520, now seen corresponding path program 1 times [2020-07-20 10:40:22,056 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:40:22,056 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [936201902] [2020-07-20 10:40:22,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:40:22,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 10:40:22,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:40:22,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:40:22,286 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:40:22,287 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [936201902] [2020-07-20 10:40:22,287 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:40:22,287 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:40:22,288 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073609774] [2020-07-20 10:40:22,289 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:40:22,289 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:40:22,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:40:22,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:40:22,291 INFO L87 Difference]: Start difference. First operand 99 states and 112 transitions. Second operand 6 states. [2020-07-20 10:40:22,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:40:22,498 INFO L93 Difference]: Finished difference Result 151 states and 176 transitions. [2020-07-20 10:40:22,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 10:40:22,499 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2020-07-20 10:40:22,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:40:22,500 INFO L225 Difference]: With dead ends: 151 [2020-07-20 10:40:22,500 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 10:40:22,501 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:40:22,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 10:40:22,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 10:40:22,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 10:40:22,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 10:40:22,503 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2020-07-20 10:40:22,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:40:22,503 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 10:40:22,503 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:40:22,503 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 10:40:22,503 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 10:40:22,712 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:22,716 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 10:40:23,194 INFO L268 CegarLoopResult]: For program point L565(lines 565 569) no Hoare annotation was computed. [2020-07-20 10:40:23,194 INFO L268 CegarLoopResult]: For program point L565-1(lines 565 569) no Hoare annotation was computed. [2020-07-20 10:40:23,194 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 534 589) no Hoare annotation was computed. [2020-07-20 10:40:23,195 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-07-20 10:40:23,195 INFO L268 CegarLoopResult]: For program point L559-2(lines 559 580) no Hoare annotation was computed. [2020-07-20 10:40:23,195 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 534 589) no Hoare annotation was computed. [2020-07-20 10:40:23,195 INFO L268 CegarLoopResult]: For program point L581(lines 558 582) no Hoare annotation was computed. [2020-07-20 10:40:23,195 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 534 589) no Hoare annotation was computed. [2020-07-20 10:40:23,195 INFO L268 CegarLoopResult]: For program point L635(line 635) no Hoare annotation was computed. [2020-07-20 10:40:23,195 INFO L268 CegarLoopResult]: For program point L635-1(line 635) no Hoare annotation was computed. [2020-07-20 10:40:23,195 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 590 649) no Hoare annotation was computed. [2020-07-20 10:40:23,196 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 590 649) no Hoare annotation was computed. [2020-07-20 10:40:23,196 INFO L268 CegarLoopResult]: For program point L622(lines 622 626) no Hoare annotation was computed. [2020-07-20 10:40:23,196 INFO L268 CegarLoopResult]: For program point L622-1(lines 622 626) no Hoare annotation was computed. [2020-07-20 10:40:23,196 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 590 649) no Hoare annotation was computed. [2020-07-20 10:40:23,196 INFO L268 CegarLoopResult]: For program point L617(line 617) no Hoare annotation was computed. [2020-07-20 10:40:23,196 INFO L268 CegarLoopResult]: For program point L616-2(lines 616 641) no Hoare annotation was computed. [2020-07-20 10:40:23,196 INFO L268 CegarLoopResult]: For program point L642(lines 615 643) no Hoare annotation was computed. [2020-07-20 10:40:23,197 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-07-20 10:40:23,197 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-07-20 10:40:23,197 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-07-20 10:40:23,197 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-07-20 10:40:23,197 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-07-20 10:40:23,198 INFO L264 CegarLoopResult]: At program point L289(line 289) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:40:23,198 INFO L264 CegarLoopResult]: At program point L289-1(line 289) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:40:23,198 INFO L268 CegarLoopResult]: For program point L287(lines 287 294) no Hoare annotation was computed. [2020-07-20 10:40:23,198 INFO L268 CegarLoopResult]: For program point L287-1(lines 287 294) no Hoare annotation was computed. [2020-07-20 10:40:23,198 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 277 299) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:40:23,198 INFO L268 CegarLoopResult]: For program point L285(line 285) no Hoare annotation was computed. [2020-07-20 10:40:23,199 INFO L264 CegarLoopResult]: At program point L284(line 284) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:40:23,199 INFO L264 CegarLoopResult]: At program point L283(line 283) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:40:23,199 INFO L264 CegarLoopResult]: At program point L283-1(line 283) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:40:23,199 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 277 299) no Hoare annotation was computed. [2020-07-20 10:40:23,199 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 277 299) no Hoare annotation was computed. [2020-07-20 10:40:23,200 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 235 258) no Hoare annotation was computed. [2020-07-20 10:40:23,200 INFO L268 CegarLoopResult]: For program point L253(line 253) no Hoare annotation was computed. [2020-07-20 10:40:23,200 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 235 258) no Hoare annotation was computed. [2020-07-20 10:40:23,200 INFO L268 CegarLoopResult]: For program point L252(line 252) no Hoare annotation was computed. [2020-07-20 10:40:23,200 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 235 258) no Hoare annotation was computed. [2020-07-20 10:40:23,200 INFO L268 CegarLoopResult]: For program point L251(line 251) no Hoare annotation was computed. [2020-07-20 10:40:23,200 INFO L268 CegarLoopResult]: For program point L250(line 250) no Hoare annotation was computed. [2020-07-20 10:40:23,200 INFO L268 CegarLoopResult]: For program point L249(line 249) no Hoare annotation was computed. [2020-07-20 10:40:23,201 INFO L268 CegarLoopResult]: For program point L248(line 248) no Hoare annotation was computed. [2020-07-20 10:40:23,201 INFO L268 CegarLoopResult]: For program point L247(line 247) no Hoare annotation was computed. [2020-07-20 10:40:23,201 INFO L268 CegarLoopResult]: For program point L246(line 246) no Hoare annotation was computed. [2020-07-20 10:40:23,201 INFO L268 CegarLoopResult]: For program point L245(line 245) no Hoare annotation was computed. [2020-07-20 10:40:23,201 INFO L268 CegarLoopResult]: For program point L244(line 244) no Hoare annotation was computed. [2020-07-20 10:40:23,201 INFO L268 CegarLoopResult]: For program point L243(line 243) no Hoare annotation was computed. [2020-07-20 10:40:23,201 INFO L268 CegarLoopResult]: For program point L242(line 242) no Hoare annotation was computed. [2020-07-20 10:40:23,202 INFO L268 CegarLoopResult]: For program point L241(line 241) no Hoare annotation was computed. [2020-07-20 10:40:23,202 INFO L268 CegarLoopResult]: For program point L240(line 240) no Hoare annotation was computed. [2020-07-20 10:40:23,202 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 409 417) no Hoare annotation was computed. [2020-07-20 10:40:23,202 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 409 417) the Hoare annotation is: true [2020-07-20 10:40:23,202 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 409 417) no Hoare annotation was computed. [2020-07-20 10:40:23,202 INFO L268 CegarLoopResult]: For program point L463(lines 463 467) no Hoare annotation was computed. [2020-07-20 10:40:23,202 INFO L271 CegarLoopResult]: At program point L461(line 461) the Hoare annotation is: true [2020-07-20 10:40:23,203 INFO L268 CegarLoopResult]: For program point L463-2(lines 463 467) no Hoare annotation was computed. [2020-07-20 10:40:23,203 INFO L268 CegarLoopResult]: For program point L461-1(line 461) no Hoare annotation was computed. [2020-07-20 10:40:23,203 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 454 472) the Hoare annotation is: true [2020-07-20 10:40:23,203 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 454 472) no Hoare annotation was computed. [2020-07-20 10:40:23,203 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 454 472) no Hoare annotation was computed. [2020-07-20 10:40:23,203 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-20 10:40:23,203 INFO L268 CegarLoopResult]: For program point L448-1(line 448) no Hoare annotation was computed. [2020-07-20 10:40:23,204 INFO L268 CegarLoopResult]: For program point L437(lines 437 445) no Hoare annotation was computed. [2020-07-20 10:40:23,204 INFO L268 CegarLoopResult]: For program point L437-2(lines 437 445) no Hoare annotation was computed. [2020-07-20 10:40:23,204 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 418 453) no Hoare annotation was computed. [2020-07-20 10:40:23,204 INFO L268 CegarLoopResult]: For program point L425(lines 425 433) no Hoare annotation was computed. [2020-07-20 10:40:23,204 INFO L268 CegarLoopResult]: For program point L425-2(lines 425 433) no Hoare annotation was computed. [2020-07-20 10:40:23,204 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 418 453) no Hoare annotation was computed. [2020-07-20 10:40:23,204 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 418 453) no Hoare annotation was computed. [2020-07-20 10:40:23,204 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-07-20 10:40:23,205 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-07-20 10:40:23,205 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 488 533) no Hoare annotation was computed. [2020-07-20 10:40:23,205 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 488 533) no Hoare annotation was computed. [2020-07-20 10:40:23,205 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 488 533) no Hoare annotation was computed. [2020-07-20 10:40:23,205 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 801 846) no Hoare annotation was computed. [2020-07-20 10:40:23,205 INFO L268 CegarLoopResult]: For program point L821(lines 821 828) no Hoare annotation was computed. [2020-07-20 10:40:23,205 INFO L268 CegarLoopResult]: For program point L815(lines 815 835) no Hoare annotation was computed. [2020-07-20 10:40:23,205 INFO L268 CegarLoopResult]: For program point L815-1(lines 815 835) no Hoare annotation was computed. [2020-07-20 10:40:23,206 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 801 846) no Hoare annotation was computed. [2020-07-20 10:40:23,206 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 801 846) no Hoare annotation was computed. [2020-07-20 10:40:23,206 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 267 276) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:40:23,206 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 267 276) no Hoare annotation was computed. [2020-07-20 10:40:23,206 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 267 276) no Hoare annotation was computed. [2020-07-20 10:40:23,206 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 398 408) no Hoare annotation was computed. [2020-07-20 10:40:23,207 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 398 408) no Hoare annotation was computed. [2020-07-20 10:40:23,207 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 398 408) no Hoare annotation was computed. [2020-07-20 10:40:23,207 INFO L268 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-07-20 10:40:23,207 INFO L268 CegarLoopResult]: For program point L403-1(line 403) no Hoare annotation was computed. [2020-07-20 10:40:23,207 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 390 397) the Hoare annotation is: true [2020-07-20 10:40:23,207 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 390 397) no Hoare annotation was computed. [2020-07-20 10:40:23,207 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 390 397) no Hoare annotation was computed. [2020-07-20 10:40:23,207 INFO L264 CegarLoopResult]: At program point L353(line 353) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-20 10:40:23,208 INFO L264 CegarLoopResult]: At program point L349(line 349) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-20 10:40:23,208 INFO L268 CegarLoopResult]: For program point L347(lines 347 355) no Hoare annotation was computed. [2020-07-20 10:40:23,208 INFO L264 CegarLoopResult]: At program point L345(line 345) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-20 10:40:23,208 INFO L268 CegarLoopResult]: For program point L345-1(line 345) no Hoare annotation was computed. [2020-07-20 10:40:23,208 INFO L268 CegarLoopResult]: For program point L343(lines 343 360) no Hoare annotation was computed. [2020-07-20 10:40:23,208 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 339 363) no Hoare annotation was computed. [2020-07-20 10:40:23,209 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 339 363) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 10:40:23,209 INFO L264 CegarLoopResult]: At program point L358(line 358) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 10:40:23,209 INFO L268 CegarLoopResult]: For program point L358-1(lines 339 363) no Hoare annotation was computed. [2020-07-20 10:40:23,209 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 331 337) no Hoare annotation was computed. [2020-07-20 10:40:23,209 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 331 337) the Hoare annotation is: true [2020-07-20 10:40:23,209 INFO L268 CegarLoopResult]: For program point L896(lines 896 900) no Hoare annotation was computed. [2020-07-20 10:40:23,209 INFO L264 CegarLoopResult]: At program point testENTRY(lines 848 913) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:40:23,210 INFO L264 CegarLoopResult]: At program point L896-2(lines 888 901) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:40:23,210 INFO L268 CegarLoopResult]: For program point L859(lines 858 905) no Hoare annotation was computed. [2020-07-20 10:40:23,210 INFO L264 CegarLoopResult]: At program point L890(line 890) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:40:23,210 INFO L268 CegarLoopResult]: For program point L888(lines 888 901) no Hoare annotation was computed. [2020-07-20 10:40:23,210 INFO L268 CegarLoopResult]: For program point testFINAL(lines 848 913) no Hoare annotation was computed. [2020-07-20 10:40:23,210 INFO L264 CegarLoopResult]: At program point L880(line 880) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:40:23,211 INFO L268 CegarLoopResult]: For program point L878(lines 878 884) no Hoare annotation was computed. [2020-07-20 10:40:23,211 INFO L268 CegarLoopResult]: For program point L878-1(lines 878 884) no Hoare annotation was computed. [2020-07-20 10:40:23,211 INFO L264 CegarLoopResult]: At program point L903(lines 858 905) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:40:23,211 INFO L264 CegarLoopResult]: At program point L870(line 870) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:40:23,211 INFO L268 CegarLoopResult]: For program point L868(lines 868 874) no Hoare annotation was computed. [2020-07-20 10:40:23,211 INFO L268 CegarLoopResult]: For program point L868-1(lines 868 874) no Hoare annotation was computed. [2020-07-20 10:40:23,212 INFO L268 CegarLoopResult]: For program point L860(lines 860 864) no Hoare annotation was computed. [2020-07-20 10:40:23,212 INFO L264 CegarLoopResult]: At program point L906(lines 857 907) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:40:23,212 INFO L268 CegarLoopResult]: For program point testEXIT(lines 848 913) no Hoare annotation was computed. [2020-07-20 10:40:23,212 INFO L268 CegarLoopResult]: For program point L769(lines 769 789) no Hoare annotation was computed. [2020-07-20 10:40:23,212 INFO L268 CegarLoopResult]: For program point L769-1(lines 769 789) no Hoare annotation was computed. [2020-07-20 10:40:23,212 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 755 800) no Hoare annotation was computed. [2020-07-20 10:40:23,212 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 755 800) no Hoare annotation was computed. [2020-07-20 10:40:23,213 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 755 800) no Hoare annotation was computed. [2020-07-20 10:40:23,213 INFO L268 CegarLoopResult]: For program point L775(lines 775 782) no Hoare annotation was computed. [2020-07-20 10:40:23,213 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 364 371) no Hoare annotation was computed. [2020-07-20 10:40:23,213 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 364 371) no Hoare annotation was computed. [2020-07-20 10:40:23,213 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 364 371) no Hoare annotation was computed. [2020-07-20 10:40:23,213 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 164 172) no Hoare annotation was computed. [2020-07-20 10:40:23,214 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 164 172) the Hoare annotation is: true [2020-07-20 10:40:23,214 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 164 172) no Hoare annotation was computed. [2020-07-20 10:40:23,214 INFO L268 CegarLoopResult]: For program point L140(lines 140 148) no Hoare annotation was computed. [2020-07-20 10:40:23,214 INFO L268 CegarLoopResult]: For program point L140-2(lines 140 148) no Hoare annotation was computed. [2020-07-20 10:40:23,214 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 132 154) no Hoare annotation was computed. [2020-07-20 10:40:23,214 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 132 154) no Hoare annotation was computed. [2020-07-20 10:40:23,214 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 132 154) no Hoare annotation was computed. [2020-07-20 10:40:23,214 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-07-20 10:40:23,215 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-07-20 10:40:23,215 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-07-20 10:40:23,215 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 652 754) no Hoare annotation was computed. [2020-07-20 10:40:23,215 INFO L268 CegarLoopResult]: For program point L702(lines 701 721) no Hoare annotation was computed. [2020-07-20 10:40:23,215 INFO L268 CegarLoopResult]: For program point L733(line 733) no Hoare annotation was computed. [2020-07-20 10:40:23,215 INFO L268 CegarLoopResult]: For program point L733-1(line 733) no Hoare annotation was computed. [2020-07-20 10:40:23,215 INFO L268 CegarLoopResult]: For program point L698(lines 698 739) no Hoare annotation was computed. [2020-07-20 10:40:23,216 INFO L268 CegarLoopResult]: For program point L717(line 717) no Hoare annotation was computed. [2020-07-20 10:40:23,216 INFO L268 CegarLoopResult]: For program point L717-1(line 717) no Hoare annotation was computed. [2020-07-20 10:40:23,216 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 652 754) no Hoare annotation was computed. [2020-07-20 10:40:23,216 INFO L268 CegarLoopResult]: For program point L676(lines 676 680) no Hoare annotation was computed. [2020-07-20 10:40:23,216 INFO L268 CegarLoopResult]: For program point L740(lines 740 751) no Hoare annotation was computed. [2020-07-20 10:40:23,216 INFO L268 CegarLoopResult]: For program point L703(lines 703 707) no Hoare annotation was computed. [2020-07-20 10:40:23,216 INFO L268 CegarLoopResult]: For program point L701-2(lines 701 721) no Hoare annotation was computed. [2020-07-20 10:40:23,217 INFO L268 CegarLoopResult]: For program point L722(lines 700 723) no Hoare annotation was computed. [2020-07-20 10:40:23,217 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 652 754) no Hoare annotation was computed. [2020-07-20 10:40:23,217 INFO L268 CegarLoopResult]: For program point L681(lines 681 697) no Hoare annotation was computed. [2020-07-20 10:40:23,217 INFO L268 CegarLoopResult]: For program point L741(lines 741 748) no Hoare annotation was computed. [2020-07-20 10:40:23,217 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:40:23,217 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-20 10:40:23,217 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:40:23,217 INFO L268 CegarLoopResult]: For program point L384(line 384) no Hoare annotation was computed. [2020-07-20 10:40:23,218 INFO L268 CegarLoopResult]: For program point L384-1(lines 373 389) no Hoare annotation was computed. [2020-07-20 10:40:23,218 INFO L268 CegarLoopResult]: For program point L380(lines 380 386) no Hoare annotation was computed. [2020-07-20 10:40:23,218 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 373 389) no Hoare annotation was computed. [2020-07-20 10:40:23,218 INFO L268 CegarLoopResult]: For program point L378(line 378) no Hoare annotation was computed. [2020-07-20 10:40:23,218 INFO L268 CegarLoopResult]: For program point L378-1(line 378) no Hoare annotation was computed. [2020-07-20 10:40:23,218 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 373 389) no Hoare annotation was computed. [2020-07-20 10:40:23,218 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 155 163) no Hoare annotation was computed. [2020-07-20 10:40:23,218 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 155 163) no Hoare annotation was computed. [2020-07-20 10:40:23,219 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 155 163) no Hoare annotation was computed. [2020-07-20 10:40:23,219 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 111 122) the Hoare annotation is: true [2020-07-20 10:40:23,219 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 111 122) no Hoare annotation was computed. [2020-07-20 10:40:23,219 INFO L268 CegarLoopResult]: For program point L115-1(lines 111 122) no Hoare annotation was computed. [2020-07-20 10:40:23,219 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:40:23,219 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 10:40:23,219 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:40:23,220 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 123 131) the Hoare annotation is: true [2020-07-20 10:40:23,220 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 123 131) no Hoare annotation was computed. [2020-07-20 10:40:23,220 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 123 131) no Hoare annotation was computed. [2020-07-20 10:40:23,220 INFO L264 CegarLoopResult]: At program point L320(line 320) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 10:40:23,220 INFO L264 CegarLoopResult]: At program point L318(lines 318 324) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 10:40:23,220 INFO L264 CegarLoopResult]: At program point L313(line 313) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-20 10:40:23,220 INFO L268 CegarLoopResult]: For program point L311(lines 310 329) no Hoare annotation was computed. [2020-07-20 10:40:23,221 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 307 330) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 10:40:23,221 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 307 330) no Hoare annotation was computed. [2020-07-20 10:40:23,221 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 307 330) no Hoare annotation was computed. [2020-07-20 10:40:23,221 INFO L268 CegarLoopResult]: For program point L225(line 225) no Hoare annotation was computed. [2020-07-20 10:40:23,221 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 204 233) no Hoare annotation was computed. [2020-07-20 10:40:23,221 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 204 233) the Hoare annotation is: true [2020-07-20 10:40:23,221 INFO L268 CegarLoopResult]: For program point L218(lines 218 222) no Hoare annotation was computed. [2020-07-20 10:40:23,221 INFO L271 CegarLoopResult]: At program point L218-1(lines 218 222) the Hoare annotation is: true [2020-07-20 10:40:23,222 INFO L268 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-07-20 10:40:23,222 INFO L271 CegarLoopResult]: At program point L214-2(lines 214 228) the Hoare annotation is: true [2020-07-20 10:40:23,222 INFO L271 CegarLoopResult]: At program point L210(line 210) the Hoare annotation is: true [2020-07-20 10:40:23,222 INFO L268 CegarLoopResult]: For program point L210-1(line 210) no Hoare annotation was computed. [2020-07-20 10:40:23,222 INFO L271 CegarLoopResult]: At program point L229(lines 204 233) the Hoare annotation is: true [2020-07-20 10:40:23,222 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 87 98) the Hoare annotation is: true [2020-07-20 10:40:23,222 INFO L268 CegarLoopResult]: For program point L91-1(lines 87 98) no Hoare annotation was computed. [2020-07-20 10:40:23,222 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 87 98) no Hoare annotation was computed. [2020-07-20 10:40:23,223 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 259 265) no Hoare annotation was computed. [2020-07-20 10:40:23,223 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 259 265) the Hoare annotation is: true [2020-07-20 10:40:23,223 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:40:23,223 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-20 10:40:23,223 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 10:40:23,223 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:40:23,223 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 473 480) no Hoare annotation was computed. [2020-07-20 10:40:23,224 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 473 480) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:40:23,224 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 473 480) no Hoare annotation was computed. [2020-07-20 10:40:23,224 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 99 110) no Hoare annotation was computed. [2020-07-20 10:40:23,224 INFO L268 CegarLoopResult]: For program point L103-1(lines 99 110) no Hoare annotation was computed. [2020-07-20 10:40:23,224 INFO L271 CegarLoopResult]: At program point waterRiseENTRY(lines 99 110) the Hoare annotation is: true [2020-07-20 10:40:23,224 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 915 922) no Hoare annotation was computed. [2020-07-20 10:40:23,224 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 919) no Hoare annotation was computed. [2020-07-20 10:40:23,225 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 915 922) the Hoare annotation is: true [2020-07-20 10:40:23,225 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 915 922) no Hoare annotation was computed. [2020-07-20 10:40:23,225 INFO L264 CegarLoopResult]: At program point L190(line 190) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~systemActive~0))) [2020-07-20 10:40:23,225 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 176 200) the Hoare annotation is: true [2020-07-20 10:40:23,225 INFO L268 CegarLoopResult]: For program point L188(lines 188 194) no Hoare annotation was computed. [2020-07-20 10:40:23,225 INFO L271 CegarLoopResult]: At program point L186(line 186) the Hoare annotation is: true [2020-07-20 10:40:23,225 INFO L268 CegarLoopResult]: For program point L186-1(line 186) no Hoare annotation was computed. [2020-07-20 10:40:23,226 INFO L268 CegarLoopResult]: For program point L184(lines 184 197) no Hoare annotation was computed. [2020-07-20 10:40:23,226 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 176 200) no Hoare annotation was computed. [2020-07-20 10:40:23,226 INFO L268 CegarLoopResult]: For program point L184-1(lines 176 200) no Hoare annotation was computed. [2020-07-20 10:40:23,226 INFO L271 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: true [2020-07-20 10:40:23,226 INFO L268 CegarLoopResult]: For program point L182-1(line 182) no Hoare annotation was computed. [2020-07-20 10:40:23,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:40:23 BoogieIcfgContainer [2020-07-20 10:40:23,243 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 10:40:23,246 INFO L168 Benchmark]: Toolchain (without parser) took 5015.31 ms. Allocated memory was 137.9 MB in the beginning and 249.6 MB in the end (delta: 111.7 MB). Free memory was 99.9 MB in the beginning and 143.6 MB in the end (delta: -43.7 MB). Peak memory consumption was 68.0 MB. Max. memory is 7.1 GB. [2020-07-20 10:40:23,247 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 137.9 MB. Free memory is still 119.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-20 10:40:23,248 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.15 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 99.5 MB in the beginning and 167.8 MB in the end (delta: -68.4 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. [2020-07-20 10:40:23,249 INFO L168 Benchmark]: Boogie Preprocessor took 100.77 ms. Allocated memory is still 202.4 MB. Free memory was 167.8 MB in the beginning and 163.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-07-20 10:40:23,250 INFO L168 Benchmark]: RCFGBuilder took 1235.09 ms. Allocated memory was 202.4 MB in the beginning and 233.3 MB in the end (delta: 30.9 MB). Free memory was 163.9 MB in the beginning and 195.6 MB in the end (delta: -31.6 MB). Peak memory consumption was 83.5 MB. Max. memory is 7.1 GB. [2020-07-20 10:40:23,250 INFO L168 Benchmark]: TraceAbstraction took 2990.56 ms. Allocated memory was 233.3 MB in the beginning and 249.6 MB in the end (delta: 16.3 MB). Free memory was 195.6 MB in the beginning and 143.6 MB in the end (delta: 52.0 MB). Peak memory consumption was 68.3 MB. Max. memory is 7.1 GB. [2020-07-20 10:40:23,254 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 137.9 MB. Free memory is still 119.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 683.15 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 99.5 MB in the beginning and 167.8 MB in the end (delta: -68.4 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.77 ms. Allocated memory is still 202.4 MB. Free memory was 167.8 MB in the beginning and 163.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1235.09 ms. Allocated memory was 202.4 MB in the beginning and 233.3 MB in the end (delta: 30.9 MB). Free memory was 163.9 MB in the beginning and 195.6 MB in the end (delta: -31.6 MB). Peak memory consumption was 83.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2990.56 ms. Allocated memory was 233.3 MB in the beginning and 249.6 MB in the end (delta: 16.3 MB). Free memory was 195.6 MB in the beginning and 143.6 MB in the end (delta: 52.0 MB). Peak memory consumption was 68.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 919]: 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: 858]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || ((0 == pumpRunning && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(systemActive)) - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(1 <= \old(systemActive)) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 225 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: 438 SDtfs, 152 SDslu, 295 SDs, 0 SdLazy, 52 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 203 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=162occurred 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, 51 LocationsWithAnnotation, 163 PreInvPairs, 171 NumberOfFragments, 381 HoareAnnotationTreeSize, 163 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 51 FomulaSimplificationsInter, 204 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 205 NumberOfCodeBlocks, 205 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 201 ConstructedInterpolants, 0 QuantifiedInterpolants, 16589 SizeOfPredicates, 7 NumberOfNonLiveVariables, 2635 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...