/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_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 12:54:42,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 12:54:42,785 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 12:54:42,804 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 12:54:42,804 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 12:54:42,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 12:54:42,808 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 12:54:42,817 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 12:54:42,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 12:54:42,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 12:54:42,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 12:54:42,827 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 12:54:42,827 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 12:54:42,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 12:54:42,833 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 12:54:42,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 12:54:42,834 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 12:54:42,835 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 12:54:42,837 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 12:54:42,839 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 12:54:42,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 12:54:42,845 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 12:54:42,846 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 12:54:42,847 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 12:54:42,851 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 12:54:42,851 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 12:54:42,851 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 12:54:42,854 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 12:54:42,855 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 12:54:42,856 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 12:54:42,856 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 12:54:42,858 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 12:54:42,859 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 12:54:42,862 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 12:54:42,863 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 12:54:42,863 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 12:54:42,864 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 12:54:42,864 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 12:54:42,864 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 12:54:42,865 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 12:54:42,866 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 12:54:42,867 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 12:54:42,905 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 12:54:42,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 12:54:42,907 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 12:54:42,907 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 12:54:42,908 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 12:54:42,908 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 12:54:42,908 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 12:54:42,908 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 12:54:42,908 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 12:54:42,909 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 12:54:42,909 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 12:54:42,909 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 12:54:42,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 12:54:42,911 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 12:54:42,912 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 12:54:42,912 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 12:54:42,912 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 12:54:42,913 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 12:54:42,913 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 12:54:42,913 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 12:54:42,913 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 12:54:42,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 12:54:42,916 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 12:54:42,916 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 12:54:42,916 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 12:54:42,916 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 12:54:42,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:42,916 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 12:54:42,917 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 12:54:42,917 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 12:54:43,248 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 12:54:43,262 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 12:54:43,265 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 12:54:43,267 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 12:54:43,267 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 12:54:43,268 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product61.cil.c [2020-07-21 12:54:43,330 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a63b2c7b/eed92212b0694d9f9fb0efe17b419e4a/FLAG3fcc23766 [2020-07-21 12:54:43,897 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 12:54:43,898 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product61.cil.c [2020-07-21 12:54:43,913 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a63b2c7b/eed92212b0694d9f9fb0efe17b419e4a/FLAG3fcc23766 [2020-07-21 12:54:44,201 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a63b2c7b/eed92212b0694d9f9fb0efe17b419e4a [2020-07-21 12:54:44,210 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 12:54:44,213 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 12:54:44,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 12:54:44,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 12:54:44,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 12:54:44,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:54:44" (1/1) ... [2020-07-21 12:54:44,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57fa8424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:44, skipping insertion in model container [2020-07-21 12:54:44,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:54:44" (1/1) ... [2020-07-21 12:54:44,230 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 12:54:44,292 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 12:54:44,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:54:44,768 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 12:54:44,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:54:44,891 INFO L208 MainTranslator]: Completed translation [2020-07-21 12:54:44,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:44 WrapperNode [2020-07-21 12:54:44,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 12:54:44,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 12:54:44,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 12:54:44,893 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 12:54:44,909 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:44" (1/1) ... [2020-07-21 12:54:44,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:44" (1/1) ... [2020-07-21 12:54:44,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:44" (1/1) ... [2020-07-21 12:54:44,929 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:44" (1/1) ... [2020-07-21 12:54:44,961 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:44" (1/1) ... [2020-07-21 12:54:44,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:44" (1/1) ... [2020-07-21 12:54:44,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:44" (1/1) ... [2020-07-21 12:54:44,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 12:54:44,992 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 12:54:44,992 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 12:54:44,992 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 12:54:44,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:44" (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 12:54:45,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 12:54:45,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 12:54:45,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 12:54:45,059 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 12:54:45,059 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 12:54:45,060 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 12:54:45,060 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 12:54:45,061 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-21 12:54:45,061 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 12:54:45,061 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-21 12:54:45,062 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 12:54:45,062 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 12:54:45,062 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 12:54:45,062 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 12:54:45,063 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 12:54:45,063 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 12:54:45,064 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 12:54:45,064 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 12:54:45,064 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 12:54:45,064 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 12:54:45,064 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 12:54:45,065 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 12:54:45,065 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 12:54:45,065 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 12:54:45,066 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 12:54:45,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 12:54:45,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 12:54:45,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 12:54:45,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 12:54:45,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 12:54:45,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 12:54:45,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-21 12:54:45,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-21 12:54:45,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-21 12:54:45,067 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 12:54:45,068 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 12:54:45,068 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 12:54:45,068 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 12:54:45,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 12:54:45,068 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 12:54:45,068 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 12:54:45,068 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 12:54:45,068 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 12:54:45,069 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 12:54:45,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 12:54:45,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 12:54:45,069 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 12:54:45,069 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 12:54:45,069 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 12:54:45,069 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 12:54:45,070 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 12:54:45,070 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 12:54:45,070 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 12:54:45,070 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 12:54:45,070 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 12:54:45,070 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 12:54:45,071 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 12:54:45,071 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 12:54:45,071 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 12:54:45,071 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 12:54:45,071 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 12:54:45,071 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-21 12:54:45,071 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-21 12:54:45,071 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 12:54:45,071 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 12:54:45,072 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 12:54:45,072 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 12:54:45,072 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 12:54:45,072 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-21 12:54:45,072 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 12:54:45,072 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-21 12:54:45,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 12:54:45,072 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 12:54:45,072 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 12:54:45,073 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 12:54:45,073 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 12:54:45,073 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 12:54:45,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 12:54:45,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 12:54:45,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 12:54:45,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 12:54:45,074 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 12:54:45,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 12:54:45,074 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 12:54:45,074 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 12:54:45,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 12:54:45,074 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 12:54:45,075 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 12:54:45,075 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 12:54:45,075 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 12:54:45,075 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-21 12:54:45,075 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 12:54:45,075 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 12:54:45,076 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 12:54:45,076 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 12:54:45,076 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 12:54:45,076 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 12:54:45,076 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 12:54:45,076 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 12:54:45,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 12:54:45,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 12:54:45,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 12:54:46,193 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 12:54:46,193 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 12:54:46,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:54:46 BoogieIcfgContainer [2020-07-21 12:54:46,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 12:54:46,201 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 12:54:46,201 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 12:54:46,204 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 12:54:46,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:54:44" (1/3) ... [2020-07-21 12:54:46,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cbab6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:54:46, skipping insertion in model container [2020-07-21 12:54:46,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:44" (2/3) ... [2020-07-21 12:54:46,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cbab6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:54:46, skipping insertion in model container [2020-07-21 12:54:46,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:54:46" (3/3) ... [2020-07-21 12:54:46,208 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product61.cil.c [2020-07-21 12:54:46,219 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 12:54:46,227 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 12:54:46,239 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 12:54:46,264 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 12:54:46,265 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 12:54:46,265 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 12:54:46,265 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 12:54:46,265 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 12:54:46,266 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 12:54:46,266 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 12:54:46,266 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 12:54:46,290 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2020-07-21 12:54:46,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-21 12:54:46,300 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:46,301 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 12:54:46,302 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:46,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:46,308 INFO L82 PathProgramCache]: Analyzing trace with hash -748532366, now seen corresponding path program 1 times [2020-07-21 12:54:46,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:46,318 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [386646051] [2020-07-21 12:54:46,318 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 12:54:46,666 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:46,666 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:46,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 694 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 12:54:46,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:46,720 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 12:54:46,720 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:46,722 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [386646051] [2020-07-21 12:54:46,723 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:46,723 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 12:54:46,724 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794712466] [2020-07-21 12:54:46,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 12:54:46,730 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:46,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 12:54:46,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 12:54:46,752 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 2 states. [2020-07-21 12:54:46,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:46,840 INFO L93 Difference]: Finished difference Result 322 states and 399 transitions. [2020-07-21 12:54:46,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 12:54:46,842 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-21 12:54:46,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:46,864 INFO L225 Difference]: With dead ends: 322 [2020-07-21 12:54:46,864 INFO L226 Difference]: Without dead ends: 163 [2020-07-21 12:54:46,872 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 12:54:46,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-07-21 12:54:46,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2020-07-21 12:54:46,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-07-21 12:54:46,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 193 transitions. [2020-07-21 12:54:46,966 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 193 transitions. Word has length 59 [2020-07-21 12:54:46,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:46,967 INFO L479 AbstractCegarLoop]: Abstraction has 163 states and 193 transitions. [2020-07-21 12:54:46,967 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 12:54:46,967 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 193 transitions. [2020-07-21 12:54:46,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-21 12:54:46,972 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:46,972 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] [2020-07-21 12:54:47,173 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:47,174 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:47,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:47,174 INFO L82 PathProgramCache]: Analyzing trace with hash -733015768, now seen corresponding path program 1 times [2020-07-21 12:54:47,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:47,176 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1435616583] [2020-07-21 12:54:47,176 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 12:54:47,538 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:47,539 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:47,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 12:54:47,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:47,588 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 12:54:47,589 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:47,589 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1435616583] [2020-07-21 12:54:47,589 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:47,590 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:54:47,590 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989945406] [2020-07-21 12:54:47,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:54:47,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:47,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:54:47,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:47,593 INFO L87 Difference]: Start difference. First operand 163 states and 193 transitions. Second operand 3 states. [2020-07-21 12:54:47,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:47,619 INFO L93 Difference]: Finished difference Result 298 states and 361 transitions. [2020-07-21 12:54:47,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:54:47,620 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2020-07-21 12:54:47,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:47,622 INFO L225 Difference]: With dead ends: 298 [2020-07-21 12:54:47,623 INFO L226 Difference]: Without dead ends: 163 [2020-07-21 12:54:47,625 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 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 12:54:47,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-07-21 12:54:47,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2020-07-21 12:54:47,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-07-21 12:54:47,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 192 transitions. [2020-07-21 12:54:47,650 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 192 transitions. Word has length 64 [2020-07-21 12:54:47,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:47,653 INFO L479 AbstractCegarLoop]: Abstraction has 163 states and 192 transitions. [2020-07-21 12:54:47,654 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:54:47,654 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 192 transitions. [2020-07-21 12:54:47,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-07-21 12:54:47,659 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:47,660 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] [2020-07-21 12:54:47,876 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:47,877 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:47,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:47,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1142393912, now seen corresponding path program 1 times [2020-07-21 12:54:47,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:47,880 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1002274714] [2020-07-21 12:54:47,880 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 12:54:48,082 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 12:54:48,082 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:48,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 12:54:48,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:48,105 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 12:54:48,106 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:48,106 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1002274714] [2020-07-21 12:54:48,106 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:48,106 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:54:48,107 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822381857] [2020-07-21 12:54:48,107 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:54:48,108 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:48,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:54:48,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:48,108 INFO L87 Difference]: Start difference. First operand 163 states and 192 transitions. Second operand 3 states. [2020-07-21 12:54:48,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:48,123 INFO L93 Difference]: Finished difference Result 271 states and 319 transitions. [2020-07-21 12:54:48,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:54:48,124 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2020-07-21 12:54:48,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:48,126 INFO L225 Difference]: With dead ends: 271 [2020-07-21 12:54:48,127 INFO L226 Difference]: Without dead ends: 154 [2020-07-21 12:54:48,128 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 76 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 12:54:48,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-07-21 12:54:48,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2020-07-21 12:54:48,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-07-21 12:54:48,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 180 transitions. [2020-07-21 12:54:48,152 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 180 transitions. Word has length 78 [2020-07-21 12:54:48,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:48,152 INFO L479 AbstractCegarLoop]: Abstraction has 154 states and 180 transitions. [2020-07-21 12:54:48,153 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:54:48,153 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 180 transitions. [2020-07-21 12:54:48,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-07-21 12:54:48,156 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:48,156 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] [2020-07-21 12:54:48,368 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:48,370 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:48,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:48,371 INFO L82 PathProgramCache]: Analyzing trace with hash 330531379, now seen corresponding path program 1 times [2020-07-21 12:54:48,371 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:48,372 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [273377685] [2020-07-21 12:54:48,372 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 12:54:48,665 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:48,665 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:48,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 12:54:48,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:48,716 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 12:54:48,716 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:48,717 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [273377685] [2020-07-21 12:54:48,717 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:48,717 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:54:48,717 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760769935] [2020-07-21 12:54:48,718 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:54:48,718 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:48,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:54:48,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:54:48,719 INFO L87 Difference]: Start difference. First operand 154 states and 180 transitions. Second operand 6 states. [2020-07-21 12:54:49,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:49,541 INFO L93 Difference]: Finished difference Result 380 states and 460 transitions. [2020-07-21 12:54:49,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 12:54:49,542 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 82 [2020-07-21 12:54:49,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:49,544 INFO L225 Difference]: With dead ends: 380 [2020-07-21 12:54:49,545 INFO L226 Difference]: Without dead ends: 254 [2020-07-21 12:54:49,546 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 78 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 12:54:49,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-07-21 12:54:49,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 239. [2020-07-21 12:54:49,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2020-07-21 12:54:49,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 269 transitions. [2020-07-21 12:54:49,571 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 269 transitions. Word has length 82 [2020-07-21 12:54:49,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:49,571 INFO L479 AbstractCegarLoop]: Abstraction has 239 states and 269 transitions. [2020-07-21 12:54:49,571 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:54:49,571 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 269 transitions. [2020-07-21 12:54:49,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-07-21 12:54:49,573 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:49,573 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] [2020-07-21 12:54:49,782 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:49,782 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:49,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:49,783 INFO L82 PathProgramCache]: Analyzing trace with hash 1154984362, now seen corresponding path program 1 times [2020-07-21 12:54:49,784 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:49,784 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1465496510] [2020-07-21 12:54:49,785 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 12:54:50,081 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:50,081 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:50,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 12:54:50,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:50,129 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 12:54:50,129 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:50,130 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1465496510] [2020-07-21 12:54:50,130 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:50,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:54:50,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154123953] [2020-07-21 12:54:50,131 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:54:50,131 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:50,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:54:50,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:54:50,132 INFO L87 Difference]: Start difference. First operand 239 states and 269 transitions. Second operand 6 states. [2020-07-21 12:54:50,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:50,349 INFO L93 Difference]: Finished difference Result 453 states and 518 transitions. [2020-07-21 12:54:50,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 12:54:50,349 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 96 [2020-07-21 12:54:50,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:50,352 INFO L225 Difference]: With dead ends: 453 [2020-07-21 12:54:50,352 INFO L226 Difference]: Without dead ends: 242 [2020-07-21 12:54:50,354 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 91 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 12:54:50,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-07-21 12:54:50,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 238. [2020-07-21 12:54:50,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2020-07-21 12:54:50,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 266 transitions. [2020-07-21 12:54:50,374 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 266 transitions. Word has length 96 [2020-07-21 12:54:50,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:50,375 INFO L479 AbstractCegarLoop]: Abstraction has 238 states and 266 transitions. [2020-07-21 12:54:50,375 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:54:50,375 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 266 transitions. [2020-07-21 12:54:50,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-21 12:54:50,377 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:50,377 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:50,591 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:50,593 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:50,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:50,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1590195415, now seen corresponding path program 1 times [2020-07-21 12:54:50,594 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:50,595 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1007804287] [2020-07-21 12:54:50,595 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 12:54:50,864 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:50,864 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:50,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 12:54:50,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:50,922 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 12:54:50,922 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:50,922 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1007804287] [2020-07-21 12:54:50,923 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:50,923 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:54:50,923 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673353131] [2020-07-21 12:54:50,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:54:50,925 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:50,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:54:50,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:54:50,926 INFO L87 Difference]: Start difference. First operand 238 states and 266 transitions. Second operand 6 states. [2020-07-21 12:54:50,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:50,971 INFO L93 Difference]: Finished difference Result 455 states and 520 transitions. [2020-07-21 12:54:50,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 12:54:50,971 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 112 [2020-07-21 12:54:50,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:50,974 INFO L225 Difference]: With dead ends: 455 [2020-07-21 12:54:50,974 INFO L226 Difference]: Without dead ends: 245 [2020-07-21 12:54:50,975 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 107 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 12:54:50,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2020-07-21 12:54:50,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 243. [2020-07-21 12:54:50,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-07-21 12:54:50,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 271 transitions. [2020-07-21 12:54:50,992 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 271 transitions. Word has length 112 [2020-07-21 12:54:50,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:50,993 INFO L479 AbstractCegarLoop]: Abstraction has 243 states and 271 transitions. [2020-07-21 12:54:50,993 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:54:50,993 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 271 transitions. [2020-07-21 12:54:50,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-21 12:54:50,994 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:50,994 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:51,207 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:51,208 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:51,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:51,209 INFO L82 PathProgramCache]: Analyzing trace with hash -765609835, now seen corresponding path program 1 times [2020-07-21 12:54:51,209 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:51,210 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [765705726] [2020-07-21 12:54:51,210 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 12:54:51,452 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:51,452 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:51,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 809 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 12:54:51,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:51,519 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 12:54:51,520 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:51,520 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [765705726] [2020-07-21 12:54:51,520 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:51,521 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 12:54:51,521 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032667067] [2020-07-21 12:54:51,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 12:54:51,528 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:51,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 12:54:51,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 12:54:51,529 INFO L87 Difference]: Start difference. First operand 243 states and 271 transitions. Second operand 5 states. [2020-07-21 12:54:51,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:51,560 INFO L93 Difference]: Finished difference Result 465 states and 531 transitions. [2020-07-21 12:54:51,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 12:54:51,561 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 112 [2020-07-21 12:54:51,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:51,563 INFO L225 Difference]: With dead ends: 465 [2020-07-21 12:54:51,563 INFO L226 Difference]: Without dead ends: 250 [2020-07-21 12:54:51,564 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 108 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 12:54:51,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2020-07-21 12:54:51,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 247. [2020-07-21 12:54:51,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2020-07-21 12:54:51,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 275 transitions. [2020-07-21 12:54:51,581 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 275 transitions. Word has length 112 [2020-07-21 12:54:51,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:51,581 INFO L479 AbstractCegarLoop]: Abstraction has 247 states and 275 transitions. [2020-07-21 12:54:51,581 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 12:54:51,582 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 275 transitions. [2020-07-21 12:54:51,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-21 12:54:51,583 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:51,583 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:51,795 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:51,795 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:51,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:51,796 INFO L82 PathProgramCache]: Analyzing trace with hash 3560180, now seen corresponding path program 1 times [2020-07-21 12:54:51,796 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:51,797 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [867641302] [2020-07-21 12:54:51,797 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 12:54:51,973 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 12:54:51,973 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:51,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 701 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 12:54:51,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:52,018 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 12:54:52,018 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:52,018 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [867641302] [2020-07-21 12:54:52,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:52,019 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:54:52,019 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814364539] [2020-07-21 12:54:52,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:54:52,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:52,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:54:52,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:52,020 INFO L87 Difference]: Start difference. First operand 247 states and 275 transitions. Second operand 3 states. [2020-07-21 12:54:52,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:52,063 INFO L93 Difference]: Finished difference Result 638 states and 742 transitions. [2020-07-21 12:54:52,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:54:52,064 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2020-07-21 12:54:52,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:52,067 INFO L225 Difference]: With dead ends: 638 [2020-07-21 12:54:52,067 INFO L226 Difference]: Without dead ends: 419 [2020-07-21 12:54:52,069 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 109 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 12:54:52,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2020-07-21 12:54:52,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 416. [2020-07-21 12:54:52,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2020-07-21 12:54:52,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 477 transitions. [2020-07-21 12:54:52,114 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 477 transitions. Word has length 112 [2020-07-21 12:54:52,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:52,116 INFO L479 AbstractCegarLoop]: Abstraction has 416 states and 477 transitions. [2020-07-21 12:54:52,116 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:54:52,116 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 477 transitions. [2020-07-21 12:54:52,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-07-21 12:54:52,123 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:52,123 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:52,337 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:52,338 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:52,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:52,338 INFO L82 PathProgramCache]: Analyzing trace with hash -427651474, now seen corresponding path program 1 times [2020-07-21 12:54:52,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:52,339 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1584948497] [2020-07-21 12:54:52,339 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 12:54:52,563 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:52,563 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:52,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-21 12:54:52,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:52,713 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 12:54:52,714 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:52,714 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1584948497] [2020-07-21 12:54:52,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:52,714 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-21 12:54:52,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779649428] [2020-07-21 12:54:52,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 12:54:52,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:52,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 12:54:52,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-21 12:54:52,716 INFO L87 Difference]: Start difference. First operand 416 states and 477 transitions. Second operand 10 states. [2020-07-21 12:54:54,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:54,010 INFO L93 Difference]: Finished difference Result 1090 states and 1405 transitions. [2020-07-21 12:54:54,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-21 12:54:54,011 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 116 [2020-07-21 12:54:54,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:54,017 INFO L225 Difference]: With dead ends: 1090 [2020-07-21 12:54:54,017 INFO L226 Difference]: Without dead ends: 702 [2020-07-21 12:54:54,019 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 107 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 12:54:54,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2020-07-21 12:54:54,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 537. [2020-07-21 12:54:54,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 537 states. [2020-07-21 12:54:54,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 629 transitions. [2020-07-21 12:54:54,061 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 629 transitions. Word has length 116 [2020-07-21 12:54:54,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:54,061 INFO L479 AbstractCegarLoop]: Abstraction has 537 states and 629 transitions. [2020-07-21 12:54:54,062 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 12:54:54,062 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 629 transitions. [2020-07-21 12:54:54,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-07-21 12:54:54,065 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:54,065 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, 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, 1] [2020-07-21 12:54:54,277 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:54,277 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:54,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:54,278 INFO L82 PathProgramCache]: Analyzing trace with hash -701597495, now seen corresponding path program 1 times [2020-07-21 12:54:54,279 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:54,279 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1087513624] [2020-07-21 12:54:54,279 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 12:54:54,578 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:54,579 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:54,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 1002 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 12:54:54,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:54,672 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 37 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:54,672 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 12:54:55,234 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-07-21 12:54:55,234 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1087513624] [2020-07-21 12:54:55,234 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 12:54:55,235 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-21 12:54:55,235 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217829118] [2020-07-21 12:54:55,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 12:54:55,237 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:55,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 12:54:55,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-21 12:54:55,238 INFO L87 Difference]: Start difference. First operand 537 states and 629 transitions. Second operand 10 states. [2020-07-21 12:54:56,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:56,079 INFO L93 Difference]: Finished difference Result 631 states and 755 transitions. [2020-07-21 12:54:56,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-21 12:54:56,079 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 193 [2020-07-21 12:54:56,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:56,082 INFO L225 Difference]: With dead ends: 631 [2020-07-21 12:54:56,082 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 12:54:56,084 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 373 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 12:54:56,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 12:54:56,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 12:54:56,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 12:54:56,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 12:54:56,086 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 193 [2020-07-21 12:54:56,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:56,086 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 12:54:56,086 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 12:54:56,086 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 12:54:56,086 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 12:54:56,289 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:56,292 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 12:54:57,504 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 27 [2020-07-21 12:54:57,845 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 43 [2020-07-21 12:54:57,972 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 27 [2020-07-21 12:54:58,498 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 40 [2020-07-21 12:54:59,043 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 26 [2020-07-21 12:54:59,195 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 31 [2020-07-21 12:54:59,755 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 36 [2020-07-21 12:55:00,282 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 39 [2020-07-21 12:55:00,461 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 27 [2020-07-21 12:55:00,630 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 26 [2020-07-21 12:55:01,138 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-07-21 12:55:01,139 INFO L268 CegarLoopResult]: For program point L544-2(lines 544 565) no Hoare annotation was computed. [2020-07-21 12:55:01,139 INFO L268 CegarLoopResult]: For program point L566(lines 543 567) no Hoare annotation was computed. [2020-07-21 12:55:01,139 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 519 574) no Hoare annotation was computed. [2020-07-21 12:55:01,139 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 519 574) no Hoare annotation was computed. [2020-07-21 12:55:01,139 INFO L268 CegarLoopResult]: For program point L550(lines 550 554) no Hoare annotation was computed. [2020-07-21 12:55:01,139 INFO L268 CegarLoopResult]: For program point L550-1(lines 550 554) no Hoare annotation was computed. [2020-07-21 12:55:01,139 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 519 574) no Hoare annotation was computed. [2020-07-21 12:55:01,139 INFO L268 CegarLoopResult]: For program point L607(lines 607 611) no Hoare annotation was computed. [2020-07-21 12:55:01,139 INFO L268 CegarLoopResult]: For program point L607-1(lines 607 611) no Hoare annotation was computed. [2020-07-21 12:55:01,140 INFO L268 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-07-21 12:55:01,140 INFO L268 CegarLoopResult]: For program point L601-2(lines 601 626) no Hoare annotation was computed. [2020-07-21 12:55:01,140 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 575 634) no Hoare annotation was computed. [2020-07-21 12:55:01,140 INFO L268 CegarLoopResult]: For program point L627(lines 600 628) no Hoare annotation was computed. [2020-07-21 12:55:01,140 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 575 634) no Hoare annotation was computed. [2020-07-21 12:55:01,140 INFO L268 CegarLoopResult]: For program point L620(line 620) no Hoare annotation was computed. [2020-07-21 12:55:01,140 INFO L268 CegarLoopResult]: For program point L620-1(line 620) no Hoare annotation was computed. [2020-07-21 12:55:01,141 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 575 634) no Hoare annotation was computed. [2020-07-21 12:55:01,141 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 904 910) the Hoare annotation is: true [2020-07-21 12:55:01,141 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 904 910) no Hoare annotation was computed. [2020-07-21 12:55:01,141 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 911 919) no Hoare annotation was computed. [2020-07-21 12:55:01,142 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 911 919) the Hoare annotation is: true [2020-07-21 12:55:01,142 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 911 919) no Hoare annotation was computed. [2020-07-21 12:55:01,142 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 835 842) the Hoare annotation is: true [2020-07-21 12:55:01,142 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 835 842) no Hoare annotation was computed. [2020-07-21 12:55:01,142 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 835 842) no Hoare annotation was computed. [2020-07-21 12:55:01,142 INFO L268 CegarLoopResult]: For program point L848(line 848) no Hoare annotation was computed. [2020-07-21 12:55:01,143 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 843 852) 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 12:55:01,143 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 843 852) no Hoare annotation was computed. [2020-07-21 12:55:01,143 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 843 852) no Hoare annotation was computed. [2020-07-21 12:55:01,143 INFO L268 CegarLoopResult]: For program point L865(lines 865 875) no Hoare annotation was computed. [2020-07-21 12:55:01,143 INFO L264 CegarLoopResult]: At program point L863(line 863) 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 12:55:01,143 INFO L268 CegarLoopResult]: For program point L863-1(line 863) no Hoare annotation was computed. [2020-07-21 12:55:01,143 INFO L268 CegarLoopResult]: For program point L861(lines 861 878) no Hoare annotation was computed. [2020-07-21 12:55:01,144 INFO L268 CegarLoopResult]: For program point L861-1(lines 853 881) no Hoare annotation was computed. [2020-07-21 12:55:01,144 INFO L271 CegarLoopResult]: At program point L859(line 859) the Hoare annotation is: true [2020-07-21 12:55:01,144 INFO L268 CegarLoopResult]: For program point L859-1(line 859) no Hoare annotation was computed. [2020-07-21 12:55:01,144 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 853 881) the Hoare annotation is: true [2020-07-21 12:55:01,144 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 853 881) no Hoare annotation was computed. [2020-07-21 12:55:01,144 INFO L264 CegarLoopResult]: At program point L868(line 868) 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 12:55:01,144 INFO L268 CegarLoopResult]: For program point L866(lines 866 872) no Hoare annotation was computed. [2020-07-21 12:55:01,145 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1003 1025) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 12:55:01,145 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1003 1025) no Hoare annotation was computed. [2020-07-21 12:55:01,145 INFO L264 CegarLoopResult]: At program point L1015(line 1015) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 12:55:01,145 INFO L264 CegarLoopResult]: At program point L1015-1(line 1015) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 12:55:01,145 INFO L268 CegarLoopResult]: For program point L1013(lines 1013 1020) no Hoare annotation was computed. [2020-07-21 12:55:01,145 INFO L268 CegarLoopResult]: For program point L1013-1(lines 1013 1020) no Hoare annotation was computed. [2020-07-21 12:55:01,145 INFO L268 CegarLoopResult]: For program point L1011(line 1011) no Hoare annotation was computed. [2020-07-21 12:55:01,146 INFO L264 CegarLoopResult]: At program point L1010(line 1010) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 12:55:01,146 INFO L264 CegarLoopResult]: At program point L1009(line 1009) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 12:55:01,146 INFO L264 CegarLoopResult]: At program point L1009-1(line 1009) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 12:55:01,146 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 1003 1025) no Hoare annotation was computed. [2020-07-21 12:55:01,146 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 961 984) no Hoare annotation was computed. [2020-07-21 12:55:01,146 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 961 984) no Hoare annotation was computed. [2020-07-21 12:55:01,146 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 961 984) no Hoare annotation was computed. [2020-07-21 12:55:01,146 INFO L268 CegarLoopResult]: For program point L979(line 979) no Hoare annotation was computed. [2020-07-21 12:55:01,146 INFO L268 CegarLoopResult]: For program point L978(line 978) no Hoare annotation was computed. [2020-07-21 12:55:01,147 INFO L268 CegarLoopResult]: For program point L977(line 977) no Hoare annotation was computed. [2020-07-21 12:55:01,147 INFO L268 CegarLoopResult]: For program point L976(line 976) no Hoare annotation was computed. [2020-07-21 12:55:01,147 INFO L268 CegarLoopResult]: For program point L975(line 975) no Hoare annotation was computed. [2020-07-21 12:55:01,147 INFO L268 CegarLoopResult]: For program point L974(line 974) no Hoare annotation was computed. [2020-07-21 12:55:01,147 INFO L268 CegarLoopResult]: For program point L973(line 973) no Hoare annotation was computed. [2020-07-21 12:55:01,147 INFO L268 CegarLoopResult]: For program point L972(line 972) no Hoare annotation was computed. [2020-07-21 12:55:01,147 INFO L268 CegarLoopResult]: For program point L971(line 971) no Hoare annotation was computed. [2020-07-21 12:55:01,147 INFO L268 CegarLoopResult]: For program point L970(line 970) no Hoare annotation was computed. [2020-07-21 12:55:01,147 INFO L268 CegarLoopResult]: For program point L969(line 969) no Hoare annotation was computed. [2020-07-21 12:55:01,148 INFO L268 CegarLoopResult]: For program point L968(line 968) no Hoare annotation was computed. [2020-07-21 12:55:01,148 INFO L268 CegarLoopResult]: For program point L967(line 967) no Hoare annotation was computed. [2020-07-21 12:55:01,148 INFO L268 CegarLoopResult]: For program point L966(line 966) no Hoare annotation was computed. [2020-07-21 12:55:01,148 INFO L268 CegarLoopResult]: For program point L192(lines 192 200) no Hoare annotation was computed. [2020-07-21 12:55:01,148 INFO L264 CegarLoopResult]: At program point L190(line 190) 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 12:55:01,148 INFO L268 CegarLoopResult]: For program point L190-1(line 190) no Hoare annotation was computed. [2020-07-21 12:55:01,148 INFO L268 CegarLoopResult]: For program point L188(lines 188 205) no Hoare annotation was computed. [2020-07-21 12:55:01,149 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 184 208) 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 12:55:01,149 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 184 208) no Hoare annotation was computed. [2020-07-21 12:55:01,149 INFO L264 CegarLoopResult]: At program point L203(line 203) 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 12:55:01,149 INFO L268 CegarLoopResult]: For program point L203-1(lines 184 208) no Hoare annotation was computed. [2020-07-21 12:55:01,149 INFO L264 CegarLoopResult]: At program point L198(line 198) 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 12:55:01,149 INFO L264 CegarLoopResult]: At program point L194(line 194) 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 12:55:01,150 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 279 287) no Hoare annotation was computed. [2020-07-21 12:55:01,150 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 279 287) the Hoare annotation is: true [2020-07-21 12:55:01,150 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 279 287) no Hoare annotation was computed. [2020-07-21 12:55:01,150 INFO L268 CegarLoopResult]: For program point L352(lines 352 356) no Hoare annotation was computed. [2020-07-21 12:55:01,150 INFO L271 CegarLoopResult]: At program point L350(line 350) the Hoare annotation is: true [2020-07-21 12:55:01,150 INFO L268 CegarLoopResult]: For program point L352-2(lines 352 356) no Hoare annotation was computed. [2020-07-21 12:55:01,150 INFO L268 CegarLoopResult]: For program point L350-1(line 350) no Hoare annotation was computed. [2020-07-21 12:55:01,150 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 343 361) the Hoare annotation is: true [2020-07-21 12:55:01,150 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 343 361) no Hoare annotation was computed. [2020-07-21 12:55:01,151 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 343 361) no Hoare annotation was computed. [2020-07-21 12:55:01,151 INFO L268 CegarLoopResult]: For program point L318(line 318) no Hoare annotation was computed. [2020-07-21 12:55:01,151 INFO L268 CegarLoopResult]: For program point L318-1(line 318) no Hoare annotation was computed. [2020-07-21 12:55:01,151 INFO L268 CegarLoopResult]: For program point L307(lines 307 315) no Hoare annotation was computed. [2020-07-21 12:55:01,151 INFO L268 CegarLoopResult]: For program point L307-2(lines 307 315) no Hoare annotation was computed. [2020-07-21 12:55:01,151 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 288 323) no Hoare annotation was computed. [2020-07-21 12:55:01,151 INFO L268 CegarLoopResult]: For program point L295(lines 295 303) no Hoare annotation was computed. [2020-07-21 12:55:01,151 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 288 323) no Hoare annotation was computed. [2020-07-21 12:55:01,151 INFO L268 CegarLoopResult]: For program point L295-2(lines 295 303) no Hoare annotation was computed. [2020-07-21 12:55:01,152 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 288 323) no Hoare annotation was computed. [2020-07-21 12:55:01,152 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 897 903) no Hoare annotation was computed. [2020-07-21 12:55:01,152 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 897 903) the Hoare annotation is: true [2020-07-21 12:55:01,152 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 473 518) no Hoare annotation was computed. [2020-07-21 12:55:01,152 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 473 518) no Hoare annotation was computed. [2020-07-21 12:55:01,152 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 473 518) no Hoare annotation was computed. [2020-07-21 12:55:01,152 INFO L268 CegarLoopResult]: For program point L800(lines 800 820) no Hoare annotation was computed. [2020-07-21 12:55:01,152 INFO L268 CegarLoopResult]: For program point L800-1(lines 800 820) no Hoare annotation was computed. [2020-07-21 12:55:01,152 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 786 831) no Hoare annotation was computed. [2020-07-21 12:55:01,153 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 786 831) no Hoare annotation was computed. [2020-07-21 12:55:01,153 INFO L268 CegarLoopResult]: For program point L806(lines 806 813) no Hoare annotation was computed. [2020-07-21 12:55:01,153 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 786 831) no Hoare annotation was computed. [2020-07-21 12:55:01,153 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 992 1002) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 12:55:01,153 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 992 1002) no Hoare annotation was computed. [2020-07-21 12:55:01,153 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 992 1002) no Hoare annotation was computed. [2020-07-21 12:55:01,153 INFO L264 CegarLoopResult]: At program point L997(line 997) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 12:55:01,153 INFO L271 CegarLoopResult]: At program point L273(line 273) the Hoare annotation is: true [2020-07-21 12:55:01,154 INFO L268 CegarLoopResult]: For program point L273-1(line 273) no Hoare annotation was computed. [2020-07-21 12:55:01,154 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 268 278) the Hoare annotation is: true [2020-07-21 12:55:01,154 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 268 278) no Hoare annotation was computed. [2020-07-21 12:55:01,154 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 268 278) no Hoare annotation was computed. [2020-07-21 12:55:01,154 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 260 267) 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 12:55:01,154 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 260 267) no Hoare annotation was computed. [2020-07-21 12:55:01,154 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 260 267) no Hoare annotation was computed. [2020-07-21 12:55:01,154 INFO L268 CegarLoopResult]: For program point L447(lines 447 453) no Hoare annotation was computed. [2020-07-21 12:55:01,154 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 443 456) no Hoare annotation was computed. [2020-07-21 12:55:01,155 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 443 456) the Hoare annotation is: true [2020-07-21 12:55:01,155 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 443 456) no Hoare annotation was computed. [2020-07-21 12:55:01,155 INFO L264 CegarLoopResult]: At program point L224(line 224) 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 12:55:01,155 INFO L264 CegarLoopResult]: At program point L220(line 220) 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 12:55:01,155 INFO L268 CegarLoopResult]: For program point L218(lines 218 226) no Hoare annotation was computed. [2020-07-21 12:55:01,155 INFO L264 CegarLoopResult]: At program point L216(line 216) 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 12:55:01,155 INFO L268 CegarLoopResult]: For program point L216-1(line 216) no Hoare annotation was computed. [2020-07-21 12:55:01,156 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 210 234) no Hoare annotation was computed. [2020-07-21 12:55:01,156 INFO L268 CegarLoopResult]: For program point L214(lines 214 231) no Hoare annotation was computed. [2020-07-21 12:55:01,156 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 210 234) 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 12:55:01,156 INFO L264 CegarLoopResult]: At program point L229(line 229) 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 12:55:01,156 INFO L268 CegarLoopResult]: For program point L229-1(lines 210 234) no Hoare annotation was computed. [2020-07-21 12:55:01,156 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 150 156) no Hoare annotation was computed. [2020-07-21 12:55:01,156 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 150 156) the Hoare annotation is: true [2020-07-21 12:55:01,157 INFO L264 CegarLoopResult]: At program point L97(lines 54 99) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2))) [2020-07-21 12:55:01,157 INFO L268 CegarLoopResult]: For program point L64(lines 64 70) no Hoare annotation was computed. [2020-07-21 12:55:01,157 INFO L264 CegarLoopResult]: At program point testENTRY(lines 44 107) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 12:55:01,157 INFO L268 CegarLoopResult]: For program point L64-1(lines 64 70) no Hoare annotation was computed. [2020-07-21 12:55:01,157 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-07-21 12:55:01,157 INFO L268 CegarLoopResult]: For program point testFINAL(lines 44 107) no Hoare annotation was computed. [2020-07-21 12:55:01,157 INFO L264 CegarLoopResult]: At program point L100(lines 53 101) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-21 12:55:01,157 INFO L268 CegarLoopResult]: For program point L90(lines 90 94) no Hoare annotation was computed. [2020-07-21 12:55:01,158 INFO L264 CegarLoopResult]: At program point L90-2(lines 84 95) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1))) [2020-07-21 12:55:01,158 INFO L268 CegarLoopResult]: For program point L55(lines 54 99) no Hoare annotation was computed. [2020-07-21 12:55:01,158 INFO L268 CegarLoopResult]: For program point L84(lines 84 95) no Hoare annotation was computed. [2020-07-21 12:55:01,158 INFO L264 CegarLoopResult]: At program point L76(line 76) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1))) [2020-07-21 12:55:01,158 INFO L268 CegarLoopResult]: For program point L74(lines 74 80) no Hoare annotation was computed. [2020-07-21 12:55:01,158 INFO L268 CegarLoopResult]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2020-07-21 12:55:01,159 INFO L268 CegarLoopResult]: For program point testEXIT(lines 44 107) no Hoare annotation was computed. [2020-07-21 12:55:01,159 INFO L264 CegarLoopResult]: At program point L66(line 66) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2))) [2020-07-21 12:55:01,159 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 740 785) no Hoare annotation was computed. [2020-07-21 12:55:01,159 INFO L268 CegarLoopResult]: For program point L760(lines 760 767) no Hoare annotation was computed. [2020-07-21 12:55:01,159 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 740 785) no Hoare annotation was computed. [2020-07-21 12:55:01,159 INFO L268 CegarLoopResult]: For program point L754(lines 754 774) no Hoare annotation was computed. [2020-07-21 12:55:01,159 INFO L268 CegarLoopResult]: For program point L754-1(lines 754 774) no Hoare annotation was computed. [2020-07-21 12:55:01,159 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 740 785) no Hoare annotation was computed. [2020-07-21 12:55:01,160 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 235 242) 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 12:55:01,160 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 235 242) no Hoare annotation was computed. [2020-07-21 12:55:01,160 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 235 242) no Hoare annotation was computed. [2020-07-21 12:55:01,160 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 457 465) no Hoare annotation was computed. [2020-07-21 12:55:01,160 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 457 465) the Hoare annotation is: true [2020-07-21 12:55:01,160 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 457 465) no Hoare annotation was computed. [2020-07-21 12:55:01,160 INFO L268 CegarLoopResult]: For program point L419-2(lines 419 427) no Hoare annotation was computed. [2020-07-21 12:55:01,160 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 411 433) no Hoare annotation was computed. [2020-07-21 12:55:01,161 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 411 433) no Hoare annotation was computed. [2020-07-21 12:55:01,161 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 411 433) no Hoare annotation was computed. [2020-07-21 12:55:01,161 INFO L268 CegarLoopResult]: For program point L419(lines 419 427) no Hoare annotation was computed. [2020-07-21 12:55:01,161 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 637 739) no Hoare annotation was computed. [2020-07-21 12:55:01,161 INFO L268 CegarLoopResult]: For program point L702(line 702) no Hoare annotation was computed. [2020-07-21 12:55:01,161 INFO L268 CegarLoopResult]: For program point L702-1(line 702) no Hoare annotation was computed. [2020-07-21 12:55:01,161 INFO L268 CegarLoopResult]: For program point L661(lines 661 665) no Hoare annotation was computed. [2020-07-21 12:55:01,161 INFO L268 CegarLoopResult]: For program point L725(lines 725 736) no Hoare annotation was computed. [2020-07-21 12:55:01,161 INFO L268 CegarLoopResult]: For program point L688(lines 688 692) no Hoare annotation was computed. [2020-07-21 12:55:01,162 INFO L268 CegarLoopResult]: For program point L686-2(lines 686 706) no Hoare annotation was computed. [2020-07-21 12:55:01,162 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 637 739) no Hoare annotation was computed. [2020-07-21 12:55:01,162 INFO L268 CegarLoopResult]: For program point L707(lines 685 708) no Hoare annotation was computed. [2020-07-21 12:55:01,162 INFO L268 CegarLoopResult]: For program point L666(lines 666 682) no Hoare annotation was computed. [2020-07-21 12:55:01,162 INFO L268 CegarLoopResult]: For program point L726(lines 726 733) no Hoare annotation was computed. [2020-07-21 12:55:01,162 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 637 739) no Hoare annotation was computed. [2020-07-21 12:55:01,162 INFO L268 CegarLoopResult]: For program point L687(lines 686 706) no Hoare annotation was computed. [2020-07-21 12:55:01,162 INFO L268 CegarLoopResult]: For program point L718(line 718) no Hoare annotation was computed. [2020-07-21 12:55:01,162 INFO L268 CegarLoopResult]: For program point L718-1(line 718) no Hoare annotation was computed. [2020-07-21 12:55:01,163 INFO L268 CegarLoopResult]: For program point L683(lines 683 724) no Hoare annotation was computed. [2020-07-21 12:55:01,163 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 887 896) no Hoare annotation was computed. [2020-07-21 12:55:01,163 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 887 896) no Hoare annotation was computed. [2020-07-21 12:55:01,163 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 887 896) no Hoare annotation was computed. [2020-07-21 12:55:01,163 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:55:01,163 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 12:55:01,163 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:55:01,163 INFO L264 CegarLoopResult]: At program point L254(line 254) 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 12:55:01,164 INFO L268 CegarLoopResult]: For program point L254-1(lines 243 259) no Hoare annotation was computed. [2020-07-21 12:55:01,164 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 243 259) no Hoare annotation was computed. [2020-07-21 12:55:01,164 INFO L268 CegarLoopResult]: For program point L250(lines 250 256) no Hoare annotation was computed. [2020-07-21 12:55:01,164 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 243 259) 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 12:55:01,164 INFO L264 CegarLoopResult]: At program point L248(line 248) 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 12:55:01,164 INFO L268 CegarLoopResult]: For program point L248-1(line 248) no Hoare annotation was computed. [2020-07-21 12:55:01,164 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 324 342) no Hoare annotation was computed. [2020-07-21 12:55:01,164 INFO L268 CegarLoopResult]: For program point L333(lines 333 337) no Hoare annotation was computed. [2020-07-21 12:55:01,165 INFO L271 CegarLoopResult]: At program point L331(line 331) the Hoare annotation is: true [2020-07-21 12:55:01,165 INFO L268 CegarLoopResult]: For program point L333-2(lines 333 337) no Hoare annotation was computed. [2020-07-21 12:55:01,165 INFO L268 CegarLoopResult]: For program point L331-1(line 331) no Hoare annotation was computed. [2020-07-21 12:55:01,165 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 324 342) the Hoare annotation is: true [2020-07-21 12:55:01,165 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 324 342) no Hoare annotation was computed. [2020-07-21 12:55:01,165 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 434 442) the Hoare annotation is: true [2020-07-21 12:55:01,165 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 434 442) no Hoare annotation was computed. [2020-07-21 12:55:01,165 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 434 442) no Hoare annotation was computed. [2020-07-21 12:55:01,165 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 390 401) the Hoare annotation is: true [2020-07-21 12:55:01,165 INFO L268 CegarLoopResult]: For program point L394-1(lines 390 401) no Hoare annotation was computed. [2020-07-21 12:55:01,166 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 390 401) no Hoare annotation was computed. [2020-07-21 12:55:01,166 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:55:01,166 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 12:55:01,166 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:55:01,166 INFO L268 CegarLoopResult]: For program point L128(lines 126 148) no Hoare annotation was computed. [2020-07-21 12:55:01,166 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 123 149) 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 12:55:01,167 INFO L264 CegarLoopResult]: At program point L139(line 139) 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 12:55:01,167 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 123 149) no Hoare annotation was computed. [2020-07-21 12:55:01,167 INFO L264 CegarLoopResult]: At program point L137(lines 137 143) 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 12:55:01,167 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 123 149) no Hoare annotation was computed. [2020-07-21 12:55:01,167 INFO L264 CegarLoopResult]: At program point L132(line 132) 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 12:55:01,167 INFO L268 CegarLoopResult]: For program point L130(lines 126 148) no Hoare annotation was computed. [2020-07-21 12:55:01,167 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 931 960) no Hoare annotation was computed. [2020-07-21 12:55:01,167 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 931 960) the Hoare annotation is: true [2020-07-21 12:55:01,168 INFO L271 CegarLoopResult]: At program point L956(lines 931 960) the Hoare annotation is: true [2020-07-21 12:55:01,168 INFO L268 CegarLoopResult]: For program point L952(line 952) no Hoare annotation was computed. [2020-07-21 12:55:01,168 INFO L268 CegarLoopResult]: For program point L945(lines 945 949) no Hoare annotation was computed. [2020-07-21 12:55:01,168 INFO L271 CegarLoopResult]: At program point L945-1(lines 945 949) the Hoare annotation is: true [2020-07-21 12:55:01,168 INFO L268 CegarLoopResult]: For program point L942(line 942) no Hoare annotation was computed. [2020-07-21 12:55:01,168 INFO L271 CegarLoopResult]: At program point L941-2(lines 941 955) the Hoare annotation is: true [2020-07-21 12:55:01,168 INFO L271 CegarLoopResult]: At program point L937(line 937) the Hoare annotation is: true [2020-07-21 12:55:01,168 INFO L268 CegarLoopResult]: For program point L937-1(line 937) no Hoare annotation was computed. [2020-07-21 12:55:01,169 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 402 410) the Hoare annotation is: true [2020-07-21 12:55:01,169 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 402 410) no Hoare annotation was computed. [2020-07-21 12:55:01,169 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 402 410) no Hoare annotation was computed. [2020-07-21 12:55:01,169 INFO L268 CegarLoopResult]: For program point L370-1(lines 366 377) no Hoare annotation was computed. [2020-07-21 12:55:01,169 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 366 377) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2 .cse3))) [2020-07-21 12:55:01,169 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 366 377) no Hoare annotation was computed. [2020-07-21 12:55:01,169 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 985 991) no Hoare annotation was computed. [2020-07-21 12:55:01,169 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 985 991) the Hoare annotation is: true [2020-07-21 12:55:01,169 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:55:01,170 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 12:55:01,170 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 12:55:01,170 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:55:01,170 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 158 182) 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 12:55:01,170 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 158 182) no Hoare annotation was computed. [2020-07-21 12:55:01,170 INFO L264 CegarLoopResult]: At program point L177(line 177) 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 12:55:01,170 INFO L268 CegarLoopResult]: For program point L177-1(lines 158 182) no Hoare annotation was computed. [2020-07-21 12:55:01,171 INFO L264 CegarLoopResult]: At program point L172(line 172) 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 (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 12:55:01,171 INFO L264 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 1)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (<= ~waterLevel~0 2)) .cse2 (= 0 ~pumpRunning~0)) (or .cse0 .cse2 .cse1))) [2020-07-21 12:55:01,171 INFO L268 CegarLoopResult]: For program point L166(lines 166 174) no Hoare annotation was computed. [2020-07-21 12:55:01,171 INFO L264 CegarLoopResult]: At program point L164(line 164) 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 12:55:01,171 INFO L268 CegarLoopResult]: For program point L164-1(line 164) no Hoare annotation was computed. [2020-07-21 12:55:01,171 INFO L268 CegarLoopResult]: For program point L162(lines 162 179) no Hoare annotation was computed. [2020-07-21 12:55:01,171 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 378 389) no Hoare annotation was computed. [2020-07-21 12:55:01,171 INFO L268 CegarLoopResult]: For program point L382-1(lines 378 389) no Hoare annotation was computed. [2020-07-21 12:55:01,172 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 378 389) 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 12:55:01,172 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 921 928) no Hoare annotation was computed. [2020-07-21 12:55:01,172 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 925) no Hoare annotation was computed. [2020-07-21 12:55:01,172 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 921 928) the Hoare annotation is: true [2020-07-21 12:55:01,172 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 921 928) no Hoare annotation was computed. [2020-07-21 12:55:01,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 12:55:01 BoogieIcfgContainer [2020-07-21 12:55:01,199 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 12:55:01,201 INFO L168 Benchmark]: Toolchain (without parser) took 16988.84 ms. Allocated memory was 146.8 MB in the beginning and 429.4 MB in the end (delta: 282.6 MB). Free memory was 103.7 MB in the beginning and 207.1 MB in the end (delta: -103.4 MB). Peak memory consumption was 254.3 MB. Max. memory is 7.1 GB. [2020-07-21 12:55:01,201 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 146.8 MB. Free memory was 123.0 MB in the beginning and 122.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 12:55:01,202 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.06 ms. Allocated memory was 146.8 MB in the beginning and 203.9 MB in the end (delta: 57.1 MB). Free memory was 103.2 MB in the beginning and 170.8 MB in the end (delta: -67.6 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2020-07-21 12:55:01,203 INFO L168 Benchmark]: Boogie Preprocessor took 99.12 ms. Allocated memory is still 203.9 MB. Free memory was 170.8 MB in the beginning and 166.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2020-07-21 12:55:01,204 INFO L168 Benchmark]: RCFGBuilder took 1207.69 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 166.3 MB in the beginning and 187.5 MB in the end (delta: -21.2 MB). Peak memory consumption was 79.4 MB. Max. memory is 7.1 GB. [2020-07-21 12:55:01,205 INFO L168 Benchmark]: TraceAbstraction took 14998.07 ms. Allocated memory was 234.9 MB in the beginning and 429.4 MB in the end (delta: 194.5 MB). Free memory was 187.5 MB in the beginning and 207.1 MB in the end (delta: -19.6 MB). Peak memory consumption was 250.0 MB. Max. memory is 7.1 GB. [2020-07-21 12:55:01,209 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 146.8 MB. Free memory was 123.0 MB in the beginning and 122.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 678.06 ms. Allocated memory was 146.8 MB in the beginning and 203.9 MB in the end (delta: 57.1 MB). Free memory was 103.2 MB in the beginning and 170.8 MB in the end (delta: -67.6 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.12 ms. Allocated memory is still 203.9 MB. Free memory was 170.8 MB in the beginning and 166.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1207.69 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 166.3 MB in the beginning and 187.5 MB in the end (delta: -21.2 MB). Peak memory consumption was 79.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14998.07 ms. Allocated memory was 234.9 MB in the beginning and 429.4 MB in the end (delta: 194.5 MB). Free memory was 187.5 MB in the beginning and 207.1 MB in the end (delta: -19.6 MB). Peak memory consumption was 250.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 925]: 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: 54]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || (((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= pumpRunning)) || !(1 <= systemActive)) || !(0 == \old(pumpRunning))) || ((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0)) || (((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= pumpRunning) - InvariantResult [Line: 931]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= systemActive) - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 262 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.0s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2117 SDtfs, 1506 SDslu, 3611 SDs, 0 SdLazy, 2022 SolverSat, 597 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1231 GetRequests, 1169 SyntacticMatches, 6 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=537occurred 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: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 192 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 1056 PreInvPairs, 1131 NumberOfFragments, 1770 HoareAnnotationTreeSize, 1056 FomulaSimplifications, 1330 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 72 FomulaSimplificationsInter, 8216 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1024 NumberOfCodeBlocks, 929 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1206 ConstructedInterpolants, 0 QuantifiedInterpolants, 291513 SizeOfPredicates, 23 NumberOfNonLiveVariables, 7659 ConjunctsInSsa, 79 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 109/135 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...