/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_spec4_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 13:03:54,046 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 13:03:54,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 13:03:54,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 13:03:54,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 13:03:54,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 13:03:54,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 13:03:54,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 13:03:54,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 13:03:54,066 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 13:03:54,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 13:03:54,068 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 13:03:54,069 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 13:03:54,070 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 13:03:54,071 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 13:03:54,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 13:03:54,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 13:03:54,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 13:03:54,075 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 13:03:54,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 13:03:54,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 13:03:54,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 13:03:54,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 13:03:54,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 13:03:54,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 13:03:54,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 13:03:54,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 13:03:54,085 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 13:03:54,085 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 13:03:54,086 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 13:03:54,086 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 13:03:54,087 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 13:03:54,088 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 13:03:54,088 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 13:03:54,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 13:03:54,090 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 13:03:54,090 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 13:03:54,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 13:03:54,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 13:03:54,092 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 13:03:54,092 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 13:03:54,093 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 13:03:54,108 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 13:03:54,108 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 13:03:54,109 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 13:03:54,109 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 13:03:54,109 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 13:03:54,110 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 13:03:54,110 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 13:03:54,110 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 13:03:54,110 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 13:03:54,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 13:03:54,111 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 13:03:54,111 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 13:03:54,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 13:03:54,111 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 13:03:54,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 13:03:54,111 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 13:03:54,112 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 13:03:54,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 13:03:54,112 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 13:03:54,113 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 13:03:54,114 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 13:03:54,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:03:54,114 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 13:03:54,114 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 13:03:54,114 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 13:03:54,115 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 13:03:54,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:54,115 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 13:03:54,115 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 13:03:54,115 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 13:03:54,416 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 13:03:54,430 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 13:03:54,434 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 13:03:54,435 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 13:03:54,436 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 13:03:54,436 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product62.cil.c [2020-07-20 13:03:54,505 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f68ebe1e0/f69b3d428dc8491c8412007bd6c07353/FLAG8ad141548 [2020-07-20 13:03:55,045 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 13:03:55,046 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product62.cil.c [2020-07-20 13:03:55,063 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f68ebe1e0/f69b3d428dc8491c8412007bd6c07353/FLAG8ad141548 [2020-07-20 13:03:55,363 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f68ebe1e0/f69b3d428dc8491c8412007bd6c07353 [2020-07-20 13:03:55,372 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 13:03:55,374 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 13:03:55,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 13:03:55,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 13:03:55,378 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 13:03:55,379 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:03:55" (1/1) ... [2020-07-20 13:03:55,382 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@543ba9f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:55, skipping insertion in model container [2020-07-20 13:03:55,382 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:03:55" (1/1) ... [2020-07-20 13:03:55,390 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 13:03:55,434 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 13:03:55,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:03:55,959 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 13:03:56,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:03:56,079 INFO L208 MainTranslator]: Completed translation [2020-07-20 13:03:56,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:56 WrapperNode [2020-07-20 13:03:56,080 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 13:03:56,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 13:03:56,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 13:03:56,081 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 13:03:56,094 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:56" (1/1) ... [2020-07-20 13:03:56,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:56" (1/1) ... [2020-07-20 13:03:56,113 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:56" (1/1) ... [2020-07-20 13:03:56,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:56" (1/1) ... [2020-07-20 13:03:56,156 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:56" (1/1) ... [2020-07-20 13:03:56,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:56" (1/1) ... [2020-07-20 13:03:56,184 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:56" (1/1) ... [2020-07-20 13:03:56,208 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 13:03:56,211 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 13:03:56,212 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 13:03:56,212 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 13:03:56,213 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:56" (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 13:03:56,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 13:03:56,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 13:03:56,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 13:03:56,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 13:03:56,297 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 13:03:56,298 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 13:03:56,298 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 13:03:56,298 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 13:03:56,299 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 13:03:56,299 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 13:03:56,300 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 13:03:56,300 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 13:03:56,301 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 13:03:56,301 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 13:03:56,301 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 13:03:56,302 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 13:03:56,302 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 13:03:56,303 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 13:03:56,303 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 13:03:56,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-20 13:03:56,304 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 13:03:56,304 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 13:03:56,304 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 13:03:56,304 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 13:03:56,304 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 13:03:56,305 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 13:03:56,305 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 13:03:56,306 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 13:03:56,306 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 13:03:56,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 13:03:56,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 13:03:56,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 13:03:56,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 13:03:56,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 13:03:56,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 13:03:56,307 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 13:03:56,307 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 13:03:56,307 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 13:03:56,308 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 13:03:56,308 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 13:03:56,308 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 13:03:56,308 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 13:03:56,309 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 13:03:56,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 13:03:56,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 13:03:56,309 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 13:03:56,309 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 13:03:56,309 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 13:03:56,310 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 13:03:56,310 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 13:03:56,310 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 13:03:56,310 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 13:03:56,310 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 13:03:56,310 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 13:03:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 13:03:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 13:03:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 13:03:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 13:03:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 13:03:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 13:03:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 13:03:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 13:03:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-20 13:03:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 13:03:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 13:03:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 13:03:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 13:03:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 13:03:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 13:03:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 13:03:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 13:03:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 13:03:56,315 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 13:03:56,315 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 13:03:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 13:03:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 13:03:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 13:03:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 13:03:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 13:03:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 13:03:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 13:03:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 13:03:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 13:03:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 13:03:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 13:03:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 13:03:56,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 13:03:56,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 13:03:56,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 13:03:56,321 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 13:03:56,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 13:03:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 13:03:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 13:03:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 13:03:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 13:03:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 13:03:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 13:03:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 13:03:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 13:03:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 13:03:57,603 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 13:03:57,604 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 13:03:57,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:03:57 BoogieIcfgContainer [2020-07-20 13:03:57,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 13:03:57,615 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 13:03:57,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 13:03:57,619 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 13:03:57,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:03:55" (1/3) ... [2020-07-20 13:03:57,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@651b6507 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:03:57, skipping insertion in model container [2020-07-20 13:03:57,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:56" (2/3) ... [2020-07-20 13:03:57,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@651b6507 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:03:57, skipping insertion in model container [2020-07-20 13:03:57,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:03:57" (3/3) ... [2020-07-20 13:03:57,623 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product62.cil.c [2020-07-20 13:03:57,634 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 13:03:57,645 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 13:03:57,659 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 13:03:57,698 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 13:03:57,698 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 13:03:57,699 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 13:03:57,699 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 13:03:57,700 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 13:03:57,702 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 13:03:57,702 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 13:03:57,703 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 13:03:57,733 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states. [2020-07-20 13:03:57,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-20 13:03:57,742 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:57,743 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 13:03:57,744 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:57,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:57,750 INFO L82 PathProgramCache]: Analyzing trace with hash 182694304, now seen corresponding path program 1 times [2020-07-20 13:03:57,759 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:57,760 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1484218991] [2020-07-20 13:03:57,761 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 13:03:58,295 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:03:58,296 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:58,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 13:03:58,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:58,344 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 13:03:58,344 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:58,345 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1484218991] [2020-07-20 13:03:58,346 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:58,346 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 13:03:58,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193994150] [2020-07-20 13:03:58,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 13:03:58,353 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:58,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 13:03:58,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:03:58,366 INFO L87 Difference]: Start difference. First operand 200 states. Second operand 2 states. [2020-07-20 13:03:58,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:58,414 INFO L93 Difference]: Finished difference Result 314 states and 387 transitions. [2020-07-20 13:03:58,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 13:03:58,416 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-20 13:03:58,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:58,430 INFO L225 Difference]: With dead ends: 314 [2020-07-20 13:03:58,430 INFO L226 Difference]: Without dead ends: 157 [2020-07-20 13:03:58,436 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 13:03:58,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-07-20 13:03:58,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2020-07-20 13:03:58,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-07-20 13:03:58,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 185 transitions. [2020-07-20 13:03:58,497 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 185 transitions. Word has length 46 [2020-07-20 13:03:58,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:58,498 INFO L479 AbstractCegarLoop]: Abstraction has 157 states and 185 transitions. [2020-07-20 13:03:58,498 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 13:03:58,498 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 185 transitions. [2020-07-20 13:03:58,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-20 13:03:58,502 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:58,502 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 13:03:58,715 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:58,716 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:58,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:58,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1720628684, now seen corresponding path program 1 times [2020-07-20 13:03:58,718 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:58,718 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [182472522] [2020-07-20 13:03:58,719 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 13:03:59,306 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:03:59,307 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:59,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 13:03:59,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:59,356 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 13:03:59,356 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:59,356 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [182472522] [2020-07-20 13:03:59,357 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:59,357 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:03:59,357 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586183380] [2020-07-20 13:03:59,359 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:03:59,359 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:59,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:03:59,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:03:59,360 INFO L87 Difference]: Start difference. First operand 157 states and 185 transitions. Second operand 3 states. [2020-07-20 13:03:59,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:59,396 INFO L93 Difference]: Finished difference Result 259 states and 305 transitions. [2020-07-20 13:03:59,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:03:59,398 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-20 13:03:59,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:59,404 INFO L225 Difference]: With dead ends: 259 [2020-07-20 13:03:59,404 INFO L226 Difference]: Without dead ends: 148 [2020-07-20 13:03:59,409 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 13:03:59,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-07-20 13:03:59,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2020-07-20 13:03:59,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-07-20 13:03:59,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 173 transitions. [2020-07-20 13:03:59,443 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 173 transitions. Word has length 47 [2020-07-20 13:03:59,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:59,445 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 173 transitions. [2020-07-20 13:03:59,445 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:03:59,445 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 173 transitions. [2020-07-20 13:03:59,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 13:03:59,449 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:59,449 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 13:03:59,656 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:59,657 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:59,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:59,658 INFO L82 PathProgramCache]: Analyzing trace with hash 1588538268, now seen corresponding path program 1 times [2020-07-20 13:03:59,658 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:59,659 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1555731929] [2020-07-20 13:03:59,659 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 13:04:00,120 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:04:00,121 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:00,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 13:04:00,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:00,163 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 13:04:00,164 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:00,164 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1555731929] [2020-07-20 13:04:00,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:00,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:04:00,165 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127752485] [2020-07-20 13:04:00,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:04:00,166 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:00,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:04:00,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:04:00,166 INFO L87 Difference]: Start difference. First operand 148 states and 173 transitions. Second operand 3 states. [2020-07-20 13:04:00,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:00,186 INFO L93 Difference]: Finished difference Result 272 states and 323 transitions. [2020-07-20 13:04:00,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:04:00,186 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 13:04:00,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:00,189 INFO L225 Difference]: With dead ends: 272 [2020-07-20 13:04:00,189 INFO L226 Difference]: Without dead ends: 148 [2020-07-20 13:04:00,190 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 13:04:00,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-07-20 13:04:00,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2020-07-20 13:04:00,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-07-20 13:04:00,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 172 transitions. [2020-07-20 13:04:00,206 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 172 transitions. Word has length 52 [2020-07-20 13:04:00,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:00,207 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 172 transitions. [2020-07-20 13:04:00,207 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:04:00,207 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 172 transitions. [2020-07-20 13:04:00,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-20 13:04:00,210 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:00,210 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:04:00,425 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:00,426 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:00,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:00,427 INFO L82 PathProgramCache]: Analyzing trace with hash 265767055, now seen corresponding path program 1 times [2020-07-20 13:04:00,427 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:00,428 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1668119940] [2020-07-20 13:04:00,428 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 13:04:00,886 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:04:00,886 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:00,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 13:04:00,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:00,958 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 13:04:00,960 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:00,960 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1668119940] [2020-07-20 13:04:00,961 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:00,961 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:04:00,961 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336156659] [2020-07-20 13:04:00,962 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:04:00,962 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:00,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:04:00,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:04:00,963 INFO L87 Difference]: Start difference. First operand 148 states and 172 transitions. Second operand 6 states. [2020-07-20 13:04:01,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:01,718 INFO L93 Difference]: Finished difference Result 371 states and 446 transitions. [2020-07-20 13:04:01,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 13:04:01,719 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-20 13:04:01,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:01,723 INFO L225 Difference]: With dead ends: 371 [2020-07-20 13:04:01,723 INFO L226 Difference]: Without dead ends: 247 [2020-07-20 13:04:01,724 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-20 13:04:01,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2020-07-20 13:04:01,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 231. [2020-07-20 13:04:01,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2020-07-20 13:04:01,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 257 transitions. [2020-07-20 13:04:01,753 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 257 transitions. Word has length 70 [2020-07-20 13:04:01,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:01,754 INFO L479 AbstractCegarLoop]: Abstraction has 231 states and 257 transitions. [2020-07-20 13:04:01,754 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:04:01,773 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 257 transitions. [2020-07-20 13:04:01,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-20 13:04:01,776 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:01,776 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:04:01,984 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:01,985 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:01,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:01,986 INFO L82 PathProgramCache]: Analyzing trace with hash 990610989, now seen corresponding path program 1 times [2020-07-20 13:04:01,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:01,987 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [277899679] [2020-07-20 13:04:01,988 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:02,345 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:04:02,345 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:02,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-20 13:04:02,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:02,416 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 13:04:02,416 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:02,416 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [277899679] [2020-07-20 13:04:02,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:02,417 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:04:02,417 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084062604] [2020-07-20 13:04:02,419 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:04:02,419 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:02,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:04:02,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:04:02,421 INFO L87 Difference]: Start difference. First operand 231 states and 257 transitions. Second operand 6 states. [2020-07-20 13:04:02,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:02,689 INFO L93 Difference]: Finished difference Result 570 states and 665 transitions. [2020-07-20 13:04:02,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:04:02,690 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2020-07-20 13:04:02,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:02,696 INFO L225 Difference]: With dead ends: 570 [2020-07-20 13:04:02,696 INFO L226 Difference]: Without dead ends: 363 [2020-07-20 13:04:02,698 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 79 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 13:04:02,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2020-07-20 13:04:02,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2020-07-20 13:04:02,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2020-07-20 13:04:02,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 420 transitions. [2020-07-20 13:04:02,740 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 420 transitions. Word has length 84 [2020-07-20 13:04:02,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:02,741 INFO L479 AbstractCegarLoop]: Abstraction has 363 states and 420 transitions. [2020-07-20 13:04:02,741 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:04:02,741 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 420 transitions. [2020-07-20 13:04:02,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-07-20 13:04:02,747 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:02,747 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:04:02,962 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:02,962 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:02,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:02,963 INFO L82 PathProgramCache]: Analyzing trace with hash 2008036261, now seen corresponding path program 1 times [2020-07-20 13:04:02,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:02,964 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [941584829] [2020-07-20 13:04:02,965 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:03,348 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:04:03,348 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:03,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 811 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 13:04:03,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:03,417 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-07-20 13:04:03,417 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:03,418 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [941584829] [2020-07-20 13:04:03,418 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:03,418 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:04:03,418 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206546608] [2020-07-20 13:04:03,419 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:04:03,419 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:03,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:04:03,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:04:03,420 INFO L87 Difference]: Start difference. First operand 363 states and 420 transitions. Second operand 6 states. [2020-07-20 13:04:03,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:03,472 INFO L93 Difference]: Finished difference Result 716 states and 858 transitions. [2020-07-20 13:04:03,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:04:03,472 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 148 [2020-07-20 13:04:03,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:03,476 INFO L225 Difference]: With dead ends: 716 [2020-07-20 13:04:03,476 INFO L226 Difference]: Without dead ends: 377 [2020-07-20 13:04:03,477 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 13:04:03,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2020-07-20 13:04:03,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 373. [2020-07-20 13:04:03,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2020-07-20 13:04:03,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 431 transitions. [2020-07-20 13:04:03,508 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 431 transitions. Word has length 148 [2020-07-20 13:04:03,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:03,508 INFO L479 AbstractCegarLoop]: Abstraction has 373 states and 431 transitions. [2020-07-20 13:04:03,509 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:04:03,509 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 431 transitions. [2020-07-20 13:04:03,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-07-20 13:04:03,511 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:03,512 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:04:03,725 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:03,725 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:03,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:03,726 INFO L82 PathProgramCache]: Analyzing trace with hash -935545817, now seen corresponding path program 1 times [2020-07-20 13:04:03,726 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:03,726 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [561002276] [2020-07-20 13:04:03,726 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:04,058 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:04:04,058 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:04,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 812 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 13:04:04,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:04,100 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-07-20 13:04:04,100 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:04,100 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [561002276] [2020-07-20 13:04:04,101 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:04,101 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 13:04:04,101 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827404047] [2020-07-20 13:04:04,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 13:04:04,102 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:04,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 13:04:04,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 13:04:04,103 INFO L87 Difference]: Start difference. First operand 373 states and 431 transitions. Second operand 5 states. [2020-07-20 13:04:04,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:04,156 INFO L93 Difference]: Finished difference Result 694 states and 826 transitions. [2020-07-20 13:04:04,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 13:04:04,156 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-07-20 13:04:04,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:04,159 INFO L225 Difference]: With dead ends: 694 [2020-07-20 13:04:04,159 INFO L226 Difference]: Without dead ends: 345 [2020-07-20 13:04:04,161 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 13:04:04,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2020-07-20 13:04:04,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 345. [2020-07-20 13:04:04,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2020-07-20 13:04:04,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 399 transitions. [2020-07-20 13:04:04,184 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 399 transitions. Word has length 148 [2020-07-20 13:04:04,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:04,184 INFO L479 AbstractCegarLoop]: Abstraction has 345 states and 399 transitions. [2020-07-20 13:04:04,184 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 13:04:04,184 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 399 transitions. [2020-07-20 13:04:04,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-07-20 13:04:04,187 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:04,187 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:04:04,400 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:04,401 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:04,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:04,402 INFO L82 PathProgramCache]: Analyzing trace with hash -420025368, now seen corresponding path program 1 times [2020-07-20 13:04:04,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:04,403 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1713206663] [2020-07-20 13:04:04,403 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:04,626 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 13:04:04,627 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:04,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 13:04:04,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:04,704 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:04:04,704 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:04,704 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1713206663] [2020-07-20 13:04:04,704 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:04,705 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:04:04,705 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664318597] [2020-07-20 13:04:04,706 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:04:04,706 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:04,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:04:04,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:04:04,707 INFO L87 Difference]: Start difference. First operand 345 states and 399 transitions. Second operand 6 states. [2020-07-20 13:04:05,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:05,588 INFO L93 Difference]: Finished difference Result 922 states and 1135 transitions. [2020-07-20 13:04:05,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 13:04:05,589 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 148 [2020-07-20 13:04:05,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:05,593 INFO L225 Difference]: With dead ends: 922 [2020-07-20 13:04:05,594 INFO L226 Difference]: Without dead ends: 601 [2020-07-20 13:04:05,595 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-20 13:04:05,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2020-07-20 13:04:05,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 585. [2020-07-20 13:04:05,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 585 states. [2020-07-20 13:04:05,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 693 transitions. [2020-07-20 13:04:05,638 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 693 transitions. Word has length 148 [2020-07-20 13:04:05,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:05,639 INFO L479 AbstractCegarLoop]: Abstraction has 585 states and 693 transitions. [2020-07-20 13:04:05,639 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:04:05,639 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 693 transitions. [2020-07-20 13:04:05,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-20 13:04:05,642 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:05,642 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:04:05,856 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:05,857 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:05,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:05,858 INFO L82 PathProgramCache]: Analyzing trace with hash 2041878082, now seen corresponding path program 1 times [2020-07-20 13:04:05,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:05,859 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1950539499] [2020-07-20 13:04:05,859 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:06,319 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:04:06,319 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:06,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 13:04:06,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:06,423 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:04:06,423 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 13:04:06,917 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-20 13:04:06,917 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1950539499] [2020-07-20 13:04:06,918 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 13:04:06,918 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2020-07-20 13:04:06,918 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853913863] [2020-07-20 13:04:06,919 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-20 13:04:06,919 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:06,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-20 13:04:06,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-07-20 13:04:06,920 INFO L87 Difference]: Start difference. First operand 585 states and 693 transitions. Second operand 12 states. [2020-07-20 13:04:08,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:08,753 INFO L93 Difference]: Finished difference Result 1517 states and 1920 transitions. [2020-07-20 13:04:08,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-20 13:04:08,754 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 152 [2020-07-20 13:04:08,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:08,767 INFO L225 Difference]: With dead ends: 1517 [2020-07-20 13:04:08,767 INFO L226 Difference]: Without dead ends: 956 [2020-07-20 13:04:08,769 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 292 SyntacticMatches, 6 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2020-07-20 13:04:08,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 956 states. [2020-07-20 13:04:08,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 956 to 772. [2020-07-20 13:04:08,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 772 states. [2020-07-20 13:04:08,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 904 transitions. [2020-07-20 13:04:08,838 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 904 transitions. Word has length 152 [2020-07-20 13:04:08,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:08,840 INFO L479 AbstractCegarLoop]: Abstraction has 772 states and 904 transitions. [2020-07-20 13:04:08,841 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-20 13:04:08,841 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 904 transitions. [2020-07-20 13:04:08,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-07-20 13:04:08,849 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:08,850 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:04:09,063 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:09,064 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:09,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:09,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1621582473, now seen corresponding path program 1 times [2020-07-20 13:04:09,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:09,066 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [175051362] [2020-07-20 13:04:09,066 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:09,474 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:04:09,475 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:09,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 957 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 13:04:09,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:09,584 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-20 13:04:09,585 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 13:04:09,699 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 88 proven. 26 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-20 13:04:09,699 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 13:04:09,973 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 13:04:10,091 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-20 13:04:10,092 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 13:04:10,147 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-20 13:04:10,148 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 13:04:10,166 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-20 13:04:10,167 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 13:04:10,219 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 13:04:10,522 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 50 proven. 16 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-07-20 13:04:10,522 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [175051362] [2020-07-20 13:04:10,523 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 13:04:10,523 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16 [2020-07-20 13:04:10,523 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248344236] [2020-07-20 13:04:10,524 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-07-20 13:04:10,524 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:10,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-07-20 13:04:10,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2020-07-20 13:04:10,525 INFO L87 Difference]: Start difference. First operand 772 states and 904 transitions. Second operand 16 states. [2020-07-20 13:04:13,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:13,143 INFO L93 Difference]: Finished difference Result 2147 states and 2720 transitions. [2020-07-20 13:04:13,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-20 13:04:13,144 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 222 [2020-07-20 13:04:13,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:13,154 INFO L225 Difference]: With dead ends: 2147 [2020-07-20 13:04:13,154 INFO L226 Difference]: Without dead ends: 1450 [2020-07-20 13:04:13,157 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 459 GetRequests, 433 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=174, Invalid=528, Unknown=0, NotChecked=0, Total=702 [2020-07-20 13:04:13,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1450 states. [2020-07-20 13:04:13,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1450 to 1138. [2020-07-20 13:04:13,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1138 states. [2020-07-20 13:04:13,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 1138 states and 1321 transitions. [2020-07-20 13:04:13,247 INFO L78 Accepts]: Start accepts. Automaton has 1138 states and 1321 transitions. Word has length 222 [2020-07-20 13:04:13,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:13,248 INFO L479 AbstractCegarLoop]: Abstraction has 1138 states and 1321 transitions. [2020-07-20 13:04:13,248 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-07-20 13:04:13,248 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 1321 transitions. [2020-07-20 13:04:13,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-07-20 13:04:13,253 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:13,253 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:04:13,469 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:13,470 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:13,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:13,471 INFO L82 PathProgramCache]: Analyzing trace with hash -1106626873, now seen corresponding path program 1 times [2020-07-20 13:04:13,471 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:13,471 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1105691137] [2020-07-20 13:04:13,471 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:13,971 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:04:13,971 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:13,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 958 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 13:04:13,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:14,096 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-07-20 13:04:14,097 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:14,097 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1105691137] [2020-07-20 13:04:14,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:14,098 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:04:14,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65099302] [2020-07-20 13:04:14,101 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:04:14,101 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:14,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:04:14,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:04:14,102 INFO L87 Difference]: Start difference. First operand 1138 states and 1321 transitions. Second operand 6 states. [2020-07-20 13:04:14,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:14,166 INFO L93 Difference]: Finished difference Result 1482 states and 1715 transitions. [2020-07-20 13:04:14,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:04:14,167 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 222 [2020-07-20 13:04:14,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:14,171 INFO L225 Difference]: With dead ends: 1482 [2020-07-20 13:04:14,171 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 13:04:14,176 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 13:04:14,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 13:04:14,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 13:04:14,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 13:04:14,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 13:04:14,177 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 222 [2020-07-20 13:04:14,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:14,178 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 13:04:14,178 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:04:14,178 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 13:04:14,178 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 13:04:14,392 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:14,396 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 13:04:16,276 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 26 [2020-07-20 13:04:16,666 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 26 [2020-07-20 13:04:16,789 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28 [2020-07-20 13:04:16,906 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 21 [2020-07-20 13:04:17,061 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 26 [2020-07-20 13:04:17,221 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 26 [2020-07-20 13:04:17,748 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 26 [2020-07-20 13:04:18,198 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 26 [2020-07-20 13:04:18,442 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 17 [2020-07-20 13:04:18,642 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 30 [2020-07-20 13:04:18,678 INFO L268 CegarLoopResult]: For program point L639(lines 616 640) no Hoare annotation was computed. [2020-07-20 13:04:18,679 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 592 647) no Hoare annotation was computed. [2020-07-20 13:04:18,679 INFO L268 CegarLoopResult]: For program point L623(lines 623 627) no Hoare annotation was computed. [2020-07-20 13:04:18,679 INFO L268 CegarLoopResult]: For program point L623-1(lines 623 627) no Hoare annotation was computed. [2020-07-20 13:04:18,679 INFO L268 CegarLoopResult]: For program point L618(line 618) no Hoare annotation was computed. [2020-07-20 13:04:18,679 INFO L268 CegarLoopResult]: For program point L617-2(lines 617 638) no Hoare annotation was computed. [2020-07-20 13:04:18,679 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 592 647) no Hoare annotation was computed. [2020-07-20 13:04:18,680 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 592 647) no Hoare annotation was computed. [2020-07-20 13:04:18,680 INFO L268 CegarLoopResult]: For program point L674-2(lines 674 699) no Hoare annotation was computed. [2020-07-20 13:04:18,680 INFO L268 CegarLoopResult]: For program point L700(lines 673 701) no Hoare annotation was computed. [2020-07-20 13:04:18,680 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 648 707) no Hoare annotation was computed. [2020-07-20 13:04:18,680 INFO L268 CegarLoopResult]: For program point L693(line 693) no Hoare annotation was computed. [2020-07-20 13:04:18,680 INFO L268 CegarLoopResult]: For program point L693-1(line 693) no Hoare annotation was computed. [2020-07-20 13:04:18,680 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 648 707) no Hoare annotation was computed. [2020-07-20 13:04:18,680 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 648 707) no Hoare annotation was computed. [2020-07-20 13:04:18,680 INFO L268 CegarLoopResult]: For program point L680(lines 680 684) no Hoare annotation was computed. [2020-07-20 13:04:18,681 INFO L268 CegarLoopResult]: For program point L680-1(lines 680 684) no Hoare annotation was computed. [2020-07-20 13:04:18,681 INFO L268 CegarLoopResult]: For program point L675(line 675) no Hoare annotation was computed. [2020-07-20 13:04:18,681 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 427 433) the Hoare annotation is: true [2020-07-20 13:04:18,681 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 427 433) no Hoare annotation was computed. [2020-07-20 13:04:18,681 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 434 442) no Hoare annotation was computed. [2020-07-20 13:04:18,681 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 434 442) the Hoare annotation is: true [2020-07-20 13:04:18,681 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 434 442) no Hoare annotation was computed. [2020-07-20 13:04:18,682 INFO L268 CegarLoopResult]: For program point L386-1(line 386) no Hoare annotation was computed. [2020-07-20 13:04:18,682 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 380 404) the Hoare annotation is: true [2020-07-20 13:04:18,682 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 380 404) no Hoare annotation was computed. [2020-07-20 13:04:18,682 INFO L264 CegarLoopResult]: At program point L394(line 394) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= 2 ~waterLevel~0))))) [2020-07-20 13:04:18,682 INFO L268 CegarLoopResult]: For program point L392(lines 392 398) no Hoare annotation was computed. [2020-07-20 13:04:18,682 INFO L264 CegarLoopResult]: At program point L390(line 390) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= 2 ~waterLevel~0))))) [2020-07-20 13:04:18,682 INFO L268 CegarLoopResult]: For program point L390-1(line 390) no Hoare annotation was computed. [2020-07-20 13:04:18,683 INFO L268 CegarLoopResult]: For program point L388(lines 388 401) no Hoare annotation was computed. [2020-07-20 13:04:18,683 INFO L268 CegarLoopResult]: For program point L388-1(lines 380 404) no Hoare annotation was computed. [2020-07-20 13:04:18,683 INFO L271 CegarLoopResult]: At program point L386(line 386) the Hoare annotation is: true [2020-07-20 13:04:18,683 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 516 538) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:04:18,683 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 516 538) no Hoare annotation was computed. [2020-07-20 13:04:18,683 INFO L264 CegarLoopResult]: At program point L528(line 528) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:04:18,683 INFO L264 CegarLoopResult]: At program point L528-1(line 528) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:04:18,683 INFO L268 CegarLoopResult]: For program point L526(lines 526 533) no Hoare annotation was computed. [2020-07-20 13:04:18,684 INFO L268 CegarLoopResult]: For program point L526-1(lines 526 533) no Hoare annotation was computed. [2020-07-20 13:04:18,684 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 516 538) no Hoare annotation was computed. [2020-07-20 13:04:18,684 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-07-20 13:04:18,684 INFO L264 CegarLoopResult]: At program point L523(line 523) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:04:18,684 INFO L264 CegarLoopResult]: At program point L522(line 522) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:04:18,684 INFO L264 CegarLoopResult]: At program point L522-1(line 522) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:04:18,684 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-20 13:04:18,684 INFO L268 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-07-20 13:04:18,684 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 475 498) no Hoare annotation was computed. [2020-07-20 13:04:18,685 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 475 498) no Hoare annotation was computed. [2020-07-20 13:04:18,685 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 475 498) no Hoare annotation was computed. [2020-07-20 13:04:18,685 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-20 13:04:18,685 INFO L268 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-07-20 13:04:18,685 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-07-20 13:04:18,685 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-20 13:04:18,685 INFO L268 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-07-20 13:04:18,685 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-20 13:04:18,685 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-20 13:04:18,685 INFO L268 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-07-20 13:04:18,685 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-20 13:04:18,685 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-20 13:04:18,686 INFO L268 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-07-20 13:04:18,686 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-20 13:04:18,686 INFO L264 CegarLoopResult]: At program point L211(line 211) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= 0 ~pumpRunning~0)) (or (= 0 |old(~pumpRunning~0)|) .cse0 .cse1))) [2020-07-20 13:04:18,686 INFO L268 CegarLoopResult]: For program point L211-1(lines 192 216) no Hoare annotation was computed. [2020-07-20 13:04:18,686 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 192 216) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-07-20 13:04:18,686 INFO L264 CegarLoopResult]: At program point L206(line 206) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-20 13:04:18,686 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 192 216) no Hoare annotation was computed. [2020-07-20 13:04:18,686 INFO L264 CegarLoopResult]: At program point L202(line 202) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 processEnvironment__wrappee__methaneQuery_~tmp~2))))) [2020-07-20 13:04:18,686 INFO L268 CegarLoopResult]: For program point L200(lines 200 208) no Hoare annotation was computed. [2020-07-20 13:04:18,686 INFO L264 CegarLoopResult]: At program point L198(line 198) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2020-07-20 13:04:18,687 INFO L268 CegarLoopResult]: For program point L198-1(line 198) no Hoare annotation was computed. [2020-07-20 13:04:18,687 INFO L268 CegarLoopResult]: For program point L196(lines 196 213) no Hoare annotation was computed. [2020-07-20 13:04:18,687 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 287 295) no Hoare annotation was computed. [2020-07-20 13:04:18,687 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 287 295) the Hoare annotation is: true [2020-07-20 13:04:18,687 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 287 295) no Hoare annotation was computed. [2020-07-20 13:04:18,687 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 351 369) the Hoare annotation is: true [2020-07-20 13:04:18,687 INFO L268 CegarLoopResult]: For program point L360(lines 360 364) no Hoare annotation was computed. [2020-07-20 13:04:18,687 INFO L271 CegarLoopResult]: At program point L358(line 358) the Hoare annotation is: true [2020-07-20 13:04:18,687 INFO L268 CegarLoopResult]: For program point L360-2(lines 360 364) no Hoare annotation was computed. [2020-07-20 13:04:18,688 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 351 369) no Hoare annotation was computed. [2020-07-20 13:04:18,688 INFO L268 CegarLoopResult]: For program point L358-1(line 358) no Hoare annotation was computed. [2020-07-20 13:04:18,688 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 351 369) no Hoare annotation was computed. [2020-07-20 13:04:18,688 INFO L268 CegarLoopResult]: For program point L315(lines 315 323) no Hoare annotation was computed. [2020-07-20 13:04:18,688 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 323) no Hoare annotation was computed. [2020-07-20 13:04:18,688 INFO L268 CegarLoopResult]: For program point L303(lines 303 311) no Hoare annotation was computed. [2020-07-20 13:04:18,688 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 296 331) no Hoare annotation was computed. [2020-07-20 13:04:18,688 INFO L268 CegarLoopResult]: For program point L303-2(lines 303 311) no Hoare annotation was computed. [2020-07-20 13:04:18,688 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 296 331) no Hoare annotation was computed. [2020-07-20 13:04:18,688 INFO L268 CegarLoopResult]: For program point L326(line 326) no Hoare annotation was computed. [2020-07-20 13:04:18,689 INFO L268 CegarLoopResult]: For program point L326-1(line 326) no Hoare annotation was computed. [2020-07-20 13:04:18,689 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 296 331) no Hoare annotation was computed. [2020-07-20 13:04:18,689 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 420 426) no Hoare annotation was computed. [2020-07-20 13:04:18,689 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 420 426) the Hoare annotation is: true [2020-07-20 13:04:18,689 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 546 591) no Hoare annotation was computed. [2020-07-20 13:04:18,689 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 546 591) no Hoare annotation was computed. [2020-07-20 13:04:18,689 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 546 591) no Hoare annotation was computed. [2020-07-20 13:04:18,689 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 859 904) no Hoare annotation was computed. [2020-07-20 13:04:18,689 INFO L268 CegarLoopResult]: For program point L879(lines 879 886) no Hoare annotation was computed. [2020-07-20 13:04:18,689 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 859 904) no Hoare annotation was computed. [2020-07-20 13:04:18,690 INFO L268 CegarLoopResult]: For program point L873(lines 873 893) no Hoare annotation was computed. [2020-07-20 13:04:18,690 INFO L268 CegarLoopResult]: For program point L873-1(lines 873 893) no Hoare annotation was computed. [2020-07-20 13:04:18,690 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 859 904) no Hoare annotation was computed. [2020-07-20 13:04:18,690 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 506 515) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:04:18,690 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 506 515) no Hoare annotation was computed. [2020-07-20 13:04:18,690 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 506 515) no Hoare annotation was computed. [2020-07-20 13:04:18,690 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 276 286) the Hoare annotation is: true [2020-07-20 13:04:18,690 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 276 286) no Hoare annotation was computed. [2020-07-20 13:04:18,691 INFO L271 CegarLoopResult]: At program point L281(line 281) the Hoare annotation is: true [2020-07-20 13:04:18,691 INFO L268 CegarLoopResult]: For program point L281-1(line 281) no Hoare annotation was computed. [2020-07-20 13:04:18,691 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 276 286) no Hoare annotation was computed. [2020-07-20 13:04:18,691 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 268 275) the Hoare annotation is: (or (= 0 |old(~pumpRunning~0)|) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-07-20 13:04:18,691 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 268 275) no Hoare annotation was computed. [2020-07-20 13:04:18,691 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 268 275) no Hoare annotation was computed. [2020-07-20 13:04:18,691 INFO L268 CegarLoopResult]: For program point L989(lines 989 995) no Hoare annotation was computed. [2020-07-20 13:04:18,691 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 985 998) no Hoare annotation was computed. [2020-07-20 13:04:18,692 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 985 998) the Hoare annotation is: true [2020-07-20 13:04:18,692 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 985 998) no Hoare annotation was computed. [2020-07-20 13:04:18,692 INFO L264 CegarLoopResult]: At program point L224(line 224) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2020-07-20 13:04:18,692 INFO L268 CegarLoopResult]: For program point L224-1(line 224) no Hoare annotation was computed. [2020-07-20 13:04:18,692 INFO L268 CegarLoopResult]: For program point L222(lines 222 239) no Hoare annotation was computed. [2020-07-20 13:04:18,692 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 218 242) no Hoare annotation was computed. [2020-07-20 13:04:18,692 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 218 242) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-07-20 13:04:18,692 INFO L264 CegarLoopResult]: At program point L237(line 237) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= 0 ~pumpRunning~0)) (or (= 0 |old(~pumpRunning~0)|) .cse0 .cse1))) [2020-07-20 13:04:18,693 INFO L268 CegarLoopResult]: For program point L237-1(lines 218 242) no Hoare annotation was computed. [2020-07-20 13:04:18,693 INFO L264 CegarLoopResult]: At program point L232(line 232) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2020-07-20 13:04:18,693 INFO L264 CegarLoopResult]: At program point L228(line 228) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2020-07-20 13:04:18,693 INFO L268 CegarLoopResult]: For program point L226(lines 226 234) no Hoare annotation was computed. [2020-07-20 13:04:18,693 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 158 164) no Hoare annotation was computed. [2020-07-20 13:04:18,693 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 158 164) the Hoare annotation is: true [2020-07-20 13:04:18,693 INFO L264 CegarLoopResult]: At program point testENTRY(lines 54 119) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:04:18,694 INFO L268 CegarLoopResult]: For program point testFINAL(lines 54 119) no Hoare annotation was computed. [2020-07-20 13:04:18,694 INFO L264 CegarLoopResult]: At program point L112(lines 63 113) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:04:18,694 INFO L268 CegarLoopResult]: For program point L102(lines 102 106) no Hoare annotation was computed. [2020-07-20 13:04:18,694 INFO L264 CegarLoopResult]: At program point L102-2(lines 94 107) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 13:04:18,694 INFO L268 CegarLoopResult]: For program point L65(lines 64 111) no Hoare annotation was computed. [2020-07-20 13:04:18,694 INFO L264 CegarLoopResult]: At program point L96(line 96) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 13:04:18,695 INFO L268 CegarLoopResult]: For program point L94(lines 94 107) no Hoare annotation was computed. [2020-07-20 13:04:18,695 INFO L264 CegarLoopResult]: At program point L86(line 86) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 13:04:18,695 INFO L268 CegarLoopResult]: For program point L84(lines 84 90) no Hoare annotation was computed. [2020-07-20 13:04:18,695 INFO L268 CegarLoopResult]: For program point L84-1(lines 84 90) no Hoare annotation was computed. [2020-07-20 13:04:18,695 INFO L264 CegarLoopResult]: At program point L109(lines 64 111) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 13:04:18,695 INFO L264 CegarLoopResult]: At program point L76(line 76) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 13:04:18,696 INFO L268 CegarLoopResult]: For program point L74(lines 74 80) no Hoare annotation was computed. [2020-07-20 13:04:18,696 INFO L268 CegarLoopResult]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2020-07-20 13:04:18,696 INFO L268 CegarLoopResult]: For program point testEXIT(lines 54 119) no Hoare annotation was computed. [2020-07-20 13:04:18,696 INFO L268 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2020-07-20 13:04:18,696 INFO L268 CegarLoopResult]: For program point L833(lines 833 840) no Hoare annotation was computed. [2020-07-20 13:04:18,696 INFO L268 CegarLoopResult]: For program point L827(lines 827 847) no Hoare annotation was computed. [2020-07-20 13:04:18,696 INFO L268 CegarLoopResult]: For program point L827-1(lines 827 847) no Hoare annotation was computed. [2020-07-20 13:04:18,696 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 813 858) no Hoare annotation was computed. [2020-07-20 13:04:18,696 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 813 858) no Hoare annotation was computed. [2020-07-20 13:04:18,697 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 813 858) no Hoare annotation was computed. [2020-07-20 13:04:18,697 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 243 250) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 13:04:18,697 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 243 250) no Hoare annotation was computed. [2020-07-20 13:04:18,697 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 243 250) no Hoare annotation was computed. [2020-07-20 13:04:18,697 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 999 1007) no Hoare annotation was computed. [2020-07-20 13:04:18,697 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 999 1007) the Hoare annotation is: true [2020-07-20 13:04:18,697 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 999 1007) no Hoare annotation was computed. [2020-07-20 13:04:18,697 INFO L268 CegarLoopResult]: For program point L961(lines 961 969) no Hoare annotation was computed. [2020-07-20 13:04:18,697 INFO L268 CegarLoopResult]: For program point L961-2(lines 961 969) no Hoare annotation was computed. [2020-07-20 13:04:18,698 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 953 975) no Hoare annotation was computed. [2020-07-20 13:04:18,698 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 953 975) no Hoare annotation was computed. [2020-07-20 13:04:18,698 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 953 975) no Hoare annotation was computed. [2020-07-20 13:04:18,698 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 410 419) no Hoare annotation was computed. [2020-07-20 13:04:18,698 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 410 419) no Hoare annotation was computed. [2020-07-20 13:04:18,698 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 410 419) no Hoare annotation was computed. [2020-07-20 13:04:18,698 INFO L268 CegarLoopResult]: For program point L799(lines 799 806) no Hoare annotation was computed. [2020-07-20 13:04:18,698 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 710 812) no Hoare annotation was computed. [2020-07-20 13:04:18,699 INFO L268 CegarLoopResult]: For program point L760(lines 759 779) no Hoare annotation was computed. [2020-07-20 13:04:18,699 INFO L268 CegarLoopResult]: For program point L791(line 791) no Hoare annotation was computed. [2020-07-20 13:04:18,699 INFO L268 CegarLoopResult]: For program point L791-1(line 791) no Hoare annotation was computed. [2020-07-20 13:04:18,699 INFO L268 CegarLoopResult]: For program point L756(lines 756 797) no Hoare annotation was computed. [2020-07-20 13:04:18,699 INFO L268 CegarLoopResult]: For program point L775(line 775) no Hoare annotation was computed. [2020-07-20 13:04:18,699 INFO L268 CegarLoopResult]: For program point L775-1(line 775) no Hoare annotation was computed. [2020-07-20 13:04:18,699 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 710 812) no Hoare annotation was computed. [2020-07-20 13:04:18,699 INFO L268 CegarLoopResult]: For program point L734(lines 734 738) no Hoare annotation was computed. [2020-07-20 13:04:18,699 INFO L268 CegarLoopResult]: For program point L798(lines 798 809) no Hoare annotation was computed. [2020-07-20 13:04:18,700 INFO L268 CegarLoopResult]: For program point L761(lines 761 765) no Hoare annotation was computed. [2020-07-20 13:04:18,700 INFO L268 CegarLoopResult]: For program point L759-2(lines 759 779) no Hoare annotation was computed. [2020-07-20 13:04:18,700 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 710 812) no Hoare annotation was computed. [2020-07-20 13:04:18,700 INFO L268 CegarLoopResult]: For program point L780(lines 758 781) no Hoare annotation was computed. [2020-07-20 13:04:18,700 INFO L268 CegarLoopResult]: For program point L739(lines 739 755) no Hoare annotation was computed. [2020-07-20 13:04:18,700 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:04:18,700 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2020-07-20 13:04:18,700 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:04:18,700 INFO L264 CegarLoopResult]: At program point L256(line 256) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 13:04:18,701 INFO L268 CegarLoopResult]: For program point L256-1(line 256) no Hoare annotation was computed. [2020-07-20 13:04:18,701 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 251 267) no Hoare annotation was computed. [2020-07-20 13:04:18,701 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 251 267) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 13:04:18,701 INFO L264 CegarLoopResult]: At program point L262(line 262) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 13:04:18,701 INFO L268 CegarLoopResult]: For program point L262-1(lines 251 267) no Hoare annotation was computed. [2020-07-20 13:04:18,701 INFO L268 CegarLoopResult]: For program point L258(lines 258 264) no Hoare annotation was computed. [2020-07-20 13:04:18,701 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 332 350) no Hoare annotation was computed. [2020-07-20 13:04:18,701 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 332 350) the Hoare annotation is: true [2020-07-20 13:04:18,702 INFO L268 CegarLoopResult]: For program point L341(lines 341 345) no Hoare annotation was computed. [2020-07-20 13:04:18,702 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 332 350) no Hoare annotation was computed. [2020-07-20 13:04:18,702 INFO L271 CegarLoopResult]: At program point L339(line 339) the Hoare annotation is: true [2020-07-20 13:04:18,702 INFO L268 CegarLoopResult]: For program point L341-2(lines 341 345) no Hoare annotation was computed. [2020-07-20 13:04:18,702 INFO L268 CegarLoopResult]: For program point L339-1(line 339) no Hoare annotation was computed. [2020-07-20 13:04:18,702 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 976 984) the Hoare annotation is: true [2020-07-20 13:04:18,702 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 976 984) no Hoare annotation was computed. [2020-07-20 13:04:18,702 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 976 984) no Hoare annotation was computed. [2020-07-20 13:04:18,702 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 932 943) the Hoare annotation is: true [2020-07-20 13:04:18,703 INFO L268 CegarLoopResult]: For program point L936-1(lines 932 943) no Hoare annotation was computed. [2020-07-20 13:04:18,703 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 932 943) no Hoare annotation was computed. [2020-07-20 13:04:18,703 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:04:18,703 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 13:04:18,703 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:04:18,703 INFO L264 CegarLoopResult]: At program point L147(line 147) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 (and .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (and .cse1 (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|))))) [2020-07-20 13:04:18,703 INFO L264 CegarLoopResult]: At program point L145(lines 145 151) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (and .cse2 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse3) (not (<= 2 |old(~waterLevel~0)|))) (let ((.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse1 (and (<= 2 ~waterLevel~0) .cse2 .cse4) (and .cse3 (<= ~waterLevel~0 1) .cse4) (not .cse0) (not (<= 1 |old(~waterLevel~0)|)))))) [2020-07-20 13:04:18,704 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 134 157) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (and .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2)) (or .cse0 (and .cse1 (= 0 ~pumpRunning~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|))))) [2020-07-20 13:04:18,704 INFO L264 CegarLoopResult]: At program point L140(line 140) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|))))) [2020-07-20 13:04:18,704 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 134 157) no Hoare annotation was computed. [2020-07-20 13:04:18,704 INFO L268 CegarLoopResult]: For program point L138(lines 137 156) no Hoare annotation was computed. [2020-07-20 13:04:18,704 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 134 157) no Hoare annotation was computed. [2020-07-20 13:04:18,704 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 445 474) no Hoare annotation was computed. [2020-07-20 13:04:18,704 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 445 474) the Hoare annotation is: true [2020-07-20 13:04:18,704 INFO L271 CegarLoopResult]: At program point L470(lines 445 474) the Hoare annotation is: true [2020-07-20 13:04:18,705 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-20 13:04:18,705 INFO L268 CegarLoopResult]: For program point L459(lines 459 463) no Hoare annotation was computed. [2020-07-20 13:04:18,705 INFO L271 CegarLoopResult]: At program point L459-1(lines 459 463) the Hoare annotation is: true [2020-07-20 13:04:18,705 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-07-20 13:04:18,705 INFO L271 CegarLoopResult]: At program point L455-2(lines 455 469) the Hoare annotation is: true [2020-07-20 13:04:18,705 INFO L271 CegarLoopResult]: At program point L451(line 451) the Hoare annotation is: true [2020-07-20 13:04:18,705 INFO L268 CegarLoopResult]: For program point L451-1(line 451) no Hoare annotation was computed. [2020-07-20 13:04:18,705 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 944 952) the Hoare annotation is: true [2020-07-20 13:04:18,705 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 944 952) no Hoare annotation was computed. [2020-07-20 13:04:18,705 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 944 952) no Hoare annotation was computed. [2020-07-20 13:04:18,706 INFO L268 CegarLoopResult]: For program point L912-1(lines 908 919) no Hoare annotation was computed. [2020-07-20 13:04:18,706 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 908 919) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~pumpRunning~0) (not (<= 2 |old(~waterLevel~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-20 13:04:18,706 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 908 919) no Hoare annotation was computed. [2020-07-20 13:04:18,706 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 499 505) no Hoare annotation was computed. [2020-07-20 13:04:18,706 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 499 505) the Hoare annotation is: true [2020-07-20 13:04:18,706 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:04:18,706 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 13:04:18,706 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 13:04:18,706 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:04:18,707 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 370 377) no Hoare annotation was computed. [2020-07-20 13:04:18,707 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 370 377) the Hoare annotation is: (let ((.cse0 (<= 1 ~systemActive~0)) (.cse1 (not (<= 1 |old(~systemActive~0)|)))) (and (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) .cse0 .cse1) (or (not (<= 2 ~waterLevel~0)) .cse0 .cse1))) [2020-07-20 13:04:18,707 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 370 377) no Hoare annotation was computed. [2020-07-20 13:04:18,707 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 166 190) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 13:04:18,707 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 166 190) no Hoare annotation was computed. [2020-07-20 13:04:18,707 INFO L264 CegarLoopResult]: At program point L185(line 185) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 13:04:18,707 INFO L268 CegarLoopResult]: For program point L185-1(lines 166 190) no Hoare annotation was computed. [2020-07-20 13:04:18,707 INFO L264 CegarLoopResult]: At program point L180(line 180) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 13:04:18,707 INFO L264 CegarLoopResult]: At program point L176(line 176) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 13:04:18,707 INFO L268 CegarLoopResult]: For program point L174(lines 174 182) no Hoare annotation was computed. [2020-07-20 13:04:18,707 INFO L264 CegarLoopResult]: At program point L172(line 172) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 13:04:18,707 INFO L268 CegarLoopResult]: For program point L172-1(line 172) no Hoare annotation was computed. [2020-07-20 13:04:18,707 INFO L268 CegarLoopResult]: For program point L170(lines 170 187) no Hoare annotation was computed. [2020-07-20 13:04:18,708 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 920 931) no Hoare annotation was computed. [2020-07-20 13:04:18,708 INFO L268 CegarLoopResult]: For program point L924-1(lines 920 931) no Hoare annotation was computed. [2020-07-20 13:04:18,708 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 920 931) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1))) [2020-07-20 13:04:18,708 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-20 13:04:18,708 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-20 13:04:18,708 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-20 13:04:18,708 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-20 13:04:18,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:04:18 BoogieIcfgContainer [2020-07-20 13:04:18,724 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 13:04:18,725 INFO L168 Benchmark]: Toolchain (without parser) took 23352.39 ms. Allocated memory was 144.7 MB in the beginning and 425.7 MB in the end (delta: 281.0 MB). Free memory was 101.5 MB in the beginning and 258.0 MB in the end (delta: -156.5 MB). Peak memory consumption was 297.1 MB. Max. memory is 7.1 GB. [2020-07-20 13:04:18,726 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 144.7 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-20 13:04:18,727 INFO L168 Benchmark]: CACSL2BoogieTranslator took 705.29 ms. Allocated memory was 144.7 MB in the beginning and 204.5 MB in the end (delta: 59.8 MB). Free memory was 101.3 MB in the beginning and 170.9 MB in the end (delta: -69.6 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2020-07-20 13:04:18,728 INFO L168 Benchmark]: Boogie Preprocessor took 127.05 ms. Allocated memory is still 204.5 MB. Free memory was 170.9 MB in the beginning and 166.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-20 13:04:18,729 INFO L168 Benchmark]: RCFGBuilder took 1402.44 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 166.6 MB in the beginning and 193.9 MB in the end (delta: -27.3 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. [2020-07-20 13:04:18,730 INFO L168 Benchmark]: TraceAbstraction took 21108.69 ms. Allocated memory was 236.5 MB in the beginning and 425.7 MB in the end (delta: 189.3 MB). Free memory was 193.9 MB in the beginning and 258.0 MB in the end (delta: -64.1 MB). Peak memory consumption was 297.7 MB. Max. memory is 7.1 GB. [2020-07-20 13:04:18,733 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 144.7 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 705.29 ms. Allocated memory was 144.7 MB in the beginning and 204.5 MB in the end (delta: 59.8 MB). Free memory was 101.3 MB in the beginning and 170.9 MB in the end (delta: -69.6 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.05 ms. Allocated memory is still 204.5 MB. Free memory was 170.9 MB in the beginning and 166.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1402.44 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 166.6 MB in the beginning and 193.9 MB in the end (delta: -27.3 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21108.69 ms. Allocated memory was 236.5 MB in the beginning and 425.7 MB in the end (delta: 189.3 MB). Free memory was 193.9 MB in the beginning and 258.0 MB in the end (delta: -64.1 MB). Peak memory consumption was 297.7 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: 63]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || (((1 <= waterLevel && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(0 == \old(pumpRunning))) || ((2 <= waterLevel && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 256 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.6s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2183 SDtfs, 1799 SDslu, 3752 SDs, 0 SdLazy, 4634 SolverSat, 1101 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1742 GetRequests, 1658 SyntacticMatches, 7 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1138occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 532 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 71 LocationsWithAnnotation, 1962 PreInvPairs, 2017 NumberOfFragments, 1197 HoareAnnotationTreeSize, 1962 FomulaSimplifications, 5009 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 71 FomulaSimplificationsInter, 8043 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.6s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1339 NumberOfCodeBlocks, 1046 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1700 ConstructedInterpolants, 0 QuantifiedInterpolants, 463357 SizeOfPredicates, 42 NumberOfNonLiveVariables, 8506 ConjunctsInSsa, 90 ConjunctsInUnsatCore, 13 InterpolantComputations, 9 PerfectInterpolantSequences, 456/519 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...