/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy CAMEL_NO_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product52.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 21:00:39,195 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 21:00:39,198 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 21:00:39,210 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 21:00:39,210 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 21:00:39,211 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 21:00:39,212 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 21:00:39,214 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 21:00:39,216 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 21:00:39,217 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 21:00:39,218 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 21:00:39,219 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 21:00:39,219 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 21:00:39,220 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 21:00:39,221 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 21:00:39,222 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 21:00:39,223 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 21:00:39,224 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 21:00:39,225 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 21:00:39,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 21:00:39,228 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 21:00:39,229 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 21:00:39,230 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 21:00:39,231 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 21:00:39,234 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 21:00:39,234 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 21:00:39,234 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 21:00:39,235 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 21:00:39,235 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 21:00:39,236 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 21:00:39,237 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 21:00:39,237 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 21:00:39,238 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 21:00:39,239 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 21:00:39,240 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 21:00:39,240 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 21:00:39,241 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 21:00:39,241 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 21:00:39,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 21:00:39,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 21:00:39,242 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 21:00:39,243 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 [2020-07-19 21:00:39,266 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 21:00:39,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 21:00:39,268 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 21:00:39,268 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 21:00:39,269 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 21:00:39,269 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 21:00:39,269 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 21:00:39,269 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 21:00:39,269 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 21:00:39,270 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 21:00:39,271 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 21:00:39,271 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 21:00:39,271 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 21:00:39,272 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 21:00:39,272 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 21:00:39,272 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 21:00:39,272 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 21:00:39,272 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 21:00:39,272 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 21:00:39,273 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 21:00:39,273 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 21:00:39,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 21:00:39,273 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 21:00:39,274 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 21:00:39,274 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 21:00:39,274 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 21:00:39,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 21:00:39,274 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 21:00:39,275 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 21:00:39,275 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_NO_AM [2020-07-19 21:00:39,580 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 21:00:39,593 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 21:00:39,599 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 21:00:39,601 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 21:00:39,601 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 21:00:39,602 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product52.cil.c [2020-07-19 21:00:39,676 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d73c02127/bea2177bff4140a6b0cccccae39b73ae/FLAG2bc2fbf35 [2020-07-19 21:00:40,200 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 21:00:40,201 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product52.cil.c [2020-07-19 21:00:40,214 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d73c02127/bea2177bff4140a6b0cccccae39b73ae/FLAG2bc2fbf35 [2020-07-19 21:00:40,553 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d73c02127/bea2177bff4140a6b0cccccae39b73ae [2020-07-19 21:00:40,562 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 21:00:40,564 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 21:00:40,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 21:00:40,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 21:00:40,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 21:00:40,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:00:40" (1/1) ... [2020-07-19 21:00:40,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7af6d54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:00:40, skipping insertion in model container [2020-07-19 21:00:40,573 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:00:40" (1/1) ... [2020-07-19 21:00:40,578 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 21:00:40,619 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 21:00:41,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:00:41,105 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 21:00:41,216 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:00:41,249 INFO L208 MainTranslator]: Completed translation [2020-07-19 21:00:41,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:00:41 WrapperNode [2020-07-19 21:00:41,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 21:00:41,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 21:00:41,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 21:00:41,251 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 21:00:41,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:00:41" (1/1) ... [2020-07-19 21:00:41,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:00:41" (1/1) ... [2020-07-19 21:00:41,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:00:41" (1/1) ... [2020-07-19 21:00:41,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:00:41" (1/1) ... [2020-07-19 21:00:41,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:00:41" (1/1) ... [2020-07-19 21:00:41,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:00:41" (1/1) ... [2020-07-19 21:00:41,325 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:00:41" (1/1) ... [2020-07-19 21:00:41,335 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 21:00:41,336 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 21:00:41,336 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 21:00:41,336 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 21:00:41,337 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:00:41" (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 [2020-07-19 21:00:41,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 21:00:41,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 21:00:41,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 21:00:41,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-19 21:00:41,399 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 21:00:41,399 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 21:00:41,399 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 21:00:41,399 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 21:00:41,399 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 21:00:41,400 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 21:00:41,400 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-19 21:00:41,400 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-19 21:00:41,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 21:00:41,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 21:00:41,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 21:00:41,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 21:00:41,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 21:00:41,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 21:00:41,401 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 21:00:41,401 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 21:00:41,401 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-19 21:00:41,402 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 21:00:41,402 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 21:00:41,402 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 21:00:41,402 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 21:00:41,402 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 21:00:41,402 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 21:00:41,403 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-19 21:00:41,403 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-19 21:00:41,403 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-19 21:00:41,403 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-19 21:00:41,403 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 21:00:41,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 21:00:41,403 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 21:00:41,404 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 21:00:41,404 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 21:00:41,404 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 21:00:41,404 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 21:00:41,404 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 21:00:41,404 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 21:00:41,405 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 21:00:41,405 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 21:00:41,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 21:00:41,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 21:00:41,405 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 21:00:41,405 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 21:00:41,405 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 21:00:41,406 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 21:00:41,406 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 21:00:41,406 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-19 21:00:41,406 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 21:00:41,406 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 21:00:41,406 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 21:00:41,406 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 21:00:41,407 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-19 21:00:41,407 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-19 21:00:41,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 21:00:41,407 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 21:00:41,407 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 21:00:41,407 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 21:00:41,407 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 21:00:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 21:00:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 21:00:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 21:00:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 21:00:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 21:00:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 21:00:41,409 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 21:00:41,409 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 21:00:41,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 21:00:41,409 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 21:00:41,409 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 21:00:41,409 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 21:00:41,409 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 21:00:41,410 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 21:00:41,410 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 21:00:41,410 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 21:00:41,410 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-19 21:00:41,410 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-19 21:00:41,410 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 21:00:41,411 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 21:00:41,411 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-19 21:00:41,411 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-19 21:00:41,411 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-19 21:00:41,411 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 21:00:41,411 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 21:00:41,411 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 21:00:41,412 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 21:00:41,412 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 21:00:41,412 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 21:00:41,412 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 21:00:41,412 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 21:00:41,412 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 21:00:41,413 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 21:00:41,413 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 21:00:41,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 21:00:41,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 21:00:41,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 21:00:42,440 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 21:00:42,440 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 21:00:42,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:00:42 BoogieIcfgContainer [2020-07-19 21:00:42,446 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 21:00:42,447 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 21:00:42,447 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 21:00:42,450 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 21:00:42,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 09:00:40" (1/3) ... [2020-07-19 21:00:42,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77a861a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:00:42, skipping insertion in model container [2020-07-19 21:00:42,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:00:41" (2/3) ... [2020-07-19 21:00:42,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77a861a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:00:42, skipping insertion in model container [2020-07-19 21:00:42,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:00:42" (3/3) ... [2020-07-19 21:00:42,454 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product52.cil.c [2020-07-19 21:00:42,464 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 21:00:42,472 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 21:00:42,485 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 21:00:42,504 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 21:00:42,504 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 21:00:42,504 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 21:00:42,504 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 21:00:42,505 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 21:00:42,505 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 21:00:42,506 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 21:00:42,506 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 21:00:42,529 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states. [2020-07-19 21:00:42,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-19 21:00:42,540 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:00:42,541 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] [2020-07-19 21:00:42,541 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:00:42,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:00:42,548 INFO L82 PathProgramCache]: Analyzing trace with hash 1312501880, now seen corresponding path program 1 times [2020-07-19 21:00:42,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:00:42,558 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930397921] [2020-07-19 21:00:42,558 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@386a855 [2020-07-19 21:00:42,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:43,219 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 21:00:43,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:43,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:43,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:43,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:43,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:43,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:00:43,347 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930397921] [2020-07-19 21:00:43,349 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:00:43,349 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-19 21:00:43,350 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420055612] [2020-07-19 21:00:43,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 21:00:43,356 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:00:43,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 21:00:43,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 21:00:43,369 INFO L87 Difference]: Start difference. First operand 190 states. Second operand 3 states. [2020-07-19 21:00:44,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:00:44,634 INFO L93 Difference]: Finished difference Result 332 states and 431 transitions. [2020-07-19 21:00:44,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 21:00:44,636 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-19 21:00:44,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:00:44,651 INFO L225 Difference]: With dead ends: 332 [2020-07-19 21:00:44,652 INFO L226 Difference]: Without dead ends: 179 [2020-07-19 21:00:44,657 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 21:00:44,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2020-07-19 21:00:44,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 144. [2020-07-19 21:00:44,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-07-19 21:00:44,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 169 transitions. [2020-07-19 21:00:44,750 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 169 transitions. Word has length 52 [2020-07-19 21:00:44,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:00:44,750 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 169 transitions. [2020-07-19 21:00:44,750 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 21:00:44,751 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 169 transitions. [2020-07-19 21:00:44,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-19 21:00:44,755 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:00:44,755 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] [2020-07-19 21:00:44,755 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 21:00:44,756 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:00:44,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:00:44,756 INFO L82 PathProgramCache]: Analyzing trace with hash 1642029938, now seen corresponding path program 1 times [2020-07-19 21:00:44,757 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:00:44,757 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893899080] [2020-07-19 21:00:44,757 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@386a855 [2020-07-19 21:00:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:45,112 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 21:00:45,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:45,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:45,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:45,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:45,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:45,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:45,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:00:45,153 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893899080] [2020-07-19 21:00:45,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:00:45,153 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 21:00:45,153 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648778114] [2020-07-19 21:00:45,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 21:00:45,155 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:00:45,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 21:00:45,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-19 21:00:45,156 INFO L87 Difference]: Start difference. First operand 144 states and 169 transitions. Second operand 4 states. [2020-07-19 21:00:45,604 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:00:46,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:00:46,579 INFO L93 Difference]: Finished difference Result 255 states and 310 transitions. [2020-07-19 21:00:46,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-19 21:00:46,582 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-19 21:00:46,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:00:46,586 INFO L225 Difference]: With dead ends: 255 [2020-07-19 21:00:46,587 INFO L226 Difference]: Without dead ends: 163 [2020-07-19 21:00:46,589 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-19 21:00:46,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-07-19 21:00:46,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 135. [2020-07-19 21:00:46,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-07-19 21:00:46,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 157 transitions. [2020-07-19 21:00:46,631 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 157 transitions. Word has length 53 [2020-07-19 21:00:46,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:00:46,631 INFO L479 AbstractCegarLoop]: Abstraction has 135 states and 157 transitions. [2020-07-19 21:00:46,631 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 21:00:46,632 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 157 transitions. [2020-07-19 21:00:46,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-19 21:00:46,634 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:00:46,634 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] [2020-07-19 21:00:46,635 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 21:00:46,635 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:00:46,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:00:46,635 INFO L82 PathProgramCache]: Analyzing trace with hash 493625468, now seen corresponding path program 1 times [2020-07-19 21:00:46,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:00:46,636 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555579907] [2020-07-19 21:00:46,636 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@386a855 [2020-07-19 21:00:46,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:47,024 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 21:00:47,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:47,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:47,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:47,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:47,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:47,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:47,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:47,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:47,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:00:47,099 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555579907] [2020-07-19 21:00:47,099 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:00:47,100 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 21:00:47,100 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703227048] [2020-07-19 21:00:47,101 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 21:00:47,101 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:00:47,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 21:00:47,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-19 21:00:47,102 INFO L87 Difference]: Start difference. First operand 135 states and 157 transitions. Second operand 8 states. [2020-07-19 21:00:47,497 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 21:00:47,832 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 21:00:48,105 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 21:00:48,377 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 21:00:49,121 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:00:51,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:00:51,314 INFO L93 Difference]: Finished difference Result 466 states and 575 transitions. [2020-07-19 21:00:51,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 21:00:51,315 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-07-19 21:00:51,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:00:51,321 INFO L225 Difference]: With dead ends: 466 [2020-07-19 21:00:51,321 INFO L226 Difference]: Without dead ends: 355 [2020-07-19 21:00:51,322 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-19 21:00:51,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2020-07-19 21:00:51,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 290. [2020-07-19 21:00:51,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2020-07-19 21:00:51,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 349 transitions. [2020-07-19 21:00:51,400 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 349 transitions. Word has length 58 [2020-07-19 21:00:51,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:00:51,401 INFO L479 AbstractCegarLoop]: Abstraction has 290 states and 349 transitions. [2020-07-19 21:00:51,401 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 21:00:51,401 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 349 transitions. [2020-07-19 21:00:51,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-19 21:00:51,404 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:00:51,405 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:00:51,405 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 21:00:51,405 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:00:51,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:00:51,406 INFO L82 PathProgramCache]: Analyzing trace with hash -1982308337, now seen corresponding path program 1 times [2020-07-19 21:00:51,406 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:00:51,406 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971642052] [2020-07-19 21:00:51,406 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@386a855 [2020-07-19 21:00:51,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:51,771 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 21:00:51,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:51,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:51,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:51,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:51,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:51,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:51,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:51,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:51,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:00:51,870 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971642052] [2020-07-19 21:00:51,871 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:00:51,871 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 21:00:51,871 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081469406] [2020-07-19 21:00:51,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 21:00:51,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:00:51,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 21:00:51,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-19 21:00:51,873 INFO L87 Difference]: Start difference. First operand 290 states and 349 transitions. Second operand 8 states. [2020-07-19 21:00:52,351 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 21:00:53,894 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 21:00:54,354 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 21:00:54,680 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 21:00:54,984 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 21:00:55,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:00:55,952 INFO L93 Difference]: Finished difference Result 893 states and 1167 transitions. [2020-07-19 21:00:55,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-19 21:00:55,953 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 63 [2020-07-19 21:00:55,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:00:55,963 INFO L225 Difference]: With dead ends: 893 [2020-07-19 21:00:55,963 INFO L226 Difference]: Without dead ends: 627 [2020-07-19 21:00:55,966 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-07-19 21:00:55,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2020-07-19 21:00:56,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 557. [2020-07-19 21:00:56,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 557 states. [2020-07-19 21:00:56,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 683 transitions. [2020-07-19 21:00:56,087 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 683 transitions. Word has length 63 [2020-07-19 21:00:56,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:00:56,088 INFO L479 AbstractCegarLoop]: Abstraction has 557 states and 683 transitions. [2020-07-19 21:00:56,088 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 21:00:56,088 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 683 transitions. [2020-07-19 21:00:56,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-07-19 21:00:56,093 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:00:56,094 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:00:56,094 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 21:00:56,094 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:00:56,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:00:56,095 INFO L82 PathProgramCache]: Analyzing trace with hash -427232299, now seen corresponding path program 1 times [2020-07-19 21:00:56,095 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:00:56,095 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68121036] [2020-07-19 21:00:56,095 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@386a855 [2020-07-19 21:00:56,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-19 21:00:56,155 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-19 21:00:56,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-19 21:00:56,211 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-19 21:00:56,277 INFO L174 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2020-07-19 21:00:56,277 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-19 21:00:56,278 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 21:00:56,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 09:00:56 BoogieIcfgContainer [2020-07-19 21:00:56,437 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 21:00:56,439 INFO L168 Benchmark]: Toolchain (without parser) took 15874.87 ms. Allocated memory was 143.7 MB in the beginning and 498.1 MB in the end (delta: 354.4 MB). Free memory was 99.0 MB in the beginning and 289.2 MB in the end (delta: -190.2 MB). Peak memory consumption was 164.2 MB. Max. memory is 7.1 GB. [2020-07-19 21:00:56,440 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 143.7 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-19 21:00:56,441 INFO L168 Benchmark]: CACSL2BoogieTranslator took 685.23 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 98.6 MB in the beginning and 167.7 MB in the end (delta: -69.1 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2020-07-19 21:00:56,442 INFO L168 Benchmark]: Boogie Preprocessor took 84.82 ms. Allocated memory is still 201.3 MB. Free memory was 167.7 MB in the beginning and 163.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-19 21:00:56,443 INFO L168 Benchmark]: RCFGBuilder took 1110.28 ms. Allocated memory was 201.3 MB in the beginning and 231.2 MB in the end (delta: 29.9 MB). Free memory was 163.6 MB in the beginning and 190.4 MB in the end (delta: -26.7 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. [2020-07-19 21:00:56,444 INFO L168 Benchmark]: TraceAbstraction took 13989.54 ms. Allocated memory was 231.2 MB in the beginning and 498.1 MB in the end (delta: 266.9 MB). Free memory was 190.4 MB in the beginning and 289.2 MB in the end (delta: -98.9 MB). Peak memory consumption was 168.0 MB. Max. memory is 7.1 GB. [2020-07-19 21:00:56,448 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 143.7 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 685.23 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 98.6 MB in the beginning and 167.7 MB in the end (delta: -69.1 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.82 ms. Allocated memory is still 201.3 MB. Free memory was 167.7 MB in the beginning and 163.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1110.28 ms. Allocated memory was 201.3 MB in the beginning and 231.2 MB in the end (delta: 29.9 MB). Free memory was 163.6 MB in the beginning and 190.4 MB in the end (delta: -26.7 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13989.54 ms. Allocated memory was 231.2 MB in the beginning and 498.1 MB in the end (delta: 266.9 MB). Free memory was 190.4 MB in the beginning and 289.2 MB in the end (delta: -98.9 MB). Peak memory consumption was 168.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 853]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L84] int waterLevel = 1; [L85] int methaneLevelCritical = 0; [L356] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L559] int pumpRunning = 0; [L560] int systemActive = 1; [L896] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=175, \old(head)=166, \old(head)=176, \old(methaneLevelCritical)=144, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=141, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L969] int retValue_acc ; [L970] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L974] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L975] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L976] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L887] int retValue_acc ; [L890] retValue_acc = 1 [L891] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L976] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L976] tmp = valid_product() [L978] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L980] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L981] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L963] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L781] int splverifierCounter ; [L782] int tmp ; [L783] int tmp___0 ; [L784] int tmp___1 ; [L785] int tmp___2 ; [L788] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L790] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L792] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L798] tmp = __VERIFIER_nondet_int() [L800] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L802] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L102] COND TRUE waterLevel < 2 [L103] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L802] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L808] tmp___0 = __VERIFIER_nondet_int() [L810] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L818] tmp___2 = __VERIFIER_nondet_int() [L820] COND FALSE !(\read(tmp___2)) [L826] tmp___1 = __VERIFIER_nondet_int() [L828] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L830] CALL stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L759] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L766] systemActive = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L830] RET stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=0, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L837] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L566] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L573] COND FALSE !(\read(systemActive)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L581] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L45] int tmp ; [L46] int tmp___0 ; [L47] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L51] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L123] int retValue_acc ; [L126] retValue_acc = methaneLevelCritical [L127] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L51] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L51] tmp = isMethaneLevelCritical() [L53] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L57] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L155] int retValue_acc ; [L158] retValue_acc = waterLevel [L159] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L57] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L57] tmp___0 = getWaterLevel() [L59] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L61] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L673] int retValue_acc ; [L676] retValue_acc = pumpRunning [L677] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L61] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L61] tmp___1 = isPumpRunning() [L63] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L67] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L853] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 248 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 13.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 11.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 540 SDtfs, 879 SDslu, 376 SDs, 0 SdLazy, 2083 SolverSat, 522 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=557occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 198 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 293 NumberOfCodeBlocks, 293 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 222 ConstructedInterpolants, 0 QuantifiedInterpolants, 62058 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...