/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_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 15:39:26,129 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 15:39:26,132 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 15:39:26,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 15:39:26,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 15:39:26,150 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 15:39:26,151 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 15:39:26,153 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 15:39:26,155 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 15:39:26,156 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 15:39:26,157 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 15:39:26,158 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 15:39:26,158 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 15:39:26,159 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 15:39:26,160 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 15:39:26,161 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 15:39:26,162 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 15:39:26,163 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 15:39:26,165 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 15:39:26,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 15:39:26,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 15:39:26,170 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 15:39:26,171 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 15:39:26,172 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 15:39:26,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 15:39:26,175 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 15:39:26,175 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 15:39:26,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 15:39:26,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 15:39:26,183 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 15:39:26,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 15:39:26,184 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 15:39:26,185 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 15:39:26,186 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 15:39:26,189 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 15:39:26,190 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 15:39:26,190 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 15:39:26,190 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 15:39:26,191 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 15:39:26,195 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 15:39:26,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 15:39:26,198 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 15:39:26,221 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 15:39:26,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 15:39:26,223 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 15:39:26,224 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 15:39:26,224 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 15:39:26,224 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 15:39:26,224 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 15:39:26,225 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 15:39:26,225 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 15:39:26,225 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 15:39:26,226 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 15:39:26,226 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 15:39:26,226 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 15:39:26,227 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 15:39:26,227 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 15:39:26,227 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 15:39:26,227 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 15:39:26,228 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 15:39:26,228 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 15:39:26,228 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 15:39:26,228 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 15:39:26,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 15:39:26,229 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 15:39:26,229 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 15:39:26,229 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 15:39:26,229 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 15:39:26,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:39:26,230 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 15:39:26,230 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 15:39:26,230 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 15:39:26,530 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 15:39:26,543 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 15:39:26,546 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 15:39:26,547 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 15:39:26,547 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 15:39:26,548 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product25.cil.c [2020-07-21 15:39:26,626 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4895de1f3/31f8d6c354aa4e4eaa90701185d43cf7/FLAG030b4b71c [2020-07-21 15:39:27,180 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 15:39:27,180 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product25.cil.c [2020-07-21 15:39:27,208 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4895de1f3/31f8d6c354aa4e4eaa90701185d43cf7/FLAG030b4b71c [2020-07-21 15:39:27,406 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4895de1f3/31f8d6c354aa4e4eaa90701185d43cf7 [2020-07-21 15:39:27,415 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 15:39:27,418 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 15:39:27,419 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 15:39:27,419 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 15:39:27,423 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 15:39:27,424 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:39:27" (1/1) ... [2020-07-21 15:39:27,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@583b330c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:39:27, skipping insertion in model container [2020-07-21 15:39:27,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:39:27" (1/1) ... [2020-07-21 15:39:27,435 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 15:39:27,498 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 15:39:27,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 15:39:27,846 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 15:39:28,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 15:39:28,052 INFO L208 MainTranslator]: Completed translation [2020-07-21 15:39:28,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:39:28 WrapperNode [2020-07-21 15:39:28,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 15:39:28,053 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 15:39:28,054 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 15:39:28,054 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 15:39:28,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:39:28" (1/1) ... [2020-07-21 15:39:28,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:39:28" (1/1) ... [2020-07-21 15:39:28,089 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:39:28" (1/1) ... [2020-07-21 15:39:28,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:39:28" (1/1) ... [2020-07-21 15:39:28,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:39:28" (1/1) ... [2020-07-21 15:39:28,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:39:28" (1/1) ... [2020-07-21 15:39:28,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:39:28" (1/1) ... [2020-07-21 15:39:28,184 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 15:39:28,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 15:39:28,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 15:39:28,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 15:39:28,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:39:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 15:39:28,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 15:39:28,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 15:39:28,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 15:39:28,305 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 15:39:28,305 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 15:39:28,306 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 15:39:28,306 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 15:39:28,306 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 15:39:28,306 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 15:39:28,306 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 15:39:28,307 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 15:39:28,307 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 15:39:28,308 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 15:39:28,308 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 15:39:28,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-07-21 15:39:28,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 15:39:28,309 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 15:39:28,309 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 15:39:28,309 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 15:39:28,310 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-21 15:39:28,310 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 15:39:28,310 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 15:39:28,310 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 15:39:28,310 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 15:39:28,311 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 15:39:28,311 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 15:39:28,312 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 15:39:28,312 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 15:39:28,312 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 15:39:28,312 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 15:39:28,313 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 15:39:28,313 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 15:39:28,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 15:39:28,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 15:39:28,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 15:39:28,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 15:39:28,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 15:39:28,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 15:39:28,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 15:39:28,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 15:39:28,314 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 15:39:28,314 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 15:39:28,315 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 15:39:28,315 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 15:39:28,315 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 15:39:28,315 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 15:39:28,317 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 15:39:28,317 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 15:39:28,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 15:39:28,318 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 15:39:28,318 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 15:39:28,318 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 15:39:28,318 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 15:39:28,319 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 15:39:28,319 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 15:39:28,319 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-07-21 15:39:28,319 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 15:39:28,320 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 15:39:28,320 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 15:39:28,320 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 15:39:28,320 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 15:39:28,321 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 15:39:28,321 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 15:39:28,321 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-21 15:39:28,321 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 15:39:28,321 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 15:39:28,321 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 15:39:28,322 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 15:39:28,322 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 15:39:28,322 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 15:39:28,322 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 15:39:28,322 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 15:39:28,323 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 15:39:28,323 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 15:39:28,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 15:39:28,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 15:39:28,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 15:39:28,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 15:39:28,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 15:39:28,325 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 15:39:28,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 15:39:28,325 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 15:39:28,326 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 15:39:28,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 15:39:28,326 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 15:39:28,326 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 15:39:28,326 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 15:39:28,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 15:39:28,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 15:39:28,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 15:39:29,385 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 15:39:29,386 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 15:39:29,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:39:29 BoogieIcfgContainer [2020-07-21 15:39:29,395 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 15:39:29,396 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 15:39:29,396 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 15:39:29,400 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 15:39:29,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 03:39:27" (1/3) ... [2020-07-21 15:39:29,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d0608ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:39:29, skipping insertion in model container [2020-07-21 15:39:29,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:39:28" (2/3) ... [2020-07-21 15:39:29,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d0608ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:39:29, skipping insertion in model container [2020-07-21 15:39:29,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:39:29" (3/3) ... [2020-07-21 15:39:29,404 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product25.cil.c [2020-07-21 15:39:29,415 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 15:39:29,425 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 15:39:29,440 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 15:39:29,463 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 15:39:29,463 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 15:39:29,463 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 15:39:29,464 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 15:39:29,464 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 15:39:29,464 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 15:39:29,464 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 15:39:29,465 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 15:39:29,487 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2020-07-21 15:39:29,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-21 15:39:29,496 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:39:29,497 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 15:39:29,498 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:39:29,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:39:29,504 INFO L82 PathProgramCache]: Analyzing trace with hash -1484220246, now seen corresponding path program 1 times [2020-07-21 15:39:29,512 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:39:29,513 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2105864849] [2020-07-21 15:39:29,513 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 15:39:29,884 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:39:29,885 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:39:29,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 15:39:29,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:39:29,934 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 15:39:29,934 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:39:29,936 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2105864849] [2020-07-21 15:39:29,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:39:29,937 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 15:39:29,938 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585540265] [2020-07-21 15:39:29,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 15:39:29,944 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:39:29,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 15:39:29,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 15:39:29,962 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 2 states. [2020-07-21 15:39:30,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:39:30,002 INFO L93 Difference]: Finished difference Result 208 states and 259 transitions. [2020-07-21 15:39:30,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 15:39:30,004 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-21 15:39:30,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:39:30,017 INFO L225 Difference]: With dead ends: 208 [2020-07-21 15:39:30,017 INFO L226 Difference]: Without dead ends: 104 [2020-07-21 15:39:30,021 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 15:39:30,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-07-21 15:39:30,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2020-07-21 15:39:30,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-07-21 15:39:30,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 121 transitions. [2020-07-21 15:39:30,077 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 121 transitions. Word has length 46 [2020-07-21 15:39:30,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:39:30,078 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 121 transitions. [2020-07-21 15:39:30,078 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 15:39:30,078 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2020-07-21 15:39:30,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-21 15:39:30,083 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:39:30,084 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 15:39:30,297 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:39:30,297 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:39:30,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:39:30,298 INFO L82 PathProgramCache]: Analyzing trace with hash -94502595, now seen corresponding path program 1 times [2020-07-21 15:39:30,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:39:30,300 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2085986857] [2020-07-21 15:39:30,300 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 15:39:30,602 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:39:30,602 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:39:30,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 15:39:30,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:39:30,649 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 15:39:30,649 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:39:30,650 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2085986857] [2020-07-21 15:39:30,650 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:39:30,650 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:39:30,650 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228964613] [2020-07-21 15:39:30,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:39:30,652 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:39:30,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:39:30,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:39:30,653 INFO L87 Difference]: Start difference. First operand 104 states and 121 transitions. Second operand 3 states. [2020-07-21 15:39:30,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:39:30,676 INFO L93 Difference]: Finished difference Result 184 states and 221 transitions. [2020-07-21 15:39:30,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:39:30,677 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-21 15:39:30,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:39:30,679 INFO L225 Difference]: With dead ends: 184 [2020-07-21 15:39:30,679 INFO L226 Difference]: Without dead ends: 104 [2020-07-21 15:39:30,681 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 15:39:30,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-07-21 15:39:30,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2020-07-21 15:39:30,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-07-21 15:39:30,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 120 transitions. [2020-07-21 15:39:30,702 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 120 transitions. Word has length 47 [2020-07-21 15:39:30,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:39:30,703 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 120 transitions. [2020-07-21 15:39:30,703 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:39:30,703 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 120 transitions. [2020-07-21 15:39:30,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-21 15:39:30,705 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:39:30,706 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] [2020-07-21 15:39:30,906 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:39:30,906 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:39:30,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:39:30,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1814316309, now seen corresponding path program 1 times [2020-07-21 15:39:30,907 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:39:30,908 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1452278478] [2020-07-21 15:39:30,908 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 15:39:31,176 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:39:31,177 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:39:31,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 15:39:31,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:39:31,227 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 15:39:31,227 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:39:31,227 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1452278478] [2020-07-21 15:39:31,228 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:39:31,228 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 15:39:31,228 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166641963] [2020-07-21 15:39:31,229 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 15:39:31,229 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:39:31,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 15:39:31,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 15:39:31,230 INFO L87 Difference]: Start difference. First operand 104 states and 120 transitions. Second operand 6 states. [2020-07-21 15:39:31,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:39:31,418 INFO L93 Difference]: Finished difference Result 161 states and 194 transitions. [2020-07-21 15:39:31,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 15:39:31,419 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2020-07-21 15:39:31,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:39:31,420 INFO L225 Difference]: With dead ends: 161 [2020-07-21 15:39:31,420 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 15:39:31,422 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 54 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 15:39:31,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 15:39:31,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 15:39:31,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 15:39:31,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 15:39:31,423 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2020-07-21 15:39:31,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:39:31,423 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 15:39:31,423 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 15:39:31,424 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 15:39:31,424 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 15:39:31,633 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:39:31,637 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 15:39:32,256 INFO L268 CegarLoopResult]: For program point L630(lines 630 634) no Hoare annotation was computed. [2020-07-21 15:39:32,256 INFO L268 CegarLoopResult]: For program point L630-1(lines 630 634) no Hoare annotation was computed. [2020-07-21 15:39:32,256 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 599 654) no Hoare annotation was computed. [2020-07-21 15:39:32,257 INFO L268 CegarLoopResult]: For program point L625(line 625) no Hoare annotation was computed. [2020-07-21 15:39:32,257 INFO L268 CegarLoopResult]: For program point L624-2(lines 624 645) no Hoare annotation was computed. [2020-07-21 15:39:32,257 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 599 654) no Hoare annotation was computed. [2020-07-21 15:39:32,257 INFO L268 CegarLoopResult]: For program point L646(lines 623 647) no Hoare annotation was computed. [2020-07-21 15:39:32,257 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 599 654) no Hoare annotation was computed. [2020-07-21 15:39:32,257 INFO L268 CegarLoopResult]: For program point L700(line 700) no Hoare annotation was computed. [2020-07-21 15:39:32,257 INFO L268 CegarLoopResult]: For program point L700-1(line 700) no Hoare annotation was computed. [2020-07-21 15:39:32,258 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 655 714) no Hoare annotation was computed. [2020-07-21 15:39:32,258 INFO L268 CegarLoopResult]: For program point L687(lines 687 691) no Hoare annotation was computed. [2020-07-21 15:39:32,258 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 655 714) no Hoare annotation was computed. [2020-07-21 15:39:32,258 INFO L268 CegarLoopResult]: For program point L687-1(lines 687 691) no Hoare annotation was computed. [2020-07-21 15:39:32,258 INFO L268 CegarLoopResult]: For program point L682(line 682) no Hoare annotation was computed. [2020-07-21 15:39:32,258 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 655 714) no Hoare annotation was computed. [2020-07-21 15:39:32,258 INFO L268 CegarLoopResult]: For program point L681-2(lines 681 706) no Hoare annotation was computed. [2020-07-21 15:39:32,259 INFO L268 CegarLoopResult]: For program point L707(lines 680 708) no Hoare annotation was computed. [2020-07-21 15:39:32,259 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 157 163) the Hoare annotation is: true [2020-07-21 15:39:32,259 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 157 163) no Hoare annotation was computed. [2020-07-21 15:39:32,259 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 164 172) no Hoare annotation was computed. [2020-07-21 15:39:32,259 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 164 172) the Hoare annotation is: true [2020-07-21 15:39:32,260 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 164 172) no Hoare annotation was computed. [2020-07-21 15:39:32,260 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 523 545) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:39:32,260 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 523 545) no Hoare annotation was computed. [2020-07-21 15:39:32,260 INFO L264 CegarLoopResult]: At program point L535(line 535) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:39:32,260 INFO L264 CegarLoopResult]: At program point L535-1(line 535) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:39:32,260 INFO L268 CegarLoopResult]: For program point L533(lines 533 540) no Hoare annotation was computed. [2020-07-21 15:39:32,261 INFO L268 CegarLoopResult]: For program point L533-1(lines 533 540) no Hoare annotation was computed. [2020-07-21 15:39:32,261 INFO L268 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-07-21 15:39:32,261 INFO L264 CegarLoopResult]: At program point L530(line 530) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:39:32,261 INFO L264 CegarLoopResult]: At program point L529(line 529) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:39:32,261 INFO L264 CegarLoopResult]: At program point L529-1(line 529) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:39:32,261 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 523 545) no Hoare annotation was computed. [2020-07-21 15:39:32,262 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 482 505) no Hoare annotation was computed. [2020-07-21 15:39:32,262 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 482 505) no Hoare annotation was computed. [2020-07-21 15:39:32,262 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 482 505) no Hoare annotation was computed. [2020-07-21 15:39:32,262 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-07-21 15:39:32,262 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-21 15:39:32,262 INFO L268 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-07-21 15:39:32,262 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-21 15:39:32,263 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-21 15:39:32,263 INFO L268 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-07-21 15:39:32,263 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-21 15:39:32,263 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-21 15:39:32,263 INFO L268 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-07-21 15:39:32,263 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-07-21 15:39:32,263 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-21 15:39:32,264 INFO L268 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-07-21 15:39:32,264 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-21 15:39:32,264 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-21 15:39:32,264 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 320 328) no Hoare annotation was computed. [2020-07-21 15:39:32,264 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 320 328) the Hoare annotation is: true [2020-07-21 15:39:32,264 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 320 328) no Hoare annotation was computed. [2020-07-21 15:39:32,264 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 365 383) the Hoare annotation is: true [2020-07-21 15:39:32,264 INFO L268 CegarLoopResult]: For program point L374(lines 374 378) no Hoare annotation was computed. [2020-07-21 15:39:32,265 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 365 383) no Hoare annotation was computed. [2020-07-21 15:39:32,265 INFO L271 CegarLoopResult]: At program point L372(line 372) the Hoare annotation is: true [2020-07-21 15:39:32,265 INFO L268 CegarLoopResult]: For program point L374-2(lines 374 378) no Hoare annotation was computed. [2020-07-21 15:39:32,265 INFO L268 CegarLoopResult]: For program point L372-1(line 372) no Hoare annotation was computed. [2020-07-21 15:39:32,265 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 365 383) no Hoare annotation was computed. [2020-07-21 15:39:32,265 INFO L268 CegarLoopResult]: For program point L348(lines 348 356) no Hoare annotation was computed. [2020-07-21 15:39:32,265 INFO L268 CegarLoopResult]: For program point L348-2(lines 348 356) no Hoare annotation was computed. [2020-07-21 15:39:32,266 INFO L268 CegarLoopResult]: For program point L336(lines 336 344) no Hoare annotation was computed. [2020-07-21 15:39:32,266 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 329 364) no Hoare annotation was computed. [2020-07-21 15:39:32,266 INFO L268 CegarLoopResult]: For program point L336-2(lines 336 344) no Hoare annotation was computed. [2020-07-21 15:39:32,266 INFO L268 CegarLoopResult]: For program point L359(line 359) no Hoare annotation was computed. [2020-07-21 15:39:32,266 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 329 364) no Hoare annotation was computed. [2020-07-21 15:39:32,266 INFO L268 CegarLoopResult]: For program point L359-1(line 359) no Hoare annotation was computed. [2020-07-21 15:39:32,266 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 329 364) no Hoare annotation was computed. [2020-07-21 15:39:32,266 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 150 156) no Hoare annotation was computed. [2020-07-21 15:39:32,267 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 150 156) the Hoare annotation is: true [2020-07-21 15:39:32,267 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 553 598) no Hoare annotation was computed. [2020-07-21 15:39:32,267 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 553 598) no Hoare annotation was computed. [2020-07-21 15:39:32,267 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 553 598) no Hoare annotation was computed. [2020-07-21 15:39:32,267 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 866 911) no Hoare annotation was computed. [2020-07-21 15:39:32,267 INFO L268 CegarLoopResult]: For program point L886(lines 886 893) no Hoare annotation was computed. [2020-07-21 15:39:32,267 INFO L268 CegarLoopResult]: For program point L880(lines 880 900) no Hoare annotation was computed. [2020-07-21 15:39:32,268 INFO L268 CegarLoopResult]: For program point L880-1(lines 880 900) no Hoare annotation was computed. [2020-07-21 15:39:32,268 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 866 911) no Hoare annotation was computed. [2020-07-21 15:39:32,268 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 866 911) no Hoare annotation was computed. [2020-07-21 15:39:32,268 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 513 522) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:39:32,268 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 513 522) no Hoare annotation was computed. [2020-07-21 15:39:32,268 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 513 522) no Hoare annotation was computed. [2020-07-21 15:39:32,269 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 309 319) no Hoare annotation was computed. [2020-07-21 15:39:32,269 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 309 319) no Hoare annotation was computed. [2020-07-21 15:39:32,269 INFO L268 CegarLoopResult]: For program point L314(line 314) no Hoare annotation was computed. [2020-07-21 15:39:32,269 INFO L268 CegarLoopResult]: For program point L314-1(line 314) no Hoare annotation was computed. [2020-07-21 15:39:32,269 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 309 319) no Hoare annotation was computed. [2020-07-21 15:39:32,269 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 301 308) the Hoare annotation is: true [2020-07-21 15:39:32,269 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 301 308) no Hoare annotation was computed. [2020-07-21 15:39:32,270 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 301 308) no Hoare annotation was computed. [2020-07-21 15:39:32,270 INFO L264 CegarLoopResult]: At program point L256(line 256) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-21 15:39:32,270 INFO L268 CegarLoopResult]: For program point L256-1(line 256) no Hoare annotation was computed. [2020-07-21 15:39:32,270 INFO L268 CegarLoopResult]: For program point L254(lines 254 271) no Hoare annotation was computed. [2020-07-21 15:39:32,270 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 250 274) no Hoare annotation was computed. [2020-07-21 15:39:32,270 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 250 274) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:39:32,270 INFO L264 CegarLoopResult]: At program point L269(line 269) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:39:32,271 INFO L268 CegarLoopResult]: For program point L269-1(lines 250 274) no Hoare annotation was computed. [2020-07-21 15:39:32,271 INFO L264 CegarLoopResult]: At program point L264(line 264) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-21 15:39:32,271 INFO L264 CegarLoopResult]: At program point L260(line 260) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-21 15:39:32,271 INFO L268 CegarLoopResult]: For program point L258(lines 258 266) no Hoare annotation was computed. [2020-07-21 15:39:32,271 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 242 248) no Hoare annotation was computed. [2020-07-21 15:39:32,271 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 242 248) the Hoare annotation is: true [2020-07-21 15:39:32,272 INFO L264 CegarLoopResult]: At program point testENTRY(lines 386 449) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:39:32,272 INFO L264 CegarLoopResult]: At program point L442(lines 395 443) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:39:32,272 INFO L268 CegarLoopResult]: For program point testFINAL(lines 386 449) no Hoare annotation was computed. [2020-07-21 15:39:32,272 INFO L268 CegarLoopResult]: For program point L432(lines 432 436) no Hoare annotation was computed. [2020-07-21 15:39:32,272 INFO L264 CegarLoopResult]: At program point L432-2(lines 426 437) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:39:32,272 INFO L268 CegarLoopResult]: For program point L397(lines 396 441) no Hoare annotation was computed. [2020-07-21 15:39:32,272 INFO L268 CegarLoopResult]: For program point L426(lines 426 437) no Hoare annotation was computed. [2020-07-21 15:39:32,273 INFO L264 CegarLoopResult]: At program point L418(line 418) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:39:32,273 INFO L268 CegarLoopResult]: For program point L416(lines 416 422) no Hoare annotation was computed. [2020-07-21 15:39:32,273 INFO L268 CegarLoopResult]: For program point L416-1(lines 416 422) no Hoare annotation was computed. [2020-07-21 15:39:32,273 INFO L264 CegarLoopResult]: At program point L408(line 408) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:39:32,273 INFO L264 CegarLoopResult]: At program point L439(lines 396 441) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:39:32,273 INFO L268 CegarLoopResult]: For program point L406(lines 406 412) no Hoare annotation was computed. [2020-07-21 15:39:32,273 INFO L268 CegarLoopResult]: For program point L406-1(lines 406 412) no Hoare annotation was computed. [2020-07-21 15:39:32,274 INFO L268 CegarLoopResult]: For program point L398(lines 398 402) no Hoare annotation was computed. [2020-07-21 15:39:32,274 INFO L268 CegarLoopResult]: For program point testEXIT(lines 386 449) no Hoare annotation was computed. [2020-07-21 15:39:32,274 INFO L268 CegarLoopResult]: For program point L834-1(lines 834 854) no Hoare annotation was computed. [2020-07-21 15:39:32,274 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 820 865) no Hoare annotation was computed. [2020-07-21 15:39:32,274 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 820 865) no Hoare annotation was computed. [2020-07-21 15:39:32,274 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 820 865) no Hoare annotation was computed. [2020-07-21 15:39:32,274 INFO L268 CegarLoopResult]: For program point L840(lines 840 847) no Hoare annotation was computed. [2020-07-21 15:39:32,274 INFO L268 CegarLoopResult]: For program point L834(lines 834 854) no Hoare annotation was computed. [2020-07-21 15:39:32,275 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 275 282) no Hoare annotation was computed. [2020-07-21 15:39:32,275 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 275 282) no Hoare annotation was computed. [2020-07-21 15:39:32,275 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 275 282) no Hoare annotation was computed. [2020-07-21 15:39:32,275 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2020-07-21 15:39:32,275 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2020-07-21 15:39:32,275 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2020-07-21 15:39:32,275 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-07-21 15:39:32,275 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-07-21 15:39:32,276 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-07-21 15:39:32,276 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-07-21 15:39:32,276 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-07-21 15:39:32,276 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 140 149) no Hoare annotation was computed. [2020-07-21 15:39:32,276 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 140 149) no Hoare annotation was computed. [2020-07-21 15:39:32,276 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 140 149) no Hoare annotation was computed. [2020-07-21 15:39:32,276 INFO L268 CegarLoopResult]: For program point L768(lines 768 772) no Hoare annotation was computed. [2020-07-21 15:39:32,277 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 717 819) no Hoare annotation was computed. [2020-07-21 15:39:32,277 INFO L268 CegarLoopResult]: For program point L766-2(lines 766 786) no Hoare annotation was computed. [2020-07-21 15:39:32,277 INFO L268 CegarLoopResult]: For program point L787(lines 765 788) no Hoare annotation was computed. [2020-07-21 15:39:32,277 INFO L268 CegarLoopResult]: For program point L746(lines 746 762) no Hoare annotation was computed. [2020-07-21 15:39:32,277 INFO L268 CegarLoopResult]: For program point L806(lines 806 813) no Hoare annotation was computed. [2020-07-21 15:39:32,277 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 717 819) no Hoare annotation was computed. [2020-07-21 15:39:32,277 INFO L268 CegarLoopResult]: For program point L767(lines 766 786) no Hoare annotation was computed. [2020-07-21 15:39:32,278 INFO L268 CegarLoopResult]: For program point L798(line 798) no Hoare annotation was computed. [2020-07-21 15:39:32,278 INFO L268 CegarLoopResult]: For program point L798-1(line 798) no Hoare annotation was computed. [2020-07-21 15:39:32,278 INFO L268 CegarLoopResult]: For program point L763(lines 763 804) no Hoare annotation was computed. [2020-07-21 15:39:32,278 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 717 819) no Hoare annotation was computed. [2020-07-21 15:39:32,278 INFO L268 CegarLoopResult]: For program point L782(line 782) no Hoare annotation was computed. [2020-07-21 15:39:32,278 INFO L268 CegarLoopResult]: For program point L782-1(line 782) no Hoare annotation was computed. [2020-07-21 15:39:32,278 INFO L268 CegarLoopResult]: For program point L741(lines 741 745) no Hoare annotation was computed. [2020-07-21 15:39:32,278 INFO L268 CegarLoopResult]: For program point L805(lines 805 816) no Hoare annotation was computed. [2020-07-21 15:39:32,279 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:39:32,279 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 15:39:32,279 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:39:32,279 INFO L268 CegarLoopResult]: For program point L289(line 289) no Hoare annotation was computed. [2020-07-21 15:39:32,279 INFO L268 CegarLoopResult]: For program point L289-1(line 289) no Hoare annotation was computed. [2020-07-21 15:39:32,279 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 284 300) no Hoare annotation was computed. [2020-07-21 15:39:32,280 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 284 300) no Hoare annotation was computed. [2020-07-21 15:39:32,280 INFO L268 CegarLoopResult]: For program point L295(line 295) no Hoare annotation was computed. [2020-07-21 15:39:32,280 INFO L268 CegarLoopResult]: For program point L295-1(lines 284 300) no Hoare annotation was computed. [2020-07-21 15:39:32,280 INFO L268 CegarLoopResult]: For program point L291(lines 291 297) no Hoare annotation was computed. [2020-07-21 15:39:32,280 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 117 125) no Hoare annotation was computed. [2020-07-21 15:39:32,280 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-07-21 15:39:32,280 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-07-21 15:39:32,280 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-07-21 15:39:32,281 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2020-07-21 15:39:32,281 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-07-21 15:39:32,281 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:39:32,281 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 15:39:32,281 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:39:32,281 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-07-21 15:39:32,281 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-07-21 15:39:32,282 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-07-21 15:39:32,282 INFO L264 CegarLoopResult]: At program point L224(line 224) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-21 15:39:32,282 INFO L268 CegarLoopResult]: For program point L222(lines 221 240) no Hoare annotation was computed. [2020-07-21 15:39:32,282 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 218 241) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:39:32,282 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 218 241) no Hoare annotation was computed. [2020-07-21 15:39:32,282 INFO L264 CegarLoopResult]: At program point L231(line 231) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:39:32,282 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 218 241) no Hoare annotation was computed. [2020-07-21 15:39:32,283 INFO L264 CegarLoopResult]: At program point L229(lines 229 235) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:39:32,283 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 452 481) no Hoare annotation was computed. [2020-07-21 15:39:32,283 INFO L271 CegarLoopResult]: At program point L477(lines 452 481) the Hoare annotation is: true [2020-07-21 15:39:32,283 INFO L264 CegarLoopResult]: At program point cleanupENTRY(lines 452 481) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:39:32,283 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-07-21 15:39:32,283 INFO L268 CegarLoopResult]: For program point L466(lines 466 470) no Hoare annotation was computed. [2020-07-21 15:39:32,283 INFO L264 CegarLoopResult]: At program point L466-1(lines 466 470) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:39:32,284 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-21 15:39:32,284 INFO L264 CegarLoopResult]: At program point L462-2(lines 462 476) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:39:32,284 INFO L264 CegarLoopResult]: At program point L458(line 458) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:39:32,284 INFO L268 CegarLoopResult]: For program point L458-1(line 458) no Hoare annotation was computed. [2020-07-21 15:39:32,284 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2020-07-21 15:39:32,284 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-07-21 15:39:32,284 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-07-21 15:39:32,285 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 506 512) no Hoare annotation was computed. [2020-07-21 15:39:32,285 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 506 512) the Hoare annotation is: true [2020-07-21 15:39:32,285 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:39:32,285 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-21 15:39:32,285 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 15:39:32,285 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:39:32,286 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-07-21 15:39:32,286 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-07-21 15:39:32,286 INFO L271 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: true [2020-07-21 15:39:32,286 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 202 209) no Hoare annotation was computed. [2020-07-21 15:39:32,287 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 206) no Hoare annotation was computed. [2020-07-21 15:39:32,287 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 202 209) the Hoare annotation is: true [2020-07-21 15:39:32,287 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 202 209) no Hoare annotation was computed. [2020-07-21 15:39:32,287 INFO L264 CegarLoopResult]: At program point L190(line 190) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~systemActive~0))) [2020-07-21 15:39:32,287 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 176 200) the Hoare annotation is: true [2020-07-21 15:39:32,288 INFO L268 CegarLoopResult]: For program point L188(lines 188 194) no Hoare annotation was computed. [2020-07-21 15:39:32,288 INFO L271 CegarLoopResult]: At program point L186(line 186) the Hoare annotation is: true [2020-07-21 15:39:32,288 INFO L268 CegarLoopResult]: For program point L186-1(line 186) no Hoare annotation was computed. [2020-07-21 15:39:32,288 INFO L268 CegarLoopResult]: For program point L184(lines 184 197) no Hoare annotation was computed. [2020-07-21 15:39:32,288 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 176 200) no Hoare annotation was computed. [2020-07-21 15:39:32,288 INFO L268 CegarLoopResult]: For program point L184-1(lines 176 200) no Hoare annotation was computed. [2020-07-21 15:39:32,288 INFO L271 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: true [2020-07-21 15:39:32,288 INFO L268 CegarLoopResult]: For program point L182-1(line 182) no Hoare annotation was computed. [2020-07-21 15:39:32,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 03:39:32 BoogieIcfgContainer [2020-07-21 15:39:32,315 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 15:39:32,319 INFO L168 Benchmark]: Toolchain (without parser) took 4899.80 ms. Allocated memory was 139.5 MB in the beginning and 247.5 MB in the end (delta: 108.0 MB). Free memory was 103.7 MB in the beginning and 145.0 MB in the end (delta: -41.3 MB). Peak memory consumption was 120.1 MB. Max. memory is 7.1 GB. [2020-07-21 15:39:32,322 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 15:39:32,324 INFO L168 Benchmark]: CACSL2BoogieTranslator took 634.19 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 103.5 MB in the beginning and 175.3 MB in the end (delta: -71.8 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. [2020-07-21 15:39:32,327 INFO L168 Benchmark]: Boogie Preprocessor took 132.64 ms. Allocated memory is still 205.0 MB. Free memory was 175.3 MB in the beginning and 171.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-21 15:39:32,334 INFO L168 Benchmark]: RCFGBuilder took 1208.53 ms. Allocated memory was 205.0 MB in the beginning and 236.5 MB in the end (delta: 31.5 MB). Free memory was 171.2 MB in the beginning and 200.1 MB in the end (delta: -29.0 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. [2020-07-21 15:39:32,335 INFO L168 Benchmark]: TraceAbstraction took 2918.69 ms. Allocated memory was 236.5 MB in the beginning and 247.5 MB in the end (delta: 11.0 MB). Free memory was 200.1 MB in the beginning and 145.0 MB in the end (delta: 55.1 MB). Peak memory consumption was 119.5 MB. Max. memory is 7.1 GB. [2020-07-21 15:39:32,342 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 634.19 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 103.5 MB in the beginning and 175.3 MB in the end (delta: -71.8 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.64 ms. Allocated memory is still 205.0 MB. Free memory was 175.3 MB in the beginning and 171.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1208.53 ms. Allocated memory was 205.0 MB in the beginning and 236.5 MB in the end (delta: 31.5 MB). Free memory was 171.2 MB in the beginning and 200.1 MB in the end (delta: -29.0 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2918.69 ms. Allocated memory was 236.5 MB in the beginning and 247.5 MB in the end (delta: 11.0 MB). Free memory was 200.1 MB in the beginning and 145.0 MB in the end (delta: 55.1 MB). Peak memory consumption was 119.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 206]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: (!(1 <= systemActive) || !(0 == \old(pumpRunning))) || 0 == pumpRunning - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: (!(1 <= systemActive) || !(0 == \old(pumpRunning))) || 0 == pumpRunning - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: (!(1 <= systemActive) || !(0 == \old(pumpRunning))) || 0 == pumpRunning - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 221 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 338 SDtfs, 162 SDslu, 221 SDs, 0 SdLazy, 54 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 151 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=158occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 165 PreInvPairs, 181 NumberOfFragments, 337 HoareAnnotationTreeSize, 165 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 49 FomulaSimplificationsInter, 268 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 149 ConstructedInterpolants, 0 QuantifiedInterpolants, 12841 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1931 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...