/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_VARIABLES --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_spec1_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 15:39:25,045 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 15:39:25,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 15:39:25,066 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 15:39:25,066 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 15:39:25,068 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 15:39:25,070 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 15:39:25,079 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 15:39:25,083 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 15:39:25,086 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 15:39:25,087 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 15:39:25,088 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 15:39:25,089 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 15:39:25,090 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 15:39:25,093 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 15:39:25,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 15:39:25,095 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 15:39:25,096 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 15:39:25,097 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 15:39:25,102 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 15:39:25,106 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 15:39:25,109 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 15:39:25,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 15:39:25,111 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 15:39:25,113 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 15:39:25,113 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 15:39:25,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 15:39:25,115 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 15:39:25,116 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 15:39:25,117 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 15:39:25,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 15:39:25,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 15:39:25,119 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 15:39:25,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 15:39:25,121 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 15:39:25,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 15:39:25,122 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 15:39:25,122 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 15:39:25,122 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 15:39:25,123 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 15:39:25,124 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 15:39:25,125 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 15:39:25,152 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 15:39:25,153 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 15:39:25,155 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 15:39:25,155 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 15:39:25,155 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 15:39:25,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 15:39:25,156 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 15:39:25,156 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 15:39:25,156 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 15:39:25,156 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 15:39:25,157 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 15:39:25,157 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 15:39:25,157 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 15:39:25,158 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 15:39:25,158 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 15:39:25,158 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 15:39:25,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 15:39:25,159 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 15:39:25,159 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 15:39:25,159 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 15:39:25,159 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 15:39:25,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 15:39:25,160 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 15:39:25,160 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 15:39:25,160 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 15:39:25,160 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 15:39:25,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:39:25,161 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 15:39:25,161 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 15:39:25,161 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_VARIABLES 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 15:39:25,447 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 15:39:25,463 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 15:39:25,466 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 15:39:25,468 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 15:39:25,468 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 15:39:25,469 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product18.cil.c [2020-07-21 15:39:25,539 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb9407452/0f29d5ca6ac1471dae50326239581031/FLAG81eb537b7 [2020-07-21 15:39:26,038 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 15:39:26,039 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product18.cil.c [2020-07-21 15:39:26,051 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb9407452/0f29d5ca6ac1471dae50326239581031/FLAG81eb537b7 [2020-07-21 15:39:26,366 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb9407452/0f29d5ca6ac1471dae50326239581031 [2020-07-21 15:39:26,375 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 15:39:26,377 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 15:39:26,378 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 15:39:26,378 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 15:39:26,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 15:39:26,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:39:26" (1/1) ... [2020-07-21 15:39:26,385 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dcb848f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:39:26, skipping insertion in model container [2020-07-21 15:39:26,385 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:39:26" (1/1) ... [2020-07-21 15:39:26,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 15:39:26,441 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 15:39:26,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 15:39:26,786 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 15:39:26,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 15:39:26,992 INFO L208 MainTranslator]: Completed translation [2020-07-21 15:39:26,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:39:26 WrapperNode [2020-07-21 15:39:26,993 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 15:39:26,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 15:39:26,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 15:39:26,994 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 15:39:27,008 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:39:26" (1/1) ... [2020-07-21 15:39:27,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:39:26" (1/1) ... [2020-07-21 15:39:27,030 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:39:26" (1/1) ... [2020-07-21 15:39:27,030 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:39:26" (1/1) ... [2020-07-21 15:39:27,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:39:26" (1/1) ... [2020-07-21 15:39:27,071 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:39:26" (1/1) ... [2020-07-21 15:39:27,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:39:26" (1/1) ... [2020-07-21 15:39:27,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 15:39:27,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 15:39:27,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 15:39:27,094 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 15:39:27,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:39:26" (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 15:39:27,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 15:39:27,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 15:39:27,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 15:39:27,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-07-21 15:39:27,172 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 15:39:27,172 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 15:39:27,172 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 15:39:27,172 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 15:39:27,173 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 15:39:27,173 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 15:39:27,174 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 15:39:27,174 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 15:39:27,174 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 15:39:27,174 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 15:39:27,174 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 15:39:27,175 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 15:39:27,175 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 15:39:27,175 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 15:39:27,176 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 15:39:27,176 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 15:39:27,176 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 15:39:27,177 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 15:39:27,177 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-21 15:39:27,177 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 15:39:27,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 15:39:27,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 15:39:27,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 15:39:27,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 15:39:27,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 15:39:27,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 15:39:27,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 15:39:27,180 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 15:39:27,181 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 15:39:27,181 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 15:39:27,181 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 15:39:27,181 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 15:39:27,181 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 15:39:27,181 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 15:39:27,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 15:39:27,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 15:39:27,182 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 15:39:27,182 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 15:39:27,182 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 15:39:27,182 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 15:39:27,182 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-07-21 15:39:27,182 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 15:39:27,183 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 15:39:27,184 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 15:39:27,184 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 15:39:27,184 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 15:39:27,184 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 15:39:27,184 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 15:39:27,185 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 15:39:27,185 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 15:39:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 15:39:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 15:39:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 15:39:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 15:39:27,187 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 15:39:27,187 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 15:39:27,187 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 15:39:27,187 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 15:39:27,187 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 15:39:27,187 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 15:39:27,188 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-21 15:39:27,188 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 15:39:27,188 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 15:39:27,188 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 15:39:27,188 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 15:39:27,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 15:39:27,188 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 15:39:27,189 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 15:39:27,189 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 15:39:27,190 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 15:39:27,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 15:39:27,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 15:39:27,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 15:39:27,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 15:39:27,191 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 15:39:27,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 15:39:27,192 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 15:39:27,192 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 15:39:27,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 15:39:27,192 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 15:39:27,192 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 15:39:27,192 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 15:39:27,193 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 15:39:27,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 15:39:27,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 15:39:27,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 15:39:28,131 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 15:39:28,131 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 15:39:28,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:39:28 BoogieIcfgContainer [2020-07-21 15:39:28,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 15:39:28,137 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 15:39:28,138 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 15:39:28,141 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 15:39:28,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 03:39:26" (1/3) ... [2020-07-21 15:39:28,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11295222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:39:28, skipping insertion in model container [2020-07-21 15:39:28,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:39:26" (2/3) ... [2020-07-21 15:39:28,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11295222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:39:28, skipping insertion in model container [2020-07-21 15:39:28,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:39:28" (3/3) ... [2020-07-21 15:39:28,144 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product18.cil.c [2020-07-21 15:39:28,155 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 15:39:28,162 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 15:39:28,176 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 15:39:28,199 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 15:39:28,199 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 15:39:28,200 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 15:39:28,200 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 15:39:28,200 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 15:39:28,200 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 15:39:28,200 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 15:39:28,200 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 15:39:28,220 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2020-07-21 15:39:28,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-21 15:39:28,228 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:39:28,229 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:39:28,230 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:39:28,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:39:28,235 INFO L82 PathProgramCache]: Analyzing trace with hash -579503405, now seen corresponding path program 1 times [2020-07-21 15:39:28,241 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:39:28,241 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1195244701] [2020-07-21 15:39:28,242 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 15:39:28,587 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:39:28,587 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:39:28,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 15:39:28,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:39:28,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:39:28,630 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:39:28,631 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1195244701] [2020-07-21 15:39:28,632 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:39:28,632 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 15:39:28,633 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625940010] [2020-07-21 15:39:28,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 15:39:28,639 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:39:28,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 15:39:28,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 15:39:28,657 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 2 states. [2020-07-21 15:39:28,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:39:28,698 INFO L93 Difference]: Finished difference Result 216 states and 267 transitions. [2020-07-21 15:39:28,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 15:39:28,700 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-21 15:39:28,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:39:28,714 INFO L225 Difference]: With dead ends: 216 [2020-07-21 15:39:28,714 INFO L226 Difference]: Without dead ends: 108 [2020-07-21 15:39:28,719 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 15:39:28,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-07-21 15:39:28,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2020-07-21 15:39:28,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-07-21 15:39:28,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 125 transitions. [2020-07-21 15:39:28,784 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 125 transitions. Word has length 46 [2020-07-21 15:39:28,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:39:28,785 INFO L479 AbstractCegarLoop]: Abstraction has 108 states and 125 transitions. [2020-07-21 15:39:28,785 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 15:39:28,785 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 125 transitions. [2020-07-21 15:39:28,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-21 15:39:28,789 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:39:28,789 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:39:29,004 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:39:29,004 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:39:29,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:39:29,004 INFO L82 PathProgramCache]: Analyzing trace with hash -1270890065, now seen corresponding path program 1 times [2020-07-21 15:39:29,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:39:29,005 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1407777331] [2020-07-21 15:39:29,005 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 15:39:29,308 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:39:29,309 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:39:29,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 15:39:29,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:39:29,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:39:29,347 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:39:29,347 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1407777331] [2020-07-21 15:39:29,347 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:39:29,347 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:39:29,348 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965797437] [2020-07-21 15:39:29,349 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:39:29,350 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:39:29,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:39:29,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:39:29,350 INFO L87 Difference]: Start difference. First operand 108 states and 125 transitions. Second operand 3 states. [2020-07-21 15:39:29,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:39:29,368 INFO L93 Difference]: Finished difference Result 161 states and 185 transitions. [2020-07-21 15:39:29,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:39:29,369 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-21 15:39:29,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:39:29,371 INFO L225 Difference]: With dead ends: 161 [2020-07-21 15:39:29,371 INFO L226 Difference]: Without dead ends: 99 [2020-07-21 15:39:29,372 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:39:29,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-07-21 15:39:29,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2020-07-21 15:39:29,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-07-21 15:39:29,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 113 transitions. [2020-07-21 15:39:29,385 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 113 transitions. Word has length 47 [2020-07-21 15:39:29,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:39:29,385 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 113 transitions. [2020-07-21 15:39:29,385 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:39:29,385 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 113 transitions. [2020-07-21 15:39:29,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-21 15:39:29,387 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:39:29,388 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:39:29,602 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:39:29,603 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:39:29,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:39:29,603 INFO L82 PathProgramCache]: Analyzing trace with hash 370634137, now seen corresponding path program 1 times [2020-07-21 15:39:29,603 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:39:29,604 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1859814327] [2020-07-21 15:39:29,604 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 15:39:29,844 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:39:29,844 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:39:29,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 15:39:29,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:39:29,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:39:29,879 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:39:29,879 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1859814327] [2020-07-21 15:39:29,879 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:39:29,879 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:39:29,880 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798603788] [2020-07-21 15:39:29,881 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:39:29,881 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:39:29,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:39:29,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:39:29,882 INFO L87 Difference]: Start difference. First operand 99 states and 113 transitions. Second operand 3 states. [2020-07-21 15:39:29,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:39:29,912 INFO L93 Difference]: Finished difference Result 174 states and 203 transitions. [2020-07-21 15:39:29,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:39:29,913 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-21 15:39:29,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:39:29,918 INFO L225 Difference]: With dead ends: 174 [2020-07-21 15:39:29,918 INFO L226 Difference]: Without dead ends: 99 [2020-07-21 15:39:29,920 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:39:29,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-07-21 15:39:29,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2020-07-21 15:39:29,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-07-21 15:39:29,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 112 transitions. [2020-07-21 15:39:29,938 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 112 transitions. Word has length 52 [2020-07-21 15:39:29,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:39:29,939 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 112 transitions. [2020-07-21 15:39:29,939 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:39:29,939 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 112 transitions. [2020-07-21 15:39:29,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-21 15:39:29,941 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:39:29,941 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:39:30,155 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:39:30,156 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:39:30,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:39:30,157 INFO L82 PathProgramCache]: Analyzing trace with hash -897507814, now seen corresponding path program 1 times [2020-07-21 15:39:30,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:39:30,158 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1053624301] [2020-07-21 15:39:30,158 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 15:39:30,412 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:39:30,412 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:39:30,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 15:39:30,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:39:30,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:39:30,463 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:39:30,464 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1053624301] [2020-07-21 15:39:30,464 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:39:30,464 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 15:39:30,464 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216477769] [2020-07-21 15:39:30,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 15:39:30,465 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:39:30,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 15:39:30,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 15:39:30,466 INFO L87 Difference]: Start difference. First operand 99 states and 112 transitions. Second operand 6 states. [2020-07-21 15:39:30,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:39:30,679 INFO L93 Difference]: Finished difference Result 151 states and 176 transitions. [2020-07-21 15:39:30,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 15:39:30,680 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2020-07-21 15:39:30,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:39:30,680 INFO L225 Difference]: With dead ends: 151 [2020-07-21 15:39:30,681 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 15:39:30,684 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 55 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 15:39:30,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 15:39:30,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 15:39:30,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 15:39:30,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 15:39:30,687 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2020-07-21 15:39:30,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:39:30,687 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 15:39:30,687 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 15:39:30,687 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 15:39:30,687 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 15:39:30,896 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:39:30,900 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 15:39:31,389 INFO L268 CegarLoopResult]: For program point L540(lines 517 541) no Hoare annotation was computed. [2020-07-21 15:39:31,389 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 493 548) no Hoare annotation was computed. [2020-07-21 15:39:31,390 INFO L268 CegarLoopResult]: For program point L524(lines 524 528) no Hoare annotation was computed. [2020-07-21 15:39:31,390 INFO L268 CegarLoopResult]: For program point L524-1(lines 524 528) no Hoare annotation was computed. [2020-07-21 15:39:31,390 INFO L268 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-07-21 15:39:31,390 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 493 548) no Hoare annotation was computed. [2020-07-21 15:39:31,390 INFO L268 CegarLoopResult]: For program point L518-2(lines 518 539) no Hoare annotation was computed. [2020-07-21 15:39:31,390 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 493 548) no Hoare annotation was computed. [2020-07-21 15:39:31,390 INFO L268 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-07-21 15:39:31,391 INFO L268 CegarLoopResult]: For program point L575-2(lines 575 600) no Hoare annotation was computed. [2020-07-21 15:39:31,391 INFO L268 CegarLoopResult]: For program point L601(lines 574 602) no Hoare annotation was computed. [2020-07-21 15:39:31,391 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 549 608) no Hoare annotation was computed. [2020-07-21 15:39:31,391 INFO L268 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-07-21 15:39:31,391 INFO L268 CegarLoopResult]: For program point L594-1(line 594) no Hoare annotation was computed. [2020-07-21 15:39:31,391 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 549 608) no Hoare annotation was computed. [2020-07-21 15:39:31,391 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 549 608) no Hoare annotation was computed. [2020-07-21 15:39:31,391 INFO L268 CegarLoopResult]: For program point L581(lines 581 585) no Hoare annotation was computed. [2020-07-21 15:39:31,392 INFO L268 CegarLoopResult]: For program point L581-1(lines 581 585) no Hoare annotation was computed. [2020-07-21 15:39:31,392 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 90 96) the Hoare annotation is: true [2020-07-21 15:39:31,392 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 90 96) no Hoare annotation was computed. [2020-07-21 15:39:31,392 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 97 105) no Hoare annotation was computed. [2020-07-21 15:39:31,392 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 97 105) the Hoare annotation is: true [2020-07-21 15:39:31,392 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 97 105) no Hoare annotation was computed. [2020-07-21 15:39:31,393 INFO L268 CegarLoopResult]: For program point L194-1(lines 194 201) no Hoare annotation was computed. [2020-07-21 15:39:31,393 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-07-21 15:39:31,393 INFO L264 CegarLoopResult]: At program point L191(line 191) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:39:31,393 INFO L264 CegarLoopResult]: At program point L190(line 190) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:39:31,393 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 184 206) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:39:31,393 INFO L264 CegarLoopResult]: At program point L190-1(line 190) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:39:31,393 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 184 206) no Hoare annotation was computed. [2020-07-21 15:39:31,394 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 184 206) no Hoare annotation was computed. [2020-07-21 15:39:31,394 INFO L264 CegarLoopResult]: At program point L196(line 196) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:39:31,394 INFO L264 CegarLoopResult]: At program point L196-1(line 196) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:39:31,394 INFO L268 CegarLoopResult]: For program point L194(lines 194 201) no Hoare annotation was computed. [2020-07-21 15:39:31,394 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-21 15:39:31,394 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 142 165) no Hoare annotation was computed. [2020-07-21 15:39:31,394 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-07-21 15:39:31,395 INFO L268 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-07-21 15:39:31,395 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-21 15:39:31,395 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 142 165) no Hoare annotation was computed. [2020-07-21 15:39:31,395 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-07-21 15:39:31,395 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 142 165) no Hoare annotation was computed. [2020-07-21 15:39:31,395 INFO L268 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-07-21 15:39:31,395 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-21 15:39:31,396 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-07-21 15:39:31,396 INFO L268 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-07-21 15:39:31,396 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-21 15:39:31,396 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-07-21 15:39:31,396 INFO L268 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-07-21 15:39:31,396 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-21 15:39:31,396 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-07-21 15:39:31,396 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 301 309) no Hoare annotation was computed. [2020-07-21 15:39:31,397 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 301 309) the Hoare annotation is: true [2020-07-21 15:39:31,397 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 301 309) no Hoare annotation was computed. [2020-07-21 15:39:31,397 INFO L271 CegarLoopResult]: At program point L353(line 353) the Hoare annotation is: true [2020-07-21 15:39:31,397 INFO L268 CegarLoopResult]: For program point L355-2(lines 355 359) no Hoare annotation was computed. [2020-07-21 15:39:31,397 INFO L268 CegarLoopResult]: For program point L353-1(line 353) no Hoare annotation was computed. [2020-07-21 15:39:31,397 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 346 364) the Hoare annotation is: true [2020-07-21 15:39:31,398 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 346 364) no Hoare annotation was computed. [2020-07-21 15:39:31,398 INFO L268 CegarLoopResult]: For program point L355(lines 355 359) no Hoare annotation was computed. [2020-07-21 15:39:31,398 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 346 364) no Hoare annotation was computed. [2020-07-21 15:39:31,398 INFO L268 CegarLoopResult]: For program point L317(lines 317 325) no Hoare annotation was computed. [2020-07-21 15:39:31,398 INFO L268 CegarLoopResult]: For program point L317-2(lines 317 325) no Hoare annotation was computed. [2020-07-21 15:39:31,398 INFO L268 CegarLoopResult]: For program point L340(line 340) no Hoare annotation was computed. [2020-07-21 15:39:31,398 INFO L268 CegarLoopResult]: For program point L340-1(line 340) no Hoare annotation was computed. [2020-07-21 15:39:31,398 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 310 345) no Hoare annotation was computed. [2020-07-21 15:39:31,399 INFO L268 CegarLoopResult]: For program point L329(lines 329 337) no Hoare annotation was computed. [2020-07-21 15:39:31,399 INFO L268 CegarLoopResult]: For program point L329-2(lines 329 337) no Hoare annotation was computed. [2020-07-21 15:39:31,399 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 310 345) no Hoare annotation was computed. [2020-07-21 15:39:31,399 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 310 345) no Hoare annotation was computed. [2020-07-21 15:39:31,399 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 83 89) no Hoare annotation was computed. [2020-07-21 15:39:31,399 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 83 89) the Hoare annotation is: true [2020-07-21 15:39:31,399 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 447 492) no Hoare annotation was computed. [2020-07-21 15:39:31,399 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 447 492) no Hoare annotation was computed. [2020-07-21 15:39:31,400 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 447 492) no Hoare annotation was computed. [2020-07-21 15:39:31,400 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 760 805) no Hoare annotation was computed. [2020-07-21 15:39:31,400 INFO L268 CegarLoopResult]: For program point L780(lines 780 787) no Hoare annotation was computed. [2020-07-21 15:39:31,400 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 760 805) no Hoare annotation was computed. [2020-07-21 15:39:31,400 INFO L268 CegarLoopResult]: For program point L774(lines 774 794) no Hoare annotation was computed. [2020-07-21 15:39:31,400 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 760 805) no Hoare annotation was computed. [2020-07-21 15:39:31,400 INFO L268 CegarLoopResult]: For program point L774-1(lines 774 794) no Hoare annotation was computed. [2020-07-21 15:39:31,401 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 174 183) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:39:31,401 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 174 183) no Hoare annotation was computed. [2020-07-21 15:39:31,401 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 174 183) no Hoare annotation was computed. [2020-07-21 15:39:31,401 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 290 300) no Hoare annotation was computed. [2020-07-21 15:39:31,401 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 290 300) no Hoare annotation was computed. [2020-07-21 15:39:31,401 INFO L268 CegarLoopResult]: For program point L295(line 295) no Hoare annotation was computed. [2020-07-21 15:39:31,401 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 290 300) no Hoare annotation was computed. [2020-07-21 15:39:31,402 INFO L268 CegarLoopResult]: For program point L295-1(line 295) no Hoare annotation was computed. [2020-07-21 15:39:31,402 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 282 289) the Hoare annotation is: true [2020-07-21 15:39:31,402 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 282 289) no Hoare annotation was computed. [2020-07-21 15:39:31,402 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 282 289) no Hoare annotation was computed. [2020-07-21 15:39:31,402 INFO L268 CegarLoopResult]: For program point L257(lines 257 265) no Hoare annotation was computed. [2020-07-21 15:39:31,402 INFO L264 CegarLoopResult]: At program point L255(line 255) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-21 15:39:31,402 INFO L268 CegarLoopResult]: For program point L255-1(line 255) no Hoare annotation was computed. [2020-07-21 15:39:31,403 INFO L268 CegarLoopResult]: For program point L253(lines 253 270) no Hoare annotation was computed. [2020-07-21 15:39:31,403 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 249 273) no Hoare annotation was computed. [2020-07-21 15:39:31,403 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 249 273) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:39:31,403 INFO L264 CegarLoopResult]: At program point L268(line 268) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:39:31,403 INFO L268 CegarLoopResult]: For program point L268-1(lines 249 273) no Hoare annotation was computed. [2020-07-21 15:39:31,403 INFO L264 CegarLoopResult]: At program point L263(line 263) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-21 15:39:31,403 INFO L264 CegarLoopResult]: At program point L259(line 259) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-21 15:39:31,404 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 241 247) no Hoare annotation was computed. [2020-07-21 15:39:31,404 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 241 247) the Hoare annotation is: true [2020-07-21 15:39:31,404 INFO L264 CegarLoopResult]: At program point testENTRY(lines 374 439) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:39:31,404 INFO L268 CegarLoopResult]: For program point testFINAL(lines 374 439) no Hoare annotation was computed. [2020-07-21 15:39:31,404 INFO L264 CegarLoopResult]: At program point L432(lines 383 433) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:39:31,404 INFO L268 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-07-21 15:39:31,405 INFO L264 CegarLoopResult]: At program point L422-2(lines 414 427) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:39:31,405 INFO L268 CegarLoopResult]: For program point L385(lines 384 431) no Hoare annotation was computed. [2020-07-21 15:39:31,405 INFO L264 CegarLoopResult]: At program point L416(line 416) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:39:31,405 INFO L268 CegarLoopResult]: For program point L414(lines 414 427) no Hoare annotation was computed. [2020-07-21 15:39:31,405 INFO L264 CegarLoopResult]: At program point L406(line 406) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:39:31,405 INFO L268 CegarLoopResult]: For program point L404(lines 404 410) no Hoare annotation was computed. [2020-07-21 15:39:31,406 INFO L268 CegarLoopResult]: For program point L404-1(lines 404 410) no Hoare annotation was computed. [2020-07-21 15:39:31,406 INFO L264 CegarLoopResult]: At program point L429(lines 384 431) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:39:31,406 INFO L264 CegarLoopResult]: At program point L396(line 396) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:39:31,406 INFO L268 CegarLoopResult]: For program point L394(lines 394 400) no Hoare annotation was computed. [2020-07-21 15:39:31,406 INFO L268 CegarLoopResult]: For program point L394-1(lines 394 400) no Hoare annotation was computed. [2020-07-21 15:39:31,406 INFO L268 CegarLoopResult]: For program point testEXIT(lines 374 439) no Hoare annotation was computed. [2020-07-21 15:39:31,406 INFO L268 CegarLoopResult]: For program point L386(lines 386 390) no Hoare annotation was computed. [2020-07-21 15:39:31,407 INFO L268 CegarLoopResult]: For program point L734(lines 734 741) no Hoare annotation was computed. [2020-07-21 15:39:31,407 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 714 759) no Hoare annotation was computed. [2020-07-21 15:39:31,407 INFO L268 CegarLoopResult]: For program point L728(lines 728 748) no Hoare annotation was computed. [2020-07-21 15:39:31,407 INFO L268 CegarLoopResult]: For program point L728-1(lines 728 748) no Hoare annotation was computed. [2020-07-21 15:39:31,407 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 714 759) no Hoare annotation was computed. [2020-07-21 15:39:31,407 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 714 759) no Hoare annotation was computed. [2020-07-21 15:39:31,407 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 896 904) no Hoare annotation was computed. [2020-07-21 15:39:31,408 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 896 904) the Hoare annotation is: true [2020-07-21 15:39:31,408 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 896 904) no Hoare annotation was computed. [2020-07-21 15:39:31,408 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 864 886) no Hoare annotation was computed. [2020-07-21 15:39:31,408 INFO L268 CegarLoopResult]: For program point L872(lines 872 880) no Hoare annotation was computed. [2020-07-21 15:39:31,408 INFO L268 CegarLoopResult]: For program point L872-2(lines 872 880) no Hoare annotation was computed. [2020-07-21 15:39:31,408 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 864 886) no Hoare annotation was computed. [2020-07-21 15:39:31,408 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 864 886) no Hoare annotation was computed. [2020-07-21 15:39:31,409 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 73 82) no Hoare annotation was computed. [2020-07-21 15:39:31,409 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 73 82) no Hoare annotation was computed. [2020-07-21 15:39:31,409 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 73 82) no Hoare annotation was computed. [2020-07-21 15:39:31,409 INFO L268 CegarLoopResult]: For program point L640(lines 640 656) no Hoare annotation was computed. [2020-07-21 15:39:31,409 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 611 713) no Hoare annotation was computed. [2020-07-21 15:39:31,409 INFO L268 CegarLoopResult]: For program point L700(lines 700 707) no Hoare annotation was computed. [2020-07-21 15:39:31,409 INFO L268 CegarLoopResult]: For program point L661(lines 660 680) no Hoare annotation was computed. [2020-07-21 15:39:31,409 INFO L268 CegarLoopResult]: For program point L692(line 692) no Hoare annotation was computed. [2020-07-21 15:39:31,410 INFO L268 CegarLoopResult]: For program point L692-1(line 692) no Hoare annotation was computed. [2020-07-21 15:39:31,410 INFO L268 CegarLoopResult]: For program point L657(lines 657 698) no Hoare annotation was computed. [2020-07-21 15:39:31,410 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 611 713) no Hoare annotation was computed. [2020-07-21 15:39:31,410 INFO L268 CegarLoopResult]: For program point L676(line 676) no Hoare annotation was computed. [2020-07-21 15:39:31,410 INFO L268 CegarLoopResult]: For program point L676-1(line 676) no Hoare annotation was computed. [2020-07-21 15:39:31,410 INFO L268 CegarLoopResult]: For program point L635(lines 635 639) no Hoare annotation was computed. [2020-07-21 15:39:31,410 INFO L268 CegarLoopResult]: For program point L699(lines 699 710) no Hoare annotation was computed. [2020-07-21 15:39:31,411 INFO L268 CegarLoopResult]: For program point L662(lines 662 666) no Hoare annotation was computed. [2020-07-21 15:39:31,411 INFO L268 CegarLoopResult]: For program point L660-2(lines 660 680) no Hoare annotation was computed. [2020-07-21 15:39:31,411 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 611 713) no Hoare annotation was computed. [2020-07-21 15:39:31,411 INFO L268 CegarLoopResult]: For program point L681(lines 659 682) no Hoare annotation was computed. [2020-07-21 15:39:31,411 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:39:31,411 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 15:39:31,411 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:39:31,411 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 274 281) no Hoare annotation was computed. [2020-07-21 15:39:31,412 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 274 281) no Hoare annotation was computed. [2020-07-21 15:39:31,412 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 274 281) no Hoare annotation was computed. [2020-07-21 15:39:31,412 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 887 895) no Hoare annotation was computed. [2020-07-21 15:39:31,412 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 887 895) no Hoare annotation was computed. [2020-07-21 15:39:31,412 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 887 895) no Hoare annotation was computed. [2020-07-21 15:39:31,412 INFO L268 CegarLoopResult]: For program point L847-1(lines 843 854) no Hoare annotation was computed. [2020-07-21 15:39:31,412 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 843 854) the Hoare annotation is: true [2020-07-21 15:39:31,412 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 843 854) no Hoare annotation was computed. [2020-07-21 15:39:31,413 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:39:31,413 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 15:39:31,413 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:39:31,413 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 855 863) the Hoare annotation is: true [2020-07-21 15:39:31,413 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 855 863) no Hoare annotation was computed. [2020-07-21 15:39:31,413 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 855 863) no Hoare annotation was computed. [2020-07-21 15:39:31,413 INFO L264 CegarLoopResult]: At program point L223(line 223) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-21 15:39:31,413 INFO L268 CegarLoopResult]: For program point L221(lines 220 239) no Hoare annotation was computed. [2020-07-21 15:39:31,414 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 217 240) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:39:31,414 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 217 240) no Hoare annotation was computed. [2020-07-21 15:39:31,414 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 217 240) no Hoare annotation was computed. [2020-07-21 15:39:31,414 INFO L264 CegarLoopResult]: At program point L230(line 230) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:39:31,414 INFO L264 CegarLoopResult]: At program point L228(lines 228 234) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:39:31,414 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 109 138) no Hoare annotation was computed. [2020-07-21 15:39:31,414 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 109 138) the Hoare annotation is: true [2020-07-21 15:39:31,415 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-21 15:39:31,415 INFO L271 CegarLoopResult]: At program point L123-1(lines 123 127) the Hoare annotation is: true [2020-07-21 15:39:31,415 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-07-21 15:39:31,415 INFO L271 CegarLoopResult]: At program point L119-2(lines 119 133) the Hoare annotation is: true [2020-07-21 15:39:31,415 INFO L271 CegarLoopResult]: At program point L115(line 115) the Hoare annotation is: true [2020-07-21 15:39:31,415 INFO L268 CegarLoopResult]: For program point L115-1(line 115) no Hoare annotation was computed. [2020-07-21 15:39:31,415 INFO L271 CegarLoopResult]: At program point L134(lines 109 138) the Hoare annotation is: true [2020-07-21 15:39:31,415 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-21 15:39:31,416 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 819 830) the Hoare annotation is: true [2020-07-21 15:39:31,416 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 819 830) no Hoare annotation was computed. [2020-07-21 15:39:31,416 INFO L268 CegarLoopResult]: For program point L823-1(lines 819 830) no Hoare annotation was computed. [2020-07-21 15:39:31,416 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 166 172) no Hoare annotation was computed. [2020-07-21 15:39:31,416 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 166 172) the Hoare annotation is: true [2020-07-21 15:39:31,416 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:39:31,416 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-21 15:39:31,416 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 15:39:31,417 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:39:31,417 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 365 372) no Hoare annotation was computed. [2020-07-21 15:39:31,417 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 365 372) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:39:31,417 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 365 372) no Hoare annotation was computed. [2020-07-21 15:39:31,417 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 831 842) no Hoare annotation was computed. [2020-07-21 15:39:31,417 INFO L271 CegarLoopResult]: At program point waterRiseENTRY(lines 831 842) the Hoare annotation is: true [2020-07-21 15:39:31,417 INFO L268 CegarLoopResult]: For program point L835-1(lines 831 842) no Hoare annotation was computed. [2020-07-21 15:39:31,417 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 807 814) no Hoare annotation was computed. [2020-07-21 15:39:31,418 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 811) no Hoare annotation was computed. [2020-07-21 15:39:31,418 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 807 814) the Hoare annotation is: true [2020-07-21 15:39:31,418 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 807 814) no Hoare annotation was computed. [2020-07-21 15:39:31,418 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2020-07-21 15:39:31,418 INFO L264 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~systemActive~0))) [2020-07-21 15:39:31,418 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2020-07-21 15:39:31,418 INFO L268 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2020-07-21 15:39:31,419 INFO L271 CegarLoopResult]: At program point L53(line 53) the Hoare annotation is: true [2020-07-21 15:39:31,419 INFO L268 CegarLoopResult]: For program point L53-1(line 53) no Hoare annotation was computed. [2020-07-21 15:39:31,419 INFO L268 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2020-07-21 15:39:31,419 INFO L268 CegarLoopResult]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2020-07-21 15:39:31,419 INFO L271 CegarLoopResult]: At program point L49(line 49) the Hoare annotation is: true [2020-07-21 15:39:31,419 INFO L268 CegarLoopResult]: For program point L49-1(line 49) no Hoare annotation was computed. [2020-07-21 15:39:31,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 03:39:31 BoogieIcfgContainer [2020-07-21 15:39:31,434 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 15:39:31,437 INFO L168 Benchmark]: Toolchain (without parser) took 5059.75 ms. Allocated memory was 138.9 MB in the beginning and 248.5 MB in the end (delta: 109.6 MB). Free memory was 101.1 MB in the beginning and 103.2 MB in the end (delta: -2.2 MB). Peak memory consumption was 107.4 MB. Max. memory is 7.1 GB. [2020-07-21 15:39:31,438 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 138.9 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 15:39:31,439 INFO L168 Benchmark]: CACSL2BoogieTranslator took 615.58 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 100.6 MB in the beginning and 174.4 MB in the end (delta: -73.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. [2020-07-21 15:39:31,440 INFO L168 Benchmark]: Boogie Preprocessor took 99.20 ms. Allocated memory is still 203.9 MB. Free memory was 174.4 MB in the beginning and 170.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-21 15:39:31,441 INFO L168 Benchmark]: RCFGBuilder took 1042.76 ms. Allocated memory was 203.9 MB in the beginning and 237.5 MB in the end (delta: 33.6 MB). Free memory was 170.0 MB in the beginning and 202.6 MB in the end (delta: -32.6 MB). Peak memory consumption was 84.9 MB. Max. memory is 7.1 GB. [2020-07-21 15:39:31,442 INFO L168 Benchmark]: TraceAbstraction took 3297.03 ms. Allocated memory was 237.5 MB in the beginning and 248.5 MB in the end (delta: 11.0 MB). Free memory was 202.6 MB in the beginning and 103.2 MB in the end (delta: 99.4 MB). Peak memory consumption was 110.4 MB. Max. memory is 7.1 GB. [2020-07-21 15:39:31,446 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 138.9 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 615.58 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 100.6 MB in the beginning and 174.4 MB in the end (delta: -73.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.20 ms. Allocated memory is still 203.9 MB. Free memory was 174.4 MB in the beginning and 170.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1042.76 ms. Allocated memory was 203.9 MB in the beginning and 237.5 MB in the end (delta: 33.6 MB). Free memory was 170.0 MB in the beginning and 202.6 MB in the end (delta: -32.6 MB). Peak memory consumption was 84.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3297.03 ms. Allocated memory was 237.5 MB in the beginning and 248.5 MB in the end (delta: 11.0 MB). Free memory was 202.6 MB in the beginning and 103.2 MB in the end (delta: 99.4 MB). Peak memory consumption was 110.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 811]: 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: 383]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(1 <= \old(systemActive)) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 384]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || ((0 == pumpRunning && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(systemActive)) - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 218 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.7s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 438 SDtfs, 152 SDslu, 295 SDs, 0 SdLazy, 52 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 203 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=154occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 163 PreInvPairs, 171 NumberOfFragments, 381 HoareAnnotationTreeSize, 163 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 51 FomulaSimplificationsInter, 204 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 205 NumberOfCodeBlocks, 205 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 201 ConstructedInterpolants, 0 QuantifiedInterpolants, 16589 SizeOfPredicates, 7 NumberOfNonLiveVariables, 2635 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...