/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 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 12:54:26,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 12:54:26,861 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 12:54:26,880 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 12:54:26,880 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 12:54:26,882 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 12:54:26,884 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 12:54:26,894 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 12:54:26,898 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 12:54:26,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 12:54:26,903 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 12:54:26,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 12:54:26,904 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 12:54:26,906 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 12:54:26,908 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 12:54:26,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 12:54:26,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 12:54:26,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 12:54:26,913 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 12:54:26,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 12:54:26,923 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 12:54:26,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 12:54:26,927 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 12:54:26,928 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 12:54:26,930 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 12:54:26,930 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 12:54:26,930 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 12:54:26,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 12:54:26,932 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 12:54:26,932 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 12:54:26,933 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 12:54:26,936 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 12:54:26,937 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 12:54:26,938 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 12:54:26,939 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 12:54:26,940 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 12:54:26,940 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 12:54:26,941 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 12:54:26,941 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 12:54:26,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 12:54:26,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 12:54:26,944 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 12:54:26,971 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 12:54:26,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 12:54:26,973 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 12:54:26,974 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 12:54:26,974 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 12:54:26,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 12:54:26,975 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 12:54:26,975 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 12:54:26,975 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 12:54:26,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 12:54:26,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 12:54:26,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 12:54:26,977 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 12:54:26,977 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 12:54:26,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 12:54:26,977 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 12:54:26,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 12:54:26,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 12:54:26,978 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 12:54:26,979 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 12:54:26,979 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 12:54:26,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 12:54:26,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 12:54:26,983 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 12:54:26,983 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 12:54:26,983 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 12:54:26,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:26,984 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 12:54:26,984 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 12:54:26,984 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 -> 2 [2020-07-21 12:54:27,256 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 12:54:27,268 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 12:54:27,272 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 12:54:27,273 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 12:54:27,273 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 12:54:27,274 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c [2020-07-21 12:54:27,345 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9eedaffc/3d79e403b388443294e37fc883e224e5/FLAG2de26eff0 [2020-07-21 12:54:27,899 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 12:54:27,900 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c [2020-07-21 12:54:27,914 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9eedaffc/3d79e403b388443294e37fc883e224e5/FLAG2de26eff0 [2020-07-21 12:54:28,220 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9eedaffc/3d79e403b388443294e37fc883e224e5 [2020-07-21 12:54:28,230 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 12:54:28,233 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 12:54:28,234 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 12:54:28,235 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 12:54:28,238 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 12:54:28,239 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:54:28" (1/1) ... [2020-07-21 12:54:28,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7671b919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:28, skipping insertion in model container [2020-07-21 12:54:28,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:54:28" (1/1) ... [2020-07-21 12:54:28,250 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 12:54:28,295 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 12:54:28,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:54:28,739 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 12:54:28,860 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:54:28,894 INFO L208 MainTranslator]: Completed translation [2020-07-21 12:54:28,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:28 WrapperNode [2020-07-21 12:54:28,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 12:54:28,896 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 12:54:28,896 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 12:54:28,896 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 12:54:28,909 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:28" (1/1) ... [2020-07-21 12:54:28,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:28" (1/1) ... [2020-07-21 12:54:28,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:28" (1/1) ... [2020-07-21 12:54:28,928 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:28" (1/1) ... [2020-07-21 12:54:28,961 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:28" (1/1) ... [2020-07-21 12:54:28,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:28" (1/1) ... [2020-07-21 12:54:28,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:28" (1/1) ... [2020-07-21 12:54:28,986 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 12:54:28,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 12:54:28,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 12:54:28,994 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 12:54:28,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 12:54:29,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 12:54:29,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 12:54:29,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 12:54:29,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-21 12:54:29,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-21 12:54:29,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-21 12:54:29,058 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 12:54:29,058 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 12:54:29,058 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 12:54:29,058 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 12:54:29,059 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 12:54:29,060 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 12:54:29,060 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 12:54:29,060 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 12:54:29,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 12:54:29,061 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 12:54:29,061 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 12:54:29,061 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 12:54:29,061 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 12:54:29,062 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 12:54:29,062 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 12:54:29,062 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 12:54:29,062 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 12:54:29,062 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-21 12:54:29,062 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 12:54:29,063 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 12:54:29,063 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 12:54:29,064 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 12:54:29,064 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 12:54:29,064 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 12:54:29,064 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 12:54:29,064 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 12:54:29,065 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-21 12:54:29,065 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 12:54:29,065 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 12:54:29,065 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 12:54:29,065 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 12:54:29,065 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 12:54:29,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 12:54:29,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 12:54:29,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 12:54:29,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 12:54:29,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 12:54:29,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 12:54:29,066 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 12:54:29,067 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 12:54:29,068 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 12:54:29,068 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 12:54:29,068 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 12:54:29,068 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 12:54:29,069 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-21 12:54:29,069 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-21 12:54:29,069 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-21 12:54:29,069 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 12:54:29,069 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 12:54:29,069 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 12:54:29,070 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 12:54:29,070 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 12:54:29,070 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 12:54:29,070 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 12:54:29,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 12:54:29,071 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 12:54:29,071 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 12:54:29,071 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 12:54:29,071 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 12:54:29,071 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 12:54:29,071 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 12:54:29,071 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 12:54:29,072 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 12:54:29,072 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 12:54:29,072 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 12:54:29,072 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 12:54:29,073 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 12:54:29,073 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 12:54:29,073 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-21 12:54:29,074 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 12:54:29,074 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 12:54:29,075 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 12:54:29,075 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 12:54:29,075 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 12:54:29,075 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-21 12:54:29,075 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 12:54:29,076 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 12:54:29,076 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 12:54:29,076 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 12:54:29,076 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 12:54:29,076 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 12:54:29,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 12:54:29,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 12:54:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 12:54:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 12:54:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 12:54:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 12:54:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 12:54:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 12:54:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 12:54:29,078 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 12:54:29,078 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 12:54:29,078 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 12:54:29,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 12:54:29,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 12:54:29,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 12:54:30,205 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 12:54:30,206 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 12:54:30,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:54:30 BoogieIcfgContainer [2020-07-21 12:54:30,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 12:54:30,213 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 12:54:30,213 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 12:54:30,216 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 12:54:30,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:54:28" (1/3) ... [2020-07-21 12:54:30,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a42de47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:54:30, skipping insertion in model container [2020-07-21 12:54:30,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:28" (2/3) ... [2020-07-21 12:54:30,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a42de47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:54:30, skipping insertion in model container [2020-07-21 12:54:30,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:54:30" (3/3) ... [2020-07-21 12:54:30,220 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product54.cil.c [2020-07-21 12:54:30,230 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 12:54:30,238 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 12:54:30,253 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 12:54:30,279 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 12:54:30,279 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 12:54:30,280 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 12:54:30,280 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 12:54:30,280 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 12:54:30,280 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 12:54:30,281 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 12:54:30,281 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 12:54:30,304 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states. [2020-07-21 12:54:30,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-21 12:54:30,314 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:30,316 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 12:54:30,316 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:30,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:30,323 INFO L82 PathProgramCache]: Analyzing trace with hash -404445524, now seen corresponding path program 1 times [2020-07-21 12:54:30,331 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:30,332 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [262440143] [2020-07-21 12:54:30,333 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:54:30,704 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:30,704 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:30,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 12:54:30,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:30,757 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 12:54:30,758 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:30,759 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [262440143] [2020-07-21 12:54:30,760 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:30,760 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 12:54:30,762 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069765811] [2020-07-21 12:54:30,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 12:54:30,769 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:30,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 12:54:30,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 12:54:30,791 INFO L87 Difference]: Start difference. First operand 203 states. Second operand 2 states. [2020-07-21 12:54:30,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:30,844 INFO L93 Difference]: Finished difference Result 316 states and 389 transitions. [2020-07-21 12:54:30,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 12:54:30,846 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-21 12:54:30,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:30,873 INFO L225 Difference]: With dead ends: 316 [2020-07-21 12:54:30,873 INFO L226 Difference]: Without dead ends: 160 [2020-07-21 12:54:30,882 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 12:54:30,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-07-21 12:54:30,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2020-07-21 12:54:30,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-07-21 12:54:30,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 188 transitions. [2020-07-21 12:54:31,000 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 188 transitions. Word has length 59 [2020-07-21 12:54:31,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:31,001 INFO L479 AbstractCegarLoop]: Abstraction has 160 states and 188 transitions. [2020-07-21 12:54:31,001 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 12:54:31,001 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 188 transitions. [2020-07-21 12:54:31,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-21 12:54:31,009 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:31,009 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 12:54:31,214 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:31,215 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:31,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:31,216 INFO L82 PathProgramCache]: Analyzing trace with hash -315023676, now seen corresponding path program 1 times [2020-07-21 12:54:31,216 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:31,217 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1593515253] [2020-07-21 12:54:31,217 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:54:31,531 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:31,531 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:31,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 12:54:31,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:31,583 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 12:54:31,584 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:31,584 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1593515253] [2020-07-21 12:54:31,584 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:31,585 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:54:31,585 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188218312] [2020-07-21 12:54:31,586 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:54:31,587 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:31,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:54:31,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:31,588 INFO L87 Difference]: Start difference. First operand 160 states and 188 transitions. Second operand 3 states. [2020-07-21 12:54:31,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:31,634 INFO L93 Difference]: Finished difference Result 261 states and 307 transitions. [2020-07-21 12:54:31,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:54:31,635 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-21 12:54:31,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:31,639 INFO L225 Difference]: With dead ends: 261 [2020-07-21 12:54:31,639 INFO L226 Difference]: Without dead ends: 151 [2020-07-21 12:54:31,642 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:31,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-07-21 12:54:31,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2020-07-21 12:54:31,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-07-21 12:54:31,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 176 transitions. [2020-07-21 12:54:31,675 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 176 transitions. Word has length 60 [2020-07-21 12:54:31,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:31,676 INFO L479 AbstractCegarLoop]: Abstraction has 151 states and 176 transitions. [2020-07-21 12:54:31,676 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:54:31,676 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 176 transitions. [2020-07-21 12:54:31,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-21 12:54:31,685 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:31,685 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 12:54:31,894 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:31,895 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:31,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:31,895 INFO L82 PathProgramCache]: Analyzing trace with hash 649722396, now seen corresponding path program 1 times [2020-07-21 12:54:31,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:31,896 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1277600250] [2020-07-21 12:54:31,896 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:54:32,187 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:32,188 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:32,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 12:54:32,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:32,231 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:32,232 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:32,232 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1277600250] [2020-07-21 12:54:32,232 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:32,232 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:54:32,233 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444015885] [2020-07-21 12:54:32,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:54:32,234 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:32,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:54:32,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:32,236 INFO L87 Difference]: Start difference. First operand 151 states and 176 transitions. Second operand 3 states. [2020-07-21 12:54:32,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:32,258 INFO L93 Difference]: Finished difference Result 274 states and 325 transitions. [2020-07-21 12:54:32,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:54:32,262 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-21 12:54:32,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:32,264 INFO L225 Difference]: With dead ends: 274 [2020-07-21 12:54:32,264 INFO L226 Difference]: Without dead ends: 151 [2020-07-21 12:54:32,266 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:32,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-07-21 12:54:32,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2020-07-21 12:54:32,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-07-21 12:54:32,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 175 transitions. [2020-07-21 12:54:32,291 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 175 transitions. Word has length 65 [2020-07-21 12:54:32,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:32,294 INFO L479 AbstractCegarLoop]: Abstraction has 151 states and 175 transitions. [2020-07-21 12:54:32,294 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:54:32,295 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 175 transitions. [2020-07-21 12:54:32,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-21 12:54:32,296 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:32,297 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 12:54:32,497 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:32,498 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:32,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:32,499 INFO L82 PathProgramCache]: Analyzing trace with hash 2071838844, now seen corresponding path program 1 times [2020-07-21 12:54:32,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:32,500 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [555106558] [2020-07-21 12:54:32,500 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:54:32,872 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:32,872 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:32,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 12:54:32,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:32,926 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:32,926 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:32,926 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [555106558] [2020-07-21 12:54:32,927 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:32,927 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:54:32,927 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647651330] [2020-07-21 12:54:32,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:54:32,928 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:32,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:54:32,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:54:32,929 INFO L87 Difference]: Start difference. First operand 151 states and 175 transitions. Second operand 6 states. [2020-07-21 12:54:33,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:33,727 INFO L93 Difference]: Finished difference Result 369 states and 447 transitions. [2020-07-21 12:54:33,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 12:54:33,729 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2020-07-21 12:54:33,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:33,732 INFO L225 Difference]: With dead ends: 369 [2020-07-21 12:54:33,732 INFO L226 Difference]: Without dead ends: 246 [2020-07-21 12:54:33,733 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-21 12:54:33,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-07-21 12:54:33,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 230. [2020-07-21 12:54:33,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-07-21 12:54:33,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 259 transitions. [2020-07-21 12:54:33,753 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 259 transitions. Word has length 83 [2020-07-21 12:54:33,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:33,753 INFO L479 AbstractCegarLoop]: Abstraction has 230 states and 259 transitions. [2020-07-21 12:54:33,753 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:54:33,754 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 259 transitions. [2020-07-21 12:54:33,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-21 12:54:33,755 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:33,755 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 12:54:33,970 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:33,971 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:33,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:33,971 INFO L82 PathProgramCache]: Analyzing trace with hash 477615551, now seen corresponding path program 1 times [2020-07-21 12:54:33,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:33,972 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [467599373] [2020-07-21 12:54:33,973 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:54:34,360 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:34,360 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:34,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 12:54:34,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:34,418 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:34,418 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:34,418 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [467599373] [2020-07-21 12:54:34,419 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:34,419 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:54:34,419 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928755466] [2020-07-21 12:54:34,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:54:34,420 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:34,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:54:34,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:54:34,421 INFO L87 Difference]: Start difference. First operand 230 states and 259 transitions. Second operand 6 states. [2020-07-21 12:54:34,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:34,640 INFO L93 Difference]: Finished difference Result 435 states and 498 transitions. [2020-07-21 12:54:34,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 12:54:34,640 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 97 [2020-07-21 12:54:34,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:34,643 INFO L225 Difference]: With dead ends: 435 [2020-07-21 12:54:34,644 INFO L226 Difference]: Without dead ends: 233 [2020-07-21 12:54:34,645 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 12:54:34,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2020-07-21 12:54:34,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 229. [2020-07-21 12:54:34,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2020-07-21 12:54:34,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 256 transitions. [2020-07-21 12:54:34,663 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 256 transitions. Word has length 97 [2020-07-21 12:54:34,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:34,664 INFO L479 AbstractCegarLoop]: Abstraction has 229 states and 256 transitions. [2020-07-21 12:54:34,664 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:54:34,664 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 256 transitions. [2020-07-21 12:54:34,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-21 12:54:34,665 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:34,665 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 12:54:34,880 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:34,881 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:34,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:34,882 INFO L82 PathProgramCache]: Analyzing trace with hash 115684108, now seen corresponding path program 1 times [2020-07-21 12:54:34,882 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:34,883 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1789118578] [2020-07-21 12:54:34,883 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:54:35,170 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:35,170 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:35,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 789 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 12:54:35,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:35,214 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:35,214 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:35,215 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1789118578] [2020-07-21 12:54:35,215 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:35,215 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:54:35,215 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190178118] [2020-07-21 12:54:35,216 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:54:35,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:35,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:54:35,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:54:35,217 INFO L87 Difference]: Start difference. First operand 229 states and 256 transitions. Second operand 6 states. [2020-07-21 12:54:35,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:35,255 INFO L93 Difference]: Finished difference Result 435 states and 494 transitions. [2020-07-21 12:54:35,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 12:54:35,256 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2020-07-21 12:54:35,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:35,258 INFO L225 Difference]: With dead ends: 435 [2020-07-21 12:54:35,258 INFO L226 Difference]: Without dead ends: 234 [2020-07-21 12:54:35,259 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 12:54:35,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2020-07-21 12:54:35,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2020-07-21 12:54:35,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-07-21 12:54:35,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 261 transitions. [2020-07-21 12:54:35,273 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 261 transitions. Word has length 98 [2020-07-21 12:54:35,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:35,274 INFO L479 AbstractCegarLoop]: Abstraction has 234 states and 261 transitions. [2020-07-21 12:54:35,274 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:54:35,274 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 261 transitions. [2020-07-21 12:54:35,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-21 12:54:35,275 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:35,276 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 12:54:35,489 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:35,489 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:35,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:35,490 INFO L82 PathProgramCache]: Analyzing trace with hash 43297550, now seen corresponding path program 1 times [2020-07-21 12:54:35,490 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:35,491 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2015880961] [2020-07-21 12:54:35,491 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:54:35,720 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:35,720 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:35,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 12:54:35,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:35,761 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:35,762 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:35,762 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2015880961] [2020-07-21 12:54:35,762 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:35,762 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 12:54:35,763 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210800382] [2020-07-21 12:54:35,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 12:54:35,766 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:35,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 12:54:35,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 12:54:35,767 INFO L87 Difference]: Start difference. First operand 234 states and 261 transitions. Second operand 5 states. [2020-07-21 12:54:35,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:35,795 INFO L93 Difference]: Finished difference Result 447 states and 511 transitions. [2020-07-21 12:54:35,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 12:54:35,796 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 98 [2020-07-21 12:54:35,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:35,798 INFO L225 Difference]: With dead ends: 447 [2020-07-21 12:54:35,798 INFO L226 Difference]: Without dead ends: 241 [2020-07-21 12:54:35,799 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 12:54:35,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2020-07-21 12:54:35,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 238. [2020-07-21 12:54:35,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2020-07-21 12:54:35,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 265 transitions. [2020-07-21 12:54:35,813 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 265 transitions. Word has length 98 [2020-07-21 12:54:35,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:35,813 INFO L479 AbstractCegarLoop]: Abstraction has 238 states and 265 transitions. [2020-07-21 12:54:35,813 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 12:54:35,813 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 265 transitions. [2020-07-21 12:54:35,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-21 12:54:35,814 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:35,815 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 12:54:36,030 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:36,030 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:36,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:36,030 INFO L82 PathProgramCache]: Analyzing trace with hash 373063311, now seen corresponding path program 1 times [2020-07-21 12:54:36,031 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:36,031 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [877775887] [2020-07-21 12:54:36,031 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:54:36,304 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:36,305 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:36,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 12:54:36,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:36,341 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:36,343 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:36,344 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [877775887] [2020-07-21 12:54:36,344 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:36,344 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:54:36,344 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011047083] [2020-07-21 12:54:36,345 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:54:36,345 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:36,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:54:36,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:36,346 INFO L87 Difference]: Start difference. First operand 238 states and 265 transitions. Second operand 3 states. [2020-07-21 12:54:36,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:36,393 INFO L93 Difference]: Finished difference Result 628 states and 730 transitions. [2020-07-21 12:54:36,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:54:36,393 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-07-21 12:54:36,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:36,396 INFO L225 Difference]: With dead ends: 628 [2020-07-21 12:54:36,396 INFO L226 Difference]: Without dead ends: 418 [2020-07-21 12:54:36,397 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:36,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2020-07-21 12:54:36,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 415. [2020-07-21 12:54:36,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2020-07-21 12:54:36,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 475 transitions. [2020-07-21 12:54:36,422 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 475 transitions. Word has length 98 [2020-07-21 12:54:36,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:36,423 INFO L479 AbstractCegarLoop]: Abstraction has 415 states and 475 transitions. [2020-07-21 12:54:36,423 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:54:36,423 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 475 transitions. [2020-07-21 12:54:36,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-07-21 12:54:36,425 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:36,425 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 12:54:36,632 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:36,633 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:36,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:36,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1661296137, now seen corresponding path program 1 times [2020-07-21 12:54:36,634 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:36,635 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1743262582] [2020-07-21 12:54:36,635 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:54:36,867 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:36,868 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:36,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 799 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-21 12:54:36,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:36,976 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:36,977 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:36,977 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1743262582] [2020-07-21 12:54:36,977 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:36,978 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-21 12:54:36,978 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599316726] [2020-07-21 12:54:36,978 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 12:54:36,979 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:36,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 12:54:36,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-21 12:54:36,979 INFO L87 Difference]: Start difference. First operand 415 states and 475 transitions. Second operand 10 states. [2020-07-21 12:54:38,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:38,629 INFO L93 Difference]: Finished difference Result 1116 states and 1441 transitions. [2020-07-21 12:54:38,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-21 12:54:38,630 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 102 [2020-07-21 12:54:38,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:38,646 INFO L225 Difference]: With dead ends: 1116 [2020-07-21 12:54:38,646 INFO L226 Difference]: Without dead ends: 729 [2020-07-21 12:54:38,649 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2020-07-21 12:54:38,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2020-07-21 12:54:38,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 552. [2020-07-21 12:54:38,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 552 states. [2020-07-21 12:54:38,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 643 transitions. [2020-07-21 12:54:38,725 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 643 transitions. Word has length 102 [2020-07-21 12:54:38,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:38,726 INFO L479 AbstractCegarLoop]: Abstraction has 552 states and 643 transitions. [2020-07-21 12:54:38,726 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 12:54:38,726 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 643 transitions. [2020-07-21 12:54:38,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-07-21 12:54:38,737 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:38,737 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:38,950 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:38,951 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:38,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:38,952 INFO L82 PathProgramCache]: Analyzing trace with hash -577396182, now seen corresponding path program 1 times [2020-07-21 12:54:38,952 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:38,952 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1995657979] [2020-07-21 12:54:38,952 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:54:39,300 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:39,300 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:39,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 989 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 12:54:39,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:39,402 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 30 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:39,402 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 12:54:39,844 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-21 12:54:39,844 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1995657979] [2020-07-21 12:54:39,845 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 12:54:39,845 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-21 12:54:39,845 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721614081] [2020-07-21 12:54:39,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 12:54:39,846 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:39,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 12:54:39,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-21 12:54:39,846 INFO L87 Difference]: Start difference. First operand 552 states and 643 transitions. Second operand 10 states. [2020-07-21 12:54:40,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:40,765 INFO L93 Difference]: Finished difference Result 660 states and 782 transitions. [2020-07-21 12:54:40,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-21 12:54:40,766 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 180 [2020-07-21 12:54:40,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:40,767 INFO L225 Difference]: With dead ends: 660 [2020-07-21 12:54:40,767 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 12:54:40,769 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 347 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-21 12:54:40,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 12:54:40,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 12:54:40,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 12:54:40,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 12:54:40,770 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 180 [2020-07-21 12:54:40,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:40,770 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 12:54:40,771 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 12:54:40,771 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 12:54:40,771 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 12:54:40,980 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:40,984 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 12:54:42,042 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 27 [2020-07-21 12:54:42,199 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 26 [2020-07-21 12:54:42,605 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28 [2020-07-21 12:54:42,807 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 25 [2020-07-21 12:54:43,236 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 43 [2020-07-21 12:54:43,545 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 40 [2020-07-21 12:54:43,743 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28 [2020-07-21 12:54:43,975 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 31 [2020-07-21 12:54:44,112 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 25 [2020-07-21 12:54:44,618 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 29 [2020-07-21 12:54:44,890 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 36 [2020-07-21 12:54:45,029 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 29 [2020-07-21 12:54:45,371 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 39 [2020-07-21 12:54:45,933 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28 [2020-07-21 12:54:46,022 INFO L268 CegarLoopResult]: For program point L736(lines 736 740) no Hoare annotation was computed. [2020-07-21 12:54:46,023 INFO L268 CegarLoopResult]: For program point L736-1(lines 736 740) no Hoare annotation was computed. [2020-07-21 12:54:46,023 INFO L268 CegarLoopResult]: For program point L731(line 731) no Hoare annotation was computed. [2020-07-21 12:54:46,023 INFO L268 CegarLoopResult]: For program point L730-2(lines 730 751) no Hoare annotation was computed. [2020-07-21 12:54:46,023 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 705 760) no Hoare annotation was computed. [2020-07-21 12:54:46,023 INFO L268 CegarLoopResult]: For program point L752(lines 729 753) no Hoare annotation was computed. [2020-07-21 12:54:46,024 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 705 760) no Hoare annotation was computed. [2020-07-21 12:54:46,024 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 705 760) no Hoare annotation was computed. [2020-07-21 12:54:46,024 INFO L268 CegarLoopResult]: For program point L793(lines 793 797) no Hoare annotation was computed. [2020-07-21 12:54:46,024 INFO L268 CegarLoopResult]: For program point L793-1(lines 793 797) no Hoare annotation was computed. [2020-07-21 12:54:46,024 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 761 820) no Hoare annotation was computed. [2020-07-21 12:54:46,024 INFO L268 CegarLoopResult]: For program point L788(line 788) no Hoare annotation was computed. [2020-07-21 12:54:46,024 INFO L268 CegarLoopResult]: For program point L787-2(lines 787 812) no Hoare annotation was computed. [2020-07-21 12:54:46,024 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 761 820) no Hoare annotation was computed. [2020-07-21 12:54:46,025 INFO L268 CegarLoopResult]: For program point L813(lines 786 814) no Hoare annotation was computed. [2020-07-21 12:54:46,025 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 761 820) no Hoare annotation was computed. [2020-07-21 12:54:46,025 INFO L268 CegarLoopResult]: For program point L806(line 806) no Hoare annotation was computed. [2020-07-21 12:54:46,025 INFO L268 CegarLoopResult]: For program point L806-1(line 806) no Hoare annotation was computed. [2020-07-21 12:54:46,025 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 636 642) the Hoare annotation is: true [2020-07-21 12:54:46,025 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 636 642) no Hoare annotation was computed. [2020-07-21 12:54:46,025 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 643 651) no Hoare annotation was computed. [2020-07-21 12:54:46,026 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 643 651) the Hoare annotation is: true [2020-07-21 12:54:46,026 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 643 651) no Hoare annotation was computed. [2020-07-21 12:54:46,026 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: true [2020-07-21 12:54:46,026 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2020-07-21 12:54:46,026 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2020-07-21 12:54:46,026 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 (<= 1 ~switchedOnBeforeTS~0) (not (= 0 ~pumpRunning~0))))) [2020-07-21 12:54:46,026 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2020-07-21 12:54:46,027 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-07-21 12:54:46,027 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2020-07-21 12:54:46,027 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2020-07-21 12:54:46,027 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-21 12:54:46,027 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2020-07-21 12:54:46,027 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-07-21 12:54:46,027 INFO L268 CegarLoopResult]: For program point L74(lines 74 84) no Hoare annotation was computed. [2020-07-21 12:54:46,028 INFO L264 CegarLoopResult]: At program point L72(line 72) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 .cse2 (not (<= 1 ~pumpRunning~0))))) [2020-07-21 12:54:46,028 INFO L268 CegarLoopResult]: For program point L72-1(line 72) no Hoare annotation was computed. [2020-07-21 12:54:46,028 INFO L268 CegarLoopResult]: For program point L70(lines 70 87) no Hoare annotation was computed. [2020-07-21 12:54:46,028 INFO L268 CegarLoopResult]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2020-07-21 12:54:46,028 INFO L271 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: true [2020-07-21 12:54:46,028 INFO L268 CegarLoopResult]: For program point L68-1(line 68) no Hoare annotation was computed. [2020-07-21 12:54:46,028 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 290 312) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:54:46,028 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 290 312) no Hoare annotation was computed. [2020-07-21 12:54:46,028 INFO L264 CegarLoopResult]: At program point L302(line 302) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:54:46,028 INFO L264 CegarLoopResult]: At program point L302-1(line 302) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:54:46,029 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 290 312) no Hoare annotation was computed. [2020-07-21 12:54:46,029 INFO L268 CegarLoopResult]: For program point L300(lines 300 307) no Hoare annotation was computed. [2020-07-21 12:54:46,029 INFO L268 CegarLoopResult]: For program point L300-1(lines 300 307) no Hoare annotation was computed. [2020-07-21 12:54:46,029 INFO L268 CegarLoopResult]: For program point L298(line 298) no Hoare annotation was computed. [2020-07-21 12:54:46,029 INFO L264 CegarLoopResult]: At program point L297(line 297) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:54:46,029 INFO L264 CegarLoopResult]: At program point L296(line 296) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:54:46,029 INFO L264 CegarLoopResult]: At program point L296-1(line 296) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:54:46,029 INFO L268 CegarLoopResult]: For program point L257(line 257) no Hoare annotation was computed. [2020-07-21 12:54:46,029 INFO L268 CegarLoopResult]: For program point L256(line 256) no Hoare annotation was computed. [2020-07-21 12:54:46,029 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 244 267) no Hoare annotation was computed. [2020-07-21 12:54:46,030 INFO L268 CegarLoopResult]: For program point L255(line 255) no Hoare annotation was computed. [2020-07-21 12:54:46,030 INFO L268 CegarLoopResult]: For program point L254(line 254) no Hoare annotation was computed. [2020-07-21 12:54:46,030 INFO L268 CegarLoopResult]: For program point L253(line 253) no Hoare annotation was computed. [2020-07-21 12:54:46,030 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 244 267) no Hoare annotation was computed. [2020-07-21 12:54:46,030 INFO L268 CegarLoopResult]: For program point L252(line 252) no Hoare annotation was computed. [2020-07-21 12:54:46,030 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 244 267) no Hoare annotation was computed. [2020-07-21 12:54:46,030 INFO L268 CegarLoopResult]: For program point L251(line 251) no Hoare annotation was computed. [2020-07-21 12:54:46,030 INFO L268 CegarLoopResult]: For program point L250(line 250) no Hoare annotation was computed. [2020-07-21 12:54:46,030 INFO L268 CegarLoopResult]: For program point L249(line 249) no Hoare annotation was computed. [2020-07-21 12:54:46,031 INFO L268 CegarLoopResult]: For program point L262(line 262) no Hoare annotation was computed. [2020-07-21 12:54:46,031 INFO L268 CegarLoopResult]: For program point L261(line 261) no Hoare annotation was computed. [2020-07-21 12:54:46,031 INFO L268 CegarLoopResult]: For program point L260(line 260) no Hoare annotation was computed. [2020-07-21 12:54:46,031 INFO L268 CegarLoopResult]: For program point L259(line 259) no Hoare annotation was computed. [2020-07-21 12:54:46,031 INFO L268 CegarLoopResult]: For program point L258(line 258) no Hoare annotation was computed. [2020-07-21 12:54:46,031 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 459 467) no Hoare annotation was computed. [2020-07-21 12:54:46,031 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 459 467) the Hoare annotation is: true [2020-07-21 12:54:46,032 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 459 467) no Hoare annotation was computed. [2020-07-21 12:54:46,032 INFO L268 CegarLoopResult]: For program point L530-1(line 530) no Hoare annotation was computed. [2020-07-21 12:54:46,032 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 523 541) the Hoare annotation is: true [2020-07-21 12:54:46,032 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 523 541) no Hoare annotation was computed. [2020-07-21 12:54:46,032 INFO L268 CegarLoopResult]: For program point L532(lines 532 536) no Hoare annotation was computed. [2020-07-21 12:54:46,032 INFO L271 CegarLoopResult]: At program point L530(line 530) the Hoare annotation is: true [2020-07-21 12:54:46,032 INFO L268 CegarLoopResult]: For program point L532-2(lines 532 536) no Hoare annotation was computed. [2020-07-21 12:54:46,032 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 523 541) no Hoare annotation was computed. [2020-07-21 12:54:46,033 INFO L268 CegarLoopResult]: For program point L475(lines 475 483) no Hoare annotation was computed. [2020-07-21 12:54:46,033 INFO L268 CegarLoopResult]: For program point L475-2(lines 475 483) no Hoare annotation was computed. [2020-07-21 12:54:46,033 INFO L268 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-07-21 12:54:46,033 INFO L268 CegarLoopResult]: For program point L498-1(line 498) no Hoare annotation was computed. [2020-07-21 12:54:46,033 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 468 503) no Hoare annotation was computed. [2020-07-21 12:54:46,033 INFO L268 CegarLoopResult]: For program point L487(lines 487 495) no Hoare annotation was computed. [2020-07-21 12:54:46,033 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 468 503) no Hoare annotation was computed. [2020-07-21 12:54:46,033 INFO L268 CegarLoopResult]: For program point L487-2(lines 487 495) no Hoare annotation was computed. [2020-07-21 12:54:46,034 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 468 503) no Hoare annotation was computed. [2020-07-21 12:54:46,034 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 629 635) no Hoare annotation was computed. [2020-07-21 12:54:46,034 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 629 635) the Hoare annotation is: true [2020-07-21 12:54:46,034 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 659 704) no Hoare annotation was computed. [2020-07-21 12:54:46,034 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 659 704) no Hoare annotation was computed. [2020-07-21 12:54:46,034 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 659 704) no Hoare annotation was computed. [2020-07-21 12:54:46,034 INFO L268 CegarLoopResult]: For program point L992(lines 992 999) no Hoare annotation was computed. [2020-07-21 12:54:46,034 INFO L268 CegarLoopResult]: For program point L986(lines 986 1006) no Hoare annotation was computed. [2020-07-21 12:54:46,034 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 972 1017) no Hoare annotation was computed. [2020-07-21 12:54:46,035 INFO L268 CegarLoopResult]: For program point L986-1(lines 986 1006) no Hoare annotation was computed. [2020-07-21 12:54:46,035 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 972 1017) no Hoare annotation was computed. [2020-07-21 12:54:46,035 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 972 1017) no Hoare annotation was computed. [2020-07-21 12:54:46,035 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 276 286) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:54:46,035 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 276 286) no Hoare annotation was computed. [2020-07-21 12:54:46,035 INFO L264 CegarLoopResult]: At program point L281(line 281) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:54:46,036 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 276 286) no Hoare annotation was computed. [2020-07-21 12:54:46,036 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 448 458) the Hoare annotation is: true [2020-07-21 12:54:46,036 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 448 458) no Hoare annotation was computed. [2020-07-21 12:54:46,036 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 448 458) no Hoare annotation was computed. [2020-07-21 12:54:46,036 INFO L271 CegarLoopResult]: At program point L453(line 453) the Hoare annotation is: true [2020-07-21 12:54:46,036 INFO L268 CegarLoopResult]: For program point L453-1(line 453) no Hoare annotation was computed. [2020-07-21 12:54:46,036 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 440 447) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) [2020-07-21 12:54:46,036 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 440 447) no Hoare annotation was computed. [2020-07-21 12:54:46,036 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 440 447) no Hoare annotation was computed. [2020-07-21 12:54:46,037 INFO L268 CegarLoopResult]: For program point L182(lines 182 188) no Hoare annotation was computed. [2020-07-21 12:54:46,037 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 178 191) no Hoare annotation was computed. [2020-07-21 12:54:46,037 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 178 191) the Hoare annotation is: true [2020-07-21 12:54:46,037 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 178 191) no Hoare annotation was computed. [2020-07-21 12:54:46,037 INFO L264 CegarLoopResult]: At program point L417(line 417) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 12:54:46,037 INFO L268 CegarLoopResult]: For program point L415(lines 415 423) no Hoare annotation was computed. [2020-07-21 12:54:46,037 INFO L264 CegarLoopResult]: At program point L413(line 413) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 12:54:46,038 INFO L268 CegarLoopResult]: For program point L413-1(line 413) no Hoare annotation was computed. [2020-07-21 12:54:46,038 INFO L268 CegarLoopResult]: For program point L411(lines 411 428) no Hoare annotation was computed. [2020-07-21 12:54:46,038 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 407 431) no Hoare annotation was computed. [2020-07-21 12:54:46,038 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 407 431) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 12:54:46,038 INFO L264 CegarLoopResult]: At program point L426(line 426) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 12:54:46,038 INFO L268 CegarLoopResult]: For program point L426-1(lines 407 431) no Hoare annotation was computed. [2020-07-21 12:54:46,038 INFO L264 CegarLoopResult]: At program point L421(line 421) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 12:54:46,039 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 347 353) no Hoare annotation was computed. [2020-07-21 12:54:46,039 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 347 353) the Hoare annotation is: true [2020-07-21 12:54:46,039 INFO L264 CegarLoopResult]: At program point L609(lines 560 610) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:54:46,039 INFO L264 CegarLoopResult]: At program point testENTRY(lines 551 616) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:54:46,039 INFO L268 CegarLoopResult]: For program point L599(lines 599 603) no Hoare annotation was computed. [2020-07-21 12:54:46,039 INFO L268 CegarLoopResult]: For program point testFINAL(lines 551 616) no Hoare annotation was computed. [2020-07-21 12:54:46,040 INFO L264 CegarLoopResult]: At program point L599-2(lines 591 604) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-21 12:54:46,040 INFO L268 CegarLoopResult]: For program point L562(lines 561 608) no Hoare annotation was computed. [2020-07-21 12:54:46,040 INFO L264 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-21 12:54:46,040 INFO L268 CegarLoopResult]: For program point L591(lines 591 604) no Hoare annotation was computed. [2020-07-21 12:54:46,040 INFO L264 CegarLoopResult]: At program point L583(line 583) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-21 12:54:46,040 INFO L268 CegarLoopResult]: For program point L581(lines 581 587) no Hoare annotation was computed. [2020-07-21 12:54:46,040 INFO L268 CegarLoopResult]: For program point L581-1(lines 581 587) no Hoare annotation was computed. [2020-07-21 12:54:46,041 INFO L264 CegarLoopResult]: At program point L606(lines 561 608) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= 0 ~pumpRunning~0) .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 12:54:46,041 INFO L264 CegarLoopResult]: At program point L573(line 573) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= 0 ~pumpRunning~0) .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 12:54:46,041 INFO L268 CegarLoopResult]: For program point L571(lines 571 577) no Hoare annotation was computed. [2020-07-21 12:54:46,041 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 577) no Hoare annotation was computed. [2020-07-21 12:54:46,041 INFO L268 CegarLoopResult]: For program point L563(lines 563 567) no Hoare annotation was computed. [2020-07-21 12:54:46,041 INFO L268 CegarLoopResult]: For program point testEXIT(lines 551 616) no Hoare annotation was computed. [2020-07-21 12:54:46,041 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 926 971) no Hoare annotation was computed. [2020-07-21 12:54:46,041 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 926 971) no Hoare annotation was computed. [2020-07-21 12:54:46,042 INFO L268 CegarLoopResult]: For program point L946(lines 946 953) no Hoare annotation was computed. [2020-07-21 12:54:46,042 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 926 971) no Hoare annotation was computed. [2020-07-21 12:54:46,042 INFO L268 CegarLoopResult]: For program point L940(lines 940 960) no Hoare annotation was computed. [2020-07-21 12:54:46,042 INFO L268 CegarLoopResult]: For program point L940-1(lines 940 960) no Hoare annotation was computed. [2020-07-21 12:54:46,042 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 192 200) no Hoare annotation was computed. [2020-07-21 12:54:46,042 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 192 200) the Hoare annotation is: true [2020-07-21 12:54:46,042 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 192 200) no Hoare annotation was computed. [2020-07-21 12:54:46,042 INFO L268 CegarLoopResult]: For program point L154(lines 154 162) no Hoare annotation was computed. [2020-07-21 12:54:46,043 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 146 168) no Hoare annotation was computed. [2020-07-21 12:54:46,043 INFO L268 CegarLoopResult]: For program point L154-2(lines 154 162) no Hoare annotation was computed. [2020-07-21 12:54:46,043 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 146 168) no Hoare annotation was computed. [2020-07-21 12:54:46,043 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 146 168) no Hoare annotation was computed. [2020-07-21 12:54:46,043 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 619 628) no Hoare annotation was computed. [2020-07-21 12:54:46,043 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 619 628) no Hoare annotation was computed. [2020-07-21 12:54:46,043 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 619 628) no Hoare annotation was computed. [2020-07-21 12:54:46,043 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 823 925) no Hoare annotation was computed. [2020-07-21 12:54:46,043 INFO L268 CegarLoopResult]: For program point L888(line 888) no Hoare annotation was computed. [2020-07-21 12:54:46,044 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-07-21 12:54:46,044 INFO L268 CegarLoopResult]: For program point L847(lines 847 851) no Hoare annotation was computed. [2020-07-21 12:54:46,044 INFO L268 CegarLoopResult]: For program point L911(lines 911 922) no Hoare annotation was computed. [2020-07-21 12:54:46,044 INFO L268 CegarLoopResult]: For program point L874(lines 874 878) no Hoare annotation was computed. [2020-07-21 12:54:46,044 INFO L268 CegarLoopResult]: For program point L872-2(lines 872 892) no Hoare annotation was computed. [2020-07-21 12:54:46,044 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 823 925) no Hoare annotation was computed. [2020-07-21 12:54:46,044 INFO L268 CegarLoopResult]: For program point L893(lines 871 894) no Hoare annotation was computed. [2020-07-21 12:54:46,044 INFO L268 CegarLoopResult]: For program point L852(lines 852 868) no Hoare annotation was computed. [2020-07-21 12:54:46,045 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 823 925) no Hoare annotation was computed. [2020-07-21 12:54:46,045 INFO L268 CegarLoopResult]: For program point L912(lines 912 919) no Hoare annotation was computed. [2020-07-21 12:54:46,045 INFO L268 CegarLoopResult]: For program point L873(lines 872 892) no Hoare annotation was computed. [2020-07-21 12:54:46,045 INFO L268 CegarLoopResult]: For program point L904(line 904) no Hoare annotation was computed. [2020-07-21 12:54:46,045 INFO L268 CegarLoopResult]: For program point L904-1(line 904) no Hoare annotation was computed. [2020-07-21 12:54:46,045 INFO L268 CegarLoopResult]: For program point L869(lines 869 910) no Hoare annotation was computed. [2020-07-21 12:54:46,045 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:54:46,045 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)|)) [2020-07-21 12:54:46,046 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:54:46,046 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 432 439) no Hoare annotation was computed. [2020-07-21 12:54:46,046 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 432 439) no Hoare annotation was computed. [2020-07-21 12:54:46,046 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 432 439) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 12:54:46,046 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 169 177) the Hoare annotation is: true [2020-07-21 12:54:46,046 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 169 177) no Hoare annotation was computed. [2020-07-21 12:54:46,046 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 169 177) no Hoare annotation was computed. [2020-07-21 12:54:46,046 INFO L268 CegarLoopResult]: For program point L513(lines 513 517) no Hoare annotation was computed. [2020-07-21 12:54:46,047 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 504 522) no Hoare annotation was computed. [2020-07-21 12:54:46,047 INFO L271 CegarLoopResult]: At program point L511(line 511) the Hoare annotation is: true [2020-07-21 12:54:46,047 INFO L268 CegarLoopResult]: For program point L513-2(lines 513 517) no Hoare annotation was computed. [2020-07-21 12:54:46,047 INFO L268 CegarLoopResult]: For program point L511-1(line 511) no Hoare annotation was computed. [2020-07-21 12:54:46,047 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 504 522) the Hoare annotation is: true [2020-07-21 12:54:46,047 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 504 522) no Hoare annotation was computed. [2020-07-21 12:54:46,047 INFO L268 CegarLoopResult]: For program point L129-1(lines 125 136) no Hoare annotation was computed. [2020-07-21 12:54:46,047 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 125 136) the Hoare annotation is: true [2020-07-21 12:54:46,048 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 125 136) no Hoare annotation was computed. [2020-07-21 12:54:46,048 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:54:46,048 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 12:54:46,048 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:54:46,048 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 137 145) the Hoare annotation is: true [2020-07-21 12:54:46,048 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 137 145) no Hoare annotation was computed. [2020-07-21 12:54:46,048 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 137 145) no Hoare annotation was computed. [2020-07-21 12:54:46,049 INFO L264 CegarLoopResult]: At program point L336(line 336) the Hoare annotation is: (let ((.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2 .cse3) (or .cse1 (<= 2 ~waterLevel~0) .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse7 .cse4) (or .cse1 .cse2 .cse3 .cse5 .cse6) (or .cse1 .cse4 (and (<= ~waterLevel~0 2) (= 0 ~pumpRunning~0)) .cse5)))) [2020-07-21 12:54:46,049 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 320 346) the Hoare annotation is: (let ((.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 (and .cse5 (= 0 ~pumpRunning~0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse5 .cse6) .cse0 .cse7 .cse3) (or .cse0 (and .cse1 .cse6 (<= ~waterLevel~0 2)) .cse7 .cse3 .cse4) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)))) [2020-07-21 12:54:46,049 INFO L264 CegarLoopResult]: At program point L334(lines 334 340) the Hoare annotation is: (let ((.cse7 (= 0 ~pumpRunning~0)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (<= ~waterLevel~0 1))) (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse10)) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (and .cse6 .cse7 (<= 1 ~switchedOnBeforeTS~0) .cse10)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse9 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse5 (and .cse6 .cse7)) (let ((.cse8 (<= 2 ~waterLevel~0))) (or .cse0 (and .cse8 .cse6 .cse7) .cse5 .cse4 .cse9 (and .cse8 (<= ~waterLevel~0 2) (<= 1 ~pumpRunning~0)))) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse9)))) [2020-07-21 12:54:46,049 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 320 346) no Hoare annotation was computed. [2020-07-21 12:54:46,049 INFO L264 CegarLoopResult]: At program point L329(line 329) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse4) (or .cse0 .cse4 .cse1 (and .cse2 (<= 2 ~waterLevel~0) .cse3 (<= ~waterLevel~0 2)) (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-21 12:54:46,050 INFO L268 CegarLoopResult]: For program point L327(lines 323 345) no Hoare annotation was computed. [2020-07-21 12:54:46,050 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 320 346) no Hoare annotation was computed. [2020-07-21 12:54:46,050 INFO L268 CegarLoopResult]: For program point L325(lines 323 345) no Hoare annotation was computed. [2020-07-21 12:54:46,050 INFO L268 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed. [2020-07-21 12:54:46,050 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 213 242) no Hoare annotation was computed. [2020-07-21 12:54:46,050 INFO L271 CegarLoopResult]: At program point L223-2(lines 223 237) the Hoare annotation is: true [2020-07-21 12:54:46,050 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 213 242) the Hoare annotation is: true [2020-07-21 12:54:46,050 INFO L271 CegarLoopResult]: At program point L219(line 219) the Hoare annotation is: true [2020-07-21 12:54:46,050 INFO L268 CegarLoopResult]: For program point L219-1(line 219) no Hoare annotation was computed. [2020-07-21 12:54:46,051 INFO L271 CegarLoopResult]: At program point L238(lines 213 242) the Hoare annotation is: true [2020-07-21 12:54:46,051 INFO L268 CegarLoopResult]: For program point L234(line 234) no Hoare annotation was computed. [2020-07-21 12:54:46,051 INFO L268 CegarLoopResult]: For program point L227(lines 227 231) no Hoare annotation was computed. [2020-07-21 12:54:46,051 INFO L271 CegarLoopResult]: At program point L227-1(lines 227 231) the Hoare annotation is: true [2020-07-21 12:54:46,051 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 101 112) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2) (or .cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) (not (<= |old(~waterLevel~0)| 2)) .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-21 12:54:46,051 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 101 112) no Hoare annotation was computed. [2020-07-21 12:54:46,051 INFO L268 CegarLoopResult]: For program point L105-1(lines 101 112) no Hoare annotation was computed. [2020-07-21 12:54:46,052 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 268 274) no Hoare annotation was computed. [2020-07-21 12:54:46,052 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 268 274) the Hoare annotation is: true [2020-07-21 12:54:46,052 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:54:46,052 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-21 12:54:46,052 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 12:54:46,052 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:54:46,052 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 542 549) no Hoare annotation was computed. [2020-07-21 12:54:46,052 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 542 549) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 |old(~systemActive~0)|))) (.cse2 (<= 1 ~systemActive~0))) (and (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1 .cse2 .cse3) (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse0 (not (= 0 ~pumpRunning~0)) .cse3 .cse2))) [2020-07-21 12:54:46,052 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 542 549) no Hoare annotation was computed. [2020-07-21 12:54:46,053 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 355 379) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 12:54:46,053 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 355 379) no Hoare annotation was computed. [2020-07-21 12:54:46,053 INFO L264 CegarLoopResult]: At program point L374(line 374) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))))) [2020-07-21 12:54:46,053 INFO L268 CegarLoopResult]: For program point L374-1(lines 355 379) no Hoare annotation was computed. [2020-07-21 12:54:46,053 INFO L264 CegarLoopResult]: At program point L369(line 369) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= 0 ~pumpRunning~0)) .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 12:54:46,053 INFO L264 CegarLoopResult]: At program point L365(line 365) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 12:54:46,053 INFO L268 CegarLoopResult]: For program point L363(lines 363 371) no Hoare annotation was computed. [2020-07-21 12:54:46,054 INFO L264 CegarLoopResult]: At program point L361(line 361) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 12:54:46,054 INFO L268 CegarLoopResult]: For program point L361-1(line 361) no Hoare annotation was computed. [2020-07-21 12:54:46,054 INFO L268 CegarLoopResult]: For program point L359(lines 359 376) no Hoare annotation was computed. [2020-07-21 12:54:46,054 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 113 124) no Hoare annotation was computed. [2020-07-21 12:54:46,054 INFO L268 CegarLoopResult]: For program point L117-1(lines 113 124) no Hoare annotation was computed. [2020-07-21 12:54:46,054 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 113 124) the Hoare annotation is: (let ((.cse1 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse7) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse5 .cse0 .cse6 .cse3))) [2020-07-21 12:54:46,054 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 202 209) no Hoare annotation was computed. [2020-07-21 12:54:46,054 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 206) no Hoare annotation was computed. [2020-07-21 12:54:46,055 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 202 209) the Hoare annotation is: true [2020-07-21 12:54:46,055 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 202 209) no Hoare annotation was computed. [2020-07-21 12:54:46,055 INFO L268 CegarLoopResult]: For program point L385(lines 385 402) no Hoare annotation was computed. [2020-07-21 12:54:46,055 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 381 405) no Hoare annotation was computed. [2020-07-21 12:54:46,055 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 381 405) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 12:54:46,055 INFO L264 CegarLoopResult]: At program point L400(line 400) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 12:54:46,055 INFO L268 CegarLoopResult]: For program point L400-1(lines 381 405) no Hoare annotation was computed. [2020-07-21 12:54:46,055 INFO L264 CegarLoopResult]: At program point L395(line 395) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 12:54:46,056 INFO L264 CegarLoopResult]: At program point L391(line 391) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 12:54:46,056 INFO L268 CegarLoopResult]: For program point L389(lines 389 397) no Hoare annotation was computed. [2020-07-21 12:54:46,056 INFO L264 CegarLoopResult]: At program point L387(line 387) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 12:54:46,056 INFO L268 CegarLoopResult]: For program point L387-1(line 387) no Hoare annotation was computed. [2020-07-21 12:54:46,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 12:54:46 BoogieIcfgContainer [2020-07-21 12:54:46,077 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 12:54:46,079 INFO L168 Benchmark]: Toolchain (without parser) took 17847.03 ms. Allocated memory was 138.4 MB in the beginning and 435.2 MB in the end (delta: 296.7 MB). Free memory was 100.5 MB in the beginning and 346.2 MB in the end (delta: -245.8 MB). Peak memory consumption was 271.7 MB. Max. memory is 7.1 GB. [2020-07-21 12:54:46,080 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 12:54:46,080 INFO L168 Benchmark]: CACSL2BoogieTranslator took 660.79 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 100.0 MB in the beginning and 168.7 MB in the end (delta: -68.6 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2020-07-21 12:54:46,081 INFO L168 Benchmark]: Boogie Preprocessor took 90.35 ms. Allocated memory is still 202.4 MB. Free memory was 168.7 MB in the beginning and 164.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-21 12:54:46,082 INFO L168 Benchmark]: RCFGBuilder took 1218.47 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 164.6 MB in the beginning and 190.3 MB in the end (delta: -25.7 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. [2020-07-21 12:54:46,083 INFO L168 Benchmark]: TraceAbstraction took 15864.29 ms. Allocated memory was 235.4 MB in the beginning and 435.2 MB in the end (delta: 199.8 MB). Free memory was 190.3 MB in the beginning and 346.2 MB in the end (delta: -155.9 MB). Peak memory consumption was 264.6 MB. Max. memory is 7.1 GB. [2020-07-21 12:54:46,087 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 660.79 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 100.0 MB in the beginning and 168.7 MB in the end (delta: -68.6 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.35 ms. Allocated memory is still 202.4 MB. Free memory was 168.7 MB in the beginning and 164.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1218.47 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 164.6 MB in the beginning and 190.3 MB in the end (delta: -25.7 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15864.29 ms. Allocated memory was 235.4 MB in the beginning and 435.2 MB in the end (delta: 199.8 MB). Free memory was 190.3 MB in the beginning and 346.2 MB in the end (delta: -155.9 MB). Peak memory consumption was 264.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 206]: 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: 561]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(systemActive))) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 560]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 259 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.7s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2088 SDtfs, 1409 SDslu, 3674 SDs, 0 SdLazy, 2241 SolverSat, 569 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1134 GetRequests, 1072 SyntacticMatches, 6 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=552occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 203 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 71 LocationsWithAnnotation, 1015 PreInvPairs, 1099 NumberOfFragments, 1883 HoareAnnotationTreeSize, 1015 FomulaSimplifications, 1731 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 71 FomulaSimplificationsInter, 8559 FormulaSimplificationTreeSizeReductionInter, 4.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 940 NumberOfCodeBlocks, 940 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1109 ConstructedInterpolants, 0 QuantifiedInterpolants, 247417 SizeOfPredicates, 26 NumberOfNonLiveVariables, 7821 ConjunctsInSsa, 85 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 95/121 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...