/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 13:03:04,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 13:03:04,089 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 13:03:04,107 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 13:03:04,108 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 13:03:04,110 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 13:03:04,112 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 13:03:04,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 13:03:04,127 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 13:03:04,128 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 13:03:04,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 13:03:04,132 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 13:03:04,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 13:03:04,134 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 13:03:04,135 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 13:03:04,137 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 13:03:04,137 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 13:03:04,138 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 13:03:04,140 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 13:03:04,141 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 13:03:04,143 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 13:03:04,144 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 13:03:04,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 13:03:04,146 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 13:03:04,148 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 13:03:04,148 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 13:03:04,149 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 13:03:04,149 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 13:03:04,150 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 13:03:04,151 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 13:03:04,151 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 13:03:04,152 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 13:03:04,152 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 13:03:04,153 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 13:03:04,154 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 13:03:04,154 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 13:03:04,155 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 13:03:04,155 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 13:03:04,156 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 13:03:04,156 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 13:03:04,157 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 13:03:04,158 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 13:03:04,172 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 13:03:04,172 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 13:03:04,173 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 13:03:04,174 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 13:03:04,174 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 13:03:04,174 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 13:03:04,174 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 13:03:04,174 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 13:03:04,175 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 13:03:04,175 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 13:03:04,175 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 13:03:04,175 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 13:03:04,175 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 13:03:04,176 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 13:03:04,176 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 13:03:04,176 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 13:03:04,176 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 13:03:04,176 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 13:03:04,177 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 13:03:04,177 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 13:03:04,177 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 13:03:04,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:03:04,177 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 13:03:04,178 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 13:03:04,178 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 13:03:04,178 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 13:03:04,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:04,178 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 13:03:04,178 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 13:03:04,179 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 13:03:04,452 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 13:03:04,465 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 13:03:04,468 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 13:03:04,469 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 13:03:04,470 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 13:03:04,470 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product02.cil.c [2020-07-20 13:03:04,527 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44b9ee935/99871f9331bc479aa5e8588df3125ea1/FLAG643959e03 [2020-07-20 13:03:05,017 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 13:03:05,018 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product02.cil.c [2020-07-20 13:03:05,034 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44b9ee935/99871f9331bc479aa5e8588df3125ea1/FLAG643959e03 [2020-07-20 13:03:05,355 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44b9ee935/99871f9331bc479aa5e8588df3125ea1 [2020-07-20 13:03:05,365 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 13:03:05,369 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 13:03:05,370 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 13:03:05,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 13:03:05,374 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 13:03:05,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:03:05" (1/1) ... [2020-07-20 13:03:05,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a81ee7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:05, skipping insertion in model container [2020-07-20 13:03:05,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:03:05" (1/1) ... [2020-07-20 13:03:05,387 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 13:03:05,427 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 13:03:05,892 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:03:05,905 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 13:03:05,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:03:06,013 INFO L208 MainTranslator]: Completed translation [2020-07-20 13:03:06,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:06 WrapperNode [2020-07-20 13:03:06,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 13:03:06,014 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 13:03:06,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 13:03:06,014 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 13:03:06,027 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:06" (1/1) ... [2020-07-20 13:03:06,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:06" (1/1) ... [2020-07-20 13:03:06,046 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:06" (1/1) ... [2020-07-20 13:03:06,046 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:06" (1/1) ... [2020-07-20 13:03:06,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:06" (1/1) ... [2020-07-20 13:03:06,088 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:06" (1/1) ... [2020-07-20 13:03:06,094 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:06" (1/1) ... [2020-07-20 13:03:06,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 13:03:06,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 13:03:06,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 13:03:06,102 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 13:03:06,103 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:03:06,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 13:03:06,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 13:03:06,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 13:03:06,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 13:03:06,167 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 13:03:06,167 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 13:03:06,167 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 13:03:06,167 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 13:03:06,167 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 13:03:06,167 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 13:03:06,168 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 13:03:06,168 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 13:03:06,168 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 13:03:06,168 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 13:03:06,168 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 13:03:06,168 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 13:03:06,169 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 13:03:06,169 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 13:03:06,169 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 13:03:06,169 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 13:03:06,169 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 13:03:06,169 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 13:03:06,170 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 13:03:06,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-20 13:03:06,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 13:03:06,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 13:03:06,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 13:03:06,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 13:03:06,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 13:03:06,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 13:03:06,171 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 13:03:06,171 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 13:03:06,171 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 13:03:06,171 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 13:03:06,171 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 13:03:06,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 13:03:06,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 13:03:06,172 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 13:03:06,172 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 13:03:06,172 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 13:03:06,172 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 13:03:06,173 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 13:03:06,173 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 13:03:06,173 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 13:03:06,173 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 13:03:06,173 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 13:03:06,173 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 13:03:06,174 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 13:03:06,174 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 13:03:06,174 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 13:03:06,174 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 13:03:06,174 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 13:03:06,174 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-20 13:03:06,174 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 13:03:06,175 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 13:03:06,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 13:03:06,175 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 13:03:06,175 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 13:03:06,175 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 13:03:06,175 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 13:03:06,176 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 13:03:06,176 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 13:03:06,176 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 13:03:06,176 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 13:03:06,176 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 13:03:06,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 13:03:06,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 13:03:06,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 13:03:06,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 13:03:06,177 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 13:03:06,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 13:03:06,177 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 13:03:06,177 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 13:03:06,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 13:03:06,178 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 13:03:06,178 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 13:03:06,178 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 13:03:06,178 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 13:03:06,178 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 13:03:06,179 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 13:03:06,179 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 13:03:06,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 13:03:06,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 13:03:06,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 13:03:07,203 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 13:03:07,203 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 13:03:07,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:03:07 BoogieIcfgContainer [2020-07-20 13:03:07,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 13:03:07,210 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 13:03:07,210 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 13:03:07,213 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 13:03:07,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:03:05" (1/3) ... [2020-07-20 13:03:07,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29a9e46a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:03:07, skipping insertion in model container [2020-07-20 13:03:07,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:06" (2/3) ... [2020-07-20 13:03:07,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29a9e46a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:03:07, skipping insertion in model container [2020-07-20 13:03:07,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:03:07" (3/3) ... [2020-07-20 13:03:07,217 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product02.cil.c [2020-07-20 13:03:07,228 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 13:03:07,237 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 13:03:07,251 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 13:03:07,277 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 13:03:07,277 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 13:03:07,277 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 13:03:07,277 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 13:03:07,278 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 13:03:07,278 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 13:03:07,278 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 13:03:07,278 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 13:03:07,301 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2020-07-20 13:03:07,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-20 13:03:07,310 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:07,311 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:03:07,311 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:07,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:07,318 INFO L82 PathProgramCache]: Analyzing trace with hash 985009112, now seen corresponding path program 1 times [2020-07-20 13:03:07,327 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:07,327 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1089607243] [2020-07-20 13:03:07,328 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:07,833 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:03:07,834 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:07,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 13:03:07,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:07,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:03:07,880 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:07,881 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1089607243] [2020-07-20 13:03:07,882 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:07,882 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 13:03:07,883 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496014875] [2020-07-20 13:03:07,888 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 13:03:07,889 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:07,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 13:03:07,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:03:07,906 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 2 states. [2020-07-20 13:03:07,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:07,942 INFO L93 Difference]: Finished difference Result 170 states and 213 transitions. [2020-07-20 13:03:07,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 13:03:07,944 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-20 13:03:07,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:07,954 INFO L225 Difference]: With dead ends: 170 [2020-07-20 13:03:07,954 INFO L226 Difference]: Without dead ends: 85 [2020-07-20 13:03:07,958 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:03:07,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-07-20 13:03:08,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2020-07-20 13:03:08,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-07-20 13:03:08,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 98 transitions. [2020-07-20 13:03:08,009 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 98 transitions. Word has length 46 [2020-07-20 13:03:08,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:08,010 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 98 transitions. [2020-07-20 13:03:08,010 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 13:03:08,010 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 98 transitions. [2020-07-20 13:03:08,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-20 13:03:08,014 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:08,014 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:03:08,228 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:08,228 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:08,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:08,229 INFO L82 PathProgramCache]: Analyzing trace with hash -2101459879, now seen corresponding path program 1 times [2020-07-20 13:03:08,230 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:08,231 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1400852639] [2020-07-20 13:03:08,231 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:08,703 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:03:08,704 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:08,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 13:03:08,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:08,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:03:08,770 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:08,770 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1400852639] [2020-07-20 13:03:08,771 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:08,771 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:03:08,771 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667563000] [2020-07-20 13:03:08,773 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:03:08,774 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:08,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:03:08,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:03:08,775 INFO L87 Difference]: Start difference. First operand 85 states and 98 transitions. Second operand 3 states. [2020-07-20 13:03:08,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:08,807 INFO L93 Difference]: Finished difference Result 115 states and 131 transitions. [2020-07-20 13:03:08,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:03:08,808 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-20 13:03:08,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:08,811 INFO L225 Difference]: With dead ends: 115 [2020-07-20 13:03:08,811 INFO L226 Difference]: Without dead ends: 76 [2020-07-20 13:03:08,812 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:03:08,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-07-20 13:03:08,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2020-07-20 13:03:08,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-07-20 13:03:08,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 86 transitions. [2020-07-20 13:03:08,836 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 86 transitions. Word has length 47 [2020-07-20 13:03:08,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:08,836 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 86 transitions. [2020-07-20 13:03:08,836 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:03:08,836 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2020-07-20 13:03:08,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 13:03:08,841 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:08,841 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:03:09,055 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:09,056 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:09,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:09,056 INFO L82 PathProgramCache]: Analyzing trace with hash -727692587, now seen corresponding path program 1 times [2020-07-20 13:03:09,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:09,057 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1754228164] [2020-07-20 13:03:09,057 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:09,505 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:03:09,505 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:09,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 13:03:09,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:09,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:03:09,545 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:09,546 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1754228164] [2020-07-20 13:03:09,546 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:09,546 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:03:09,547 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661729290] [2020-07-20 13:03:09,547 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:03:09,547 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:09,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:03:09,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:03:09,548 INFO L87 Difference]: Start difference. First operand 76 states and 86 transitions. Second operand 3 states. [2020-07-20 13:03:09,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:09,576 INFO L93 Difference]: Finished difference Result 128 states and 149 transitions. [2020-07-20 13:03:09,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:03:09,578 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 13:03:09,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:09,580 INFO L225 Difference]: With dead ends: 128 [2020-07-20 13:03:09,580 INFO L226 Difference]: Without dead ends: 76 [2020-07-20 13:03:09,581 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:03:09,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-07-20 13:03:09,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2020-07-20 13:03:09,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-07-20 13:03:09,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2020-07-20 13:03:09,600 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 52 [2020-07-20 13:03:09,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:09,601 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 85 transitions. [2020-07-20 13:03:09,601 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:03:09,601 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2020-07-20 13:03:09,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-07-20 13:03:09,603 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:09,603 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] [2020-07-20 13:03:09,803 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:09,804 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:09,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:09,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1037705015, now seen corresponding path program 1 times [2020-07-20 13:03:09,805 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:09,806 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1637127732] [2020-07-20 13:03:09,806 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:10,321 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:03:10,322 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:10,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-20 13:03:10,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:10,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:03:10,389 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:10,389 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1637127732] [2020-07-20 13:03:10,389 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:10,389 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:03:10,390 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68623684] [2020-07-20 13:03:10,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:03:10,390 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:10,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:03:10,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:03:10,391 INFO L87 Difference]: Start difference. First operand 76 states and 85 transitions. Second operand 6 states. [2020-07-20 13:03:10,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:10,567 INFO L93 Difference]: Finished difference Result 169 states and 202 transitions. [2020-07-20 13:03:10,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:03:10,568 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2020-07-20 13:03:10,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:10,574 INFO L225 Difference]: With dead ends: 169 [2020-07-20 13:03:10,574 INFO L226 Difference]: Without dead ends: 117 [2020-07-20 13:03:10,578 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:03:10,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-07-20 13:03:10,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2020-07-20 13:03:10,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-07-20 13:03:10,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 136 transitions. [2020-07-20 13:03:10,597 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 136 transitions. Word has length 55 [2020-07-20 13:03:10,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:10,598 INFO L479 AbstractCegarLoop]: Abstraction has 117 states and 136 transitions. [2020-07-20 13:03:10,598 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:03:10,598 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 136 transitions. [2020-07-20 13:03:10,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 13:03:10,600 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:10,600 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:03:10,814 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:10,815 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:10,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:10,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1822718639, now seen corresponding path program 1 times [2020-07-20 13:03:10,816 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:10,817 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1211976933] [2020-07-20 13:03:10,817 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:10,954 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 13:03:10,954 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:10,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 13:03:10,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:10,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:03:10,978 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:10,978 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1211976933] [2020-07-20 13:03:10,979 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:10,979 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:03:10,979 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530113444] [2020-07-20 13:03:10,979 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:03:10,980 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:10,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:03:10,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:03:10,980 INFO L87 Difference]: Start difference. First operand 117 states and 136 transitions. Second operand 3 states. [2020-07-20 13:03:10,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:10,989 INFO L93 Difference]: Finished difference Result 156 states and 183 transitions. [2020-07-20 13:03:10,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:03:10,990 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2020-07-20 13:03:10,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:10,991 INFO L225 Difference]: With dead ends: 156 [2020-07-20 13:03:10,991 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 13:03:10,992 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:03:10,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 13:03:10,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 13:03:10,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 13:03:10,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 13:03:10,993 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2020-07-20 13:03:10,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:10,994 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 13:03:10,994 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:03:10,994 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 13:03:10,994 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 13:03:11,204 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:11,207 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 13:03:11,936 INFO L268 CegarLoopResult]: For program point L472(lines 472 476) no Hoare annotation was computed. [2020-07-20 13:03:11,936 INFO L268 CegarLoopResult]: For program point L472-1(lines 472 476) no Hoare annotation was computed. [2020-07-20 13:03:11,936 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-20 13:03:11,937 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 441 496) no Hoare annotation was computed. [2020-07-20 13:03:11,937 INFO L268 CegarLoopResult]: For program point L466-2(lines 466 487) no Hoare annotation was computed. [2020-07-20 13:03:11,937 INFO L268 CegarLoopResult]: For program point L488(lines 465 489) no Hoare annotation was computed. [2020-07-20 13:03:11,937 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 441 496) no Hoare annotation was computed. [2020-07-20 13:03:11,937 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 441 496) no Hoare annotation was computed. [2020-07-20 13:03:11,937 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-07-20 13:03:11,938 INFO L268 CegarLoopResult]: For program point L542-1(line 542) no Hoare annotation was computed. [2020-07-20 13:03:11,938 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 497 556) no Hoare annotation was computed. [2020-07-20 13:03:11,938 INFO L268 CegarLoopResult]: For program point L529(lines 529 533) no Hoare annotation was computed. [2020-07-20 13:03:11,938 INFO L268 CegarLoopResult]: For program point L529-1(lines 529 533) no Hoare annotation was computed. [2020-07-20 13:03:11,938 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 497 556) no Hoare annotation was computed. [2020-07-20 13:03:11,938 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-07-20 13:03:11,938 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 497 556) no Hoare annotation was computed. [2020-07-20 13:03:11,938 INFO L268 CegarLoopResult]: For program point L523-2(lines 523 548) no Hoare annotation was computed. [2020-07-20 13:03:11,938 INFO L268 CegarLoopResult]: For program point L549(lines 522 550) no Hoare annotation was computed. [2020-07-20 13:03:11,939 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2020-07-20 13:03:11,939 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2020-07-20 13:03:11,939 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2020-07-20 13:03:11,939 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2020-07-20 13:03:11,939 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2020-07-20 13:03:11,939 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 363 387) the Hoare annotation is: true [2020-07-20 13:03:11,939 INFO L264 CegarLoopResult]: At program point L377(line 377) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-20 13:03:11,940 INFO L268 CegarLoopResult]: For program point L375(lines 375 381) no Hoare annotation was computed. [2020-07-20 13:03:11,940 INFO L264 CegarLoopResult]: At program point L373(line 373) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-20 13:03:11,940 INFO L268 CegarLoopResult]: For program point L373-1(line 373) no Hoare annotation was computed. [2020-07-20 13:03:11,940 INFO L268 CegarLoopResult]: For program point L371(lines 371 384) no Hoare annotation was computed. [2020-07-20 13:03:11,940 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 363 387) no Hoare annotation was computed. [2020-07-20 13:03:11,940 INFO L268 CegarLoopResult]: For program point L371-1(lines 363 387) no Hoare annotation was computed. [2020-07-20 13:03:11,940 INFO L271 CegarLoopResult]: At program point L369(line 369) the Hoare annotation is: true [2020-07-20 13:03:11,940 INFO L268 CegarLoopResult]: For program point L369-1(line 369) no Hoare annotation was computed. [2020-07-20 13:03:11,941 INFO L264 CegarLoopResult]: At program point L833(line 833) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:11,941 INFO L264 CegarLoopResult]: At program point L833-1(line 833) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:11,941 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 827 849) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:11,941 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 827 849) no Hoare annotation was computed. [2020-07-20 13:03:11,941 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 827 849) no Hoare annotation was computed. [2020-07-20 13:03:11,941 INFO L264 CegarLoopResult]: At program point L839(line 839) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:11,942 INFO L264 CegarLoopResult]: At program point L839-1(line 839) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:11,942 INFO L268 CegarLoopResult]: For program point L837(lines 837 844) no Hoare annotation was computed. [2020-07-20 13:03:11,942 INFO L268 CegarLoopResult]: For program point L837-1(lines 837 844) no Hoare annotation was computed. [2020-07-20 13:03:11,942 INFO L268 CegarLoopResult]: For program point L835(line 835) no Hoare annotation was computed. [2020-07-20 13:03:11,942 INFO L264 CegarLoopResult]: At program point L834(line 834) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:11,942 INFO L268 CegarLoopResult]: For program point L801(line 801) no Hoare annotation was computed. [2020-07-20 13:03:11,942 INFO L268 CegarLoopResult]: For program point L800(line 800) no Hoare annotation was computed. [2020-07-20 13:03:11,942 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 786 809) no Hoare annotation was computed. [2020-07-20 13:03:11,943 INFO L268 CegarLoopResult]: For program point L799(line 799) no Hoare annotation was computed. [2020-07-20 13:03:11,943 INFO L268 CegarLoopResult]: For program point L798(line 798) no Hoare annotation was computed. [2020-07-20 13:03:11,943 INFO L268 CegarLoopResult]: For program point L797(line 797) no Hoare annotation was computed. [2020-07-20 13:03:11,943 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 786 809) no Hoare annotation was computed. [2020-07-20 13:03:11,943 INFO L268 CegarLoopResult]: For program point L796(line 796) no Hoare annotation was computed. [2020-07-20 13:03:11,943 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 786 809) no Hoare annotation was computed. [2020-07-20 13:03:11,943 INFO L268 CegarLoopResult]: For program point L795(line 795) no Hoare annotation was computed. [2020-07-20 13:03:11,943 INFO L268 CegarLoopResult]: For program point L794(line 794) no Hoare annotation was computed. [2020-07-20 13:03:11,944 INFO L268 CegarLoopResult]: For program point L793(line 793) no Hoare annotation was computed. [2020-07-20 13:03:11,944 INFO L268 CegarLoopResult]: For program point L792(line 792) no Hoare annotation was computed. [2020-07-20 13:03:11,944 INFO L268 CegarLoopResult]: For program point L791(line 791) no Hoare annotation was computed. [2020-07-20 13:03:11,944 INFO L268 CegarLoopResult]: For program point L804(line 804) no Hoare annotation was computed. [2020-07-20 13:03:11,944 INFO L268 CegarLoopResult]: For program point L803(line 803) no Hoare annotation was computed. [2020-07-20 13:03:11,944 INFO L268 CegarLoopResult]: For program point L802(line 802) no Hoare annotation was computed. [2020-07-20 13:03:11,944 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 158 166) no Hoare annotation was computed. [2020-07-20 13:03:11,944 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 158 166) the Hoare annotation is: true [2020-07-20 13:03:11,945 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 158 166) no Hoare annotation was computed. [2020-07-20 13:03:11,945 INFO L268 CegarLoopResult]: For program point L186(lines 186 194) no Hoare annotation was computed. [2020-07-20 13:03:11,945 INFO L268 CegarLoopResult]: For program point L186-2(lines 186 194) no Hoare annotation was computed. [2020-07-20 13:03:11,945 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 167 202) no Hoare annotation was computed. [2020-07-20 13:03:11,945 INFO L268 CegarLoopResult]: For program point L174(lines 174 182) no Hoare annotation was computed. [2020-07-20 13:03:11,945 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 182) no Hoare annotation was computed. [2020-07-20 13:03:11,945 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 167 202) no Hoare annotation was computed. [2020-07-20 13:03:11,946 INFO L268 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-07-20 13:03:11,946 INFO L268 CegarLoopResult]: For program point L197-1(line 197) no Hoare annotation was computed. [2020-07-20 13:03:11,946 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 167 202) no Hoare annotation was computed. [2020-07-20 13:03:11,946 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2020-07-20 13:03:11,946 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2020-07-20 13:03:11,946 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 395 440) no Hoare annotation was computed. [2020-07-20 13:03:11,946 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 395 440) no Hoare annotation was computed. [2020-07-20 13:03:11,946 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 395 440) no Hoare annotation was computed. [2020-07-20 13:03:11,947 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 708 753) no Hoare annotation was computed. [2020-07-20 13:03:11,947 INFO L268 CegarLoopResult]: For program point L728(lines 728 735) no Hoare annotation was computed. [2020-07-20 13:03:11,947 INFO L268 CegarLoopResult]: For program point L722(lines 722 742) no Hoare annotation was computed. [2020-07-20 13:03:11,947 INFO L268 CegarLoopResult]: For program point L722-1(lines 722 742) no Hoare annotation was computed. [2020-07-20 13:03:11,947 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 708 753) no Hoare annotation was computed. [2020-07-20 13:03:11,947 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 708 753) no Hoare annotation was computed. [2020-07-20 13:03:11,948 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 817 826) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:11,948 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 817 826) no Hoare annotation was computed. [2020-07-20 13:03:11,948 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 817 826) no Hoare annotation was computed. [2020-07-20 13:03:11,948 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 147 157) no Hoare annotation was computed. [2020-07-20 13:03:11,948 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 147 157) no Hoare annotation was computed. [2020-07-20 13:03:11,948 INFO L268 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-07-20 13:03:11,948 INFO L268 CegarLoopResult]: For program point L152-1(line 152) no Hoare annotation was computed. [2020-07-20 13:03:11,948 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 147 157) no Hoare annotation was computed. [2020-07-20 13:03:11,949 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 139 146) no Hoare annotation was computed. [2020-07-20 13:03:11,949 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 139 146) no Hoare annotation was computed. [2020-07-20 13:03:11,949 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 139 146) no Hoare annotation was computed. [2020-07-20 13:03:11,949 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 124 130) no Hoare annotation was computed. [2020-07-20 13:03:11,949 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 124 130) the Hoare annotation is: true [2020-07-20 13:03:11,949 INFO L264 CegarLoopResult]: At program point testENTRY(lines 215 280) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:11,949 INFO L268 CegarLoopResult]: For program point testFINAL(lines 215 280) no Hoare annotation was computed. [2020-07-20 13:03:11,950 INFO L264 CegarLoopResult]: At program point L273(lines 224 274) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:11,950 INFO L268 CegarLoopResult]: For program point L263(lines 263 267) no Hoare annotation was computed. [2020-07-20 13:03:11,950 INFO L264 CegarLoopResult]: At program point L263-2(lines 255 268) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (<= 1 ~waterLevel~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0))) [2020-07-20 13:03:11,950 INFO L268 CegarLoopResult]: For program point L226(lines 225 272) no Hoare annotation was computed. [2020-07-20 13:03:11,950 INFO L264 CegarLoopResult]: At program point L257(line 257) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (<= 1 ~waterLevel~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0))) [2020-07-20 13:03:11,950 INFO L268 CegarLoopResult]: For program point L255(lines 255 268) no Hoare annotation was computed. [2020-07-20 13:03:11,951 INFO L264 CegarLoopResult]: At program point L247(line 247) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (<= 1 ~waterLevel~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0))) [2020-07-20 13:03:11,951 INFO L268 CegarLoopResult]: For program point L245(lines 245 251) no Hoare annotation was computed. [2020-07-20 13:03:11,951 INFO L268 CegarLoopResult]: For program point L245-1(lines 245 251) no Hoare annotation was computed. [2020-07-20 13:03:11,951 INFO L264 CegarLoopResult]: At program point L270(lines 225 272) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (<= 1 ~waterLevel~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0))) [2020-07-20 13:03:11,951 INFO L264 CegarLoopResult]: At program point L237(line 237) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (<= 1 ~waterLevel~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0))) [2020-07-20 13:03:11,951 INFO L268 CegarLoopResult]: For program point L235(lines 235 241) no Hoare annotation was computed. [2020-07-20 13:03:11,952 INFO L268 CegarLoopResult]: For program point L235-1(lines 235 241) no Hoare annotation was computed. [2020-07-20 13:03:11,952 INFO L268 CegarLoopResult]: For program point L227(lines 227 231) no Hoare annotation was computed. [2020-07-20 13:03:11,952 INFO L268 CegarLoopResult]: For program point testEXIT(lines 215 280) no Hoare annotation was computed. [2020-07-20 13:03:11,952 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 662 707) no Hoare annotation was computed. [2020-07-20 13:03:11,952 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 662 707) no Hoare annotation was computed. [2020-07-20 13:03:11,952 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 662 707) no Hoare annotation was computed. [2020-07-20 13:03:11,952 INFO L268 CegarLoopResult]: For program point L682(lines 682 689) no Hoare annotation was computed. [2020-07-20 13:03:11,952 INFO L268 CegarLoopResult]: For program point L676(lines 676 696) no Hoare annotation was computed. [2020-07-20 13:03:11,953 INFO L268 CegarLoopResult]: For program point L676-1(lines 676 696) no Hoare annotation was computed. [2020-07-20 13:03:11,953 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 346) no Hoare annotation was computed. [2020-07-20 13:03:11,953 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 330 352) no Hoare annotation was computed. [2020-07-20 13:03:11,953 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 330 352) no Hoare annotation was computed. [2020-07-20 13:03:11,953 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 330 352) no Hoare annotation was computed. [2020-07-20 13:03:11,953 INFO L268 CegarLoopResult]: For program point L338(lines 338 346) no Hoare annotation was computed. [2020-07-20 13:03:11,953 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 53 62) no Hoare annotation was computed. [2020-07-20 13:03:11,953 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 53 62) no Hoare annotation was computed. [2020-07-20 13:03:11,954 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 53 62) no Hoare annotation was computed. [2020-07-20 13:03:11,954 INFO L268 CegarLoopResult]: For program point L609(lines 608 628) no Hoare annotation was computed. [2020-07-20 13:03:11,954 INFO L268 CegarLoopResult]: For program point L640(line 640) no Hoare annotation was computed. [2020-07-20 13:03:11,954 INFO L268 CegarLoopResult]: For program point L640-1(line 640) no Hoare annotation was computed. [2020-07-20 13:03:11,954 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 559 661) no Hoare annotation was computed. [2020-07-20 13:03:11,954 INFO L268 CegarLoopResult]: For program point L605(lines 605 646) no Hoare annotation was computed. [2020-07-20 13:03:11,954 INFO L268 CegarLoopResult]: For program point L624(line 624) no Hoare annotation was computed. [2020-07-20 13:03:11,955 INFO L268 CegarLoopResult]: For program point L624-1(line 624) no Hoare annotation was computed. [2020-07-20 13:03:11,955 INFO L268 CegarLoopResult]: For program point L583(lines 583 587) no Hoare annotation was computed. [2020-07-20 13:03:11,955 INFO L268 CegarLoopResult]: For program point L647(lines 647 658) no Hoare annotation was computed. [2020-07-20 13:03:11,955 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 559 661) no Hoare annotation was computed. [2020-07-20 13:03:11,955 INFO L268 CegarLoopResult]: For program point L610(lines 610 614) no Hoare annotation was computed. [2020-07-20 13:03:11,955 INFO L268 CegarLoopResult]: For program point L608-2(lines 608 628) no Hoare annotation was computed. [2020-07-20 13:03:11,955 INFO L268 CegarLoopResult]: For program point L629(lines 607 630) no Hoare annotation was computed. [2020-07-20 13:03:11,955 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 559 661) no Hoare annotation was computed. [2020-07-20 13:03:11,955 INFO L268 CegarLoopResult]: For program point L588(lines 588 604) no Hoare annotation was computed. [2020-07-20 13:03:11,955 INFO L268 CegarLoopResult]: For program point L648(lines 648 655) no Hoare annotation was computed. [2020-07-20 13:03:11,956 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:03:11,956 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-20 13:03:11,956 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:03:11,956 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 131 138) no Hoare annotation was computed. [2020-07-20 13:03:11,956 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 131 138) no Hoare annotation was computed. [2020-07-20 13:03:11,956 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 131 138) no Hoare annotation was computed. [2020-07-20 13:03:11,956 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 353 361) the Hoare annotation is: true [2020-07-20 13:03:11,956 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 353 361) no Hoare annotation was computed. [2020-07-20 13:03:11,956 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 353 361) no Hoare annotation was computed. [2020-07-20 13:03:11,956 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 309 320) the Hoare annotation is: true [2020-07-20 13:03:11,956 INFO L268 CegarLoopResult]: For program point L313-1(lines 309 320) no Hoare annotation was computed. [2020-07-20 13:03:11,956 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 309 320) no Hoare annotation was computed. [2020-07-20 13:03:11,957 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:03:11,957 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 13:03:11,957 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:03:11,957 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 321 329) no Hoare annotation was computed. [2020-07-20 13:03:11,957 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 321 329) no Hoare annotation was computed. [2020-07-20 13:03:11,957 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 321 329) no Hoare annotation was computed. [2020-07-20 13:03:11,957 INFO L264 CegarLoopResult]: At program point L113(line 113) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 13:03:11,958 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 100 123) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 13:03:11,958 INFO L264 CegarLoopResult]: At program point L111(lines 111 117) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 13:03:11,958 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 100 123) no Hoare annotation was computed. [2020-07-20 13:03:11,958 INFO L264 CegarLoopResult]: At program point L106(line 106) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-20 13:03:11,958 INFO L268 CegarLoopResult]: For program point L104(lines 103 122) no Hoare annotation was computed. [2020-07-20 13:03:11,958 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 100 123) no Hoare annotation was computed. [2020-07-20 13:03:11,958 INFO L271 CegarLoopResult]: At program point L770-1(lines 770 774) the Hoare annotation is: true [2020-07-20 13:03:11,959 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 756 785) no Hoare annotation was computed. [2020-07-20 13:03:11,959 INFO L268 CegarLoopResult]: For program point L767(line 767) no Hoare annotation was computed. [2020-07-20 13:03:11,959 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 756 785) the Hoare annotation is: true [2020-07-20 13:03:11,959 INFO L271 CegarLoopResult]: At program point L766-2(lines 766 780) the Hoare annotation is: true [2020-07-20 13:03:11,959 INFO L271 CegarLoopResult]: At program point L762(line 762) the Hoare annotation is: true [2020-07-20 13:03:11,959 INFO L268 CegarLoopResult]: For program point L762-1(line 762) no Hoare annotation was computed. [2020-07-20 13:03:11,959 INFO L271 CegarLoopResult]: At program point L781(lines 756 785) the Hoare annotation is: true [2020-07-20 13:03:11,959 INFO L268 CegarLoopResult]: For program point L777(line 777) no Hoare annotation was computed. [2020-07-20 13:03:11,960 INFO L268 CegarLoopResult]: For program point L770(lines 770 774) no Hoare annotation was computed. [2020-07-20 13:03:11,960 INFO L268 CegarLoopResult]: For program point L289-1(lines 285 296) no Hoare annotation was computed. [2020-07-20 13:03:11,960 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 285 296) the Hoare annotation is: true [2020-07-20 13:03:11,960 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 285 296) no Hoare annotation was computed. [2020-07-20 13:03:11,960 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 810 816) no Hoare annotation was computed. [2020-07-20 13:03:11,960 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 810 816) the Hoare annotation is: true [2020-07-20 13:03:11,960 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:03:11,960 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-20 13:03:11,961 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 13:03:11,961 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:03:11,961 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 203 210) no Hoare annotation was computed. [2020-07-20 13:03:11,961 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 203 210) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:11,961 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 203 210) no Hoare annotation was computed. [2020-07-20 13:03:11,961 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 297 308) no Hoare annotation was computed. [2020-07-20 13:03:11,961 INFO L268 CegarLoopResult]: For program point L301-1(lines 297 308) no Hoare annotation was computed. [2020-07-20 13:03:11,961 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 297 308) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 13:03:11,962 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-20 13:03:11,962 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-20 13:03:11,962 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-20 13:03:11,962 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-20 13:03:11,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:03:11 BoogieIcfgContainer [2020-07-20 13:03:11,980 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 13:03:11,983 INFO L168 Benchmark]: Toolchain (without parser) took 6614.69 ms. Allocated memory was 145.8 MB in the beginning and 277.9 MB in the end (delta: 132.1 MB). Free memory was 102.4 MB in the beginning and 176.3 MB in the end (delta: -73.9 MB). Peak memory consumption was 111.0 MB. Max. memory is 7.1 GB. [2020-07-20 13:03:11,984 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 145.8 MB. Free memory was 122.0 MB in the beginning and 121.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 13:03:11,985 INFO L168 Benchmark]: CACSL2BoogieTranslator took 643.76 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 102.0 MB in the beginning and 172.5 MB in the end (delta: -70.5 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. [2020-07-20 13:03:11,986 INFO L168 Benchmark]: Boogie Preprocessor took 87.48 ms. Allocated memory is still 203.4 MB. Free memory was 172.5 MB in the beginning and 168.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-20 13:03:11,987 INFO L168 Benchmark]: RCFGBuilder took 1106.66 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 168.4 MB in the beginning and 203.5 MB in the end (delta: -35.1 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. [2020-07-20 13:03:11,988 INFO L168 Benchmark]: TraceAbstraction took 4770.03 ms. Allocated memory was 237.0 MB in the beginning and 277.9 MB in the end (delta: 40.9 MB). Free memory was 203.5 MB in the beginning and 176.3 MB in the end (delta: 27.2 MB). Peak memory consumption was 120.9 MB. Max. memory is 7.1 GB. [2020-07-20 13:03:11,992 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 145.8 MB. Free memory was 122.0 MB in the beginning and 121.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 643.76 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 102.0 MB in the beginning and 172.5 MB in the end (delta: -70.5 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.48 ms. Allocated memory is still 203.4 MB. Free memory was 172.5 MB in the beginning and 168.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1106.66 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 168.4 MB in the beginning and 203.5 MB in the end (delta: -35.1 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4770.03 ms. Allocated memory was 237.0 MB in the beginning and 277.9 MB in the end (delta: 40.9 MB). Free memory was 203.5 MB in the beginning and 176.3 MB in the end (delta: 27.2 MB). Peak memory consumption was 120.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive))) || ((1 <= waterLevel && splverifierCounter <= 0) && 1 <= systemActive) - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 198 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 435 SDtfs, 124 SDslu, 360 SDs, 0 SdLazy, 63 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 256 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 147 PreInvPairs, 155 NumberOfFragments, 436 HoareAnnotationTreeSize, 147 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 42 FomulaSimplificationsInter, 272 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 259 NumberOfCodeBlocks, 194 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 25794 SizeOfPredicates, 12 NumberOfNonLiveVariables, 2823 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...