/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 FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 16:01:59,301 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 16:01:59,304 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 16:01:59,345 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 16:01:59,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 16:01:59,353 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 16:01:59,355 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 16:01:59,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 16:01:59,363 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 16:01:59,366 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 16:01:59,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 16:01:59,368 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 16:01:59,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 16:01:59,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 16:01:59,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 16:01:59,374 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 16:01:59,376 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 16:01:59,377 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 16:01:59,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 16:01:59,386 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 16:01:59,388 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 16:01:59,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 16:01:59,390 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 16:01:59,391 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 16:01:59,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 16:01:59,402 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 16:01:59,402 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 16:01:59,405 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 16:01:59,406 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 16:01:59,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 16:01:59,407 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 16:01:59,407 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 16:01:59,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 16:01:59,415 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 16:01:59,416 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 16:01:59,416 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 16:01:59,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 16:01:59,417 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 16:01:59,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 16:01:59,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 16:01:59,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 16:01:59,421 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 16:01:59,454 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 16:01:59,455 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 16:01:59,456 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 16:01:59,456 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 16:01:59,457 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 16:01:59,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 16:01:59,457 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 16:01:59,457 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 16:01:59,458 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 16:01:59,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 16:01:59,459 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 16:01:59,459 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 16:01:59,459 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 16:01:59,460 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 16:01:59,460 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 16:01:59,460 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 16:01:59,460 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 16:01:59,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 16:01:59,460 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 16:01:59,461 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 16:01:59,461 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 16:01:59,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 16:01:59,461 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 16:01:59,462 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 16:01:59,462 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 16:01:59,462 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 16:01:59,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 16:01:59,462 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 16:01:59,463 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 16:01:59,463 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 -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true [2020-08-18 16:01:59,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 16:01:59,755 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 16:01:59,760 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 16:01:59,762 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 16:01:59,762 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 16:01:59,763 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product17.cil.c [2020-08-18 16:01:59,822 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1aad3f304/dee2f9e32d1145afa4fe6fc2046d7d9f/FLAG9b06cd9d2 [2020-08-18 16:02:00,344 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 16:02:00,345 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product17.cil.c [2020-08-18 16:02:00,361 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1aad3f304/dee2f9e32d1145afa4fe6fc2046d7d9f/FLAG9b06cd9d2 [2020-08-18 16:02:00,645 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1aad3f304/dee2f9e32d1145afa4fe6fc2046d7d9f [2020-08-18 16:02:00,654 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 16:02:00,656 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 16:02:00,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 16:02:00,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 16:02:00,661 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 16:02:00,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 04:02:00" (1/1) ... [2020-08-18 16:02:00,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21046f02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:02:00, skipping insertion in model container [2020-08-18 16:02:00,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 04:02:00" (1/1) ... [2020-08-18 16:02:00,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 16:02:00,724 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 16:02:01,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 16:02:01,192 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 16:02:01,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 16:02:01,300 INFO L208 MainTranslator]: Completed translation [2020-08-18 16:02:01,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:02:01 WrapperNode [2020-08-18 16:02:01,301 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 16:02:01,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 16:02:01,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 16:02:01,302 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 16:02:01,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:02:01" (1/1) ... [2020-08-18 16:02:01,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:02:01" (1/1) ... [2020-08-18 16:02:01,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:02:01" (1/1) ... [2020-08-18 16:02:01,335 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:02:01" (1/1) ... [2020-08-18 16:02:01,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:02:01" (1/1) ... [2020-08-18 16:02:01,378 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:02:01" (1/1) ... [2020-08-18 16:02:01,383 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:02:01" (1/1) ... [2020-08-18 16:02:01,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 16:02:01,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 16:02:01,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 16:02:01,394 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 16:02:01,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:02:01" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-08-18 16:02:01,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 16:02:01,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 16:02:01,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 16:02:01,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-18 16:02:01,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 16:02:01,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 16:02:01,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 16:02:01,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 16:02:01,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 16:02:01,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 16:02:01,467 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 16:02:01,468 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 16:02:01,469 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 16:02:01,469 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 16:02:01,469 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 16:02:01,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 16:02:01,470 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 16:02:01,470 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-18 16:02:01,470 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 16:02:01,470 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 16:02:01,471 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 16:02:01,471 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 16:02:01,471 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 16:02:01,471 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 16:02:01,471 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-18 16:02:01,472 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 16:02:01,472 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 16:02:01,472 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 16:02:01,472 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 16:02:01,473 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 16:02:01,473 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 16:02:01,473 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-18 16:02:01,473 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 16:02:01,473 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 16:02:01,474 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 16:02:01,474 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 16:02:01,474 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 16:02:01,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 16:02:01,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 16:02:01,474 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 16:02:01,475 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 16:02:01,475 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 16:02:01,475 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 16:02:01,475 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-18 16:02:01,475 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 16:02:01,475 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 16:02:01,477 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 16:02:01,477 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 16:02:01,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 16:02:01,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 16:02:01,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 16:02:01,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 16:02:01,478 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 16:02:01,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 16:02:01,479 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 16:02:01,479 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 16:02:01,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 16:02:01,479 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 16:02:01,479 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 16:02:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 16:02:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 16:02:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 16:02:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 16:02:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 16:02:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 16:02:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 16:02:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 16:02:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 16:02:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 16:02:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 16:02:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 16:02:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 16:02:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 16:02:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 16:02:01,483 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 16:02:01,483 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 16:02:01,483 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-18 16:02:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 16:02:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 16:02:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 16:02:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-18 16:02:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-18 16:02:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 16:02:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 16:02:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 16:02:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 16:02:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 16:02:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 16:02:02,587 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 16:02:02,587 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 16:02:02,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 04:02:02 BoogieIcfgContainer [2020-08-18 16:02:02,592 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 16:02:02,594 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 16:02:02,594 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 16:02:02,597 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 16:02:02,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 04:02:00" (1/3) ... [2020-08-18 16:02:02,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cdbdd2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 04:02:02, skipping insertion in model container [2020-08-18 16:02:02,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:02:01" (2/3) ... [2020-08-18 16:02:02,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cdbdd2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 04:02:02, skipping insertion in model container [2020-08-18 16:02:02,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 04:02:02" (3/3) ... [2020-08-18 16:02:02,601 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product17.cil.c [2020-08-18 16:02:02,610 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 16:02:02,616 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 16:02:02,627 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 16:02:02,652 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 16:02:02,653 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 16:02:02,653 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 16:02:02,653 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 16:02:02,653 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 16:02:02,653 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 16:02:02,654 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 16:02:02,654 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 16:02:02,675 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states. [2020-08-18 16:02:02,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-18 16:02:02,684 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:02:02,685 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] [2020-08-18 16:02:02,685 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:02:02,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:02:02,690 INFO L82 PathProgramCache]: Analyzing trace with hash -697118378, now seen corresponding path program 1 times [2020-08-18 16:02:02,697 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:02:02,697 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [496054460] [2020-08-18 16:02:02,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:02:02,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:03,319 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:02:03,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:02:03,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:03,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:02:03,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:03,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:02:03,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:03,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:02:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:03,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:02:03,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:03,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 16:02:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:03,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 16:02:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:03,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 16:02:03,424 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [496054460] [2020-08-18 16:02:03,426 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 16:02:03,427 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 16:02:03,428 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215832799] [2020-08-18 16:02:03,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 16:02:03,434 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:02:03,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 16:02:03,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 16:02:03,452 INFO L87 Difference]: Start difference. First operand 150 states. Second operand 3 states. [2020-08-18 16:02:04,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:02:04,496 INFO L93 Difference]: Finished difference Result 247 states and 327 transitions. [2020-08-18 16:02:04,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 16:02:04,499 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-18 16:02:04,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:02:04,515 INFO L225 Difference]: With dead ends: 247 [2020-08-18 16:02:04,515 INFO L226 Difference]: Without dead ends: 134 [2020-08-18 16:02:04,520 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 16:02:04,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-08-18 16:02:04,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 104. [2020-08-18 16:02:04,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-08-18 16:02:04,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 121 transitions. [2020-08-18 16:02:04,612 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 121 transitions. Word has length 46 [2020-08-18 16:02:04,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:02:04,613 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 121 transitions. [2020-08-18 16:02:04,613 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 16:02:04,613 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2020-08-18 16:02:04,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-18 16:02:04,616 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:02:04,617 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] [2020-08-18 16:02:04,617 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 16:02:04,617 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:02:04,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:02:04,618 INFO L82 PathProgramCache]: Analyzing trace with hash -133554589, now seen corresponding path program 1 times [2020-08-18 16:02:04,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:02:04,619 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1790843678] [2020-08-18 16:02:04,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:02:04,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:04,966 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:02:04,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:02:04,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:05,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:02:05,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:05,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:02:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:05,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:02:05,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:05,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:02:05,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:05,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 16:02:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:05,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 16:02:05,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:05,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 16:02:05,044 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1790843678] [2020-08-18 16:02:05,045 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 16:02:05,045 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 16:02:05,045 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616202575] [2020-08-18 16:02:05,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 16:02:05,048 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:02:05,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 16:02:05,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 16:02:05,049 INFO L87 Difference]: Start difference. First operand 104 states and 121 transitions. Second operand 4 states. [2020-08-18 16:02:05,470 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 16:02:06,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:02:06,074 INFO L93 Difference]: Finished difference Result 180 states and 218 transitions. [2020-08-18 16:02:06,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 16:02:06,075 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-18 16:02:06,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:02:06,078 INFO L225 Difference]: With dead ends: 180 [2020-08-18 16:02:06,078 INFO L226 Difference]: Without dead ends: 118 [2020-08-18 16:02:06,080 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-18 16:02:06,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-08-18 16:02:06,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 95. [2020-08-18 16:02:06,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-08-18 16:02:06,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2020-08-18 16:02:06,112 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 47 [2020-08-18 16:02:06,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:02:06,113 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2020-08-18 16:02:06,113 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 16:02:06,113 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2020-08-18 16:02:06,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-18 16:02:06,115 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:02:06,115 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] [2020-08-18 16:02:06,115 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 16:02:06,116 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:02:06,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:02:06,116 INFO L82 PathProgramCache]: Analyzing trace with hash 70814948, now seen corresponding path program 1 times [2020-08-18 16:02:06,116 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:02:06,117 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1250378488] [2020-08-18 16:02:06,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:02:06,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:06,476 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:02:06,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:02:06,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:06,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:02:06,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:06,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:02:06,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:06,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:02:06,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:06,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:02:06,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:06,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 16:02:06,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:06,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 16:02:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:06,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 16:02:06,571 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1250378488] [2020-08-18 16:02:06,571 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 16:02:06,571 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 16:02:06,572 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187864149] [2020-08-18 16:02:06,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 16:02:06,573 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:02:06,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 16:02:06,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 16:02:06,574 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand 8 states. [2020-08-18 16:02:06,981 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 16:02:07,284 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:02:07,552 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:02:07,804 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:02:08,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:02:08,677 INFO L93 Difference]: Finished difference Result 189 states and 232 transitions. [2020-08-18 16:02:08,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 16:02:08,678 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-08-18 16:02:08,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:02:08,685 INFO L225 Difference]: With dead ends: 189 [2020-08-18 16:02:08,685 INFO L226 Difference]: Without dead ends: 118 [2020-08-18 16:02:08,687 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-18 16:02:08,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-08-18 16:02:08,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 95. [2020-08-18 16:02:08,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-08-18 16:02:08,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2020-08-18 16:02:08,729 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 51 [2020-08-18 16:02:08,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:02:08,730 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2020-08-18 16:02:08,730 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 16:02:08,730 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2020-08-18 16:02:08,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-18 16:02:08,732 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:02:08,732 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 16:02:08,733 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 16:02:08,733 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:02:08,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:02:08,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1870012479, now seen corresponding path program 1 times [2020-08-18 16:02:08,734 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:02:08,734 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [409556145] [2020-08-18 16:02:08,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:02:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:09,047 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:02:09,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:02:09,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:09,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:02:09,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:09,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:02:09,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:09,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:02:09,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:09,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:02:09,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:09,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-08-18 16:02:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:09,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 16:02:09,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:09,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-18 16:02:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:09,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-18 16:02:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:09,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 16:02:09,158 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [409556145] [2020-08-18 16:02:09,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 16:02:09,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 16:02:09,158 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800712326] [2020-08-18 16:02:09,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 16:02:09,159 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:02:09,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 16:02:09,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 16:02:09,161 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand 8 states. [2020-08-18 16:02:09,527 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 16:02:10,493 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:02:10,801 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:02:11,063 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:02:11,323 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 16:02:11,686 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 16:02:12,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:02:12,332 INFO L93 Difference]: Finished difference Result 294 states and 384 transitions. [2020-08-18 16:02:12,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 16:02:12,334 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2020-08-18 16:02:12,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:02:12,339 INFO L225 Difference]: With dead ends: 294 [2020-08-18 16:02:12,339 INFO L226 Difference]: Without dead ends: 223 [2020-08-18 16:02:12,340 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-08-18 16:02:12,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2020-08-18 16:02:12,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 157. [2020-08-18 16:02:12,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-08-18 16:02:12,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 182 transitions. [2020-08-18 16:02:12,385 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 182 transitions. Word has length 59 [2020-08-18 16:02:12,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:02:12,386 INFO L479 AbstractCegarLoop]: Abstraction has 157 states and 182 transitions. [2020-08-18 16:02:12,386 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 16:02:12,386 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 182 transitions. [2020-08-18 16:02:12,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-08-18 16:02:12,389 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:02:12,389 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] [2020-08-18 16:02:12,390 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 16:02:12,390 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:02:12,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:02:12,390 INFO L82 PathProgramCache]: Analyzing trace with hash 654505667, now seen corresponding path program 1 times [2020-08-18 16:02:12,390 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:02:12,391 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1535405692] [2020-08-18 16:02:12,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:02:12,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:12,729 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:02:12,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:02:12,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:12,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:02:12,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:12,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:02:12,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:12,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:02:12,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:12,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:02:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:12,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-18 16:02:12,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:12,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 16:02:12,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:12,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 16:02:12,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:12,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-18 16:02:12,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:12,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 16:02:12,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:12,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 16:02:12,848 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1535405692] [2020-08-18 16:02:12,849 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 16:02:12,849 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 16:02:12,849 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550893079] [2020-08-18 16:02:12,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 16:02:12,851 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:02:12,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 16:02:12,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 16:02:12,852 INFO L87 Difference]: Start difference. First operand 157 states and 182 transitions. Second operand 9 states. [2020-08-18 16:02:13,233 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 16:02:13,975 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:02:14,210 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:02:14,450 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:02:14,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:02:14,616 INFO L93 Difference]: Finished difference Result 273 states and 338 transitions. [2020-08-18 16:02:14,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 16:02:14,617 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2020-08-18 16:02:14,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:02:14,618 INFO L225 Difference]: With dead ends: 273 [2020-08-18 16:02:14,618 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 16:02:14,621 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-08-18 16:02:14,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 16:02:14,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 16:02:14,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 16:02:14,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 16:02:14,622 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2020-08-18 16:02:14,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:02:14,622 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 16:02:14,623 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 16:02:14,623 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 16:02:14,623 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 16:02:14,623 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 16:02:14,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 16:02:16,682 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-08-18 16:02:16,982 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-08-18 16:02:17,135 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-18 16:02:17,291 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-18 16:02:17,530 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:02:17,725 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-08-18 16:02:18,046 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-08-18 16:02:18,239 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-08-18 16:02:18,520 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 12 [2020-08-18 16:02:18,875 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12 [2020-08-18 16:02:19,237 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-08-18 16:02:19,399 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-18 16:02:19,566 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-18 16:02:19,724 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-18 16:02:19,893 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-18 16:02:20,052 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-18 16:02:20,366 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-08-18 16:02:20,515 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-18 16:02:20,698 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-18 16:02:20,888 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-18 16:02:20,893 INFO L268 CegarLoopResult]: For program point L152(lines 152 156) no Hoare annotation was computed. [2020-08-18 16:02:20,893 INFO L268 CegarLoopResult]: For program point L152-1(lines 152 156) no Hoare annotation was computed. [2020-08-18 16:02:20,894 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-08-18 16:02:20,894 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 121 176) no Hoare annotation was computed. [2020-08-18 16:02:20,894 INFO L268 CegarLoopResult]: For program point L146-2(lines 146 167) no Hoare annotation was computed. [2020-08-18 16:02:20,894 INFO L268 CegarLoopResult]: For program point L168(lines 145 169) no Hoare annotation was computed. [2020-08-18 16:02:20,894 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 121 176) no Hoare annotation was computed. [2020-08-18 16:02:20,894 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 121 176) no Hoare annotation was computed. [2020-08-18 16:02:20,894 INFO L268 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-08-18 16:02:20,895 INFO L268 CegarLoopResult]: For program point L222-1(line 222) no Hoare annotation was computed. [2020-08-18 16:02:20,895 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 177 236) no Hoare annotation was computed. [2020-08-18 16:02:20,895 INFO L268 CegarLoopResult]: For program point L209(lines 209 213) no Hoare annotation was computed. [2020-08-18 16:02:20,895 INFO L268 CegarLoopResult]: For program point L209-1(lines 209 213) no Hoare annotation was computed. [2020-08-18 16:02:20,896 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 177 236) no Hoare annotation was computed. [2020-08-18 16:02:20,896 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-08-18 16:02:20,896 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 177 236) no Hoare annotation was computed. [2020-08-18 16:02:20,896 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 228) no Hoare annotation was computed. [2020-08-18 16:02:20,896 INFO L268 CegarLoopResult]: For program point L229(lines 202 230) no Hoare annotation was computed. [2020-08-18 16:02:20,897 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 878 884) the Hoare annotation is: true [2020-08-18 16:02:20,897 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 878 884) no Hoare annotation was computed. [2020-08-18 16:02:20,897 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 885 893) no Hoare annotation was computed. [2020-08-18 16:02:20,897 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 885 893) the Hoare annotation is: true [2020-08-18 16:02:20,897 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 885 893) no Hoare annotation was computed. [2020-08-18 16:02:20,897 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 515 537) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 16:02:20,898 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 515 537) no Hoare annotation was computed. [2020-08-18 16:02:20,898 INFO L264 CegarLoopResult]: At program point L527(line 527) the Hoare annotation is: (or (and (= main_~tmp~4 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 16:02:20,898 INFO L264 CegarLoopResult]: At program point L527-1(line 527) the Hoare annotation is: (or (and (= main_~tmp~4 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 16:02:20,898 INFO L268 CegarLoopResult]: For program point L525(lines 525 532) no Hoare annotation was computed. [2020-08-18 16:02:20,898 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 515 537) no Hoare annotation was computed. [2020-08-18 16:02:20,898 INFO L268 CegarLoopResult]: For program point L525-1(lines 525 532) no Hoare annotation was computed. [2020-08-18 16:02:20,898 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-08-18 16:02:20,899 INFO L264 CegarLoopResult]: At program point L522(line 522) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 16:02:20,899 INFO L264 CegarLoopResult]: At program point L521(line 521) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 16:02:20,899 INFO L264 CegarLoopResult]: At program point L521-1(line 521) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 16:02:20,899 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-08-18 16:02:20,899 INFO L268 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-08-18 16:02:20,899 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 470 493) no Hoare annotation was computed. [2020-08-18 16:02:20,899 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-08-18 16:02:20,900 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-08-18 16:02:20,900 INFO L268 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-08-18 16:02:20,900 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 470 493) no Hoare annotation was computed. [2020-08-18 16:02:20,900 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-08-18 16:02:20,900 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 470 493) no Hoare annotation was computed. [2020-08-18 16:02:20,900 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-08-18 16:02:20,900 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-08-18 16:02:20,900 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-08-18 16:02:20,901 INFO L268 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-08-18 16:02:20,901 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-08-18 16:02:20,901 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-08-18 16:02:20,901 INFO L268 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-08-18 16:02:20,901 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-08-18 16:02:20,901 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 640 648) no Hoare annotation was computed. [2020-08-18 16:02:20,902 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 640 648) the Hoare annotation is: true [2020-08-18 16:02:20,902 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 640 648) no Hoare annotation was computed. [2020-08-18 16:02:20,902 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 685 703) the Hoare annotation is: true [2020-08-18 16:02:20,902 INFO L268 CegarLoopResult]: For program point L694(lines 694 698) no Hoare annotation was computed. [2020-08-18 16:02:20,902 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 685 703) no Hoare annotation was computed. [2020-08-18 16:02:20,902 INFO L271 CegarLoopResult]: At program point L692(line 692) the Hoare annotation is: true [2020-08-18 16:02:20,902 INFO L268 CegarLoopResult]: For program point L694-2(lines 694 698) no Hoare annotation was computed. [2020-08-18 16:02:20,903 INFO L268 CegarLoopResult]: For program point L692-1(line 692) no Hoare annotation was computed. [2020-08-18 16:02:20,903 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 685 703) no Hoare annotation was computed. [2020-08-18 16:02:20,903 INFO L268 CegarLoopResult]: For program point L668(lines 668 676) no Hoare annotation was computed. [2020-08-18 16:02:20,903 INFO L268 CegarLoopResult]: For program point L668-2(lines 668 676) no Hoare annotation was computed. [2020-08-18 16:02:20,903 INFO L268 CegarLoopResult]: For program point L656(lines 656 664) no Hoare annotation was computed. [2020-08-18 16:02:20,903 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 649 684) no Hoare annotation was computed. [2020-08-18 16:02:20,903 INFO L268 CegarLoopResult]: For program point L656-2(lines 656 664) no Hoare annotation was computed. [2020-08-18 16:02:20,903 INFO L268 CegarLoopResult]: For program point L679(line 679) no Hoare annotation was computed. [2020-08-18 16:02:20,903 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 649 684) no Hoare annotation was computed. [2020-08-18 16:02:20,904 INFO L268 CegarLoopResult]: For program point L679-1(line 679) no Hoare annotation was computed. [2020-08-18 16:02:20,904 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 649 684) no Hoare annotation was computed. [2020-08-18 16:02:20,904 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 871 877) no Hoare annotation was computed. [2020-08-18 16:02:20,904 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 871 877) the Hoare annotation is: true [2020-08-18 16:02:20,904 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 75 120) no Hoare annotation was computed. [2020-08-18 16:02:20,904 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 75 120) no Hoare annotation was computed. [2020-08-18 16:02:20,904 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 75 120) no Hoare annotation was computed. [2020-08-18 16:02:20,904 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 388 433) no Hoare annotation was computed. [2020-08-18 16:02:20,905 INFO L268 CegarLoopResult]: For program point L408(lines 408 415) no Hoare annotation was computed. [2020-08-18 16:02:20,905 INFO L268 CegarLoopResult]: For program point L402(lines 402 422) no Hoare annotation was computed. [2020-08-18 16:02:20,905 INFO L268 CegarLoopResult]: For program point L402-1(lines 402 422) no Hoare annotation was computed. [2020-08-18 16:02:20,905 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 388 433) no Hoare annotation was computed. [2020-08-18 16:02:20,905 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 388 433) no Hoare annotation was computed. [2020-08-18 16:02:20,905 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 502 511) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 16:02:20,905 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 502 511) no Hoare annotation was computed. [2020-08-18 16:02:20,906 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 502 511) no Hoare annotation was computed. [2020-08-18 16:02:20,906 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 629 639) no Hoare annotation was computed. [2020-08-18 16:02:20,906 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 629 639) no Hoare annotation was computed. [2020-08-18 16:02:20,906 INFO L268 CegarLoopResult]: For program point L634(line 634) no Hoare annotation was computed. [2020-08-18 16:02:20,906 INFO L268 CegarLoopResult]: For program point L634-1(line 634) no Hoare annotation was computed. [2020-08-18 16:02:20,906 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 629 639) no Hoare annotation was computed. [2020-08-18 16:02:20,906 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 621 628) the Hoare annotation is: true [2020-08-18 16:02:20,906 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 621 628) no Hoare annotation was computed. [2020-08-18 16:02:20,907 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 621 628) no Hoare annotation was computed. [2020-08-18 16:02:20,907 INFO L264 CegarLoopResult]: At program point L607(line 607) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:02:20,907 INFO L268 CegarLoopResult]: For program point L607-1(lines 588 612) no Hoare annotation was computed. [2020-08-18 16:02:20,907 INFO L264 CegarLoopResult]: At program point L602(line 602) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:02:20,907 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 588 612) no Hoare annotation was computed. [2020-08-18 16:02:20,907 INFO L264 CegarLoopResult]: At program point L598(line 598) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:02:20,907 INFO L268 CegarLoopResult]: For program point L596(lines 596 604) no Hoare annotation was computed. [2020-08-18 16:02:20,907 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 588 612) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:02:20,908 INFO L264 CegarLoopResult]: At program point L594(line 594) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:02:20,908 INFO L268 CegarLoopResult]: For program point L594-1(line 594) no Hoare annotation was computed. [2020-08-18 16:02:20,908 INFO L268 CegarLoopResult]: For program point L592(lines 592 609) no Hoare annotation was computed. [2020-08-18 16:02:20,908 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 580 586) no Hoare annotation was computed. [2020-08-18 16:02:20,908 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 580 586) the Hoare annotation is: true [2020-08-18 16:02:20,908 INFO L264 CegarLoopResult]: At program point testENTRY(lines 795 858) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 16:02:20,909 INFO L268 CegarLoopResult]: For program point testFINAL(lines 795 858) no Hoare annotation was computed. [2020-08-18 16:02:20,909 INFO L264 CegarLoopResult]: At program point L851(lines 804 852) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 16:02:20,909 INFO L268 CegarLoopResult]: For program point L841(lines 841 845) no Hoare annotation was computed. [2020-08-18 16:02:20,909 INFO L264 CegarLoopResult]: At program point L841-2(lines 835 846) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 16:02:20,909 INFO L268 CegarLoopResult]: For program point L806(lines 805 850) no Hoare annotation was computed. [2020-08-18 16:02:20,909 INFO L268 CegarLoopResult]: For program point L835(lines 835 846) no Hoare annotation was computed. [2020-08-18 16:02:20,910 INFO L264 CegarLoopResult]: At program point L827(line 827) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 16:02:20,910 INFO L268 CegarLoopResult]: For program point L825(lines 825 831) no Hoare annotation was computed. [2020-08-18 16:02:20,910 INFO L268 CegarLoopResult]: For program point L825-1(lines 825 831) no Hoare annotation was computed. [2020-08-18 16:02:20,910 INFO L264 CegarLoopResult]: At program point L817(line 817) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 16:02:20,910 INFO L264 CegarLoopResult]: At program point L848(lines 805 850) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 16:02:20,910 INFO L268 CegarLoopResult]: For program point L815(lines 815 821) no Hoare annotation was computed. [2020-08-18 16:02:20,910 INFO L268 CegarLoopResult]: For program point L815-1(lines 815 821) no Hoare annotation was computed. [2020-08-18 16:02:20,911 INFO L268 CegarLoopResult]: For program point L807(lines 807 811) no Hoare annotation was computed. [2020-08-18 16:02:20,911 INFO L268 CegarLoopResult]: For program point testEXIT(lines 795 858) no Hoare annotation was computed. [2020-08-18 16:02:20,911 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 342 387) no Hoare annotation was computed. [2020-08-18 16:02:20,911 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 342 387) no Hoare annotation was computed. [2020-08-18 16:02:20,911 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 342 387) no Hoare annotation was computed. [2020-08-18 16:02:20,911 INFO L268 CegarLoopResult]: For program point L362(lines 362 369) no Hoare annotation was computed. [2020-08-18 16:02:20,911 INFO L268 CegarLoopResult]: For program point L356(lines 356 376) no Hoare annotation was computed. [2020-08-18 16:02:20,911 INFO L268 CegarLoopResult]: For program point L356-1(lines 356 376) no Hoare annotation was computed. [2020-08-18 16:02:20,912 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 785 793) no Hoare annotation was computed. [2020-08-18 16:02:20,912 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 785 793) the Hoare annotation is: true [2020-08-18 16:02:20,912 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 785 793) no Hoare annotation was computed. [2020-08-18 16:02:20,912 INFO L268 CegarLoopResult]: For program point L761(lines 761 769) no Hoare annotation was computed. [2020-08-18 16:02:20,912 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 753 775) no Hoare annotation was computed. [2020-08-18 16:02:20,912 INFO L268 CegarLoopResult]: For program point L761-2(lines 761 769) no Hoare annotation was computed. [2020-08-18 16:02:20,912 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 753 775) no Hoare annotation was computed. [2020-08-18 16:02:20,913 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 753 775) no Hoare annotation was computed. [2020-08-18 16:02:20,913 INFO L268 CegarLoopResult]: For program point L289(lines 288 308) no Hoare annotation was computed. [2020-08-18 16:02:20,913 INFO L268 CegarLoopResult]: For program point L320(line 320) no Hoare annotation was computed. [2020-08-18 16:02:20,913 INFO L268 CegarLoopResult]: For program point L320-1(line 320) no Hoare annotation was computed. [2020-08-18 16:02:20,913 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 239 341) no Hoare annotation was computed. [2020-08-18 16:02:20,913 INFO L268 CegarLoopResult]: For program point L285(lines 285 326) no Hoare annotation was computed. [2020-08-18 16:02:20,913 INFO L268 CegarLoopResult]: For program point L304(line 304) no Hoare annotation was computed. [2020-08-18 16:02:20,913 INFO L268 CegarLoopResult]: For program point L304-1(line 304) no Hoare annotation was computed. [2020-08-18 16:02:20,914 INFO L268 CegarLoopResult]: For program point L263(lines 263 267) no Hoare annotation was computed. [2020-08-18 16:02:20,914 INFO L268 CegarLoopResult]: For program point L327(lines 327 338) no Hoare annotation was computed. [2020-08-18 16:02:20,914 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 239 341) no Hoare annotation was computed. [2020-08-18 16:02:20,914 INFO L268 CegarLoopResult]: For program point L290(lines 290 294) no Hoare annotation was computed. [2020-08-18 16:02:20,914 INFO L268 CegarLoopResult]: For program point L288-2(lines 288 308) no Hoare annotation was computed. [2020-08-18 16:02:20,914 INFO L268 CegarLoopResult]: For program point L309(lines 287 310) no Hoare annotation was computed. [2020-08-18 16:02:20,914 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 239 341) no Hoare annotation was computed. [2020-08-18 16:02:20,914 INFO L268 CegarLoopResult]: For program point L268(lines 268 284) no Hoare annotation was computed. [2020-08-18 16:02:20,915 INFO L268 CegarLoopResult]: For program point L328(lines 328 335) no Hoare annotation was computed. [2020-08-18 16:02:20,915 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 861 870) no Hoare annotation was computed. [2020-08-18 16:02:20,915 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 861 870) no Hoare annotation was computed. [2020-08-18 16:02:20,915 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 861 870) no Hoare annotation was computed. [2020-08-18 16:02:20,915 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 16:02:20,916 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 16:02:20,916 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 16:02:20,916 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 613 620) no Hoare annotation was computed. [2020-08-18 16:02:20,916 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 613 620) no Hoare annotation was computed. [2020-08-18 16:02:20,916 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 613 620) no Hoare annotation was computed. [2020-08-18 16:02:20,916 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 776 784) no Hoare annotation was computed. [2020-08-18 16:02:20,916 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 776 784) no Hoare annotation was computed. [2020-08-18 16:02:20,916 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 776 784) no Hoare annotation was computed. [2020-08-18 16:02:20,917 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 16:02:20,917 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 16:02:20,917 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 16:02:20,917 INFO L268 CegarLoopResult]: For program point L736-1(lines 732 743) no Hoare annotation was computed. [2020-08-18 16:02:20,917 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 732 743) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-18 16:02:20,917 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 732 743) no Hoare annotation was computed. [2020-08-18 16:02:20,917 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 744 752) the Hoare annotation is: true [2020-08-18 16:02:20,918 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 744 752) no Hoare annotation was computed. [2020-08-18 16:02:20,918 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 744 752) no Hoare annotation was computed. [2020-08-18 16:02:20,918 INFO L264 CegarLoopResult]: At program point L569(line 569) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:02:20,918 INFO L264 CegarLoopResult]: At program point L567(lines 567 573) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:02:20,918 INFO L264 CegarLoopResult]: At program point L562(line 562) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:02:20,918 INFO L268 CegarLoopResult]: For program point L560(lines 559 578) no Hoare annotation was computed. [2020-08-18 16:02:20,918 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 556 579) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:02:20,919 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 556 579) no Hoare annotation was computed. [2020-08-18 16:02:20,919 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 556 579) no Hoare annotation was computed. [2020-08-18 16:02:20,919 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-08-18 16:02:20,919 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 437 466) no Hoare annotation was computed. [2020-08-18 16:02:20,919 INFO L271 CegarLoopResult]: At program point L447-2(lines 447 461) the Hoare annotation is: true [2020-08-18 16:02:20,919 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 437 466) the Hoare annotation is: true [2020-08-18 16:02:20,919 INFO L271 CegarLoopResult]: At program point L443(line 443) the Hoare annotation is: true [2020-08-18 16:02:20,919 INFO L268 CegarLoopResult]: For program point L443-1(line 443) no Hoare annotation was computed. [2020-08-18 16:02:20,920 INFO L271 CegarLoopResult]: At program point L462(lines 437 466) the Hoare annotation is: true [2020-08-18 16:02:20,920 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-08-18 16:02:20,920 INFO L268 CegarLoopResult]: For program point L451(lines 451 455) no Hoare annotation was computed. [2020-08-18 16:02:20,920 INFO L271 CegarLoopResult]: At program point L451-1(lines 451 455) the Hoare annotation is: true [2020-08-18 16:02:20,920 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 708 719) the Hoare annotation is: true [2020-08-18 16:02:20,920 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 708 719) no Hoare annotation was computed. [2020-08-18 16:02:20,920 INFO L268 CegarLoopResult]: For program point L712-1(lines 708 719) no Hoare annotation was computed. [2020-08-18 16:02:20,920 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 494 500) no Hoare annotation was computed. [2020-08-18 16:02:20,921 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 494 500) the Hoare annotation is: true [2020-08-18 16:02:20,921 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 16:02:20,921 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-18 16:02:20,921 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 16:02:20,921 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 16:02:20,921 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 720 731) no Hoare annotation was computed. [2020-08-18 16:02:20,921 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 720 731) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 16:02:20,922 INFO L268 CegarLoopResult]: For program point L724-1(lines 720 731) no Hoare annotation was computed. [2020-08-18 16:02:20,922 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 539 546) no Hoare annotation was computed. [2020-08-18 16:02:20,922 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 543) no Hoare annotation was computed. [2020-08-18 16:02:20,922 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 539 546) the Hoare annotation is: true [2020-08-18 16:02:20,922 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 539 546) no Hoare annotation was computed. [2020-08-18 16:02:20,922 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2020-08-18 16:02:20,922 INFO L264 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 16:02:20,923 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2020-08-18 16:02:20,923 INFO L268 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2020-08-18 16:02:20,923 INFO L264 CegarLoopResult]: At program point L53(line 53) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 16:02:20,923 INFO L268 CegarLoopResult]: For program point L53-1(line 53) no Hoare annotation was computed. [2020-08-18 16:02:20,923 INFO L268 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2020-08-18 16:02:20,923 INFO L268 CegarLoopResult]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2020-08-18 16:02:20,923 INFO L271 CegarLoopResult]: At program point L49(line 49) the Hoare annotation is: true [2020-08-18 16:02:20,923 INFO L268 CegarLoopResult]: For program point L49-1(line 49) no Hoare annotation was computed. [2020-08-18 16:02:20,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 04:02:20 BoogieIcfgContainer [2020-08-18 16:02:20,941 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 16:02:20,943 INFO L168 Benchmark]: Toolchain (without parser) took 20286.66 ms. Allocated memory was 141.0 MB in the beginning and 540.5 MB in the end (delta: 399.5 MB). Free memory was 103.3 MB in the beginning and 251.6 MB in the end (delta: -148.3 MB). Peak memory consumption was 416.9 MB. Max. memory is 7.1 GB. [2020-08-18 16:02:20,944 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-18 16:02:20,945 INFO L168 Benchmark]: CACSL2BoogieTranslator took 643.97 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 103.1 MB in the beginning and 171.5 MB in the end (delta: -68.4 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2020-08-18 16:02:20,945 INFO L168 Benchmark]: Boogie Preprocessor took 92.31 ms. Allocated memory is still 204.5 MB. Free memory was 171.5 MB in the beginning and 167.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-08-18 16:02:20,946 INFO L168 Benchmark]: RCFGBuilder took 1198.53 ms. Allocated memory was 204.5 MB in the beginning and 234.4 MB in the end (delta: 29.9 MB). Free memory was 167.6 MB in the beginning and 193.2 MB in the end (delta: -25.6 MB). Peak memory consumption was 79.9 MB. Max. memory is 7.1 GB. [2020-08-18 16:02:20,947 INFO L168 Benchmark]: TraceAbstraction took 18347.19 ms. Allocated memory was 234.4 MB in the beginning and 540.5 MB in the end (delta: 306.2 MB). Free memory was 193.2 MB in the beginning and 251.6 MB in the end (delta: -58.4 MB). Peak memory consumption was 413.4 MB. Max. memory is 7.1 GB. [2020-08-18 16:02:20,952 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 643.97 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 103.1 MB in the beginning and 171.5 MB in the end (delta: -68.4 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.31 ms. Allocated memory is still 204.5 MB. Free memory was 171.5 MB in the beginning and 167.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1198.53 ms. Allocated memory was 204.5 MB in the beginning and 234.4 MB in the end (delta: 29.9 MB). Free memory was 167.6 MB in the beginning and 193.2 MB in the end (delta: -25.6 MB). Peak memory consumption was 79.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18347.19 ms. Allocated memory was 234.4 MB in the beginning and 540.5 MB in the end (delta: 306.2 MB). Free memory was 193.2 MB in the beginning and 251.6 MB in the end (delta: -58.4 MB). Peak memory consumption was 413.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 543]: 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: 804]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 214 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 417 SDtfs, 601 SDslu, 263 SDs, 0 SdLazy, 1508 SolverSat, 355 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 129 GetRequests, 88 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=157occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 142 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 235 PreInvPairs, 261 NumberOfFragments, 652 HoareAnnotationTreeSize, 235 FomulaSimplifications, 33793 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 49 FomulaSimplificationsInter, 7142 FormulaSimplificationTreeSizeReductionInter, 4.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 266 NumberOfCodeBlocks, 266 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 261 ConstructedInterpolants, 0 QuantifiedInterpolants, 74058 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...