./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c857f3f-e0d3-4e7c-87e6-8dbd71d3c221/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c857f3f-e0d3-4e7c-87e6-8dbd71d3c221/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c857f3f-e0d3-4e7c-87e6-8dbd71d3c221/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c857f3f-e0d3-4e7c-87e6-8dbd71d3c221/bin/uautomizer-verify-jihMAELWvX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c857f3f-e0d3-4e7c-87e6-8dbd71d3c221/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c857f3f-e0d3-4e7c-87e6-8dbd71d3c221/bin/uautomizer-verify-jihMAELWvX --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 4074665f53184e0f9778b3e4e6ee9c58d8a047121518f9c126ceccd876afea36 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:14:49,918 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:14:50,065 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c857f3f-e0d3-4e7c-87e6-8dbd71d3c221/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-08 19:14:50,076 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:14:50,079 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:14:50,142 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:14:50,145 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:14:50,146 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:14:50,147 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:14:50,148 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:14:50,149 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:14:50,149 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:14:50,150 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:14:50,153 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-08 19:14:50,154 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-08 19:14:50,154 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-08 19:14:50,155 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-08 19:14:50,155 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-08 19:14:50,155 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-08 19:14:50,156 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:14:50,156 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-08 19:14:50,161 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:14:50,162 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:14:50,164 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:14:50,164 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:14:50,165 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-08 19:14:50,165 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-08 19:14:50,165 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-08 19:14:50,166 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:14:50,166 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:14:50,166 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:14:50,167 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:14:50,167 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-08 19:14:50,167 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:14:50,168 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:14:50,168 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:14:50,168 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:14:50,169 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 19:14:50,169 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-08 19:14:50,171 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c857f3f-e0d3-4e7c-87e6-8dbd71d3c221/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c857f3f-e0d3-4e7c-87e6-8dbd71d3c221/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4074665f53184e0f9778b3e4e6ee9c58d8a047121518f9c126ceccd876afea36 [2024-11-08 19:14:50,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:14:50,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:14:50,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:14:50,638 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:14:50,639 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:14:50,641 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c857f3f-e0d3-4e7c-87e6-8dbd71d3c221/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c Unable to find full path for "g++" [2024-11-08 19:14:53,267 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:14:53,651 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:14:53,652 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c857f3f-e0d3-4e7c-87e6-8dbd71d3c221/sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c [2024-11-08 19:14:53,677 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c857f3f-e0d3-4e7c-87e6-8dbd71d3c221/bin/uautomizer-verify-jihMAELWvX/data/e24e3f995/ef628aa63c774b97b70d6c3c174e6c87/FLAG5021d00d3 [2024-11-08 19:14:53,701 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c857f3f-e0d3-4e7c-87e6-8dbd71d3c221/bin/uautomizer-verify-jihMAELWvX/data/e24e3f995/ef628aa63c774b97b70d6c3c174e6c87 [2024-11-08 19:14:53,706 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:14:53,709 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:14:53,713 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:14:53,713 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:14:53,720 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:14:53,721 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:14:53" (1/1) ... [2024-11-08 19:14:53,723 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ac2f481 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:53, skipping insertion in model container [2024-11-08 19:14:53,723 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:14:53" (1/1) ... [2024-11-08 19:14:53,786 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:14:54,382 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:14:54,408 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:14:54,423 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-11-08 19:14:54,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [415] [2024-11-08 19:14:54,426 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [521] [2024-11-08 19:14:54,426 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [530] [2024-11-08 19:14:54,427 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [581] [2024-11-08 19:14:54,427 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [689] [2024-11-08 19:14:54,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [760] [2024-11-08 19:14:54,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [985] [2024-11-08 19:14:54,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:14:54,607 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:14:54,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:54 WrapperNode [2024-11-08 19:14:54,608 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:14:54,610 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:14:54,611 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:14:54,611 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:14:54,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:54" (1/1) ... [2024-11-08 19:14:54,645 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:54" (1/1) ... [2024-11-08 19:14:54,725 INFO L138 Inliner]: procedures = 59, calls = 105, calls flagged for inlining = 58, calls inlined = 90, statements flattened = 597 [2024-11-08 19:14:54,725 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:14:54,726 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:14:54,726 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:14:54,727 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:14:54,751 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:54" (1/1) ... [2024-11-08 19:14:54,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:54" (1/1) ... [2024-11-08 19:14:54,755 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:54" (1/1) ... [2024-11-08 19:14:54,795 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]. [2024-11-08 19:14:54,795 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:54" (1/1) ... [2024-11-08 19:14:54,796 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:54" (1/1) ... [2024-11-08 19:14:54,807 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:54" (1/1) ... [2024-11-08 19:14:54,815 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:54" (1/1) ... [2024-11-08 19:14:54,817 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:54" (1/1) ... [2024-11-08 19:14:54,820 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:54" (1/1) ... [2024-11-08 19:14:54,824 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:14:54,825 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:14:54,826 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:14:54,826 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:14:54,827 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:54" (1/1) ... [2024-11-08 19:14:54,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 19:14:54,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c857f3f-e0d3-4e7c-87e6-8dbd71d3c221/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:14:54,925 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c857f3f-e0d3-4e7c-87e6-8dbd71d3c221/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 19:14:54,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c857f3f-e0d3-4e7c-87e6-8dbd71d3c221/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-08 19:14:55,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:14:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 19:14:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:14:55,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:14:55,198 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:14:55,202 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:14:55,924 INFO L? ?]: Removed 136 outVars from TransFormulas that were not future-live. [2024-11-08 19:14:55,924 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:14:55,945 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:14:55,946 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 19:14:55,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:14:55 BoogieIcfgContainer [2024-11-08 19:14:55,947 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:14:55,948 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-08 19:14:55,949 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-08 19:14:55,954 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-08 19:14:55,955 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 19:14:55,955 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.11 07:14:53" (1/3) ... [2024-11-08 19:14:55,957 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@751bf1bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 07:14:55, skipping insertion in model container [2024-11-08 19:14:55,957 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 19:14:55,957 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:54" (2/3) ... [2024-11-08 19:14:55,958 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@751bf1bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 07:14:55, skipping insertion in model container [2024-11-08 19:14:55,958 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 19:14:55,958 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:14:55" (3/3) ... [2024-11-08 19:14:55,960 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product52.cil.c [2024-11-08 19:14:56,056 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-08 19:14:56,057 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-08 19:14:56,057 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-08 19:14:56,057 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-08 19:14:56,057 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-08 19:14:56,057 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-08 19:14:56,058 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-08 19:14:56,058 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-08 19:14:56,066 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 180 states, 179 states have (on average 1.3631284916201116) internal successors, (244), 179 states have internal predecessors, (244), 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) [2024-11-08 19:14:56,104 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 117 [2024-11-08 19:14:56,105 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 19:14:56,105 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 19:14:56,123 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:14:56,123 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] [2024-11-08 19:14:56,123 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-08 19:14:56,124 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 180 states, 179 states have (on average 1.3631284916201116) internal successors, (244), 179 states have internal predecessors, (244), 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) [2024-11-08 19:14:56,137 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 117 [2024-11-08 19:14:56,138 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 19:14:56,138 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 19:14:56,139 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:14:56,140 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] [2024-11-08 19:14:56,147 INFO L745 eck$LassoCheckResult]: Stem: 41#$Ultimate##0true 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);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 54#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 35#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 148#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 129#valid_product_returnLabel#1true main_#t~ret27#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1; 42#L508true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 99#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 163#__utac_acc__Specification5_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 152#L702-2true [2024-11-08 19:14:56,149 INFO L747 eck$LassoCheckResult]: Loop: 152#L702-2true assume !false; 19#L703true assume test_~splverifierCounter~0#1 < 4; 74#L704true havoc test_#t~nondet36#1;test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 90#L712true assume !(0 != test_~tmp~5#1); 76#L712-2true havoc test_#t~nondet37#1;test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 85#L722true assume !(0 != test_~tmp___0~1#1); 180#L722-2true havoc test_#t~nondet38#1;test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 38#L732true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 72#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 40#L740-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret28#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; 159#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret28#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret28#1;havoc __utac_acc__Specification5_spec__2_#t~ret28#1; 113#__utac_acc__Specification5_spec__2_returnLabel#1true havoc __utac_acc__Specification5_spec__2_#t~ret28#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 64#L773true assume !(0 != ~pumpRunning~0); 33#L773-2true assume !(0 != ~systemActive~0); 13#L780-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret29#1, __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;havoc getWaterLevel_~retValue_acc~5#1;getWaterLevel_~retValue_acc~5#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~5#1; 86#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret29#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret29#1;havoc __utac_acc__Specification5_spec__3_#t~ret29#1; 31#L560true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4#1); 145#L560-1true havoc __utac_acc__Specification5_spec__3_#t~ret29#1, __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 87#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 152#L702-2true [2024-11-08 19:14:56,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:56,158 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-11-08 19:14:56,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:56,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837909314] [2024-11-08 19:14:56,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:56,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:56,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:14:56,318 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:14:56,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:14:56,369 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:14:56,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:56,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1140525996, now seen corresponding path program 1 times [2024-11-08 19:14:56,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:56,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274537729] [2024-11-08 19:14:56,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:56,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:56,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:14:56,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:14:56,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274537729] [2024-11-08 19:14:56,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274537729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:14:56,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:14:56,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:14:56,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020026635] [2024-11-08 19:14:56,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:14:56,598 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-08 19:14:56,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:14:56,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:14:56,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:14:56,659 INFO L87 Difference]: Start difference. First operand has 180 states, 179 states have (on average 1.3631284916201116) internal successors, (244), 179 states have internal predecessors, (244), 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 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) [2024-11-08 19:14:56,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:14:56,798 INFO L93 Difference]: Finished difference Result 338 states and 448 transitions. [2024-11-08 19:14:56,800 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 338 states and 448 transitions. [2024-11-08 19:14:56,812 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 220 [2024-11-08 19:14:56,829 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 338 states to 318 states and 427 transitions. [2024-11-08 19:14:56,830 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 318 [2024-11-08 19:14:56,832 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 318 [2024-11-08 19:14:56,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 318 states and 427 transitions. [2024-11-08 19:14:56,835 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 19:14:56,836 INFO L218 hiAutomatonCegarLoop]: Abstraction has 318 states and 427 transitions. [2024-11-08 19:14:56,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states and 427 transitions. [2024-11-08 19:14:56,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 315. [2024-11-08 19:14:56,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 315 states have (on average 1.3428571428571427) internal successors, (423), 314 states have internal predecessors, (423), 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) [2024-11-08 19:14:56,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 423 transitions. [2024-11-08 19:14:56,942 INFO L240 hiAutomatonCegarLoop]: Abstraction has 315 states and 423 transitions. [2024-11-08 19:14:56,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:14:56,951 INFO L425 stractBuchiCegarLoop]: Abstraction has 315 states and 423 transitions. [2024-11-08 19:14:56,954 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-08 19:14:56,954 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 315 states and 423 transitions. [2024-11-08 19:14:56,961 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 217 [2024-11-08 19:14:56,963 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 19:14:56,964 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 19:14:56,965 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:14:56,965 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] [2024-11-08 19:14:56,965 INFO L745 eck$LassoCheckResult]: Stem: 595#$Ultimate##0 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);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 596#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 585#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 586#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 681#valid_product_returnLabel#1 main_#t~ret27#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1; 597#L508 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 598#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 660#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 652#L702-2 [2024-11-08 19:14:56,966 INFO L747 eck$LassoCheckResult]: Loop: 652#L702-2 assume !false; 557#L703 assume test_~splverifierCounter~0#1 < 4; 558#L704 havoc test_#t~nondet36#1;test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 632#L712 assume !(0 != test_~tmp~5#1); 633#L712-2 havoc test_#t~nondet37#1;test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 634#L722 assume !(0 != test_~tmp___0~1#1); 650#L722-2 havoc test_#t~nondet38#1;test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 589#L732 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 590#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 593#L740-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret28#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; 594#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret28#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret28#1;havoc __utac_acc__Specification5_spec__2_#t~ret28#1; 672#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret28#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 620#L773 assume !(0 != ~pumpRunning~0); 581#L773-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1; 582#L831 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret40#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6#1; 683#L805-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 527#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 528#L805-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret40#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 605#L831-1 havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~7#1;assume { :end_inline_processEnvironment } true; 546#L780-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret29#1, __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;havoc getWaterLevel_~retValue_acc~5#1;getWaterLevel_~retValue_acc~5#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~5#1; 547#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret29#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret29#1;havoc __utac_acc__Specification5_spec__3_#t~ret29#1; 577#L560 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4#1); 571#L560-1 havoc __utac_acc__Specification5_spec__3_#t~ret29#1, __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 651#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 652#L702-2 [2024-11-08 19:14:56,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:56,967 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-11-08 19:14:56,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:56,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961876118] [2024-11-08 19:14:56,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:56,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:57,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:14:57,038 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:14:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:14:57,072 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:14:57,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:57,076 INFO L85 PathProgramCache]: Analyzing trace with hash 790200989, now seen corresponding path program 1 times [2024-11-08 19:14:57,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:57,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330983437] [2024-11-08 19:14:57,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:57,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:57,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:57,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:14:57,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:14:57,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330983437] [2024-11-08 19:14:57,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330983437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:14:57,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:14:57,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:14:57,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179801255] [2024-11-08 19:14:57,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:14:57,153 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-08 19:14:57,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:14:57,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:14:57,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:14:57,161 INFO L87 Difference]: Start difference. First operand 315 states and 423 transitions. cyclomatic complexity: 111 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2024-11-08 19:14:57,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:14:57,342 INFO L93 Difference]: Finished difference Result 445 states and 576 transitions. [2024-11-08 19:14:57,342 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 445 states and 576 transitions. [2024-11-08 19:14:57,349 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 315 [2024-11-08 19:14:57,353 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 445 states to 445 states and 576 transitions. [2024-11-08 19:14:57,354 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 445 [2024-11-08 19:14:57,355 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 445 [2024-11-08 19:14:57,355 INFO L73 IsDeterministic]: Start isDeterministic. Operand 445 states and 576 transitions. [2024-11-08 19:14:57,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 19:14:57,358 INFO L218 hiAutomatonCegarLoop]: Abstraction has 445 states and 576 transitions. [2024-11-08 19:14:57,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states and 576 transitions. [2024-11-08 19:14:57,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 445. [2024-11-08 19:14:57,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 445 states have (on average 1.29438202247191) internal successors, (576), 444 states have internal predecessors, (576), 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) [2024-11-08 19:14:57,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 576 transitions. [2024-11-08 19:14:57,406 INFO L240 hiAutomatonCegarLoop]: Abstraction has 445 states and 576 transitions. [2024-11-08 19:14:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:14:57,409 INFO L425 stractBuchiCegarLoop]: Abstraction has 445 states and 576 transitions. [2024-11-08 19:14:57,409 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-08 19:14:57,410 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 445 states and 576 transitions. [2024-11-08 19:14:57,416 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 315 [2024-11-08 19:14:57,416 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 19:14:57,416 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 19:14:57,417 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:14:57,417 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, 1, 1, 1] [2024-11-08 19:14:57,418 INFO L745 eck$LassoCheckResult]: Stem: 1357#$Ultimate##0 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);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 1358#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 1347#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1348#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 1456#valid_product_returnLabel#1 main_#t~ret27#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1; 1359#L508 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 1360#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1429#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1471#L702-2 [2024-11-08 19:14:57,418 INFO L747 eck$LassoCheckResult]: Loop: 1471#L702-2 assume !false; 1321#L703 assume test_~splverifierCounter~0#1 < 4; 1322#L704 havoc test_#t~nondet36#1;test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 1397#L712 assume !(0 != test_~tmp~5#1); 1399#L712-2 havoc test_#t~nondet37#1;test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 1400#L722 assume !(0 != test_~tmp___0~1#1); 1416#L722-2 havoc test_#t~nondet38#1;test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 1351#L732 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1352#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 1355#L740-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret28#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; 1356#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret28#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret28#1;havoc __utac_acc__Specification5_spec__2_#t~ret28#1; 1443#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret28#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1386#L773 assume !(0 != ~pumpRunning~0); 1387#L773-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1; 1458#L831 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret40#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6#1; 1459#L805-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret51#1, isHighWaterLevel_~retValue_acc~10#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~10#1;havoc isHighWaterLevel_~tmp~8#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~6#1;havoc isHighWaterSensorDry_~retValue_acc~6#1; 1446#L670-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~6#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; 1376#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret51#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~6#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret51#1;havoc isHighWaterLevel_#t~ret51#1; 1377#L933-3 assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~2#1 := 0; 1442#L933-5 isHighWaterLevel_~retValue_acc~10#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~10#1; 1460#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret40#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret51#1, isHighWaterLevel_~retValue_acc~10#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~6#1 := processEnvironment__wrappee__highWaterSensor_#t~ret40#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret40#1; 1316#L809-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~6#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1317#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 1371#L805-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret40#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1368#L831-1 havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~7#1;assume { :end_inline_processEnvironment } true; 1307#L780-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret29#1, __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;havoc getWaterLevel_~retValue_acc~5#1;getWaterLevel_~retValue_acc~5#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~5#1; 1308#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret29#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret29#1;havoc __utac_acc__Specification5_spec__3_#t~ret29#1; 1339#L560 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4#1); 1333#L560-1 havoc __utac_acc__Specification5_spec__3_#t~ret29#1, __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1469#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1471#L702-2 [2024-11-08 19:14:57,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:57,419 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2024-11-08 19:14:57,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:57,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101898802] [2024-11-08 19:14:57,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:57,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:57,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:14:57,447 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:14:57,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:14:57,467 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:14:57,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:57,468 INFO L85 PathProgramCache]: Analyzing trace with hash 457436245, now seen corresponding path program 1 times [2024-11-08 19:14:57,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:57,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818001137] [2024-11-08 19:14:57,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:57,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:57,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:57,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:14:57,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:14:57,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818001137] [2024-11-08 19:14:57,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818001137] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:14:57,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:14:57,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:14:57,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728748876] [2024-11-08 19:14:57,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:14:57,606 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-08 19:14:57,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:14:57,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:14:57,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:14:57,607 INFO L87 Difference]: Start difference. First operand 445 states and 576 transitions. cyclomatic complexity: 134 Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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) [2024-11-08 19:14:57,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:14:57,889 INFO L93 Difference]: Finished difference Result 878 states and 1112 transitions. [2024-11-08 19:14:57,889 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 878 states and 1112 transitions. [2024-11-08 19:14:57,897 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 626 [2024-11-08 19:14:57,903 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 878 states to 878 states and 1112 transitions. [2024-11-08 19:14:57,903 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 878 [2024-11-08 19:14:57,904 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 878 [2024-11-08 19:14:57,904 INFO L73 IsDeterministic]: Start isDeterministic. Operand 878 states and 1112 transitions. [2024-11-08 19:14:57,909 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 19:14:57,912 INFO L218 hiAutomatonCegarLoop]: Abstraction has 878 states and 1112 transitions. [2024-11-08 19:14:57,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 878 states and 1112 transitions. [2024-11-08 19:14:57,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 878 to 878. [2024-11-08 19:14:57,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 878 states, 878 states have (on average 1.2665148063781322) internal successors, (1112), 877 states have internal predecessors, (1112), 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) [2024-11-08 19:14:57,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1112 transitions. [2024-11-08 19:14:57,940 INFO L240 hiAutomatonCegarLoop]: Abstraction has 878 states and 1112 transitions. [2024-11-08 19:14:57,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:14:57,941 INFO L425 stractBuchiCegarLoop]: Abstraction has 878 states and 1112 transitions. [2024-11-08 19:14:57,942 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-08 19:14:57,945 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 878 states and 1112 transitions. [2024-11-08 19:14:57,951 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 626 [2024-11-08 19:14:57,951 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 19:14:57,951 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 19:14:57,954 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:14:57,954 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, 1, 1, 1, 1, 1] [2024-11-08 19:14:57,954 INFO L745 eck$LassoCheckResult]: Stem: 2695#$Ultimate##0 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);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 2696#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 2683#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2684#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 2807#valid_product_returnLabel#1 main_#t~ret27#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1; 2697#L508 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 2698#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 2772#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 2833#L702-2 [2024-11-08 19:14:57,955 INFO L747 eck$LassoCheckResult]: Loop: 2833#L702-2 assume !false; 3076#L703 assume test_~splverifierCounter~0#1 < 4; 3073#L704 havoc test_#t~nondet36#1;test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 3071#L712 assume !(0 != test_~tmp~5#1); 3068#L712-2 havoc test_#t~nondet37#1;test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 3065#L722 assume !(0 != test_~tmp___0~1#1); 3060#L722-2 havoc test_#t~nondet38#1;test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 3057#L732 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 3049#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 3053#L740-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret28#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; 3168#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret28#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret28#1;havoc __utac_acc__Specification5_spec__2_#t~ret28#1; 3167#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret28#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 3166#L773 assume !(0 != ~pumpRunning~0); 3032#L773-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1; 2809#L831 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret40#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6#1; 2810#L805-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret51#1, isHighWaterLevel_~retValue_acc~10#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~10#1;havoc isHighWaterLevel_~tmp~8#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~6#1;havoc isHighWaterSensorDry_~retValue_acc~6#1; 2793#L670-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~6#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; 2794#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret51#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~6#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret51#1;havoc isHighWaterLevel_#t~ret51#1; 2982#L933-3 assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~2#1 := 0; 2980#L933-5 isHighWaterLevel_~retValue_acc~10#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~10#1; 2977#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret40#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret51#1, isHighWaterLevel_~retValue_acc~10#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~6#1 := processEnvironment__wrappee__highWaterSensor_#t~ret40#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret40#1; 2973#L809-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~6#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 2974#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 3106#L805-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret40#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 3103#L831-1 havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~7#1;assume { :end_inline_processEnvironment } true; 3099#L780-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret29#1, __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;havoc getWaterLevel_~retValue_acc~5#1;getWaterLevel_~retValue_acc~5#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~5#1; 3095#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret29#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret29#1;havoc __utac_acc__Specification5_spec__3_#t~ret29#1; 3092#L560 assume 2 != __utac_acc__Specification5_spec__3_~tmp~4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; 3090#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret30#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret30#1;havoc __utac_acc__Specification5_spec__3_#t~ret30#1; 3088#L564 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1); 3084#L560-1 havoc __utac_acc__Specification5_spec__3_#t~ret29#1, __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 3081#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 2833#L702-2 [2024-11-08 19:14:57,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:57,956 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2024-11-08 19:14:57,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:57,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057687838] [2024-11-08 19:14:57,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:57,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:57,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:14:57,973 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:14:57,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:14:57,990 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:14:57,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:57,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1488564592, now seen corresponding path program 1 times [2024-11-08 19:14:57,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:57,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109539991] [2024-11-08 19:14:57,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:57,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:14:58,005 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:14:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:14:58,022 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:14:58,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:58,024 INFO L85 PathProgramCache]: Analyzing trace with hash 2085122137, now seen corresponding path program 1 times [2024-11-08 19:14:58,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:58,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478051817] [2024-11-08 19:14:58,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:58,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:58,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:14:58,058 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:14:58,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:14:58,090 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:14:59,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:14:59,711 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:14:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:14:59,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.11 07:14:59 BoogieIcfgContainer [2024-11-08 19:14:59,817 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-08 19:14:59,818 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:14:59,818 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:14:59,818 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:14:59,819 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:14:55" (3/4) ... [2024-11-08 19:14:59,821 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-08 19:14:59,929 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c857f3f-e0d3-4e7c-87e6-8dbd71d3c221/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 19:14:59,929 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:14:59,930 INFO L158 Benchmark]: Toolchain (without parser) took 6220.93ms. Allocated memory was 155.2MB in the beginning and 190.8MB in the end (delta: 35.7MB). Free memory was 126.1MB in the beginning and 133.6MB in the end (delta: -7.5MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2024-11-08 19:14:59,934 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 119.5MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:14:59,934 INFO L158 Benchmark]: CACSL2BoogieTranslator took 896.19ms. Allocated memory is still 155.2MB. Free memory was 126.1MB in the beginning and 103.9MB in the end (delta: 22.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-08 19:14:59,935 INFO L158 Benchmark]: Boogie Procedure Inliner took 115.30ms. Allocated memory is still 155.2MB. Free memory was 103.9MB in the beginning and 100.4MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:14:59,935 INFO L158 Benchmark]: Boogie Preprocessor took 98.16ms. Allocated memory is still 155.2MB. Free memory was 100.4MB in the beginning and 97.0MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:14:59,936 INFO L158 Benchmark]: RCFGBuilder took 1121.60ms. Allocated memory is still 155.2MB. Free memory was 96.3MB in the beginning and 97.5MB in the end (delta: -1.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 19:14:59,936 INFO L158 Benchmark]: BuchiAutomizer took 3868.89ms. Allocated memory was 155.2MB in the beginning and 190.8MB in the end (delta: 35.7MB). Free memory was 97.5MB in the beginning and 136.8MB in the end (delta: -39.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:14:59,936 INFO L158 Benchmark]: Witness Printer took 111.60ms. Allocated memory is still 190.8MB. Free memory was 136.8MB in the beginning and 133.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:14:59,940 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 119.5MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 896.19ms. Allocated memory is still 155.2MB. Free memory was 126.1MB in the beginning and 103.9MB in the end (delta: 22.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 115.30ms. Allocated memory is still 155.2MB. Free memory was 103.9MB in the beginning and 100.4MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.16ms. Allocated memory is still 155.2MB. Free memory was 100.4MB in the beginning and 97.0MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1121.60ms. Allocated memory is still 155.2MB. Free memory was 96.3MB in the beginning and 97.5MB in the end (delta: -1.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 3868.89ms. Allocated memory was 155.2MB in the beginning and 190.8MB in the end (delta: 35.7MB). Free memory was 97.5MB in the beginning and 136.8MB in the end (delta: -39.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 111.60ms. Allocated memory is still 190.8MB. Free memory was 136.8MB in the beginning and 133.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. 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,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [415] - GenericResultAtLocation [Line: 521]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [521] - GenericResultAtLocation [Line: 530]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [530] - GenericResultAtLocation [Line: 581]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [581] - GenericResultAtLocation [Line: 689]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [689] - GenericResultAtLocation [Line: 760]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [760] - GenericResultAtLocation [Line: 985]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [985] * 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 878 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.7s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.6s. Construction of modules took 0.3s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.2s 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, 556 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 556 mSDsluCounter, 1633 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 959 mSDsCounter, 51 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 147 IncrementalHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 51 mSolverCounterUnsat, 674 mSDtfsCounter, 147 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI3 SFLT0 conc0 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: 702]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L416] int cleanupTimeShifts = 4; [L533] int switchedOnBeforeTS ; [L587] int waterLevel = 1; [L588] int methaneLevelCritical = 0; [L763] int pumpRunning = 0; [L764] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L499] int retValue_acc ; [L500] int tmp ; [L504] FCALL select_helpers() [L505] FCALL select_features() [L506] CALL, EXPR valid_product() [L1012] int retValue_acc ; [L1015] retValue_acc = 1 [L1016] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L506] RET, EXPR valid_product() [L506] tmp = valid_product() [L508] COND TRUE \read(tmp) [L510] FCALL setup() [L511] CALL runTest() [L489] CALL __utac_acc__Specification5_spec__1() [L538] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L489] RET __utac_acc__Specification5_spec__1() [L490] CALL test() [L693] int splverifierCounter ; [L694] int tmp ; [L695] int tmp___0 ; [L696] int tmp___1 ; [L697] int tmp___2 ; [L700] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L702] COND TRUE 1 [L704] COND TRUE splverifierCounter < 4 [L710] tmp = __VERIFIER_nondet_int() [L712] COND FALSE !(\read(tmp)) [L720] tmp___0 = __VERIFIER_nondet_int() [L722] COND FALSE !(\read(tmp___0)) [L730] tmp___2 = __VERIFIER_nondet_int() [L732] COND TRUE \read(tmp___2) [L734] CALL startSystem() [L981] systemActive = 1 [L734] RET startSystem() [L749] CALL timeShift() [L771] CALL __utac_acc__Specification5_spec__2() [L547] CALL, EXPR isPumpRunning() [L880] int retValue_acc ; [L883] retValue_acc = pumpRunning [L884] return (retValue_acc); [L547] RET, EXPR isPumpRunning() [L547] switchedOnBeforeTS = isPumpRunning() [L771] RET __utac_acc__Specification5_spec__2() [L773] COND FALSE !(\read(pumpRunning)) [L780] COND TRUE \read(systemActive) [L782] CALL processEnvironment() [L828] int tmp ; [L831] COND FALSE !(\read(pumpRunning)) [L846] CALL processEnvironment__wrappee__highWaterSensor() [L802] int tmp ; [L805] COND TRUE ! pumpRunning [L807] CALL, EXPR isHighWaterLevel() [L925] int retValue_acc ; [L926] int tmp ; [L927] int tmp___0 ; [L931] CALL, EXPR isHighWaterSensorDry() [L667] int retValue_acc ; [L670] COND TRUE waterLevel < 2 [L671] retValue_acc = 1 [L672] return (retValue_acc); [L931] RET, EXPR isHighWaterSensorDry() [L931] tmp = isHighWaterSensorDry() [L933] COND TRUE \read(tmp) [L934] tmp___0 = 0 [L938] retValue_acc = tmp___0 [L939] return (retValue_acc); [L807] RET, EXPR isHighWaterLevel() [L807] tmp = isHighWaterLevel() [L809] COND FALSE !(\read(tmp)) [L815] FCALL processEnvironment__wrappee__base() [L846] RET processEnvironment__wrappee__highWaterSensor() [L782] RET processEnvironment() [L788] CALL __utac_acc__Specification5_spec__3() [L553] int tmp ; [L554] int tmp___0 ; [L558] CALL, EXPR getWaterLevel() [L658] int retValue_acc ; [L661] retValue_acc = waterLevel [L662] return (retValue_acc); [L558] RET, EXPR getWaterLevel() [L558] tmp = getWaterLevel() [L560] COND TRUE tmp != 2 [L562] CALL, EXPR isPumpRunning() [L880] int retValue_acc ; [L883] retValue_acc = pumpRunning [L884] return (retValue_acc); [L562] RET, EXPR isPumpRunning() [L562] tmp___0 = isPumpRunning() [L564] COND FALSE !(\read(tmp___0)) [L788] RET __utac_acc__Specification5_spec__3() [L749] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 702]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L416] int cleanupTimeShifts = 4; [L533] int switchedOnBeforeTS ; [L587] int waterLevel = 1; [L588] int methaneLevelCritical = 0; [L763] int pumpRunning = 0; [L764] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L499] int retValue_acc ; [L500] int tmp ; [L504] FCALL select_helpers() [L505] FCALL select_features() [L506] CALL, EXPR valid_product() [L1012] int retValue_acc ; [L1015] retValue_acc = 1 [L1016] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L506] RET, EXPR valid_product() [L506] tmp = valid_product() [L508] COND TRUE \read(tmp) [L510] FCALL setup() [L511] CALL runTest() [L489] CALL __utac_acc__Specification5_spec__1() [L538] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L489] RET __utac_acc__Specification5_spec__1() [L490] CALL test() [L693] int splverifierCounter ; [L694] int tmp ; [L695] int tmp___0 ; [L696] int tmp___1 ; [L697] int tmp___2 ; [L700] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L702] COND TRUE 1 [L704] COND TRUE splverifierCounter < 4 [L710] tmp = __VERIFIER_nondet_int() [L712] COND FALSE !(\read(tmp)) [L720] tmp___0 = __VERIFIER_nondet_int() [L722] COND FALSE !(\read(tmp___0)) [L730] tmp___2 = __VERIFIER_nondet_int() [L732] COND TRUE \read(tmp___2) [L734] CALL startSystem() [L981] systemActive = 1 [L734] RET startSystem() [L749] CALL timeShift() [L771] CALL __utac_acc__Specification5_spec__2() [L547] CALL, EXPR isPumpRunning() [L880] int retValue_acc ; [L883] retValue_acc = pumpRunning [L884] return (retValue_acc); [L547] RET, EXPR isPumpRunning() [L547] switchedOnBeforeTS = isPumpRunning() [L771] RET __utac_acc__Specification5_spec__2() [L773] COND FALSE !(\read(pumpRunning)) [L780] COND TRUE \read(systemActive) [L782] CALL processEnvironment() [L828] int tmp ; [L831] COND FALSE !(\read(pumpRunning)) [L846] CALL processEnvironment__wrappee__highWaterSensor() [L802] int tmp ; [L805] COND TRUE ! pumpRunning [L807] CALL, EXPR isHighWaterLevel() [L925] int retValue_acc ; [L926] int tmp ; [L927] int tmp___0 ; [L931] CALL, EXPR isHighWaterSensorDry() [L667] int retValue_acc ; [L670] COND TRUE waterLevel < 2 [L671] retValue_acc = 1 [L672] return (retValue_acc); [L931] RET, EXPR isHighWaterSensorDry() [L931] tmp = isHighWaterSensorDry() [L933] COND TRUE \read(tmp) [L934] tmp___0 = 0 [L938] retValue_acc = tmp___0 [L939] return (retValue_acc); [L807] RET, EXPR isHighWaterLevel() [L807] tmp = isHighWaterLevel() [L809] COND FALSE !(\read(tmp)) [L815] FCALL processEnvironment__wrappee__base() [L846] RET processEnvironment__wrappee__highWaterSensor() [L782] RET processEnvironment() [L788] CALL __utac_acc__Specification5_spec__3() [L553] int tmp ; [L554] int tmp___0 ; [L558] CALL, EXPR getWaterLevel() [L658] int retValue_acc ; [L661] retValue_acc = waterLevel [L662] return (retValue_acc); [L558] RET, EXPR getWaterLevel() [L558] tmp = getWaterLevel() [L560] COND TRUE tmp != 2 [L562] CALL, EXPR isPumpRunning() [L880] int retValue_acc ; [L883] retValue_acc = pumpRunning [L884] return (retValue_acc); [L562] RET, EXPR isPumpRunning() [L562] tmp___0 = isPumpRunning() [L564] COND FALSE !(\read(tmp___0)) [L788] RET __utac_acc__Specification5_spec__3() [L749] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 19:14:59,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c857f3f-e0d3-4e7c-87e6-8dbd71d3c221/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, 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)