/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_spec2_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 13:01:21,996 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 13:01:21,999 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 13:01:22,016 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 13:01:22,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 13:01:22,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 13:01:22,021 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 13:01:22,030 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 13:01:22,035 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 13:01:22,038 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 13:01:22,039 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 13:01:22,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 13:01:22,041 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 13:01:22,042 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 13:01:22,045 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 13:01:22,046 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 13:01:22,048 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 13:01:22,049 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 13:01:22,050 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 13:01:22,055 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 13:01:22,060 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 13:01:22,065 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 13:01:22,066 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 13:01:22,066 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 13:01:22,069 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 13:01:22,069 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 13:01:22,069 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 13:01:22,072 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 13:01:22,072 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 13:01:22,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 13:01:22,075 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 13:01:22,076 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 13:01:22,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 13:01:22,077 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 13:01:22,078 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 13:01:22,078 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 13:01:22,079 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 13:01:22,079 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 13:01:22,079 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 13:01:22,080 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 13:01:22,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 13:01:22,082 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 13:01:22,107 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 13:01:22,107 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 13:01:22,109 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 13:01:22,109 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 13:01:22,109 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 13:01:22,109 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 13:01:22,110 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 13:01:22,110 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 13:01:22,110 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 13:01:22,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 13:01:22,110 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 13:01:22,110 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 13:01:22,110 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 13:01:22,111 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 13:01:22,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 13:01:22,111 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 13:01:22,113 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 13:01:22,113 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 13:01:22,114 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 13:01:22,115 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 13:01:22,115 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 13:01:22,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:01:22,115 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 13:01:22,115 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 13:01:22,116 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 13:01:22,116 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 13:01:22,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:22,119 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 13:01:22,120 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 13:01:22,120 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 13:01:22,406 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 13:01:22,423 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 13:01:22,426 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 13:01:22,428 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 13:01:22,428 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 13:01:22,429 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product09.cil.c [2020-07-20 13:01:22,513 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/558f5c8be/b8ab75b963a245198a193ce06c6c7efc/FLAG10325fa85 [2020-07-20 13:01:23,017 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 13:01:23,018 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product09.cil.c [2020-07-20 13:01:23,031 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/558f5c8be/b8ab75b963a245198a193ce06c6c7efc/FLAG10325fa85 [2020-07-20 13:01:23,357 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/558f5c8be/b8ab75b963a245198a193ce06c6c7efc [2020-07-20 13:01:23,365 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 13:01:23,368 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 13:01:23,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 13:01:23,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 13:01:23,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 13:01:23,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:01:23" (1/1) ... [2020-07-20 13:01:23,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5164c09c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:23, skipping insertion in model container [2020-07-20 13:01:23,378 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:01:23" (1/1) ... [2020-07-20 13:01:23,386 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 13:01:23,428 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 13:01:23,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:01:23,922 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 13:01:23,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:01:24,028 INFO L208 MainTranslator]: Completed translation [2020-07-20 13:01:24,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:24 WrapperNode [2020-07-20 13:01:24,029 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 13:01:24,030 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 13:01:24,030 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 13:01:24,030 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 13:01:24,042 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:24" (1/1) ... [2020-07-20 13:01:24,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:24" (1/1) ... [2020-07-20 13:01:24,062 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:24" (1/1) ... [2020-07-20 13:01:24,062 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:24" (1/1) ... [2020-07-20 13:01:24,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:24" (1/1) ... [2020-07-20 13:01:24,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:24" (1/1) ... [2020-07-20 13:01:24,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:24" (1/1) ... [2020-07-20 13:01:24,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 13:01:24,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 13:01:24,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 13:01:24,118 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 13:01:24,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:24" (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 13:01:24,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 13:01:24,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 13:01:24,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 13:01:24,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 13:01:24,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 13:01:24,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 13:01:24,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 13:01:24,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 13:01:24,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 13:01:24,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 13:01:24,203 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 13:01:24,203 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 13:01:24,203 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 13:01:24,204 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-07-20 13:01:24,204 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 13:01:24,205 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 13:01:24,205 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 13:01:24,205 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 13:01:24,205 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 13:01:24,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-20 13:01:24,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-20 13:01:24,206 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 13:01:24,206 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 13:01:24,206 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 13:01:24,206 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 13:01:24,207 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 13:01:24,208 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 13:01:24,208 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 13:01:24,208 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 13:01:24,208 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 13:01:24,208 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 13:01:24,209 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 13:01:24,209 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 13:01:24,209 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 13:01:24,209 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 13:01:24,209 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 13:01:24,209 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 13:01:24,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 13:01:24,210 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 13:01:24,210 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 13:01:24,210 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 13:01:24,210 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 13:01:24,210 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 13:01:24,211 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 13:01:24,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 13:01:24,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 13:01:24,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 13:01:24,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 13:01:24,212 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 13:01:24,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 13:01:24,213 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 13:01:24,213 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 13:01:24,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 13:01:24,213 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 13:01:24,213 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 13:01:24,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 13:01:24,214 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 13:01:24,214 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 13:01:24,214 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 13:01:24,215 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 13:01:24,215 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 13:01:24,215 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 13:01:24,215 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 13:01:24,215 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 13:01:24,215 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 13:01:24,216 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 13:01:24,216 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 13:01:24,216 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 13:01:24,216 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 13:01:24,216 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-20 13:01:24,216 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 13:01:24,216 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-07-20 13:01:24,217 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 13:01:24,217 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-20 13:01:24,218 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 13:01:24,218 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 13:01:24,219 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 13:01:24,219 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 13:01:24,220 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 13:01:24,220 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 13:01:24,220 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 13:01:24,220 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 13:01:24,220 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 13:01:24,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 13:01:24,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 13:01:24,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 13:01:25,297 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 13:01:25,298 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 13:01:25,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:01:25 BoogieIcfgContainer [2020-07-20 13:01:25,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 13:01:25,304 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 13:01:25,304 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 13:01:25,307 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 13:01:25,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:01:23" (1/3) ... [2020-07-20 13:01:25,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@794686aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:01:25, skipping insertion in model container [2020-07-20 13:01:25,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:24" (2/3) ... [2020-07-20 13:01:25,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@794686aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:01:25, skipping insertion in model container [2020-07-20 13:01:25,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:01:25" (3/3) ... [2020-07-20 13:01:25,311 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product09.cil.c [2020-07-20 13:01:25,323 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 13:01:25,332 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 13:01:25,347 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 13:01:25,376 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 13:01:25,376 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 13:01:25,376 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 13:01:25,376 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 13:01:25,377 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 13:01:25,377 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 13:01:25,377 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 13:01:25,377 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 13:01:25,399 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states. [2020-07-20 13:01:25,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 13:01:25,409 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:25,410 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 13:01:25,411 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:25,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:25,418 INFO L82 PathProgramCache]: Analyzing trace with hash -1369653698, now seen corresponding path program 1 times [2020-07-20 13:01:25,427 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:25,428 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [584899324] [2020-07-20 13:01:25,429 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 13:01:25,931 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:01:25,932 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:25,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 13:01:25,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:25,988 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 13:01:25,988 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:25,990 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [584899324] [2020-07-20 13:01:25,991 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:25,991 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 13:01:25,992 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654975341] [2020-07-20 13:01:25,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 13:01:25,999 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:26,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 13:01:26,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:01:26,023 INFO L87 Difference]: Start difference. First operand 140 states. Second operand 2 states. [2020-07-20 13:01:26,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:26,068 INFO L93 Difference]: Finished difference Result 168 states and 213 transitions. [2020-07-20 13:01:26,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 13:01:26,069 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-20 13:01:26,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:26,083 INFO L225 Difference]: With dead ends: 168 [2020-07-20 13:01:26,083 INFO L226 Difference]: Without dead ends: 86 [2020-07-20 13:01:26,088 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 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 13:01:26,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-07-20 13:01:26,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2020-07-20 13:01:26,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-07-20 13:01:26,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 100 transitions. [2020-07-20 13:01:26,146 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 100 transitions. Word has length 51 [2020-07-20 13:01:26,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:26,147 INFO L479 AbstractCegarLoop]: Abstraction has 86 states and 100 transitions. [2020-07-20 13:01:26,147 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 13:01:26,147 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2020-07-20 13:01:26,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 13:01:26,151 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:26,151 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 13:01:26,365 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:26,365 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:26,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:26,366 INFO L82 PathProgramCache]: Analyzing trace with hash -2015305249, now seen corresponding path program 1 times [2020-07-20 13:01:26,367 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:26,368 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1512332155] [2020-07-20 13:01:26,368 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 13:01:26,829 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:01:26,829 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:26,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 13:01:26,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:26,893 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 13:01:26,893 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:26,893 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1512332155] [2020-07-20 13:01:26,894 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:26,894 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:01:26,894 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333387820] [2020-07-20 13:01:26,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:01:26,897 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:26,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:01:26,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:01:26,899 INFO L87 Difference]: Start difference. First operand 86 states and 100 transitions. Second operand 3 states. [2020-07-20 13:01:26,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:26,925 INFO L93 Difference]: Finished difference Result 117 states and 135 transitions. [2020-07-20 13:01:26,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:01:26,927 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 13:01:26,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:26,931 INFO L225 Difference]: With dead ends: 117 [2020-07-20 13:01:26,932 INFO L226 Difference]: Without dead ends: 77 [2020-07-20 13:01:26,933 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 13:01:26,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-07-20 13:01:26,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2020-07-20 13:01:26,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-07-20 13:01:26,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 88 transitions. [2020-07-20 13:01:26,944 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 88 transitions. Word has length 52 [2020-07-20 13:01:26,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:26,944 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 88 transitions. [2020-07-20 13:01:26,945 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:01:26,945 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 88 transitions. [2020-07-20 13:01:26,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-07-20 13:01:26,947 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:26,947 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] [2020-07-20 13:01:27,161 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:27,162 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:27,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:27,163 INFO L82 PathProgramCache]: Analyzing trace with hash 2024373040, now seen corresponding path program 1 times [2020-07-20 13:01:27,163 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:27,163 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1128321639] [2020-07-20 13:01:27,164 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 13:01:27,667 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:01:27,668 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:27,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 13:01:27,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:27,704 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 13:01:27,705 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:27,705 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1128321639] [2020-07-20 13:01:27,705 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:27,706 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:01:27,706 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751031217] [2020-07-20 13:01:27,706 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:01:27,707 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:27,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:01:27,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:01:27,708 INFO L87 Difference]: Start difference. First operand 77 states and 88 transitions. Second operand 3 states. [2020-07-20 13:01:27,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:27,719 INFO L93 Difference]: Finished difference Result 126 states and 149 transitions. [2020-07-20 13:01:27,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:01:27,720 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-07-20 13:01:27,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:27,722 INFO L225 Difference]: With dead ends: 126 [2020-07-20 13:01:27,722 INFO L226 Difference]: Without dead ends: 77 [2020-07-20 13:01:27,723 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 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 13:01:27,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-07-20 13:01:27,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2020-07-20 13:01:27,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-07-20 13:01:27,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 87 transitions. [2020-07-20 13:01:27,732 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 87 transitions. Word has length 56 [2020-07-20 13:01:27,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:27,733 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 87 transitions. [2020-07-20 13:01:27,733 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:01:27,733 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2020-07-20 13:01:27,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 13:01:27,734 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:27,735 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:01:27,947 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:27,948 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:27,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:27,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1738741033, now seen corresponding path program 1 times [2020-07-20 13:01:27,950 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:27,950 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [198085411] [2020-07-20 13:01:27,951 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 13:01:28,397 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:01:28,398 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:28,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 13:01:28,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:28,450 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 13:01:28,450 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:28,451 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [198085411] [2020-07-20 13:01:28,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:28,451 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:01:28,451 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875007256] [2020-07-20 13:01:28,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:01:28,452 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:28,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:01:28,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:01:28,453 INFO L87 Difference]: Start difference. First operand 77 states and 87 transitions. Second operand 6 states. [2020-07-20 13:01:28,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:28,633 INFO L93 Difference]: Finished difference Result 120 states and 141 transitions. [2020-07-20 13:01:28,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:01:28,633 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2020-07-20 13:01:28,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:28,634 INFO L225 Difference]: With dead ends: 120 [2020-07-20 13:01:28,635 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 13:01:28,636 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 54 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 13:01:28,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 13:01:28,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 13:01:28,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 13:01:28,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 13:01:28,637 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2020-07-20 13:01:28,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:28,637 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 13:01:28,637 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:01:28,637 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 13:01:28,638 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 13:01:28,846 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:28,850 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 13:01:29,195 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-20 13:01:29,195 INFO L268 CegarLoopResult]: For program point L126-2(lines 126 147) no Hoare annotation was computed. [2020-07-20 13:01:29,195 INFO L268 CegarLoopResult]: For program point L148(lines 125 149) no Hoare annotation was computed. [2020-07-20 13:01:29,195 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 101 156) no Hoare annotation was computed. [2020-07-20 13:01:29,195 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 101 156) no Hoare annotation was computed. [2020-07-20 13:01:29,196 INFO L268 CegarLoopResult]: For program point L132(lines 132 136) no Hoare annotation was computed. [2020-07-20 13:01:29,196 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 136) no Hoare annotation was computed. [2020-07-20 13:01:29,196 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 101 156) no Hoare annotation was computed. [2020-07-20 13:01:29,196 INFO L268 CegarLoopResult]: For program point L189(lines 189 193) no Hoare annotation was computed. [2020-07-20 13:01:29,196 INFO L268 CegarLoopResult]: For program point L189-1(lines 189 193) no Hoare annotation was computed. [2020-07-20 13:01:29,196 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-20 13:01:29,196 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 157 216) no Hoare annotation was computed. [2020-07-20 13:01:29,196 INFO L268 CegarLoopResult]: For program point L183-2(lines 183 208) no Hoare annotation was computed. [2020-07-20 13:01:29,197 INFO L268 CegarLoopResult]: For program point L209(lines 182 210) no Hoare annotation was computed. [2020-07-20 13:01:29,197 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 157 216) no Hoare annotation was computed. [2020-07-20 13:01:29,197 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-20 13:01:29,197 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 157 216) no Hoare annotation was computed. [2020-07-20 13:01:29,197 INFO L268 CegarLoopResult]: For program point L202-1(line 202) no Hoare annotation was computed. [2020-07-20 13:01:29,197 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 855 861) the Hoare annotation is: true [2020-07-20 13:01:29,198 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 855 861) no Hoare annotation was computed. [2020-07-20 13:01:29,198 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 862 870) no Hoare annotation was computed. [2020-07-20 13:01:29,198 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 862 870) the Hoare annotation is: true [2020-07-20 13:01:29,198 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 862 870) no Hoare annotation was computed. [2020-07-20 13:01:29,198 INFO L271 CegarLoopResult]: At program point L738-1(line 738) the Hoare annotation is: true [2020-07-20 13:01:29,198 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 732 754) the Hoare annotation is: true [2020-07-20 13:01:29,198 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 732 754) no Hoare annotation was computed. [2020-07-20 13:01:29,199 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 732 754) no Hoare annotation was computed. [2020-07-20 13:01:29,199 INFO L271 CegarLoopResult]: At program point L744(line 744) the Hoare annotation is: true [2020-07-20 13:01:29,199 INFO L271 CegarLoopResult]: At program point L744-1(line 744) the Hoare annotation is: true [2020-07-20 13:01:29,199 INFO L268 CegarLoopResult]: For program point L742(lines 742 749) no Hoare annotation was computed. [2020-07-20 13:01:29,199 INFO L268 CegarLoopResult]: For program point L742-1(lines 742 749) no Hoare annotation was computed. [2020-07-20 13:01:29,199 INFO L268 CegarLoopResult]: For program point L740(line 740) no Hoare annotation was computed. [2020-07-20 13:01:29,199 INFO L271 CegarLoopResult]: At program point L739(line 739) the Hoare annotation is: true [2020-07-20 13:01:29,199 INFO L271 CegarLoopResult]: At program point L738(line 738) the Hoare annotation is: true [2020-07-20 13:01:29,200 INFO L268 CegarLoopResult]: For program point L705(line 705) no Hoare annotation was computed. [2020-07-20 13:01:29,200 INFO L268 CegarLoopResult]: For program point L704(line 704) no Hoare annotation was computed. [2020-07-20 13:01:29,200 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 687 710) no Hoare annotation was computed. [2020-07-20 13:01:29,200 INFO L268 CegarLoopResult]: For program point L703(line 703) no Hoare annotation was computed. [2020-07-20 13:01:29,200 INFO L268 CegarLoopResult]: For program point L702(line 702) no Hoare annotation was computed. [2020-07-20 13:01:29,200 INFO L268 CegarLoopResult]: For program point L701(line 701) no Hoare annotation was computed. [2020-07-20 13:01:29,200 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 687 710) no Hoare annotation was computed. [2020-07-20 13:01:29,201 INFO L268 CegarLoopResult]: For program point L700(line 700) no Hoare annotation was computed. [2020-07-20 13:01:29,201 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 687 710) no Hoare annotation was computed. [2020-07-20 13:01:29,201 INFO L268 CegarLoopResult]: For program point L699(line 699) no Hoare annotation was computed. [2020-07-20 13:01:29,201 INFO L268 CegarLoopResult]: For program point L698(line 698) no Hoare annotation was computed. [2020-07-20 13:01:29,201 INFO L268 CegarLoopResult]: For program point L697(line 697) no Hoare annotation was computed. [2020-07-20 13:01:29,201 INFO L268 CegarLoopResult]: For program point L696(line 696) no Hoare annotation was computed. [2020-07-20 13:01:29,201 INFO L268 CegarLoopResult]: For program point L695(line 695) no Hoare annotation was computed. [2020-07-20 13:01:29,201 INFO L268 CegarLoopResult]: For program point L694(line 694) no Hoare annotation was computed. [2020-07-20 13:01:29,202 INFO L268 CegarLoopResult]: For program point L693(line 693) no Hoare annotation was computed. [2020-07-20 13:01:29,202 INFO L268 CegarLoopResult]: For program point L692(line 692) no Hoare annotation was computed. [2020-07-20 13:01:29,202 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 526 533) no Hoare annotation was computed. [2020-07-20 13:01:29,202 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 526 533) no Hoare annotation was computed. [2020-07-20 13:01:29,202 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 526 533) no Hoare annotation was computed. [2020-07-20 13:01:29,202 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 571 579) no Hoare annotation was computed. [2020-07-20 13:01:29,202 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 571 579) the Hoare annotation is: true [2020-07-20 13:01:29,203 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 571 579) no Hoare annotation was computed. [2020-07-20 13:01:29,203 INFO L268 CegarLoopResult]: For program point L610-1(line 610) no Hoare annotation was computed. [2020-07-20 13:01:29,203 INFO L268 CegarLoopResult]: For program point L599(lines 599 607) no Hoare annotation was computed. [2020-07-20 13:01:29,203 INFO L268 CegarLoopResult]: For program point L599-2(lines 599 607) no Hoare annotation was computed. [2020-07-20 13:01:29,203 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 580 615) no Hoare annotation was computed. [2020-07-20 13:01:29,203 INFO L268 CegarLoopResult]: For program point L587(lines 587 595) no Hoare annotation was computed. [2020-07-20 13:01:29,203 INFO L268 CegarLoopResult]: For program point L587-2(lines 587 595) no Hoare annotation was computed. [2020-07-20 13:01:29,203 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 580 615) no Hoare annotation was computed. [2020-07-20 13:01:29,204 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 580 615) no Hoare annotation was computed. [2020-07-20 13:01:29,204 INFO L268 CegarLoopResult]: For program point L610(line 610) no Hoare annotation was computed. [2020-07-20 13:01:29,204 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 848 854) no Hoare annotation was computed. [2020-07-20 13:01:29,204 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 848 854) the Hoare annotation is: true [2020-07-20 13:01:29,204 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 55 100) no Hoare annotation was computed. [2020-07-20 13:01:29,204 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 55 100) no Hoare annotation was computed. [2020-07-20 13:01:29,204 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 55 100) no Hoare annotation was computed. [2020-07-20 13:01:29,205 INFO L268 CegarLoopResult]: For program point L382(lines 382 402) no Hoare annotation was computed. [2020-07-20 13:01:29,205 INFO L268 CegarLoopResult]: For program point L382-1(lines 382 402) no Hoare annotation was computed. [2020-07-20 13:01:29,205 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 368 413) no Hoare annotation was computed. [2020-07-20 13:01:29,205 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 368 413) no Hoare annotation was computed. [2020-07-20 13:01:29,205 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 368 413) no Hoare annotation was computed. [2020-07-20 13:01:29,205 INFO L268 CegarLoopResult]: For program point L388(lines 388 395) no Hoare annotation was computed. [2020-07-20 13:01:29,205 INFO L271 CegarLoopResult]: At program point runTestENTRY(lines 718 728) the Hoare annotation is: true [2020-07-20 13:01:29,205 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 718 728) no Hoare annotation was computed. [2020-07-20 13:01:29,206 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 718 728) no Hoare annotation was computed. [2020-07-20 13:01:29,206 INFO L271 CegarLoopResult]: At program point L723(line 723) the Hoare annotation is: true [2020-07-20 13:01:29,206 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 560 570) no Hoare annotation was computed. [2020-07-20 13:01:29,206 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 560 570) no Hoare annotation was computed. [2020-07-20 13:01:29,206 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 560 570) no Hoare annotation was computed. [2020-07-20 13:01:29,206 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-20 13:01:29,206 INFO L268 CegarLoopResult]: For program point L565-1(line 565) no Hoare annotation was computed. [2020-07-20 13:01:29,206 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 552 559) no Hoare annotation was computed. [2020-07-20 13:01:29,207 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 552 559) no Hoare annotation was computed. [2020-07-20 13:01:29,207 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 552 559) no Hoare annotation was computed. [2020-07-20 13:01:29,207 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 519 525) no Hoare annotation was computed. [2020-07-20 13:01:29,207 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 519 525) the Hoare annotation is: true [2020-07-20 13:01:29,207 INFO L271 CegarLoopResult]: At program point testENTRY(lines 419 482) the Hoare annotation is: true [2020-07-20 13:01:29,207 INFO L264 CegarLoopResult]: At program point L475(lines 428 476) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~systemActive~0))) [2020-07-20 13:01:29,207 INFO L268 CegarLoopResult]: For program point testFINAL(lines 419 482) no Hoare annotation was computed. [2020-07-20 13:01:29,208 INFO L268 CegarLoopResult]: For program point L465(lines 465 469) no Hoare annotation was computed. [2020-07-20 13:01:29,208 INFO L264 CegarLoopResult]: At program point L465-2(lines 459 470) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (<= test_~splverifierCounter~0 0)) [2020-07-20 13:01:29,208 INFO L268 CegarLoopResult]: For program point L430(lines 429 474) no Hoare annotation was computed. [2020-07-20 13:01:29,208 INFO L268 CegarLoopResult]: For program point L459(lines 459 470) no Hoare annotation was computed. [2020-07-20 13:01:29,208 INFO L264 CegarLoopResult]: At program point L451(line 451) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (<= test_~splverifierCounter~0 0)) [2020-07-20 13:01:29,208 INFO L268 CegarLoopResult]: For program point L449(lines 449 455) no Hoare annotation was computed. [2020-07-20 13:01:29,208 INFO L268 CegarLoopResult]: For program point L449-1(lines 449 455) no Hoare annotation was computed. [2020-07-20 13:01:29,209 INFO L264 CegarLoopResult]: At program point L441(line 441) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (<= test_~splverifierCounter~0 0)) [2020-07-20 13:01:29,209 INFO L264 CegarLoopResult]: At program point L472(lines 429 474) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (<= test_~splverifierCounter~0 0)) [2020-07-20 13:01:29,209 INFO L268 CegarLoopResult]: For program point L439(lines 439 445) no Hoare annotation was computed. [2020-07-20 13:01:29,209 INFO L268 CegarLoopResult]: For program point L439-1(lines 439 445) no Hoare annotation was computed. [2020-07-20 13:01:29,209 INFO L268 CegarLoopResult]: For program point L431(lines 431 435) no Hoare annotation was computed. [2020-07-20 13:01:29,209 INFO L268 CegarLoopResult]: For program point testEXIT(lines 419 482) no Hoare annotation was computed. [2020-07-20 13:01:29,210 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 322 367) no Hoare annotation was computed. [2020-07-20 13:01:29,210 INFO L268 CegarLoopResult]: For program point L342(lines 342 349) no Hoare annotation was computed. [2020-07-20 13:01:29,210 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 322 367) no Hoare annotation was computed. [2020-07-20 13:01:29,210 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 322 367) no Hoare annotation was computed. [2020-07-20 13:01:29,210 INFO L268 CegarLoopResult]: For program point L336(lines 336 356) no Hoare annotation was computed. [2020-07-20 13:01:29,210 INFO L268 CegarLoopResult]: For program point L336-1(lines 336 356) no Hoare annotation was computed. [2020-07-20 13:01:29,210 INFO L264 CegarLoopResult]: At program point L641(line 641) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~systemActive~0))) [2020-07-20 13:01:29,211 INFO L268 CegarLoopResult]: For program point L639(lines 639 645) no Hoare annotation was computed. [2020-07-20 13:01:29,211 INFO L268 CegarLoopResult]: For program point L638(lines 638 648) no Hoare annotation was computed. [2020-07-20 13:01:29,211 INFO L271 CegarLoopResult]: At program point L636(line 636) the Hoare annotation is: true [2020-07-20 13:01:29,211 INFO L268 CegarLoopResult]: For program point L636-1(line 636) no Hoare annotation was computed. [2020-07-20 13:01:29,211 INFO L268 CegarLoopResult]: For program point L634(lines 634 651) no Hoare annotation was computed. [2020-07-20 13:01:29,211 INFO L268 CegarLoopResult]: For program point L634-1(lines 626 654) no Hoare annotation was computed. [2020-07-20 13:01:29,211 INFO L271 CegarLoopResult]: At program point L632(line 632) the Hoare annotation is: true [2020-07-20 13:01:29,212 INFO L268 CegarLoopResult]: For program point L632-1(line 632) no Hoare annotation was computed. [2020-07-20 13:01:29,212 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 626 654) the Hoare annotation is: true [2020-07-20 13:01:29,212 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 626 654) no Hoare annotation was computed. [2020-07-20 13:01:29,212 INFO L268 CegarLoopResult]: For program point L812(lines 812 820) no Hoare annotation was computed. [2020-07-20 13:01:29,212 INFO L268 CegarLoopResult]: For program point L812-2(lines 812 820) no Hoare annotation was computed. [2020-07-20 13:01:29,212 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 804 826) no Hoare annotation was computed. [2020-07-20 13:01:29,212 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 804 826) no Hoare annotation was computed. [2020-07-20 13:01:29,213 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 804 826) no Hoare annotation was computed. [2020-07-20 13:01:29,213 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 618 625) the Hoare annotation is: true [2020-07-20 13:01:29,213 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 618 625) no Hoare annotation was computed. [2020-07-20 13:01:29,213 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 618 625) no Hoare annotation was computed. [2020-07-20 13:01:29,213 INFO L268 CegarLoopResult]: For program point L289(lines 267 290) no Hoare annotation was computed. [2020-07-20 13:01:29,213 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 219 321) no Hoare annotation was computed. [2020-07-20 13:01:29,213 INFO L268 CegarLoopResult]: For program point L248(lines 248 264) no Hoare annotation was computed. [2020-07-20 13:01:29,213 INFO L268 CegarLoopResult]: For program point L308(lines 308 315) no Hoare annotation was computed. [2020-07-20 13:01:29,214 INFO L268 CegarLoopResult]: For program point L269(lines 268 288) no Hoare annotation was computed. [2020-07-20 13:01:29,214 INFO L268 CegarLoopResult]: For program point L300(line 300) no Hoare annotation was computed. [2020-07-20 13:01:29,214 INFO L268 CegarLoopResult]: For program point L300-1(line 300) no Hoare annotation was computed. [2020-07-20 13:01:29,214 INFO L268 CegarLoopResult]: For program point L265(lines 265 306) no Hoare annotation was computed. [2020-07-20 13:01:29,214 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 219 321) no Hoare annotation was computed. [2020-07-20 13:01:29,214 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-07-20 13:01:29,214 INFO L268 CegarLoopResult]: For program point L284-1(line 284) no Hoare annotation was computed. [2020-07-20 13:01:29,214 INFO L268 CegarLoopResult]: For program point L243(lines 243 247) no Hoare annotation was computed. [2020-07-20 13:01:29,215 INFO L268 CegarLoopResult]: For program point L307(lines 307 318) no Hoare annotation was computed. [2020-07-20 13:01:29,215 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 219 321) no Hoare annotation was computed. [2020-07-20 13:01:29,215 INFO L268 CegarLoopResult]: For program point L270(lines 270 274) no Hoare annotation was computed. [2020-07-20 13:01:29,215 INFO L268 CegarLoopResult]: For program point L268-2(lines 268 288) no Hoare annotation was computed. [2020-07-20 13:01:29,215 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 838 847) no Hoare annotation was computed. [2020-07-20 13:01:29,215 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 838 847) no Hoare annotation was computed. [2020-07-20 13:01:29,215 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 838 847) no Hoare annotation was computed. [2020-07-20 13:01:29,215 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:01:29,216 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-20 13:01:29,216 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:01:29,216 INFO L268 CegarLoopResult]: For program point L546-1(lines 535 551) no Hoare annotation was computed. [2020-07-20 13:01:29,216 INFO L268 CegarLoopResult]: For program point L542(lines 542 548) no Hoare annotation was computed. [2020-07-20 13:01:29,216 INFO L268 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-07-20 13:01:29,216 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 535 551) no Hoare annotation was computed. [2020-07-20 13:01:29,216 INFO L268 CegarLoopResult]: For program point L540-1(line 540) no Hoare annotation was computed. [2020-07-20 13:01:29,216 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 535 551) no Hoare annotation was computed. [2020-07-20 13:01:29,217 INFO L268 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-07-20 13:01:29,217 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 827 835) no Hoare annotation was computed. [2020-07-20 13:01:29,217 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 827 835) no Hoare annotation was computed. [2020-07-20 13:01:29,217 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 827 835) no Hoare annotation was computed. [2020-07-20 13:01:29,217 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:01:29,217 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 13:01:29,217 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:01:29,217 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 783 794) the Hoare annotation is: true [2020-07-20 13:01:29,217 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 783 794) no Hoare annotation was computed. [2020-07-20 13:01:29,218 INFO L268 CegarLoopResult]: For program point L787-1(lines 783 794) no Hoare annotation was computed. [2020-07-20 13:01:29,218 INFO L271 CegarLoopResult]: At program point L508(line 508) the Hoare annotation is: true [2020-07-20 13:01:29,218 INFO L271 CegarLoopResult]: At program point L506(lines 506 512) the Hoare annotation is: true [2020-07-20 13:01:29,218 INFO L264 CegarLoopResult]: At program point L501(line 501) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~systemActive~0))) [2020-07-20 13:01:29,218 INFO L268 CegarLoopResult]: For program point L499(lines 498 517) no Hoare annotation was computed. [2020-07-20 13:01:29,218 INFO L271 CegarLoopResult]: At program point timeShiftENTRY(lines 495 518) the Hoare annotation is: true [2020-07-20 13:01:29,218 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 495 518) no Hoare annotation was computed. [2020-07-20 13:01:29,218 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 495 518) no Hoare annotation was computed. [2020-07-20 13:01:29,219 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 657 686) no Hoare annotation was computed. [2020-07-20 13:01:29,219 INFO L268 CegarLoopResult]: For program point L671(lines 671 675) no Hoare annotation was computed. [2020-07-20 13:01:29,219 INFO L271 CegarLoopResult]: At program point L671-1(lines 671 675) the Hoare annotation is: true [2020-07-20 13:01:29,219 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 657 686) the Hoare annotation is: true [2020-07-20 13:01:29,219 INFO L268 CegarLoopResult]: For program point L668(line 668) no Hoare annotation was computed. [2020-07-20 13:01:29,219 INFO L271 CegarLoopResult]: At program point L667-2(lines 667 681) the Hoare annotation is: true [2020-07-20 13:01:29,219 INFO L271 CegarLoopResult]: At program point L663(line 663) the Hoare annotation is: true [2020-07-20 13:01:29,219 INFO L268 CegarLoopResult]: For program point L663-1(line 663) no Hoare annotation was computed. [2020-07-20 13:01:29,220 INFO L271 CegarLoopResult]: At program point L682(lines 657 686) the Hoare annotation is: true [2020-07-20 13:01:29,220 INFO L268 CegarLoopResult]: For program point L678(line 678) no Hoare annotation was computed. [2020-07-20 13:01:29,220 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 795 803) the Hoare annotation is: true [2020-07-20 13:01:29,220 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 795 803) no Hoare annotation was computed. [2020-07-20 13:01:29,220 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 795 803) no Hoare annotation was computed. [2020-07-20 13:01:29,220 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 759 770) the Hoare annotation is: true [2020-07-20 13:01:29,220 INFO L268 CegarLoopResult]: For program point L763-1(lines 759 770) no Hoare annotation was computed. [2020-07-20 13:01:29,220 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 759 770) no Hoare annotation was computed. [2020-07-20 13:01:29,220 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 711 717) no Hoare annotation was computed. [2020-07-20 13:01:29,221 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 711 717) the Hoare annotation is: true [2020-07-20 13:01:29,221 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:01:29,221 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-20 13:01:29,221 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 13:01:29,221 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:01:29,221 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 771 782) no Hoare annotation was computed. [2020-07-20 13:01:29,222 INFO L268 CegarLoopResult]: For program point L775-1(lines 771 782) no Hoare annotation was computed. [2020-07-20 13:01:29,222 INFO L271 CegarLoopResult]: At program point waterRiseENTRY(lines 771 782) the Hoare annotation is: true [2020-07-20 13:01:29,222 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-20 13:01:29,222 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-20 13:01:29,222 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-20 13:01:29,222 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-20 13:01:29,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:01:29 BoogieIcfgContainer [2020-07-20 13:01:29,238 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 13:01:29,241 INFO L168 Benchmark]: Toolchain (without parser) took 5873.24 ms. Allocated memory was 138.9 MB in the beginning and 247.5 MB in the end (delta: 108.5 MB). Free memory was 101.5 MB in the beginning and 124.6 MB in the end (delta: -23.1 MB). Peak memory consumption was 85.4 MB. Max. memory is 7.1 GB. [2020-07-20 13:01:29,242 INFO L168 Benchmark]: CDTParser took 0.55 ms. Allocated memory is still 138.9 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 13:01:29,243 INFO L168 Benchmark]: CACSL2BoogieTranslator took 659.83 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 101.1 MB in the beginning and 173.3 MB in the end (delta: -72.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2020-07-20 13:01:29,244 INFO L168 Benchmark]: Boogie Preprocessor took 87.86 ms. Allocated memory is still 203.9 MB. Free memory was 173.3 MB in the beginning and 169.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-20 13:01:29,245 INFO L168 Benchmark]: RCFGBuilder took 1185.12 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 169.3 MB in the beginning and 200.9 MB in the end (delta: -31.6 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. [2020-07-20 13:01:29,246 INFO L168 Benchmark]: TraceAbstraction took 3934.14 ms. Allocated memory was 237.0 MB in the beginning and 247.5 MB in the end (delta: 10.5 MB). Free memory was 200.9 MB in the beginning and 124.6 MB in the end (delta: 76.3 MB). Peak memory consumption was 86.7 MB. Max. memory is 7.1 GB. [2020-07-20 13:01:29,250 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55 ms. Allocated memory is still 138.9 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 659.83 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 101.1 MB in the beginning and 173.3 MB in the end (delta: -72.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.86 ms. Allocated memory is still 203.9 MB. Free memory was 173.3 MB in the beginning and 169.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1185.12 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 169.3 MB in the beginning and 200.9 MB in the end (delta: -31.6 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3934.14 ms. Allocated memory was 237.0 MB in the beginning and 247.5 MB in the end (delta: 10.5 MB). Free memory was 200.9 MB in the beginning and 124.6 MB in the end (delta: 76.3 MB). Peak memory consumption was 86.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 429]: Loop Invariant Derived loop invariant: (!(1 <= systemActive) || !(0 == pumpRunning)) || splverifierCounter <= 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: !(0 == pumpRunning) || !(1 <= systemActive) - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 206 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.4s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 359 SDtfs, 86 SDslu, 261 SDs, 0 SdLazy, 46 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 216 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=140occurred 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, 42 LocationsWithAnnotation, 115 PreInvPairs, 122 NumberOfFragments, 116 HoareAnnotationTreeSize, 115 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 42 FomulaSimplificationsInter, 403 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 218 NumberOfCodeBlocks, 193 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 22492 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2576 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...