/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 NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 10:35:13,171 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 10:35:13,173 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 10:35:13,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 10:35:13,189 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 10:35:13,190 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 10:35:13,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 10:35:13,197 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 10:35:13,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 10:35:13,200 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 10:35:13,201 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 10:35:13,202 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 10:35:13,202 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 10:35:13,203 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 10:35:13,204 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 10:35:13,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 10:35:13,206 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 10:35:13,207 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 10:35:13,209 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 10:35:13,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 10:35:13,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 10:35:13,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 10:35:13,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 10:35:13,216 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 10:35:13,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 10:35:13,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 10:35:13,220 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 10:35:13,221 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 10:35:13,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 10:35:13,222 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 10:35:13,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 10:35:13,223 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 10:35:13,224 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 10:35:13,225 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 10:35:13,226 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 10:35:13,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 10:35:13,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 10:35:13,227 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 10:35:13,227 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 10:35:13,228 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 10:35:13,229 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 10:35:13,229 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 10:35:13,244 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 10:35:13,244 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 10:35:13,246 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 10:35:13,246 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 10:35:13,246 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 10:35:13,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 10:35:13,247 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 10:35:13,247 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 10:35:13,247 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 10:35:13,247 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 10:35:13,247 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 10:35:13,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 10:35:13,248 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 10:35:13,248 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 10:35:13,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 10:35:13,248 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 10:35:13,249 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 10:35:13,249 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 10:35:13,249 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 10:35:13,251 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 10:35:13,251 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 10:35:13,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:35:13,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 10:35:13,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 10:35:13,252 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 10:35:13,252 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 10:35:13,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:13,252 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 10:35:13,253 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 10:35:13,253 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 -> NOT_INCREMENTALLY [2020-07-21 10:35:13,578 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 10:35:13,598 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 10:35:13,603 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 10:35:13,604 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 10:35:13,611 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 10:35:13,612 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product28.cil.c [2020-07-21 10:35:13,684 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/923d43070/fd3fd93428654728b30001fc1fb5d812/FLAGe87918881 [2020-07-21 10:35:14,210 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 10:35:14,214 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product28.cil.c [2020-07-21 10:35:14,226 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/923d43070/fd3fd93428654728b30001fc1fb5d812/FLAGe87918881 [2020-07-21 10:35:14,666 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/923d43070/fd3fd93428654728b30001fc1fb5d812 [2020-07-21 10:35:14,675 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 10:35:14,678 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 10:35:14,679 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 10:35:14,679 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 10:35:14,684 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 10:35:14,685 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:35:14" (1/1) ... [2020-07-21 10:35:14,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4729a143 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:14, skipping insertion in model container [2020-07-21 10:35:14,688 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:35:14" (1/1) ... [2020-07-21 10:35:14,695 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 10:35:14,754 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 10:35:15,128 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:35:15,142 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 10:35:15,222 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:35:15,263 INFO L208 MainTranslator]: Completed translation [2020-07-21 10:35:15,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:15 WrapperNode [2020-07-21 10:35:15,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 10:35:15,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 10:35:15,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 10:35:15,265 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 10:35:15,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:15" (1/1) ... [2020-07-21 10:35:15,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:15" (1/1) ... [2020-07-21 10:35:15,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:15" (1/1) ... [2020-07-21 10:35:15,296 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:15" (1/1) ... [2020-07-21 10:35:15,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:15" (1/1) ... [2020-07-21 10:35:15,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:15" (1/1) ... [2020-07-21 10:35:15,374 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:15" (1/1) ... [2020-07-21 10:35:15,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 10:35:15,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 10:35:15,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 10:35:15,382 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 10:35:15,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:15" (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 10:35:15,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 10:35:15,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 10:35:15,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 10:35:15,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 10:35:15,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 10:35:15,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 10:35:15,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 10:35:15,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 10:35:15,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 10:35:15,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 10:35:15,450 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 10:35:15,450 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 10:35:15,451 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 10:35:15,451 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 10:35:15,451 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 10:35:15,452 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 10:35:15,452 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 10:35:15,453 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 10:35:15,453 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 10:35:15,453 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 10:35:15,453 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 10:35:15,453 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-21 10:35:15,453 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 10:35:15,453 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 10:35:15,454 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 10:35:15,454 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 10:35:15,454 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 10:35:15,455 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 10:35:15,455 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-21 10:35:15,455 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-21 10:35:15,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-07-21 10:35:15,455 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 10:35:15,455 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 10:35:15,455 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 10:35:15,456 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 10:35:15,456 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 10:35:15,456 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 10:35:15,456 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 10:35:15,457 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 10:35:15,457 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 10:35:15,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 10:35:15,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 10:35:15,457 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 10:35:15,457 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 10:35:15,458 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 10:35:15,458 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 10:35:15,458 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 10:35:15,458 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 10:35:15,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 10:35:15,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 10:35:15,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 10:35:15,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 10:35:15,459 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 10:35:15,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 10:35:15,459 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 10:35:15,459 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 10:35:15,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 10:35:15,459 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 10:35:15,460 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 10:35:15,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 10:35:15,460 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 10:35:15,460 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 10:35:15,460 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 10:35:15,461 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 10:35:15,461 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 10:35:15,461 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 10:35:15,461 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 10:35:15,461 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 10:35:15,461 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-21 10:35:15,461 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-21 10:35:15,462 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 10:35:15,462 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 10:35:15,462 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 10:35:15,463 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 10:35:15,463 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 10:35:15,463 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 10:35:15,463 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 10:35:15,463 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-07-21 10:35:15,464 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 10:35:15,464 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 10:35:15,464 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 10:35:15,464 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-21 10:35:15,464 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 10:35:15,465 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 10:35:15,465 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 10:35:15,465 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 10:35:15,466 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 10:35:15,466 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 10:35:15,466 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 10:35:15,467 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 10:35:15,467 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 10:35:15,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 10:35:15,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 10:35:15,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 10:35:16,439 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 10:35:16,439 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 10:35:16,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:35:16 BoogieIcfgContainer [2020-07-21 10:35:16,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 10:35:16,445 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 10:35:16,445 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 10:35:16,448 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 10:35:16,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:35:14" (1/3) ... [2020-07-21 10:35:16,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25092a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:35:16, skipping insertion in model container [2020-07-21 10:35:16,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:15" (2/3) ... [2020-07-21 10:35:16,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25092a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:35:16, skipping insertion in model container [2020-07-21 10:35:16,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:35:16" (3/3) ... [2020-07-21 10:35:16,452 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product28.cil.c [2020-07-21 10:35:16,462 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 10:35:16,470 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 10:35:16,484 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 10:35:16,510 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 10:35:16,510 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 10:35:16,510 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 10:35:16,510 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 10:35:16,511 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 10:35:16,511 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 10:35:16,511 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 10:35:16,511 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 10:35:16,534 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states. [2020-07-21 10:35:16,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-21 10:35:16,543 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:16,544 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 10:35:16,544 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:16,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:16,551 INFO L82 PathProgramCache]: Analyzing trace with hash -288124257, now seen corresponding path program 1 times [2020-07-21 10:35:16,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:16,560 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [370565494] [2020-07-21 10:35:16,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:35:16,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:16,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 10:35:16,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:16,885 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 10:35:16,886 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:16,890 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [370565494] [2020-07-21 10:35:16,892 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:16,892 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 10:35:16,894 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402679252] [2020-07-21 10:35:16,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 10:35:16,901 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:16,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 10:35:16,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:35:16,922 INFO L87 Difference]: Start difference. First operand 168 states. Second operand 2 states. [2020-07-21 10:35:16,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:16,995 INFO L93 Difference]: Finished difference Result 228 states and 283 transitions. [2020-07-21 10:35:16,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 10:35:16,998 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-21 10:35:16,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:17,015 INFO L225 Difference]: With dead ends: 228 [2020-07-21 10:35:17,016 INFO L226 Difference]: Without dead ends: 114 [2020-07-21 10:35:17,024 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 10:35:17,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-07-21 10:35:17,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2020-07-21 10:35:17,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-07-21 10:35:17,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2020-07-21 10:35:17,076 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 46 [2020-07-21 10:35:17,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:17,077 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2020-07-21 10:35:17,077 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 10:35:17,077 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2020-07-21 10:35:17,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-21 10:35:17,081 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:17,081 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 10:35:17,295 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:17,295 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:17,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:17,296 INFO L82 PathProgramCache]: Analyzing trace with hash 1803412453, now seen corresponding path program 1 times [2020-07-21 10:35:17,297 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:17,298 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [632292471] [2020-07-21 10:35:17,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:35:17,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:17,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 10:35:17,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:17,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:35:17,630 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:17,630 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [632292471] [2020-07-21 10:35:17,630 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:17,631 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:35:17,631 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375845775] [2020-07-21 10:35:17,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:35:17,633 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:17,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:35:17,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:35:17,634 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 3 states. [2020-07-21 10:35:17,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:17,664 INFO L93 Difference]: Finished difference Result 167 states and 193 transitions. [2020-07-21 10:35:17,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:35:17,667 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-21 10:35:17,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:17,670 INFO L225 Difference]: With dead ends: 167 [2020-07-21 10:35:17,670 INFO L226 Difference]: Without dead ends: 105 [2020-07-21 10:35:17,672 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 10:35:17,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-07-21 10:35:17,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2020-07-21 10:35:17,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-07-21 10:35:17,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 121 transitions. [2020-07-21 10:35:17,696 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 121 transitions. Word has length 47 [2020-07-21 10:35:17,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:17,696 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 121 transitions. [2020-07-21 10:35:17,696 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:35:17,697 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 121 transitions. [2020-07-21 10:35:17,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-21 10:35:17,702 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:17,704 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:35:17,919 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:17,919 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:17,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:17,920 INFO L82 PathProgramCache]: Analyzing trace with hash -1345236079, now seen corresponding path program 1 times [2020-07-21 10:35:17,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:17,921 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1582368634] [2020-07-21 10:35:17,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:35:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:18,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 10:35:18,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:18,117 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 10:35:18,117 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:18,117 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1582368634] [2020-07-21 10:35:18,118 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:18,118 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:35:18,118 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031849516] [2020-07-21 10:35:18,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:35:18,119 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:18,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:35:18,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:35:18,119 INFO L87 Difference]: Start difference. First operand 105 states and 121 transitions. Second operand 3 states. [2020-07-21 10:35:18,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:18,145 INFO L93 Difference]: Finished difference Result 263 states and 314 transitions. [2020-07-21 10:35:18,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:35:18,146 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-21 10:35:18,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:18,148 INFO L225 Difference]: With dead ends: 263 [2020-07-21 10:35:18,149 INFO L226 Difference]: Without dead ends: 182 [2020-07-21 10:35:18,150 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:35:18,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-07-21 10:35:18,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 176. [2020-07-21 10:35:18,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2020-07-21 10:35:18,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 209 transitions. [2020-07-21 10:35:18,180 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 209 transitions. Word has length 52 [2020-07-21 10:35:18,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:18,181 INFO L479 AbstractCegarLoop]: Abstraction has 176 states and 209 transitions. [2020-07-21 10:35:18,181 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:35:18,182 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 209 transitions. [2020-07-21 10:35:18,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-21 10:35:18,187 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:18,187 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] [2020-07-21 10:35:18,387 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:18,388 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:18,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:18,388 INFO L82 PathProgramCache]: Analyzing trace with hash 2003868692, now seen corresponding path program 1 times [2020-07-21 10:35:18,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:18,389 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1684038550] [2020-07-21 10:35:18,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:18,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:18,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 10:35:18,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:18,635 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 10:35:18,636 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:18,636 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1684038550] [2020-07-21 10:35:18,636 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:18,637 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:35:18,637 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846506112] [2020-07-21 10:35:18,637 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:35:18,638 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:18,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:35:18,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:35:18,639 INFO L87 Difference]: Start difference. First operand 176 states and 209 transitions. Second operand 6 states. [2020-07-21 10:35:18,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:18,814 INFO L93 Difference]: Finished difference Result 283 states and 346 transitions. [2020-07-21 10:35:18,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 10:35:18,815 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2020-07-21 10:35:18,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:18,816 INFO L225 Difference]: With dead ends: 283 [2020-07-21 10:35:18,816 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 10:35:18,818 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 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 10:35:18,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 10:35:18,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 10:35:18,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 10:35:18,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 10:35:18,819 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 57 [2020-07-21 10:35:18,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:18,820 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 10:35:18,820 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:35:18,820 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 10:35:18,820 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 10:35:19,030 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:19,033 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 10:35:19,626 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-21 10:35:19,626 INFO L268 CegarLoopResult]: For program point L126-2(lines 126 147) no Hoare annotation was computed. [2020-07-21 10:35:19,627 INFO L268 CegarLoopResult]: For program point L148(lines 125 149) no Hoare annotation was computed. [2020-07-21 10:35:19,627 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 101 156) no Hoare annotation was computed. [2020-07-21 10:35:19,627 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 101 156) no Hoare annotation was computed. [2020-07-21 10:35:19,627 INFO L268 CegarLoopResult]: For program point L132(lines 132 136) no Hoare annotation was computed. [2020-07-21 10:35:19,627 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 136) no Hoare annotation was computed. [2020-07-21 10:35:19,627 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 101 156) no Hoare annotation was computed. [2020-07-21 10:35:19,627 INFO L268 CegarLoopResult]: For program point L189(lines 189 193) no Hoare annotation was computed. [2020-07-21 10:35:19,627 INFO L268 CegarLoopResult]: For program point L189-1(lines 189 193) no Hoare annotation was computed. [2020-07-21 10:35:19,627 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-21 10:35:19,628 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 157 216) no Hoare annotation was computed. [2020-07-21 10:35:19,628 INFO L268 CegarLoopResult]: For program point L183-2(lines 183 208) no Hoare annotation was computed. [2020-07-21 10:35:19,628 INFO L268 CegarLoopResult]: For program point L209(lines 182 210) no Hoare annotation was computed. [2020-07-21 10:35:19,628 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 157 216) no Hoare annotation was computed. [2020-07-21 10:35:19,628 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-21 10:35:19,628 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 157 216) no Hoare annotation was computed. [2020-07-21 10:35:19,628 INFO L268 CegarLoopResult]: For program point L202-1(line 202) no Hoare annotation was computed. [2020-07-21 10:35:19,629 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 829 835) the Hoare annotation is: true [2020-07-21 10:35:19,629 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 829 835) no Hoare annotation was computed. [2020-07-21 10:35:19,629 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 836 844) no Hoare annotation was computed. [2020-07-21 10:35:19,629 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 836 844) the Hoare annotation is: true [2020-07-21 10:35:19,630 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 836 844) no Hoare annotation was computed. [2020-07-21 10:35:19,630 INFO L264 CegarLoopResult]: At program point L930-1(line 930) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:19,630 INFO L268 CegarLoopResult]: For program point L928(lines 928 935) no Hoare annotation was computed. [2020-07-21 10:35:19,631 INFO L268 CegarLoopResult]: For program point L928-1(lines 928 935) no Hoare annotation was computed. [2020-07-21 10:35:19,631 INFO L268 CegarLoopResult]: For program point L926(line 926) no Hoare annotation was computed. [2020-07-21 10:35:19,631 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 918 940) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:19,631 INFO L264 CegarLoopResult]: At program point L925(line 925) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:19,631 INFO L264 CegarLoopResult]: At program point L924(line 924) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:19,632 INFO L264 CegarLoopResult]: At program point L924-1(line 924) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:19,632 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 918 940) no Hoare annotation was computed. [2020-07-21 10:35:19,632 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 918 940) no Hoare annotation was computed. [2020-07-21 10:35:19,632 INFO L264 CegarLoopResult]: At program point L930(line 930) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:19,632 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 877 900) no Hoare annotation was computed. [2020-07-21 10:35:19,632 INFO L268 CegarLoopResult]: For program point L895(line 895) no Hoare annotation was computed. [2020-07-21 10:35:19,633 INFO L268 CegarLoopResult]: For program point L894(line 894) no Hoare annotation was computed. [2020-07-21 10:35:19,633 INFO L268 CegarLoopResult]: For program point L893(line 893) no Hoare annotation was computed. [2020-07-21 10:35:19,633 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 877 900) no Hoare annotation was computed. [2020-07-21 10:35:19,633 INFO L268 CegarLoopResult]: For program point L892(line 892) no Hoare annotation was computed. [2020-07-21 10:35:19,633 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 877 900) no Hoare annotation was computed. [2020-07-21 10:35:19,633 INFO L268 CegarLoopResult]: For program point L891(line 891) no Hoare annotation was computed. [2020-07-21 10:35:19,633 INFO L268 CegarLoopResult]: For program point L890(line 890) no Hoare annotation was computed. [2020-07-21 10:35:19,634 INFO L268 CegarLoopResult]: For program point L889(line 889) no Hoare annotation was computed. [2020-07-21 10:35:19,634 INFO L268 CegarLoopResult]: For program point L888(line 888) no Hoare annotation was computed. [2020-07-21 10:35:19,634 INFO L268 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-07-21 10:35:19,634 INFO L268 CegarLoopResult]: For program point L886(line 886) no Hoare annotation was computed. [2020-07-21 10:35:19,634 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-07-21 10:35:19,634 INFO L268 CegarLoopResult]: For program point L884(line 884) no Hoare annotation was computed. [2020-07-21 10:35:19,634 INFO L268 CegarLoopResult]: For program point L883(line 883) no Hoare annotation was computed. [2020-07-21 10:35:19,634 INFO L268 CegarLoopResult]: For program point L882(line 882) no Hoare annotation was computed. [2020-07-21 10:35:19,635 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 758 772) no Hoare annotation was computed. [2020-07-21 10:35:19,635 INFO L264 CegarLoopResult]: At program point L764(line 764) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 10:35:19,635 INFO L268 CegarLoopResult]: For program point L762(lines 762 768) no Hoare annotation was computed. [2020-07-21 10:35:19,635 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 758 772) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= 0 ~pumpRunning~0)) (or .cse0 (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))))) [2020-07-21 10:35:19,635 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 758 772) no Hoare annotation was computed. [2020-07-21 10:35:19,635 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 694 702) no Hoare annotation was computed. [2020-07-21 10:35:19,636 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 694 702) the Hoare annotation is: true [2020-07-21 10:35:19,636 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 694 702) no Hoare annotation was computed. [2020-07-21 10:35:19,636 INFO L268 CegarLoopResult]: For program point L748(lines 748 752) no Hoare annotation was computed. [2020-07-21 10:35:19,636 INFO L271 CegarLoopResult]: At program point L746(line 746) the Hoare annotation is: true [2020-07-21 10:35:19,636 INFO L268 CegarLoopResult]: For program point L748-2(lines 748 752) no Hoare annotation was computed. [2020-07-21 10:35:19,636 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 739 757) the Hoare annotation is: true [2020-07-21 10:35:19,636 INFO L268 CegarLoopResult]: For program point L746-1(line 746) no Hoare annotation was computed. [2020-07-21 10:35:19,637 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 739 757) no Hoare annotation was computed. [2020-07-21 10:35:19,637 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 739 757) no Hoare annotation was computed. [2020-07-21 10:35:19,637 INFO L268 CegarLoopResult]: For program point L733(line 733) no Hoare annotation was computed. [2020-07-21 10:35:19,637 INFO L268 CegarLoopResult]: For program point L733-1(line 733) no Hoare annotation was computed. [2020-07-21 10:35:19,637 INFO L268 CegarLoopResult]: For program point L722(lines 722 730) no Hoare annotation was computed. [2020-07-21 10:35:19,637 INFO L268 CegarLoopResult]: For program point L722-2(lines 722 730) no Hoare annotation was computed. [2020-07-21 10:35:19,637 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 703 738) no Hoare annotation was computed. [2020-07-21 10:35:19,637 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 703 738) no Hoare annotation was computed. [2020-07-21 10:35:19,638 INFO L268 CegarLoopResult]: For program point L710(lines 710 718) no Hoare annotation was computed. [2020-07-21 10:35:19,638 INFO L268 CegarLoopResult]: For program point L710-2(lines 710 718) no Hoare annotation was computed. [2020-07-21 10:35:19,638 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 703 738) no Hoare annotation was computed. [2020-07-21 10:35:19,638 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 822 828) no Hoare annotation was computed. [2020-07-21 10:35:19,638 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 822 828) the Hoare annotation is: true [2020-07-21 10:35:19,638 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 55 100) no Hoare annotation was computed. [2020-07-21 10:35:19,638 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 55 100) no Hoare annotation was computed. [2020-07-21 10:35:19,638 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 55 100) no Hoare annotation was computed. [2020-07-21 10:35:19,639 INFO L268 CegarLoopResult]: For program point L382(lines 382 402) no Hoare annotation was computed. [2020-07-21 10:35:19,639 INFO L268 CegarLoopResult]: For program point L382-1(lines 382 402) no Hoare annotation was computed. [2020-07-21 10:35:19,639 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 368 413) no Hoare annotation was computed. [2020-07-21 10:35:19,639 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 368 413) no Hoare annotation was computed. [2020-07-21 10:35:19,639 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 368 413) no Hoare annotation was computed. [2020-07-21 10:35:19,639 INFO L268 CegarLoopResult]: For program point L388(lines 388 395) no Hoare annotation was computed. [2020-07-21 10:35:19,639 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 908 917) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:19,639 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 908 917) no Hoare annotation was computed. [2020-07-21 10:35:19,640 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 908 917) no Hoare annotation was computed. [2020-07-21 10:35:19,640 INFO L268 CegarLoopResult]: For program point L688(line 688) no Hoare annotation was computed. [2020-07-21 10:35:19,640 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 683 693) no Hoare annotation was computed. [2020-07-21 10:35:19,640 INFO L268 CegarLoopResult]: For program point L688-1(line 688) no Hoare annotation was computed. [2020-07-21 10:35:19,640 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 683 693) no Hoare annotation was computed. [2020-07-21 10:35:19,640 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 683 693) no Hoare annotation was computed. [2020-07-21 10:35:19,640 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 675 682) the Hoare annotation is: true [2020-07-21 10:35:19,641 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 675 682) no Hoare annotation was computed. [2020-07-21 10:35:19,641 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 675 682) no Hoare annotation was computed. [2020-07-21 10:35:19,641 INFO L264 CegarLoopResult]: At program point L638(line 638) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 10:35:19,641 INFO L264 CegarLoopResult]: At program point L634(line 634) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 10:35:19,641 INFO L268 CegarLoopResult]: For program point L632(lines 632 640) no Hoare annotation was computed. [2020-07-21 10:35:19,641 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 624 648) no Hoare annotation was computed. [2020-07-21 10:35:19,641 INFO L264 CegarLoopResult]: At program point L630(line 630) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 10:35:19,642 INFO L268 CegarLoopResult]: For program point L630-1(line 630) no Hoare annotation was computed. [2020-07-21 10:35:19,642 INFO L268 CegarLoopResult]: For program point L628(lines 628 645) no Hoare annotation was computed. [2020-07-21 10:35:19,642 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 624 648) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:19,642 INFO L264 CegarLoopResult]: At program point L643(line 643) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:19,642 INFO L268 CegarLoopResult]: For program point L643-1(lines 624 648) no Hoare annotation was computed. [2020-07-21 10:35:19,642 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 616 622) no Hoare annotation was computed. [2020-07-21 10:35:19,642 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 616 622) the Hoare annotation is: true [2020-07-21 10:35:19,643 INFO L268 CegarLoopResult]: For program point L545(lines 545 551) no Hoare annotation was computed. [2020-07-21 10:35:19,643 INFO L268 CegarLoopResult]: For program point L545-1(lines 545 551) no Hoare annotation was computed. [2020-07-21 10:35:19,643 INFO L264 CegarLoopResult]: At program point testENTRY(lines 515 582) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:19,643 INFO L264 CegarLoopResult]: At program point L572(lines 525 574) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:19,643 INFO L264 CegarLoopResult]: At program point L537(line 537) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:19,643 INFO L268 CegarLoopResult]: For program point L535(lines 535 541) no Hoare annotation was computed. [2020-07-21 10:35:19,644 INFO L268 CegarLoopResult]: For program point testFINAL(lines 515 582) no Hoare annotation was computed. [2020-07-21 10:35:19,644 INFO L268 CegarLoopResult]: For program point L535-1(lines 535 541) no Hoare annotation was computed. [2020-07-21 10:35:19,644 INFO L268 CegarLoopResult]: For program point L527(lines 527 531) no Hoare annotation was computed. [2020-07-21 10:35:19,644 INFO L264 CegarLoopResult]: At program point L575(lines 524 576) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:19,644 INFO L264 CegarLoopResult]: At program point L565(line 565) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:19,644 INFO L268 CegarLoopResult]: For program point L563(lines 563 569) no Hoare annotation was computed. [2020-07-21 10:35:19,645 INFO L264 CegarLoopResult]: At program point L563-1(lines 555 570) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:19,645 INFO L268 CegarLoopResult]: For program point L526(lines 525 574) no Hoare annotation was computed. [2020-07-21 10:35:19,645 INFO L264 CegarLoopResult]: At program point L557(line 557) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:19,645 INFO L268 CegarLoopResult]: For program point L555(lines 555 570) no Hoare annotation was computed. [2020-07-21 10:35:19,645 INFO L264 CegarLoopResult]: At program point L547(line 547) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:19,645 INFO L268 CegarLoopResult]: For program point testEXIT(lines 515 582) no Hoare annotation was computed. [2020-07-21 10:35:19,645 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 322 367) no Hoare annotation was computed. [2020-07-21 10:35:19,646 INFO L268 CegarLoopResult]: For program point L342(lines 342 349) no Hoare annotation was computed. [2020-07-21 10:35:19,646 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 322 367) no Hoare annotation was computed. [2020-07-21 10:35:19,646 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 322 367) no Hoare annotation was computed. [2020-07-21 10:35:19,646 INFO L268 CegarLoopResult]: For program point L336(lines 336 356) no Hoare annotation was computed. [2020-07-21 10:35:19,646 INFO L268 CegarLoopResult]: For program point L336-1(lines 336 356) no Hoare annotation was computed. [2020-07-21 10:35:19,646 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 649 656) no Hoare annotation was computed. [2020-07-21 10:35:19,646 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 649 656) no Hoare annotation was computed. [2020-07-21 10:35:19,647 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 649 656) no Hoare annotation was computed. [2020-07-21 10:35:19,647 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 501 509) no Hoare annotation was computed. [2020-07-21 10:35:19,647 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 501 509) the Hoare annotation is: true [2020-07-21 10:35:19,647 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 501 509) no Hoare annotation was computed. [2020-07-21 10:35:19,647 INFO L268 CegarLoopResult]: For program point L477(lines 477 485) no Hoare annotation was computed. [2020-07-21 10:35:19,647 INFO L268 CegarLoopResult]: For program point L477-2(lines 477 485) no Hoare annotation was computed. [2020-07-21 10:35:19,647 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 469 491) no Hoare annotation was computed. [2020-07-21 10:35:19,647 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 469 491) no Hoare annotation was computed. [2020-07-21 10:35:19,648 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 469 491) no Hoare annotation was computed. [2020-07-21 10:35:19,648 INFO L268 CegarLoopResult]: For program point L289(lines 267 290) no Hoare annotation was computed. [2020-07-21 10:35:19,648 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 219 321) no Hoare annotation was computed. [2020-07-21 10:35:19,648 INFO L268 CegarLoopResult]: For program point L248(lines 248 264) no Hoare annotation was computed. [2020-07-21 10:35:19,648 INFO L268 CegarLoopResult]: For program point L308(lines 308 315) no Hoare annotation was computed. [2020-07-21 10:35:19,648 INFO L268 CegarLoopResult]: For program point L269(lines 268 288) no Hoare annotation was computed. [2020-07-21 10:35:19,648 INFO L268 CegarLoopResult]: For program point L300(line 300) no Hoare annotation was computed. [2020-07-21 10:35:19,648 INFO L268 CegarLoopResult]: For program point L300-1(line 300) no Hoare annotation was computed. [2020-07-21 10:35:19,648 INFO L268 CegarLoopResult]: For program point L265(lines 265 306) no Hoare annotation was computed. [2020-07-21 10:35:19,649 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 219 321) no Hoare annotation was computed. [2020-07-21 10:35:19,649 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-07-21 10:35:19,649 INFO L268 CegarLoopResult]: For program point L284-1(line 284) no Hoare annotation was computed. [2020-07-21 10:35:19,649 INFO L268 CegarLoopResult]: For program point L243(lines 243 247) no Hoare annotation was computed. [2020-07-21 10:35:19,649 INFO L268 CegarLoopResult]: For program point L307(lines 307 318) no Hoare annotation was computed. [2020-07-21 10:35:19,649 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 219 321) no Hoare annotation was computed. [2020-07-21 10:35:19,649 INFO L268 CegarLoopResult]: For program point L270(lines 270 274) no Hoare annotation was computed. [2020-07-21 10:35:19,649 INFO L268 CegarLoopResult]: For program point L268-2(lines 268 288) no Hoare annotation was computed. [2020-07-21 10:35:19,649 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 812 821) no Hoare annotation was computed. [2020-07-21 10:35:19,650 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 812 821) no Hoare annotation was computed. [2020-07-21 10:35:19,650 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 812 821) no Hoare annotation was computed. [2020-07-21 10:35:19,650 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:35:19,650 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:35:19,650 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:35:19,650 INFO L268 CegarLoopResult]: For program point L669(line 669) no Hoare annotation was computed. [2020-07-21 10:35:19,650 INFO L268 CegarLoopResult]: For program point L669-1(lines 658 674) no Hoare annotation was computed. [2020-07-21 10:35:19,650 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 658 674) no Hoare annotation was computed. [2020-07-21 10:35:19,651 INFO L268 CegarLoopResult]: For program point L665(lines 665 671) no Hoare annotation was computed. [2020-07-21 10:35:19,651 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 658 674) no Hoare annotation was computed. [2020-07-21 10:35:19,651 INFO L268 CegarLoopResult]: For program point L663(line 663) no Hoare annotation was computed. [2020-07-21 10:35:19,651 INFO L268 CegarLoopResult]: For program point L663-1(line 663) no Hoare annotation was computed. [2020-07-21 10:35:19,651 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 492 500) no Hoare annotation was computed. [2020-07-21 10:35:19,651 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 492 500) no Hoare annotation was computed. [2020-07-21 10:35:19,651 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 492 500) no Hoare annotation was computed. [2020-07-21 10:35:19,652 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:35:19,652 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 10:35:19,652 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:35:19,652 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 448 459) the Hoare annotation is: true [2020-07-21 10:35:19,652 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 448 459) no Hoare annotation was computed. [2020-07-21 10:35:19,652 INFO L268 CegarLoopResult]: For program point L452-1(lines 448 459) no Hoare annotation was computed. [2020-07-21 10:35:19,652 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 460 468) the Hoare annotation is: true [2020-07-21 10:35:19,652 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 460 468) no Hoare annotation was computed. [2020-07-21 10:35:19,652 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 460 468) no Hoare annotation was computed. [2020-07-21 10:35:19,653 INFO L264 CegarLoopResult]: At program point L605(line 605) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:19,653 INFO L264 CegarLoopResult]: At program point L603(lines 603 609) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:19,653 INFO L264 CegarLoopResult]: At program point L598(line 598) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 10:35:19,653 INFO L268 CegarLoopResult]: For program point L596(lines 595 614) no Hoare annotation was computed. [2020-07-21 10:35:19,653 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 592 615) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:19,653 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 592 615) no Hoare annotation was computed. [2020-07-21 10:35:19,653 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 592 615) no Hoare annotation was computed. [2020-07-21 10:35:19,654 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 847 876) no Hoare annotation was computed. [2020-07-21 10:35:19,654 INFO L268 CegarLoopResult]: For program point L861(lines 861 865) no Hoare annotation was computed. [2020-07-21 10:35:19,654 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 847 876) the Hoare annotation is: true [2020-07-21 10:35:19,654 INFO L271 CegarLoopResult]: At program point L861-1(lines 861 865) the Hoare annotation is: true [2020-07-21 10:35:19,654 INFO L268 CegarLoopResult]: For program point L858(line 858) no Hoare annotation was computed. [2020-07-21 10:35:19,654 INFO L271 CegarLoopResult]: At program point L857-2(lines 857 871) the Hoare annotation is: true [2020-07-21 10:35:19,654 INFO L271 CegarLoopResult]: At program point L853(line 853) the Hoare annotation is: true [2020-07-21 10:35:19,655 INFO L268 CegarLoopResult]: For program point L853-1(line 853) no Hoare annotation was computed. [2020-07-21 10:35:19,655 INFO L271 CegarLoopResult]: At program point L872(lines 847 876) the Hoare annotation is: true [2020-07-21 10:35:19,655 INFO L268 CegarLoopResult]: For program point L868(line 868) no Hoare annotation was computed. [2020-07-21 10:35:19,655 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 424 435) the Hoare annotation is: true [2020-07-21 10:35:19,655 INFO L268 CegarLoopResult]: For program point L428-1(lines 424 435) no Hoare annotation was computed. [2020-07-21 10:35:19,655 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 424 435) no Hoare annotation was computed. [2020-07-21 10:35:19,655 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 901 907) no Hoare annotation was computed. [2020-07-21 10:35:19,655 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 901 907) the Hoare annotation is: true [2020-07-21 10:35:19,656 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:35:19,656 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-21 10:35:19,656 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:35:19,656 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:35:19,656 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 773 780) no Hoare annotation was computed. [2020-07-21 10:35:19,656 INFO L271 CegarLoopResult]: At program point startSystemENTRY(lines 773 780) the Hoare annotation is: true [2020-07-21 10:35:19,656 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 773 780) no Hoare annotation was computed. [2020-07-21 10:35:19,657 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 436 447) no Hoare annotation was computed. [2020-07-21 10:35:19,657 INFO L268 CegarLoopResult]: For program point L440-1(lines 436 447) no Hoare annotation was computed. [2020-07-21 10:35:19,657 INFO L271 CegarLoopResult]: At program point waterRiseENTRY(lines 436 447) the Hoare annotation is: true [2020-07-21 10:35:19,657 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-21 10:35:19,657 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-21 10:35:19,657 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-21 10:35:19,657 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-21 10:35:19,658 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 782 806) the Hoare annotation is: true [2020-07-21 10:35:19,658 INFO L264 CegarLoopResult]: At program point L796(line 796) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2020-07-21 10:35:19,658 INFO L268 CegarLoopResult]: For program point L794(lines 794 800) no Hoare annotation was computed. [2020-07-21 10:35:19,658 INFO L271 CegarLoopResult]: At program point L792(line 792) the Hoare annotation is: true [2020-07-21 10:35:19,658 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 782 806) no Hoare annotation was computed. [2020-07-21 10:35:19,658 INFO L268 CegarLoopResult]: For program point L792-1(line 792) no Hoare annotation was computed. [2020-07-21 10:35:19,658 INFO L268 CegarLoopResult]: For program point L790(lines 790 803) no Hoare annotation was computed. [2020-07-21 10:35:19,658 INFO L268 CegarLoopResult]: For program point L790-1(lines 782 806) no Hoare annotation was computed. [2020-07-21 10:35:19,659 INFO L271 CegarLoopResult]: At program point L788(line 788) the Hoare annotation is: true [2020-07-21 10:35:19,659 INFO L268 CegarLoopResult]: For program point L788-1(line 788) no Hoare annotation was computed. [2020-07-21 10:35:19,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:35:19 BoogieIcfgContainer [2020-07-21 10:35:19,675 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 10:35:19,677 INFO L168 Benchmark]: Toolchain (without parser) took 4999.63 ms. Allocated memory was 143.7 MB in the beginning and 246.4 MB in the end (delta: 102.8 MB). Free memory was 102.8 MB in the beginning and 107.3 MB in the end (delta: -4.5 MB). Peak memory consumption was 98.2 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:19,678 INFO L168 Benchmark]: CDTParser took 1.90 ms. Allocated memory is still 143.7 MB. Free memory is still 121.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-21 10:35:19,679 INFO L168 Benchmark]: CACSL2BoogieTranslator took 585.79 ms. Allocated memory was 143.7 MB in the beginning and 201.9 MB in the end (delta: 58.2 MB). Free memory was 102.4 MB in the beginning and 169.4 MB in the end (delta: -67.0 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:19,680 INFO L168 Benchmark]: Boogie Preprocessor took 116.44 ms. Allocated memory is still 201.9 MB. Free memory was 169.4 MB in the beginning and 164.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:19,681 INFO L168 Benchmark]: RCFGBuilder took 1062.72 ms. Allocated memory was 201.9 MB in the beginning and 235.9 MB in the end (delta: 34.1 MB). Free memory was 164.7 MB in the beginning and 191.6 MB in the end (delta: -26.9 MB). Peak memory consumption was 78.6 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:19,682 INFO L168 Benchmark]: TraceAbstraction took 3229.40 ms. Allocated memory was 235.9 MB in the beginning and 246.4 MB in the end (delta: 10.5 MB). Free memory was 191.6 MB in the beginning and 107.3 MB in the end (delta: 84.3 MB). Peak memory consumption was 94.8 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:19,686 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.90 ms. Allocated memory is still 143.7 MB. Free memory is still 121.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 585.79 ms. Allocated memory was 143.7 MB in the beginning and 201.9 MB in the end (delta: 58.2 MB). Free memory was 102.4 MB in the beginning and 169.4 MB in the end (delta: -67.0 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.44 ms. Allocated memory is still 201.9 MB. Free memory was 169.4 MB in the beginning and 164.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1062.72 ms. Allocated memory was 201.9 MB in the beginning and 235.9 MB in the end (delta: 34.1 MB). Free memory was 164.7 MB in the beginning and 191.6 MB in the end (delta: -26.9 MB). Peak memory consumption was 78.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3229.40 ms. Allocated memory was 235.9 MB in the beginning and 246.4 MB in the end (delta: 10.5 MB). Free memory was 191.6 MB in the beginning and 107.3 MB in the end (delta: 84.3 MB). Peak memory consumption was 94.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(1 <= \old(systemActive)) - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 847]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter <= 0)) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 231 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.5s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 502 SDtfs, 168 SDslu, 406 SDs, 0 SdLazy, 61 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 200 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=176occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 222 PreInvPairs, 238 NumberOfFragments, 351 HoareAnnotationTreeSize, 222 FomulaSimplifications, 63 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 54 FomulaSimplificationsInter, 408 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 202 NumberOfCodeBlocks, 202 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 198 ConstructedInterpolants, 0 QuantifiedInterpolants, 15658 SizeOfPredicates, 7 NumberOfNonLiveVariables, 2637 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...