./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product44.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f9bb25-57b1-4d8a-8a51-598d49bbbe48/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f9bb25-57b1-4d8a-8a51-598d49bbbe48/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f9bb25-57b1-4d8a-8a51-598d49bbbe48/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f9bb25-57b1-4d8a-8a51-598d49bbbe48/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product44.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f9bb25-57b1-4d8a-8a51-598d49bbbe48/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f9bb25-57b1-4d8a-8a51-598d49bbbe48/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 40ec21bd2775f54496a6d376e4b1b562b086a4c18151452e7b83204c384db515 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 08:21:45,047 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 08:21:45,097 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f9bb25-57b1-4d8a-8a51-598d49bbbe48/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-12-02 08:21:45,101 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 08:21:45,101 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 08:21:45,119 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 08:21:45,120 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 08:21:45,120 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 08:21:45,120 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 08:21:45,120 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 08:21:45,121 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 08:21:45,121 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 08:21:45,121 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 08:21:45,121 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-12-02 08:21:45,121 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-12-02 08:21:45,122 INFO L153 SettingsManager]: * Use old map elimination=false [2024-12-02 08:21:45,122 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-12-02 08:21:45,122 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-12-02 08:21:45,122 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-12-02 08:21:45,122 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 08:21:45,122 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-12-02 08:21:45,122 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 08:21:45,122 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 08:21:45,122 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 08:21:45,123 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 08:21:45,123 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-12-02 08:21:45,123 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-12-02 08:21:45,123 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-12-02 08:21:45,123 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 08:21:45,123 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 08:21:45,123 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 08:21:45,123 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-12-02 08:21:45,123 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 08:21:45,123 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 08:21:45,124 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 08:21:45,124 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:21:45,124 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 08:21:45,124 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-12-02 08:21:45,124 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-12-02 08:21:45,124 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f9bb25-57b1-4d8a-8a51-598d49bbbe48/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40ec21bd2775f54496a6d376e4b1b562b086a4c18151452e7b83204c384db515 [2024-12-02 08:21:45,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 08:21:45,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 08:21:45,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 08:21:45,321 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 08:21:45,322 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 08:21:45,323 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f9bb25-57b1-4d8a-8a51-598d49bbbe48/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/minepump_spec3_product44.cil.c [2024-12-02 08:21:47,918 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f9bb25-57b1-4d8a-8a51-598d49bbbe48/bin/uautomizer-verify-84ZbGMXZE1/data/1ccebf95d/444608bb78484916bc0190080a681990/FLAGf283220ea [2024-12-02 08:21:48,151 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 08:21:48,152 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f9bb25-57b1-4d8a-8a51-598d49bbbe48/sv-benchmarks/c/product-lines/minepump_spec3_product44.cil.c [2024-12-02 08:21:48,162 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f9bb25-57b1-4d8a-8a51-598d49bbbe48/bin/uautomizer-verify-84ZbGMXZE1/data/1ccebf95d/444608bb78484916bc0190080a681990/FLAGf283220ea [2024-12-02 08:21:48,503 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f9bb25-57b1-4d8a-8a51-598d49bbbe48/bin/uautomizer-verify-84ZbGMXZE1/data/1ccebf95d/444608bb78484916bc0190080a681990 [2024-12-02 08:21:48,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 08:21:48,506 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 08:21:48,507 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 08:21:48,507 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 08:21:48,510 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 08:21:48,510 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:21:48" (1/1) ... [2024-12-02 08:21:48,511 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cd3d844 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:48, skipping insertion in model container [2024-12-02 08:21:48,511 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:21:48" (1/1) ... [2024-12-02 08:21:48,528 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 08:21:48,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:21:48,736 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 08:21:48,744 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2024-12-02 08:21:48,745 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [153] [2024-12-02 08:21:48,745 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [191] [2024-12-02 08:21:48,745 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [288] [2024-12-02 08:21:48,745 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [323] [2024-12-02 08:21:48,745 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [332] [2024-12-02 08:21:48,745 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [698] [2024-12-02 08:21:48,746 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [895] [2024-12-02 08:21:48,796 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:21:48,814 INFO L204 MainTranslator]: Completed translation [2024-12-02 08:21:48,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:48 WrapperNode [2024-12-02 08:21:48,814 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 08:21:48,815 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 08:21:48,815 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 08:21:48,815 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 08:21:48,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:48" (1/1) ... [2024-12-02 08:21:48,832 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:48" (1/1) ... [2024-12-02 08:21:48,856 INFO L138 Inliner]: procedures = 55, calls = 100, calls flagged for inlining = 53, calls inlined = 65, statements flattened = 443 [2024-12-02 08:21:48,856 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 08:21:48,857 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 08:21:48,857 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 08:21:48,857 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 08:21:48,865 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:48" (1/1) ... [2024-12-02 08:21:48,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:48" (1/1) ... [2024-12-02 08:21:48,867 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:48" (1/1) ... [2024-12-02 08:21:48,880 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 08:21:48,880 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:48" (1/1) ... [2024-12-02 08:21:48,880 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:48" (1/1) ... [2024-12-02 08:21:48,887 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:48" (1/1) ... [2024-12-02 08:21:48,888 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:48" (1/1) ... [2024-12-02 08:21:48,893 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:48" (1/1) ... [2024-12-02 08:21:48,894 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:48" (1/1) ... [2024-12-02 08:21:48,895 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:48" (1/1) ... [2024-12-02 08:21:48,897 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 08:21:48,898 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 08:21:48,898 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 08:21:48,898 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 08:21:48,899 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:48" (1/1) ... [2024-12-02 08:21:48,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 08:21:48,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f9bb25-57b1-4d8a-8a51-598d49bbbe48/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:21:48,926 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f9bb25-57b1-4d8a-8a51-598d49bbbe48/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 08:21:48,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f9bb25-57b1-4d8a-8a51-598d49bbbe48/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-12-02 08:21:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 08:21:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 08:21:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 08:21:48,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 08:21:49,008 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 08:21:49,009 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 08:21:49,312 INFO L? ?]: Removed 103 outVars from TransFormulas that were not future-live. [2024-12-02 08:21:49,312 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 08:21:49,320 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 08:21:49,321 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-02 08:21:49,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:21:49 BoogieIcfgContainer [2024-12-02 08:21:49,321 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 08:21:49,322 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-12-02 08:21:49,322 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-12-02 08:21:49,327 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-12-02 08:21:49,327 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 08:21:49,327 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 08:21:48" (1/3) ... [2024-12-02 08:21:49,328 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15cde08b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 08:21:49, skipping insertion in model container [2024-12-02 08:21:49,328 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 08:21:49,328 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:48" (2/3) ... [2024-12-02 08:21:49,328 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15cde08b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 08:21:49, skipping insertion in model container [2024-12-02 08:21:49,328 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 08:21:49,328 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:21:49" (3/3) ... [2024-12-02 08:21:49,329 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product44.cil.c [2024-12-02 08:21:49,372 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-12-02 08:21:49,372 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-12-02 08:21:49,372 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-12-02 08:21:49,372 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-12-02 08:21:49,372 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-12-02 08:21:49,372 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-12-02 08:21:49,372 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-12-02 08:21:49,372 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-12-02 08:21:49,376 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 129 states, 128 states have (on average 1.3671875) internal successors, (175), 128 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:21:49,390 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 83 [2024-12-02 08:21:49,391 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 08:21:49,391 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 08:21:49,396 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:21:49,396 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:21:49,396 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-12-02 08:21:49,396 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 129 states, 128 states have (on average 1.3671875) internal successors, (175), 128 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:21:49,400 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 83 [2024-12-02 08:21:49,400 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 08:21:49,400 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 08:21:49,401 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:21:49,401 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:21:49,405 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-12-02 08:21:49,406 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet49#1;test_~tmp~8#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1;" "assume !(0 != test_~tmp~8#1);" "havoc test_#t~nondet50#1;test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet51#1;test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~1#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1;" "__utac_acc__Specification3_spec__1_#t~ret5#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~1#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~1#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~1#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-12-02 08:21:49,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:21:49,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-12-02 08:21:49,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 08:21:49,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500331087] [2024-12-02 08:21:49,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:21:49,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:21:49,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 08:21:49,486 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 08:21:49,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 08:21:49,511 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 08:21:49,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:21:49,513 INFO L85 PathProgramCache]: Analyzing trace with hash 819374623, now seen corresponding path program 1 times [2024-12-02 08:21:49,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 08:21:49,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642446470] [2024-12-02 08:21:49,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:21:49,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:21:49,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:21:49,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 08:21:49,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642446470] [2024-12-02 08:21:49,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642446470] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:21:49,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1339258913] [2024-12-02 08:21:49,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:21:49,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:21:49,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f9bb25-57b1-4d8a-8a51-598d49bbbe48/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:21:49,580 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f9bb25-57b1-4d8a-8a51-598d49bbbe48/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:21:49,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f9bb25-57b1-4d8a-8a51-598d49bbbe48/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 08:21:49,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:21:49,624 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 08:21:49,625 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:21:49,644 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 08:21:49,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1339258913] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 08:21:49,662 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 08:21:49,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-12-02 08:21:49,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410642087] [2024-12-02 08:21:49,663 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 08:21:49,666 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-12-02 08:21:49,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 08:21:49,691 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:21:49,691 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:21:49,693 INFO L87 Difference]: Start difference. First operand has 129 states, 128 states have (on average 1.3671875) internal successors, (175), 128 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:21:49,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:21:49,737 INFO L93 Difference]: Finished difference Result 237 states and 311 transitions. [2024-12-02 08:21:49,738 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 237 states and 311 transitions. [2024-12-02 08:21:49,743 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 152 [2024-12-02 08:21:49,750 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 237 states to 217 states and 290 transitions. [2024-12-02 08:21:49,751 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 217 [2024-12-02 08:21:49,751 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 217 [2024-12-02 08:21:49,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 217 states and 290 transitions. [2024-12-02 08:21:49,753 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 08:21:49,753 INFO L218 hiAutomatonCegarLoop]: Abstraction has 217 states and 290 transitions. [2024-12-02 08:21:49,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states and 290 transitions. [2024-12-02 08:21:49,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 214. [2024-12-02 08:21:49,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 214 states have (on average 1.3364485981308412) internal successors, (286), 213 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:21:49,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 286 transitions. [2024-12-02 08:21:49,782 INFO L240 hiAutomatonCegarLoop]: Abstraction has 214 states and 286 transitions. [2024-12-02 08:21:49,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:21:49,785 INFO L425 stractBuchiCegarLoop]: Abstraction has 214 states and 286 transitions. [2024-12-02 08:21:49,786 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-12-02 08:21:49,786 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 214 states and 286 transitions. [2024-12-02 08:21:49,788 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 149 [2024-12-02 08:21:49,788 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 08:21:49,788 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 08:21:49,789 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:21:49,789 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:21:49,789 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-12-02 08:21:49,789 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet49#1;test_~tmp~8#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1;" "assume !(0 != test_~tmp~8#1);" "havoc test_#t~nondet50#1;test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet51#1;test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1;" "assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~1#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1;" "__utac_acc__Specification3_spec__1_#t~ret5#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~1#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~1#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~1#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-12-02 08:21:49,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:21:49,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-12-02 08:21:49,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 08:21:49,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750302874] [2024-12-02 08:21:49,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:21:49,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:21:49,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 08:21:49,801 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 08:21:49,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 08:21:49,813 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 08:21:49,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:21:49,814 INFO L85 PathProgramCache]: Analyzing trace with hash -616387401, now seen corresponding path program 1 times [2024-12-02 08:21:49,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 08:21:49,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400131999] [2024-12-02 08:21:49,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:21:49,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:21:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:21:49,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 08:21:49,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400131999] [2024-12-02 08:21:49,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400131999] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:21:49,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2129960083] [2024-12-02 08:21:49,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:21:49,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:21:49,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f9bb25-57b1-4d8a-8a51-598d49bbbe48/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:21:49,845 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f9bb25-57b1-4d8a-8a51-598d49bbbe48/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:21:49,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f9bb25-57b1-4d8a-8a51-598d49bbbe48/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 08:21:49,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:21:49,886 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 08:21:49,887 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:21:49,893 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 08:21:49,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2129960083] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 08:21:49,901 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 08:21:49,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-12-02 08:21:49,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368715318] [2024-12-02 08:21:49,901 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 08:21:49,901 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-12-02 08:21:49,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 08:21:49,902 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:21:49,902 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:21:49,902 INFO L87 Difference]: Start difference. First operand 214 states and 286 transitions. cyclomatic complexity: 75 Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:21:49,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:21:49,975 INFO L93 Difference]: Finished difference Result 334 states and 435 transitions. [2024-12-02 08:21:49,975 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 334 states and 435 transitions. [2024-12-02 08:21:49,978 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 239 [2024-12-02 08:21:49,981 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 334 states to 334 states and 435 transitions. [2024-12-02 08:21:49,981 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 334 [2024-12-02 08:21:49,982 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 334 [2024-12-02 08:21:49,982 INFO L73 IsDeterministic]: Start isDeterministic. Operand 334 states and 435 transitions. [2024-12-02 08:21:49,983 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 08:21:49,983 INFO L218 hiAutomatonCegarLoop]: Abstraction has 334 states and 435 transitions. [2024-12-02 08:21:49,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states and 435 transitions. [2024-12-02 08:21:49,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 334. [2024-12-02 08:21:49,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 334 states have (on average 1.3023952095808384) internal successors, (435), 333 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:21:49,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 435 transitions. [2024-12-02 08:21:49,998 INFO L240 hiAutomatonCegarLoop]: Abstraction has 334 states and 435 transitions. [2024-12-02 08:21:49,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:21:49,999 INFO L425 stractBuchiCegarLoop]: Abstraction has 334 states and 435 transitions. [2024-12-02 08:21:49,999 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-12-02 08:21:49,999 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 334 states and 435 transitions. [2024-12-02 08:21:50,002 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 239 [2024-12-02 08:21:50,002 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 08:21:50,002 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 08:21:50,003 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:21:50,003 INFO L149 hiAutomatonCegarLoop]: Counterexample loop 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] [2024-12-02 08:21:50,003 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-12-02 08:21:50,003 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet49#1;test_~tmp~8#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1;" "assume !(0 != test_~tmp~8#1);" "havoc test_#t~nondet50#1;test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet51#1;test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret48#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~11#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~3#1;havoc isHighWaterSensorDry_~retValue_acc~3#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~3#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1;" "isHighWaterLevel_#t~ret48#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~3#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret48#1;havoc isHighWaterLevel_#t~ret48#1;" "assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~1#1 := 0;" "isHighWaterLevel_~retValue_acc~11#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1;" "processEnvironment_#t~ret37#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret48#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~5#1 := processEnvironment_#t~ret37#1;havoc processEnvironment_#t~ret37#1;" "assume !(0 != processEnvironment_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~1#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1;" "__utac_acc__Specification3_spec__1_#t~ret5#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~1#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~1#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~1#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-12-02 08:21:50,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:21:50,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-12-02 08:21:50,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 08:21:50,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336942622] [2024-12-02 08:21:50,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:21:50,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:21:50,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 08:21:50,014 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 08:21:50,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 08:21:50,024 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 08:21:50,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:21:50,024 INFO L85 PathProgramCache]: Analyzing trace with hash 330511903, now seen corresponding path program 1 times [2024-12-02 08:21:50,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 08:21:50,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506512005] [2024-12-02 08:21:50,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:21:50,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:21:50,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 08:21:50,035 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 08:21:50,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 08:21:50,045 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 08:21:50,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:21:50,045 INFO L85 PathProgramCache]: Analyzing trace with hash -920492837, now seen corresponding path program 1 times [2024-12-02 08:21:50,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 08:21:50,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764992141] [2024-12-02 08:21:50,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:21:50,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:21:50,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:21:50,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 08:21:50,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764992141] [2024-12-02 08:21:50,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764992141] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:21:50,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [916980184] [2024-12-02 08:21:50,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:21:50,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:21:50,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f9bb25-57b1-4d8a-8a51-598d49bbbe48/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:21:50,143 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f9bb25-57b1-4d8a-8a51-598d49bbbe48/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:21:50,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f9bb25-57b1-4d8a-8a51-598d49bbbe48/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 08:21:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:21:50,207 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 08:21:50,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:21:50,290 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 08:21:50,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [916980184] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 08:21:50,340 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 08:21:50,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2024-12-02 08:21:50,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005792805] [2024-12-02 08:21:50,340 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 08:21:50,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 08:21:50,462 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:21:50,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:21:50,463 INFO L87 Difference]: Start difference. First operand 334 states and 435 transitions. cyclomatic complexity: 104 Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:21:50,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:21:50,556 INFO L93 Difference]: Finished difference Result 661 states and 847 transitions. [2024-12-02 08:21:50,556 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 661 states and 847 transitions. [2024-12-02 08:21:50,561 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 478 [2024-12-02 08:21:50,565 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 661 states to 661 states and 847 transitions. [2024-12-02 08:21:50,565 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 661 [2024-12-02 08:21:50,565 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 661 [2024-12-02 08:21:50,566 INFO L73 IsDeterministic]: Start isDeterministic. Operand 661 states and 847 transitions. [2024-12-02 08:21:50,567 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 08:21:50,568 INFO L218 hiAutomatonCegarLoop]: Abstraction has 661 states and 847 transitions. [2024-12-02 08:21:50,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states and 847 transitions. [2024-12-02 08:21:50,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 661. [2024-12-02 08:21:50,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 661 states, 661 states have (on average 1.281391830559758) internal successors, (847), 660 states have internal predecessors, (847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:21:50,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 847 transitions. [2024-12-02 08:21:50,587 INFO L240 hiAutomatonCegarLoop]: Abstraction has 661 states and 847 transitions. [2024-12-02 08:21:50,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:21:50,588 INFO L425 stractBuchiCegarLoop]: Abstraction has 661 states and 847 transitions. [2024-12-02 08:21:50,588 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-12-02 08:21:50,588 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 661 states and 847 transitions. [2024-12-02 08:21:50,592 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 478 [2024-12-02 08:21:50,592 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 08:21:50,592 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 08:21:50,593 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:21:50,593 INFO L149 hiAutomatonCegarLoop]: Counterexample loop 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] [2024-12-02 08:21:50,593 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-12-02 08:21:50,593 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet49#1;test_~tmp~8#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1;" "assume !(0 != test_~tmp~8#1);" "havoc test_#t~nondet50#1;test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet51#1;test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret48#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~11#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~3#1;havoc isHighWaterSensorDry_~retValue_acc~3#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~3#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1;" "isHighWaterLevel_#t~ret48#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~3#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret48#1;havoc isHighWaterLevel_#t~ret48#1;" "assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~1#1 := 0;" "isHighWaterLevel_~retValue_acc~11#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1;" "processEnvironment_#t~ret37#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret48#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~5#1 := processEnvironment_#t~ret37#1;havoc processEnvironment_#t~ret37#1;" "assume !(0 != processEnvironment_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~1#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1;" "__utac_acc__Specification3_spec__1_#t~ret5#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~1#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1;" "assume !(0 != __utac_acc__Specification3_spec__1_~tmp~1#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1;" "__utac_acc__Specification3_spec__1_#t~ret6#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret6#1;havoc __utac_acc__Specification3_spec__1_#t~ret6#1;" "assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1);" "havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~1#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-12-02 08:21:50,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:21:50,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 4 times [2024-12-02 08:21:50,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 08:21:50,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565105429] [2024-12-02 08:21:50,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:21:50,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:21:50,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 08:21:50,601 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 08:21:50,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 08:21:50,608 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 08:21:50,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:21:50,608 INFO L85 PathProgramCache]: Analyzing trace with hash -204448428, now seen corresponding path program 1 times [2024-12-02 08:21:50,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 08:21:50,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423224773] [2024-12-02 08:21:50,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:21:50,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:21:50,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 08:21:50,616 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 08:21:50,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 08:21:50,623 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 08:21:50,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:21:50,623 INFO L85 PathProgramCache]: Analyzing trace with hash 170839312, now seen corresponding path program 1 times [2024-12-02 08:21:50,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 08:21:50,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605438946] [2024-12-02 08:21:50,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:21:50,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:21:50,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 08:21:50,632 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 08:21:50,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 08:21:50,645 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 08:21:51,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 08:21:51,571 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 08:21:51,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 08:21:51,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 08:21:51 BoogieIcfgContainer [2024-12-02 08:21:51,618 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-12-02 08:21:51,618 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 08:21:51,619 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 08:21:51,619 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 08:21:51,619 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:21:49" (3/4) ... [2024-12-02 08:21:51,621 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-12-02 08:21:51,653 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f9bb25-57b1-4d8a-8a51-598d49bbbe48/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 08:21:51,653 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 08:21:51,654 INFO L158 Benchmark]: Toolchain (without parser) took 3147.64ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 91.5MB in the beginning and 78.2MB in the end (delta: 13.3MB). Peak memory consumption was 109.9MB. Max. memory is 16.1GB. [2024-12-02 08:21:51,654 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:21:51,654 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.82ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 72.9MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 08:21:51,655 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.14ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 70.5MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 08:21:51,655 INFO L158 Benchmark]: Boogie Preprocessor took 40.99ms. Allocated memory is still 117.4MB. Free memory was 70.5MB in the beginning and 68.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:21:51,655 INFO L158 Benchmark]: RCFGBuilder took 422.81ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 46.8MB in the end (delta: 21.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 08:21:51,656 INFO L158 Benchmark]: BuchiAutomizer took 2296.33ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 46.5MB in the beginning and 81.0MB in the end (delta: -34.5MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. [2024-12-02 08:21:51,656 INFO L158 Benchmark]: Witness Printer took 34.57ms. Allocated memory is still 209.7MB. Free memory was 81.0MB in the beginning and 78.2MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 08:21:51,658 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.82ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 72.9MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.14ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 70.5MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.99ms. Allocated memory is still 117.4MB. Free memory was 70.5MB in the beginning and 68.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 422.81ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 46.8MB in the end (delta: 21.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 2296.33ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 46.5MB in the beginning and 81.0MB in the end (delta: -34.5MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. * Witness Printer took 34.57ms. Allocated memory is still 209.7MB. Free memory was 81.0MB in the beginning and 78.2MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [153] - GenericResultAtLocation [Line: 191]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [191] - GenericResultAtLocation [Line: 288]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [288] - GenericResultAtLocation [Line: 323]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [323] - GenericResultAtLocation [Line: 332]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [332] - GenericResultAtLocation [Line: 698]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [698] - GenericResultAtLocation [Line: 895]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [895] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 661 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 394 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 394 mSDsluCounter, 1085 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 634 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 94 IncrementalHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 451 mSDtfsCounter, 94 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 908]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L195] int waterLevel = 1; [L196] int methaneLevelCritical = 0; [L502] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L703] int pumpRunning = 0; [L704] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L315] int retValue_acc ; [L318] retValue_acc = 1 [L319] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L897] int splverifierCounter ; [L898] int tmp ; [L899] int tmp___0 ; [L900] int tmp___1 ; [L901] int tmp___2 ; [L904] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L908] COND TRUE splverifierCounter < 4 [L914] tmp = __VERIFIER_nondet_int() [L916] COND FALSE !(\read(tmp)) [L924] tmp___0 = __VERIFIER_nondet_int() [L926] COND FALSE !(\read(tmp___0)) [L934] tmp___2 = __VERIFIER_nondet_int() [L936] COND TRUE \read(tmp___2) [L938] CALL startSystem() [L891] systemActive = 1 [L938] RET startSystem() [L953] CALL timeShift() [L710] COND FALSE !(\read(pumpRunning)) [L717] COND TRUE \read(systemActive) [L719] CALL processEnvironment() [L739] int tmp ; [L742] COND TRUE ! pumpRunning [L744] CALL, EXPR isHighWaterLevel() [L854] int retValue_acc ; [L855] int tmp ; [L856] int tmp___0 ; [L860] CALL, EXPR isHighWaterSensorDry() [L275] int retValue_acc ; [L278] COND TRUE waterLevel < 2 [L279] retValue_acc = 1 [L280] return (retValue_acc); [L860] RET, EXPR isHighWaterSensorDry() [L860] tmp = isHighWaterSensorDry() [L862] COND TRUE \read(tmp) [L863] tmp___0 = 0 [L867] retValue_acc = tmp___0 [L868] return (retValue_acc); [L744] RET, EXPR isHighWaterLevel() [L744] tmp = isHighWaterLevel() [L746] COND FALSE !(\read(tmp)) [L752] FCALL processEnvironment__wrappee__base() [L719] RET processEnvironment() [L725] CALL __utac_acc__Specification3_spec__1() [L159] int tmp ; [L160] int tmp___0 ; [L161] int tmp___1 ; [L165] CALL, EXPR isMethaneLevelCritical() [L234] int retValue_acc ; [L237] retValue_acc = methaneLevelCritical [L238] return (retValue_acc); [L165] RET, EXPR isMethaneLevelCritical() [L165] tmp = isMethaneLevelCritical() [L167] COND FALSE !(\read(tmp)) [L171] CALL, EXPR getWaterLevel() [L266] int retValue_acc ; [L269] retValue_acc = waterLevel [L270] return (retValue_acc); [L171] RET, EXPR getWaterLevel() [L171] tmp___0 = getWaterLevel() [L173] COND FALSE !(tmp___0 == 2) [L725] RET __utac_acc__Specification3_spec__1() [L953] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 908]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L195] int waterLevel = 1; [L196] int methaneLevelCritical = 0; [L502] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L703] int pumpRunning = 0; [L704] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L315] int retValue_acc ; [L318] retValue_acc = 1 [L319] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L897] int splverifierCounter ; [L898] int tmp ; [L899] int tmp___0 ; [L900] int tmp___1 ; [L901] int tmp___2 ; [L904] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L908] COND TRUE splverifierCounter < 4 [L914] tmp = __VERIFIER_nondet_int() [L916] COND FALSE !(\read(tmp)) [L924] tmp___0 = __VERIFIER_nondet_int() [L926] COND FALSE !(\read(tmp___0)) [L934] tmp___2 = __VERIFIER_nondet_int() [L936] COND TRUE \read(tmp___2) [L938] CALL startSystem() [L891] systemActive = 1 [L938] RET startSystem() [L953] CALL timeShift() [L710] COND FALSE !(\read(pumpRunning)) [L717] COND TRUE \read(systemActive) [L719] CALL processEnvironment() [L739] int tmp ; [L742] COND TRUE ! pumpRunning [L744] CALL, EXPR isHighWaterLevel() [L854] int retValue_acc ; [L855] int tmp ; [L856] int tmp___0 ; [L860] CALL, EXPR isHighWaterSensorDry() [L275] int retValue_acc ; [L278] COND TRUE waterLevel < 2 [L279] retValue_acc = 1 [L280] return (retValue_acc); [L860] RET, EXPR isHighWaterSensorDry() [L860] tmp = isHighWaterSensorDry() [L862] COND TRUE \read(tmp) [L863] tmp___0 = 0 [L867] retValue_acc = tmp___0 [L868] return (retValue_acc); [L744] RET, EXPR isHighWaterLevel() [L744] tmp = isHighWaterLevel() [L746] COND FALSE !(\read(tmp)) [L752] FCALL processEnvironment__wrappee__base() [L719] RET processEnvironment() [L725] CALL __utac_acc__Specification3_spec__1() [L159] int tmp ; [L160] int tmp___0 ; [L161] int tmp___1 ; [L165] CALL, EXPR isMethaneLevelCritical() [L234] int retValue_acc ; [L237] retValue_acc = methaneLevelCritical [L238] return (retValue_acc); [L165] RET, EXPR isMethaneLevelCritical() [L165] tmp = isMethaneLevelCritical() [L167] COND FALSE !(\read(tmp)) [L171] CALL, EXPR getWaterLevel() [L266] int retValue_acc ; [L269] retValue_acc = waterLevel [L270] return (retValue_acc); [L171] RET, EXPR getWaterLevel() [L171] tmp___0 = getWaterLevel() [L173] COND FALSE !(tmp___0 == 2) [L725] RET __utac_acc__Specification3_spec__1() [L953] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-12-02 08:21:51,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f9bb25-57b1-4d8a-8a51-598d49bbbe48/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 08:21:51,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f9bb25-57b1-4d8a-8a51-598d49bbbe48/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 08:21:52,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f9bb25-57b1-4d8a-8a51-598d49bbbe48/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 08:21:52,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1f9bb25-57b1-4d8a-8a51-598d49bbbe48/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)