/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 13:00:22,966 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 13:00:22,969 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 13:00:22,988 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 13:00:22,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 13:00:22,990 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 13:00:22,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 13:00:23,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 13:00:23,007 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 13:00:23,010 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 13:00:23,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 13:00:23,012 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 13:00:23,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 13:00:23,014 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 13:00:23,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 13:00:23,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 13:00:23,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 13:00:23,020 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 13:00:23,022 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 13:00:23,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 13:00:23,031 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 13:00:23,035 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 13:00:23,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 13:00:23,036 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 13:00:23,039 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 13:00:23,039 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 13:00:23,039 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 13:00:23,041 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 13:00:23,042 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 13:00:23,043 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 13:00:23,043 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 13:00:23,044 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 13:00:23,045 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 13:00:23,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 13:00:23,046 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 13:00:23,047 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 13:00:23,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 13:00:23,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 13:00:23,048 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 13:00:23,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 13:00:23,050 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 13:00:23,051 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 13:00:23,083 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 13:00:23,083 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 13:00:23,084 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 13:00:23,085 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 13:00:23,085 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 13:00:23,085 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 13:00:23,085 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 13:00:23,085 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 13:00:23,086 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 13:00:23,086 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 13:00:23,086 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 13:00:23,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 13:00:23,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 13:00:23,086 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 13:00:23,087 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 13:00:23,087 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 13:00:23,087 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 13:00:23,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 13:00:23,087 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 13:00:23,088 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 13:00:23,088 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 13:00:23,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:00:23,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 13:00:23,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 13:00:23,089 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 13:00:23,089 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 13:00:23,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:00:23,089 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 13:00:23,089 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 13:00:23,090 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 13:00:23,403 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 13:00:23,422 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 13:00:23,426 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 13:00:23,427 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 13:00:23,429 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 13:00:23,431 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product09.cil.c [2020-07-20 13:00:23,502 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbc54074e/e193533f954a48b0bd8e3f4b53790fbb/FLAGfc8e342c7 [2020-07-20 13:00:24,016 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 13:00:24,017 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product09.cil.c [2020-07-20 13:00:24,029 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbc54074e/e193533f954a48b0bd8e3f4b53790fbb/FLAGfc8e342c7 [2020-07-20 13:00:24,323 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbc54074e/e193533f954a48b0bd8e3f4b53790fbb [2020-07-20 13:00:24,331 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 13:00:24,333 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 13:00:24,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 13:00:24,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 13:00:24,338 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 13:00:24,339 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:00:24" (1/1) ... [2020-07-20 13:00:24,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5232a170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:24, skipping insertion in model container [2020-07-20 13:00:24,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:00:24" (1/1) ... [2020-07-20 13:00:24,348 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 13:00:24,395 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 13:00:24,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:00:24,724 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 13:00:24,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:00:24,953 INFO L208 MainTranslator]: Completed translation [2020-07-20 13:00:24,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:24 WrapperNode [2020-07-20 13:00:24,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 13:00:24,954 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 13:00:24,954 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 13:00:24,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 13:00:24,965 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:24" (1/1) ... [2020-07-20 13:00:24,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:24" (1/1) ... [2020-07-20 13:00:24,984 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:24" (1/1) ... [2020-07-20 13:00:24,985 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:24" (1/1) ... [2020-07-20 13:00:25,014 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:24" (1/1) ... [2020-07-20 13:00:25,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:24" (1/1) ... [2020-07-20 13:00:25,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:24" (1/1) ... [2020-07-20 13:00:25,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 13:00:25,045 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 13:00:25,045 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 13:00:25,045 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 13:00:25,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:00:25,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 13:00:25,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 13:00:25,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 13:00:25,116 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 13:00:25,116 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 13:00:25,116 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 13:00:25,116 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 13:00:25,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 13:00:25,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 13:00:25,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 13:00:25,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 13:00:25,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 13:00:25,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 13:00:25,117 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 13:00:25,117 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 13:00:25,117 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 13:00:25,118 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 13:00:25,118 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 13:00:25,118 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 13:00:25,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 13:00:25,118 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 13:00:25,118 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 13:00:25,118 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 13:00:25,119 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 13:00:25,119 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 13:00:25,119 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 13:00:25,119 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 13:00:25,119 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-07-20 13:00:25,119 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 13:00:25,120 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 13:00:25,120 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 13:00:25,120 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 13:00:25,120 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 13:00:25,120 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 13:00:25,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-07-20 13:00:25,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 13:00:25,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 13:00:25,121 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 13:00:25,121 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 13:00:25,121 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 13:00:25,121 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 13:00:25,121 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 13:00:25,122 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 13:00:25,122 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 13:00:25,122 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 13:00:25,122 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 13:00:25,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 13:00:25,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 13:00:25,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 13:00:25,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 13:00:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 13:00:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 13:00:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 13:00:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 13:00:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 13:00:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 13:00:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 13:00:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 13:00:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 13:00:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 13:00:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 13:00:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 13:00:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 13:00:25,125 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 13:00:25,125 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 13:00:25,125 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 13:00:25,125 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 13:00:25,125 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 13:00:25,125 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 13:00:25,125 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 13:00:25,125 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 13:00:25,126 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 13:00:25,126 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 13:00:25,126 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 13:00:25,126 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 13:00:25,126 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 13:00:25,126 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 13:00:25,126 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-07-20 13:00:25,127 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 13:00:25,127 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-07-20 13:00:25,127 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 13:00:25,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 13:00:25,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 13:00:25,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 13:00:26,321 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 13:00:26,321 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 13:00:26,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:00:26 BoogieIcfgContainer [2020-07-20 13:00:26,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 13:00:26,327 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 13:00:26,328 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 13:00:26,330 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 13:00:26,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:00:24" (1/3) ... [2020-07-20 13:00:26,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26c5e6bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:00:26, skipping insertion in model container [2020-07-20 13:00:26,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:24" (2/3) ... [2020-07-20 13:00:26,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26c5e6bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:00:26, skipping insertion in model container [2020-07-20 13:00:26,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:00:26" (3/3) ... [2020-07-20 13:00:26,333 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product09.cil.c [2020-07-20 13:00:26,341 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 13:00:26,350 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 13:00:26,363 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 13:00:26,385 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 13:00:26,385 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 13:00:26,385 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 13:00:26,385 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 13:00:26,385 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 13:00:26,386 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 13:00:26,386 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 13:00:26,386 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 13:00:26,406 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2020-07-20 13:00:26,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-20 13:00:26,415 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:00:26,416 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 13:00:26,416 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:00:26,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:00:26,421 INFO L82 PathProgramCache]: Analyzing trace with hash -830418585, now seen corresponding path program 1 times [2020-07-20 13:00:26,428 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:00:26,428 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2071358404] [2020-07-20 13:00:26,429 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:00:26,894 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:00:26,894 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:00:26,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 596 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 13:00:26,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:00:26,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:00:26,947 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:00:26,948 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2071358404] [2020-07-20 13:00:26,949 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:00:26,949 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 13:00:26,951 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321534064] [2020-07-20 13:00:26,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 13:00:26,957 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:00:26,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 13:00:26,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:00:26,979 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2020-07-20 13:00:27,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:00:27,017 INFO L93 Difference]: Finished difference Result 162 states and 205 transitions. [2020-07-20 13:00:27,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 13:00:27,019 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-20 13:00:27,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:00:27,031 INFO L225 Difference]: With dead ends: 162 [2020-07-20 13:00:27,032 INFO L226 Difference]: Without dead ends: 81 [2020-07-20 13:00:27,036 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 13:00:27,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-07-20 13:00:27,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2020-07-20 13:00:27,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-07-20 13:00:27,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 94 transitions. [2020-07-20 13:00:27,090 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 94 transitions. Word has length 46 [2020-07-20 13:00:27,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:00:27,091 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 94 transitions. [2020-07-20 13:00:27,091 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 13:00:27,091 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2020-07-20 13:00:27,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-20 13:00:27,094 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:00:27,095 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 13:00:27,310 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:00:27,310 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:00:27,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:00:27,312 INFO L82 PathProgramCache]: Analyzing trace with hash -840422466, now seen corresponding path program 1 times [2020-07-20 13:00:27,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:00:27,313 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1994282880] [2020-07-20 13:00:27,313 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:00:27,795 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:00:27,796 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:00:27,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 595 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 13:00:27,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:00:27,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:00:27,849 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:00:27,850 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1994282880] [2020-07-20 13:00:27,850 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:00:27,850 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:00:27,851 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478768492] [2020-07-20 13:00:27,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:00:27,853 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:00:27,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:00:27,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:00:27,853 INFO L87 Difference]: Start difference. First operand 81 states and 94 transitions. Second operand 3 states. [2020-07-20 13:00:27,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:00:27,869 INFO L93 Difference]: Finished difference Result 111 states and 127 transitions. [2020-07-20 13:00:27,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:00:27,870 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-20 13:00:27,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:00:27,872 INFO L225 Difference]: With dead ends: 111 [2020-07-20 13:00:27,872 INFO L226 Difference]: Without dead ends: 72 [2020-07-20 13:00:27,874 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 13:00:27,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-07-20 13:00:27,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2020-07-20 13:00:27,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-07-20 13:00:27,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 82 transitions. [2020-07-20 13:00:27,885 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 82 transitions. Word has length 47 [2020-07-20 13:00:27,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:00:27,885 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 82 transitions. [2020-07-20 13:00:27,885 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:00:27,885 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 82 transitions. [2020-07-20 13:00:27,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 13:00:27,887 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:00:27,887 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:00:28,101 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:00:28,103 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:00:28,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:00:28,104 INFO L82 PathProgramCache]: Analyzing trace with hash -1474594397, now seen corresponding path program 1 times [2020-07-20 13:00:28,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:00:28,105 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1216647444] [2020-07-20 13:00:28,105 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:00:28,558 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:00:28,559 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:00:28,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 13:00:28,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:00:28,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:00:28,596 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:00:28,597 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1216647444] [2020-07-20 13:00:28,597 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:00:28,597 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:00:28,597 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819981404] [2020-07-20 13:00:28,599 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:00:28,599 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:00:28,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:00:28,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:00:28,600 INFO L87 Difference]: Start difference. First operand 72 states and 82 transitions. Second operand 3 states. [2020-07-20 13:00:28,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:00:28,626 INFO L93 Difference]: Finished difference Result 120 states and 141 transitions. [2020-07-20 13:00:28,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:00:28,627 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-07-20 13:00:28,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:00:28,629 INFO L225 Difference]: With dead ends: 120 [2020-07-20 13:00:28,629 INFO L226 Difference]: Without dead ends: 72 [2020-07-20 13:00:28,632 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 [2020-07-20 13:00:28,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-07-20 13:00:28,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2020-07-20 13:00:28,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-07-20 13:00:28,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 81 transitions. [2020-07-20 13:00:28,648 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 81 transitions. Word has length 51 [2020-07-20 13:00:28,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:00:28,650 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 81 transitions. [2020-07-20 13:00:28,650 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:00:28,650 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 81 transitions. [2020-07-20 13:00:28,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-07-20 13:00:28,655 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:00:28,655 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] [2020-07-20 13:00:28,859 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:00:28,859 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:00:28,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:00:28,860 INFO L82 PathProgramCache]: Analyzing trace with hash 132896390, now seen corresponding path program 1 times [2020-07-20 13:00:28,861 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:00:28,861 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [939371757] [2020-07-20 13:00:28,862 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:00:29,233 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:00:29,233 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:00:29,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 13:00:29,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:00:29,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:00:29,293 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:00:29,293 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [939371757] [2020-07-20 13:00:29,293 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:00:29,293 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:00:29,294 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184270524] [2020-07-20 13:00:29,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:00:29,294 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:00:29,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:00:29,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:00:29,295 INFO L87 Difference]: Start difference. First operand 72 states and 81 transitions. Second operand 6 states. [2020-07-20 13:00:29,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:00:29,443 INFO L93 Difference]: Finished difference Result 115 states and 134 transitions. [2020-07-20 13:00:29,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:00:29,443 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2020-07-20 13:00:29,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:00:29,444 INFO L225 Difference]: With dead ends: 115 [2020-07-20 13:00:29,444 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 13:00:29,446 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:00:29,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 13:00:29,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 13:00:29,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 13:00:29,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 13:00:29,447 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2020-07-20 13:00:29,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:00:29,447 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 13:00:29,447 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:00:29,447 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 13:00:29,448 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 13:00:29,656 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:00:29,660 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 13:00:30,073 INFO L268 CegarLoopResult]: For program point L161(lines 161 165) no Hoare annotation was computed. [2020-07-20 13:00:30,073 INFO L268 CegarLoopResult]: For program point L161-1(lines 161 165) no Hoare annotation was computed. [2020-07-20 13:00:30,074 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-07-20 13:00:30,074 INFO L268 CegarLoopResult]: For program point L155-2(lines 155 176) no Hoare annotation was computed. [2020-07-20 13:00:30,074 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 130 185) no Hoare annotation was computed. [2020-07-20 13:00:30,074 INFO L268 CegarLoopResult]: For program point L177(lines 154 178) no Hoare annotation was computed. [2020-07-20 13:00:30,074 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 130 185) no Hoare annotation was computed. [2020-07-20 13:00:30,074 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 130 185) no Hoare annotation was computed. [2020-07-20 13:00:30,074 INFO L268 CegarLoopResult]: For program point L218(lines 218 222) no Hoare annotation was computed. [2020-07-20 13:00:30,075 INFO L268 CegarLoopResult]: For program point L218-1(lines 218 222) no Hoare annotation was computed. [2020-07-20 13:00:30,075 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 186 245) no Hoare annotation was computed. [2020-07-20 13:00:30,075 INFO L268 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-07-20 13:00:30,075 INFO L268 CegarLoopResult]: For program point L212-2(lines 212 237) no Hoare annotation was computed. [2020-07-20 13:00:30,075 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 186 245) no Hoare annotation was computed. [2020-07-20 13:00:30,075 INFO L268 CegarLoopResult]: For program point L238(lines 211 239) no Hoare annotation was computed. [2020-07-20 13:00:30,075 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 186 245) no Hoare annotation was computed. [2020-07-20 13:00:30,075 INFO L268 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-07-20 13:00:30,076 INFO L268 CegarLoopResult]: For program point L231-1(line 231) no Hoare annotation was computed. [2020-07-20 13:00:30,076 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-07-20 13:00:30,076 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-07-20 13:00:30,077 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-07-20 13:00:30,077 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-07-20 13:00:30,077 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-07-20 13:00:30,077 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 614 636) the Hoare annotation is: true [2020-07-20 13:00:30,078 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 614 636) no Hoare annotation was computed. [2020-07-20 13:00:30,078 INFO L271 CegarLoopResult]: At program point L626(line 626) the Hoare annotation is: true [2020-07-20 13:00:30,078 INFO L271 CegarLoopResult]: At program point L626-1(line 626) the Hoare annotation is: true [2020-07-20 13:00:30,078 INFO L268 CegarLoopResult]: For program point L624(lines 624 631) no Hoare annotation was computed. [2020-07-20 13:00:30,078 INFO L268 CegarLoopResult]: For program point L624-1(lines 624 631) no Hoare annotation was computed. [2020-07-20 13:00:30,078 INFO L268 CegarLoopResult]: For program point L622(line 622) no Hoare annotation was computed. [2020-07-20 13:00:30,078 INFO L271 CegarLoopResult]: At program point L621(line 621) the Hoare annotation is: true [2020-07-20 13:00:30,078 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 614 636) no Hoare annotation was computed. [2020-07-20 13:00:30,079 INFO L271 CegarLoopResult]: At program point L620(line 620) the Hoare annotation is: true [2020-07-20 13:00:30,079 INFO L271 CegarLoopResult]: At program point L620-1(line 620) the Hoare annotation is: true [2020-07-20 13:00:30,079 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-20 13:00:30,079 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 572 595) no Hoare annotation was computed. [2020-07-20 13:00:30,079 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 572 595) no Hoare annotation was computed. [2020-07-20 13:00:30,081 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 572 595) no Hoare annotation was computed. [2020-07-20 13:00:30,081 INFO L268 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-07-20 13:00:30,081 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-20 13:00:30,081 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-20 13:00:30,081 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-20 13:00:30,081 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-20 13:00:30,082 INFO L268 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-07-20 13:00:30,082 INFO L268 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-07-20 13:00:30,082 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-20 13:00:30,082 INFO L268 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-07-20 13:00:30,082 INFO L268 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-07-20 13:00:30,082 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-20 13:00:30,082 INFO L268 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-07-20 13:00:30,082 INFO L268 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-07-20 13:00:30,083 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 676 683) no Hoare annotation was computed. [2020-07-20 13:00:30,083 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 676 683) no Hoare annotation was computed. [2020-07-20 13:00:30,083 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 676 683) no Hoare annotation was computed. [2020-07-20 13:00:30,083 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 721 729) no Hoare annotation was computed. [2020-07-20 13:00:30,083 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 721 729) the Hoare annotation is: true [2020-07-20 13:00:30,084 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 721 729) no Hoare annotation was computed. [2020-07-20 13:00:30,084 INFO L268 CegarLoopResult]: For program point L737(lines 737 745) no Hoare annotation was computed. [2020-07-20 13:00:30,085 INFO L268 CegarLoopResult]: For program point L737-2(lines 737 745) no Hoare annotation was computed. [2020-07-20 13:00:30,085 INFO L268 CegarLoopResult]: For program point L760(line 760) no Hoare annotation was computed. [2020-07-20 13:00:30,085 INFO L268 CegarLoopResult]: For program point L760-1(line 760) no Hoare annotation was computed. [2020-07-20 13:00:30,085 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 730 765) no Hoare annotation was computed. [2020-07-20 13:00:30,085 INFO L268 CegarLoopResult]: For program point L749(lines 749 757) no Hoare annotation was computed. [2020-07-20 13:00:30,085 INFO L268 CegarLoopResult]: For program point L749-2(lines 749 757) no Hoare annotation was computed. [2020-07-20 13:00:30,085 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 730 765) no Hoare annotation was computed. [2020-07-20 13:00:30,085 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 730 765) no Hoare annotation was computed. [2020-07-20 13:00:30,086 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-07-20 13:00:30,086 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-07-20 13:00:30,086 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 84 129) no Hoare annotation was computed. [2020-07-20 13:00:30,086 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 84 129) no Hoare annotation was computed. [2020-07-20 13:00:30,086 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 84 129) no Hoare annotation was computed. [2020-07-20 13:00:30,086 INFO L268 CegarLoopResult]: For program point L417(lines 417 424) no Hoare annotation was computed. [2020-07-20 13:00:30,086 INFO L268 CegarLoopResult]: For program point L411(lines 411 431) no Hoare annotation was computed. [2020-07-20 13:00:30,086 INFO L268 CegarLoopResult]: For program point L411-1(lines 411 431) no Hoare annotation was computed. [2020-07-20 13:00:30,087 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 397 442) no Hoare annotation was computed. [2020-07-20 13:00:30,087 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 397 442) no Hoare annotation was computed. [2020-07-20 13:00:30,087 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 397 442) no Hoare annotation was computed. [2020-07-20 13:00:30,087 INFO L271 CegarLoopResult]: At program point runTestENTRY(lines 604 613) the Hoare annotation is: true [2020-07-20 13:00:30,087 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 604 613) no Hoare annotation was computed. [2020-07-20 13:00:30,087 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 604 613) no Hoare annotation was computed. [2020-07-20 13:00:30,087 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 710 720) no Hoare annotation was computed. [2020-07-20 13:00:30,087 INFO L268 CegarLoopResult]: For program point L715(line 715) no Hoare annotation was computed. [2020-07-20 13:00:30,087 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 710 720) no Hoare annotation was computed. [2020-07-20 13:00:30,088 INFO L268 CegarLoopResult]: For program point L715-1(line 715) no Hoare annotation was computed. [2020-07-20 13:00:30,088 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 710 720) no Hoare annotation was computed. [2020-07-20 13:00:30,088 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 702 709) no Hoare annotation was computed. [2020-07-20 13:00:30,089 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 702 709) no Hoare annotation was computed. [2020-07-20 13:00:30,089 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 702 709) no Hoare annotation was computed. [2020-07-20 13:00:30,089 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 669 675) no Hoare annotation was computed. [2020-07-20 13:00:30,089 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 669 675) the Hoare annotation is: true [2020-07-20 13:00:30,089 INFO L271 CegarLoopResult]: At program point testENTRY(lines 767 830) the Hoare annotation is: true [2020-07-20 13:00:30,089 INFO L264 CegarLoopResult]: At program point L799(line 799) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (<= test_~splverifierCounter~0 0)) [2020-07-20 13:00:30,089 INFO L268 CegarLoopResult]: For program point L797(lines 797 803) no Hoare annotation was computed. [2020-07-20 13:00:30,089 INFO L268 CegarLoopResult]: For program point L797-1(lines 797 803) no Hoare annotation was computed. [2020-07-20 13:00:30,090 INFO L268 CegarLoopResult]: For program point testFINAL(lines 767 830) no Hoare annotation was computed. [2020-07-20 13:00:30,090 INFO L264 CegarLoopResult]: At program point L789(line 789) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (<= test_~splverifierCounter~0 0)) [2020-07-20 13:00:30,090 INFO L264 CegarLoopResult]: At program point L820(lines 777 822) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (<= test_~splverifierCounter~0 0)) [2020-07-20 13:00:30,090 INFO L268 CegarLoopResult]: For program point L787(lines 787 793) no Hoare annotation was computed. [2020-07-20 13:00:30,092 INFO L268 CegarLoopResult]: For program point L787-1(lines 787 793) no Hoare annotation was computed. [2020-07-20 13:00:30,092 INFO L268 CegarLoopResult]: For program point L779(lines 779 783) no Hoare annotation was computed. [2020-07-20 13:00:30,092 INFO L264 CegarLoopResult]: At program point L823(lines 776 824) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~systemActive~0))) [2020-07-20 13:00:30,092 INFO L268 CegarLoopResult]: For program point L813(lines 813 817) no Hoare annotation was computed. [2020-07-20 13:00:30,093 INFO L264 CegarLoopResult]: At program point L813-2(lines 807 818) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (<= test_~splverifierCounter~0 0)) [2020-07-20 13:00:30,093 INFO L268 CegarLoopResult]: For program point L778(lines 777 822) no Hoare annotation was computed. [2020-07-20 13:00:30,094 INFO L268 CegarLoopResult]: For program point L807(lines 807 818) no Hoare annotation was computed. [2020-07-20 13:00:30,094 INFO L268 CegarLoopResult]: For program point testEXIT(lines 767 830) no Hoare annotation was computed. [2020-07-20 13:00:30,094 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 351 396) no Hoare annotation was computed. [2020-07-20 13:00:30,095 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 351 396) no Hoare annotation was computed. [2020-07-20 13:00:30,097 INFO L268 CegarLoopResult]: For program point L371(lines 371 378) no Hoare annotation was computed. [2020-07-20 13:00:30,097 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 351 396) no Hoare annotation was computed. [2020-07-20 13:00:30,098 INFO L268 CegarLoopResult]: For program point L365(lines 365 385) no Hoare annotation was computed. [2020-07-20 13:00:30,098 INFO L268 CegarLoopResult]: For program point L365-1(lines 365 385) no Hoare annotation was computed. [2020-07-20 13:00:30,098 INFO L268 CegarLoopResult]: For program point L505(lines 505 513) no Hoare annotation was computed. [2020-07-20 13:00:30,098 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 497 519) no Hoare annotation was computed. [2020-07-20 13:00:30,098 INFO L268 CegarLoopResult]: For program point L505-2(lines 505 513) no Hoare annotation was computed. [2020-07-20 13:00:30,098 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 497 519) no Hoare annotation was computed. [2020-07-20 13:00:30,098 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 497 519) no Hoare annotation was computed. [2020-07-20 13:00:30,098 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-07-20 13:00:30,098 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-07-20 13:00:30,098 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-07-20 13:00:30,098 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 248 350) no Hoare annotation was computed. [2020-07-20 13:00:30,099 INFO L268 CegarLoopResult]: For program point L318(lines 296 319) no Hoare annotation was computed. [2020-07-20 13:00:30,099 INFO L268 CegarLoopResult]: For program point L277(lines 277 293) no Hoare annotation was computed. [2020-07-20 13:00:30,099 INFO L268 CegarLoopResult]: For program point L337(lines 337 344) no Hoare annotation was computed. [2020-07-20 13:00:30,099 INFO L268 CegarLoopResult]: For program point L298(lines 297 317) no Hoare annotation was computed. [2020-07-20 13:00:30,101 INFO L268 CegarLoopResult]: For program point L329(line 329) no Hoare annotation was computed. [2020-07-20 13:00:30,101 INFO L268 CegarLoopResult]: For program point L329-1(line 329) no Hoare annotation was computed. [2020-07-20 13:00:30,101 INFO L268 CegarLoopResult]: For program point L294(lines 294 335) no Hoare annotation was computed. [2020-07-20 13:00:30,101 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 248 350) no Hoare annotation was computed. [2020-07-20 13:00:30,101 INFO L268 CegarLoopResult]: For program point L313(line 313) no Hoare annotation was computed. [2020-07-20 13:00:30,102 INFO L268 CegarLoopResult]: For program point L313-1(line 313) no Hoare annotation was computed. [2020-07-20 13:00:30,102 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 248 350) no Hoare annotation was computed. [2020-07-20 13:00:30,102 INFO L268 CegarLoopResult]: For program point L272(lines 272 276) no Hoare annotation was computed. [2020-07-20 13:00:30,102 INFO L268 CegarLoopResult]: For program point L336(lines 336 347) no Hoare annotation was computed. [2020-07-20 13:00:30,102 INFO L268 CegarLoopResult]: For program point L299(lines 299 303) no Hoare annotation was computed. [2020-07-20 13:00:30,102 INFO L268 CegarLoopResult]: For program point L297-2(lines 297 317) no Hoare annotation was computed. [2020-07-20 13:00:30,102 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:00:30,102 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-20 13:00:30,102 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:00:30,103 INFO L268 CegarLoopResult]: For program point L690-1(line 690) no Hoare annotation was computed. [2020-07-20 13:00:30,103 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 685 701) no Hoare annotation was computed. [2020-07-20 13:00:30,103 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 685 701) no Hoare annotation was computed. [2020-07-20 13:00:30,103 INFO L268 CegarLoopResult]: For program point L696(line 696) no Hoare annotation was computed. [2020-07-20 13:00:30,103 INFO L268 CegarLoopResult]: For program point L696-1(lines 685 701) no Hoare annotation was computed. [2020-07-20 13:00:30,103 INFO L268 CegarLoopResult]: For program point L692(lines 692 698) no Hoare annotation was computed. [2020-07-20 13:00:30,103 INFO L268 CegarLoopResult]: For program point L690(line 690) no Hoare annotation was computed. [2020-07-20 13:00:30,103 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 520 528) no Hoare annotation was computed. [2020-07-20 13:00:30,103 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 520 528) no Hoare annotation was computed. [2020-07-20 13:00:30,103 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 520 528) no Hoare annotation was computed. [2020-07-20 13:00:30,103 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:00:30,103 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 13:00:30,103 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:00:30,103 INFO L268 CegarLoopResult]: For program point L480-1(lines 476 487) no Hoare annotation was computed. [2020-07-20 13:00:30,104 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 476 487) the Hoare annotation is: true [2020-07-20 13:00:30,104 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 476 487) no Hoare annotation was computed. [2020-07-20 13:00:30,104 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 488 496) the Hoare annotation is: true [2020-07-20 13:00:30,104 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 488 496) no Hoare annotation was computed. [2020-07-20 13:00:30,104 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 488 496) no Hoare annotation was computed. [2020-07-20 13:00:30,104 INFO L271 CegarLoopResult]: At program point L658(line 658) the Hoare annotation is: true [2020-07-20 13:00:30,104 INFO L271 CegarLoopResult]: At program point L656(lines 656 662) the Hoare annotation is: true [2020-07-20 13:00:30,104 INFO L271 CegarLoopResult]: At program point timeShiftENTRY(lines 645 668) the Hoare annotation is: true [2020-07-20 13:00:30,104 INFO L264 CegarLoopResult]: At program point L651(line 651) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~systemActive~0))) [2020-07-20 13:00:30,104 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 645 668) no Hoare annotation was computed. [2020-07-20 13:00:30,104 INFO L268 CegarLoopResult]: For program point L649(lines 648 667) no Hoare annotation was computed. [2020-07-20 13:00:30,104 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 645 668) no Hoare annotation was computed. [2020-07-20 13:00:30,105 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 541 570) no Hoare annotation was computed. [2020-07-20 13:00:30,105 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 541 570) the Hoare annotation is: true [2020-07-20 13:00:30,105 INFO L271 CegarLoopResult]: At program point L566(lines 541 570) the Hoare annotation is: true [2020-07-20 13:00:30,105 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-20 13:00:30,105 INFO L268 CegarLoopResult]: For program point L555(lines 555 559) no Hoare annotation was computed. [2020-07-20 13:00:30,105 INFO L271 CegarLoopResult]: At program point L555-1(lines 555 559) the Hoare annotation is: true [2020-07-20 13:00:30,105 INFO L268 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-07-20 13:00:30,105 INFO L271 CegarLoopResult]: At program point L551-2(lines 551 565) the Hoare annotation is: true [2020-07-20 13:00:30,106 INFO L271 CegarLoopResult]: At program point L547(line 547) the Hoare annotation is: true [2020-07-20 13:00:30,106 INFO L268 CegarLoopResult]: For program point L547-1(line 547) no Hoare annotation was computed. [2020-07-20 13:00:30,106 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 452 463) the Hoare annotation is: true [2020-07-20 13:00:30,106 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 452 463) no Hoare annotation was computed. [2020-07-20 13:00:30,106 INFO L268 CegarLoopResult]: For program point L456-1(lines 452 463) no Hoare annotation was computed. [2020-07-20 13:00:30,106 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 596 602) no Hoare annotation was computed. [2020-07-20 13:00:30,106 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 596 602) the Hoare annotation is: true [2020-07-20 13:00:30,106 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:00:30,107 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-20 13:00:30,107 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 13:00:30,107 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:00:30,107 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 464 475) no Hoare annotation was computed. [2020-07-20 13:00:30,107 INFO L271 CegarLoopResult]: At program point waterRiseENTRY(lines 464 475) the Hoare annotation is: true [2020-07-20 13:00:30,107 INFO L268 CegarLoopResult]: For program point L468-1(lines 464 475) no Hoare annotation was computed. [2020-07-20 13:00:30,107 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 530 537) no Hoare annotation was computed. [2020-07-20 13:00:30,108 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 534) no Hoare annotation was computed. [2020-07-20 13:00:30,108 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 530 537) the Hoare annotation is: true [2020-07-20 13:00:30,108 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 530 537) no Hoare annotation was computed. [2020-07-20 13:00:30,108 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 832 856) the Hoare annotation is: true [2020-07-20 13:00:30,108 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 832 856) no Hoare annotation was computed. [2020-07-20 13:00:30,108 INFO L264 CegarLoopResult]: At program point L846(line 846) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~systemActive~0))) [2020-07-20 13:00:30,108 INFO L268 CegarLoopResult]: For program point L844(lines 844 850) no Hoare annotation was computed. [2020-07-20 13:00:30,109 INFO L271 CegarLoopResult]: At program point L842(line 842) the Hoare annotation is: true [2020-07-20 13:00:30,109 INFO L268 CegarLoopResult]: For program point L842-1(line 842) no Hoare annotation was computed. [2020-07-20 13:00:30,109 INFO L268 CegarLoopResult]: For program point L840(lines 840 853) no Hoare annotation was computed. [2020-07-20 13:00:30,109 INFO L268 CegarLoopResult]: For program point L840-1(lines 832 856) no Hoare annotation was computed. [2020-07-20 13:00:30,109 INFO L271 CegarLoopResult]: At program point L838(line 838) the Hoare annotation is: true [2020-07-20 13:00:30,109 INFO L268 CegarLoopResult]: For program point L838-1(line 838) no Hoare annotation was computed. [2020-07-20 13:00:30,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:00:30 BoogieIcfgContainer [2020-07-20 13:00:30,126 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 13:00:30,129 INFO L168 Benchmark]: Toolchain (without parser) took 5795.41 ms. Allocated memory was 145.8 MB in the beginning and 248.0 MB in the end (delta: 102.2 MB). Free memory was 101.0 MB in the beginning and 136.0 MB in the end (delta: -35.0 MB). Peak memory consumption was 67.3 MB. Max. memory is 7.1 GB. [2020-07-20 13:00:30,130 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 145.8 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-20 13:00:30,131 INFO L168 Benchmark]: CACSL2BoogieTranslator took 619.47 ms. Allocated memory was 145.8 MB in the beginning and 204.5 MB in the end (delta: 58.7 MB). Free memory was 100.6 MB in the beginning and 175.3 MB in the end (delta: -74.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2020-07-20 13:00:30,132 INFO L168 Benchmark]: Boogie Preprocessor took 90.33 ms. Allocated memory is still 204.5 MB. Free memory was 175.3 MB in the beginning and 171.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-20 13:00:30,133 INFO L168 Benchmark]: RCFGBuilder took 1281.96 ms. Allocated memory was 204.5 MB in the beginning and 237.0 MB in the end (delta: 32.5 MB). Free memory was 171.2 MB in the beginning and 205.1 MB in the end (delta: -33.9 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. [2020-07-20 13:00:30,134 INFO L168 Benchmark]: TraceAbstraction took 3798.46 ms. Allocated memory was 237.0 MB in the beginning and 248.0 MB in the end (delta: 11.0 MB). Free memory was 203.7 MB in the beginning and 136.0 MB in the end (delta: 67.6 MB). Peak memory consumption was 78.7 MB. Max. memory is 7.1 GB. [2020-07-20 13:00:30,138 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 145.8 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 619.47 ms. Allocated memory was 145.8 MB in the beginning and 204.5 MB in the end (delta: 58.7 MB). Free memory was 100.6 MB in the beginning and 175.3 MB in the end (delta: -74.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.33 ms. Allocated memory is still 204.5 MB. Free memory was 175.3 MB in the beginning and 171.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1281.96 ms. Allocated memory was 204.5 MB in the beginning and 237.0 MB in the end (delta: 32.5 MB). Free memory was 171.2 MB in the beginning and 205.1 MB in the end (delta: -33.9 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3798.46 ms. Allocated memory was 237.0 MB in the beginning and 248.0 MB in the end (delta: 11.0 MB). Free memory was 203.7 MB in the beginning and 136.0 MB in the end (delta: 67.6 MB). Peak memory consumption was 78.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 534]: 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: 777]: Loop Invariant Derived loop invariant: (!(1 <= systemActive) || !(0 == pumpRunning)) || splverifierCounter <= 0 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: !(0 == pumpRunning) || !(1 <= systemActive) - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 201 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.2s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 337 SDtfs, 84 SDslu, 244 SDs, 0 SdLazy, 44 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 196 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred 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, 40 LocationsWithAnnotation, 113 PreInvPairs, 120 NumberOfFragments, 114 HoareAnnotationTreeSize, 113 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 40 FomulaSimplificationsInter, 373 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 198 NumberOfCodeBlocks, 177 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 18658 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2451 ConjunctsInSsa, 16 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...