./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83391a8-f202-4dde-a333-9a02364620a9/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83391a8-f202-4dde-a333-9a02364620a9/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83391a8-f202-4dde-a333-9a02364620a9/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83391a8-f202-4dde-a333-9a02364620a9/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83391a8-f202-4dde-a333-9a02364620a9/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83391a8-f202-4dde-a333-9a02364620a9/bin/uautomizer-verify-zZY32mL2XJ --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 50277b719902a0a4cf598e31b0e94effb6529c58c9c4208972d6754269dc97f6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 22:42:59,535 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 22:42:59,663 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83391a8-f202-4dde-a333-9a02364620a9/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-23 22:42:59,676 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 22:42:59,677 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 22:42:59,718 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 22:42:59,719 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 22:42:59,720 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 22:42:59,721 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 22:42:59,728 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 22:42:59,729 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 22:42:59,730 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 22:42:59,730 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 22:42:59,732 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-23 22:42:59,733 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-23 22:42:59,734 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-23 22:42:59,734 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-23 22:42:59,735 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-23 22:42:59,735 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-23 22:42:59,736 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 22:42:59,736 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-23 22:42:59,737 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 22:42:59,737 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 22:42:59,738 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 22:42:59,738 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 22:42:59,739 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-23 22:42:59,739 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-23 22:42:59,739 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-23 22:42:59,740 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 22:42:59,740 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 22:42:59,742 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 22:42:59,742 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-23 22:42:59,743 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 22:42:59,743 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 22:42:59,743 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 22:42:59,743 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 22:42:59,744 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 22:42:59,744 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-23 22:42:59,745 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_f83391a8-f202-4dde-a333-9a02364620a9/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83391a8-f202-4dde-a333-9a02364620a9/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50277b719902a0a4cf598e31b0e94effb6529c58c9c4208972d6754269dc97f6 [2023-11-23 22:43:00,103 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 22:43:00,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 22:43:00,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 22:43:00,147 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 22:43:00,148 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 22:43:00,150 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83391a8-f202-4dde-a333-9a02364620a9/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c [2023-11-23 22:43:03,347 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 22:43:03,700 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 22:43:03,714 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83391a8-f202-4dde-a333-9a02364620a9/sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c [2023-11-23 22:43:03,736 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83391a8-f202-4dde-a333-9a02364620a9/bin/uautomizer-verify-zZY32mL2XJ/data/76856c154/ab97db8205764c578235c22bcbb3f79d/FLAG146fb9814 [2023-11-23 22:43:03,753 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83391a8-f202-4dde-a333-9a02364620a9/bin/uautomizer-verify-zZY32mL2XJ/data/76856c154/ab97db8205764c578235c22bcbb3f79d [2023-11-23 22:43:03,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 22:43:03,763 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 22:43:03,765 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 22:43:03,765 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 22:43:03,771 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 22:43:03,771 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:43:03" (1/1) ... [2023-11-23 22:43:03,772 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20906250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:43:03, skipping insertion in model container [2023-11-23 22:43:03,773 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:43:03" (1/1) ... [2023-11-23 22:43:03,848 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 22:43:04,192 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:43:04,211 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 22:43:04,222 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2023-11-23 22:43:04,224 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [135] [2023-11-23 22:43:04,224 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [239] [2023-11-23 22:43:04,224 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [274] [2023-11-23 22:43:04,225 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [640] [2023-11-23 22:43:04,225 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [691] [2023-11-23 22:43:04,225 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [756] [2023-11-23 22:43:04,225 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [868] [2023-11-23 22:43:04,286 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:43:04,308 INFO L206 MainTranslator]: Completed translation [2023-11-23 22:43:04,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:43:04 WrapperNode [2023-11-23 22:43:04,309 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 22:43:04,311 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 22:43:04,311 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 22:43:04,311 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 22:43:04,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:43:04" (1/1) ... [2023-11-23 22:43:04,337 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:43:04" (1/1) ... [2023-11-23 22:43:04,374 INFO L138 Inliner]: procedures = 51, calls = 92, calls flagged for inlining = 45, calls inlined = 42, statements flattened = 268 [2023-11-23 22:43:04,374 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 22:43:04,375 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 22:43:04,375 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 22:43:04,375 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 22:43:04,387 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:43:04" (1/1) ... [2023-11-23 22:43:04,388 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:43:04" (1/1) ... [2023-11-23 22:43:04,391 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:43:04" (1/1) ... [2023-11-23 22:43:04,407 INFO L189 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-23 22:43:04,408 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:43:04" (1/1) ... [2023-11-23 22:43:04,421 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:43:04" (1/1) ... [2023-11-23 22:43:04,445 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:43:04" (1/1) ... [2023-11-23 22:43:04,450 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:43:04" (1/1) ... [2023-11-23 22:43:04,452 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:43:04" (1/1) ... [2023-11-23 22:43:04,454 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:43:04" (1/1) ... [2023-11-23 22:43:04,458 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 22:43:04,459 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 22:43:04,459 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 22:43:04,459 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 22:43:04,460 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:43:04" (1/1) ... [2023-11-23 22:43:04,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:43:04,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83391a8-f202-4dde-a333-9a02364620a9/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:43:04,500 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83391a8-f202-4dde-a333-9a02364620a9/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:43:04,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83391a8-f202-4dde-a333-9a02364620a9/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-23 22:43:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 22:43:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-23 22:43:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 22:43:04,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 22:43:04,640 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 22:43:04,642 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 22:43:04,990 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 22:43:05,015 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 22:43:05,015 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 22:43:05,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:43:05 BoogieIcfgContainer [2023-11-23 22:43:05,017 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 22:43:05,018 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-23 22:43:05,018 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-23 22:43:05,022 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-23 22:43:05,023 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-23 22:43:05,023 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 10:43:03" (1/3) ... [2023-11-23 22:43:05,024 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ee4b30c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 10:43:05, skipping insertion in model container [2023-11-23 22:43:05,024 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-23 22:43:05,024 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:43:04" (2/3) ... [2023-11-23 22:43:05,025 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ee4b30c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 10:43:05, skipping insertion in model container [2023-11-23 22:43:05,025 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-23 22:43:05,025 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:43:05" (3/3) ... [2023-11-23 22:43:05,027 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product01.cil.c [2023-11-23 22:43:05,120 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-23 22:43:05,121 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-23 22:43:05,121 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-23 22:43:05,121 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-23 22:43:05,121 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-23 22:43:05,122 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-23 22:43:05,122 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-23 22:43:05,122 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-23 22:43:05,127 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 88 states, 87 states have (on average 1.3563218390804597) internal successors, (118), 87 states have internal predecessors, (118), 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) [2023-11-23 22:43:05,154 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 54 [2023-11-23 22:43:05,154 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-23 22:43:05,154 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-23 22:43:05,163 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:43:05,163 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:43:05,164 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-23 22:43:05,164 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 88 states, 87 states have (on average 1.3563218390804597) internal successors, (118), 87 states have internal predecessors, (118), 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) [2023-11-23 22:43:05,172 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 54 [2023-11-23 22:43:05,172 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-23 22:43:05,172 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-23 22:43:05,173 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:43:05,174 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:43:05,180 INFO L748 eck$LassoCheckResult]: Stem: 36#$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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 44#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 30#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 42#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~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 26#valid_product_returnLabel#1true main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 16#L226true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 5#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; 61#__utac_acc__Specification5_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#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; 47#L702-2true [2023-11-23 22:43:05,181 INFO L750 eck$LassoCheckResult]: Loop: 47#L702-2true assume !false; 17#L703true assume test_~splverifierCounter~0#1 < 4; 66#L704true havoc test_#t~nondet37#1;test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 78#L712true assume !(0 != test_~tmp~5#1); 68#L712-2true havoc test_#t~nondet38#1;test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 72#L722true assume !(0 != test_~tmp___0~1#1); 81#L722-2true havoc test_#t~nondet39#1;test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 33#L732true assume 0 != test_~tmp___2~0#1; 56#L738-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret34#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; 55#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret34#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret34#1;havoc __utac_acc__Specification5_spec__2_#t~ret34#1; 19#__utac_acc__Specification5_spec__2_returnLabel#1true havoc __utac_acc__Specification5_spec__2_#t~ret34#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 52#L769true assume !(0 != ~pumpRunning~0); 20#L769-2true assume !(0 != ~systemActive~0); 9#L776-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret35#1, __utac_acc__Specification5_spec__3_#t~ret36#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~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 74#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret35#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret35#1;havoc __utac_acc__Specification5_spec__3_#t~ret35#1; 57#L670true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4#1); 21#L670-1true havoc __utac_acc__Specification5_spec__3_#t~ret35#1, __utac_acc__Specification5_spec__3_#t~ret36#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; 75#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 47#L702-2true [2023-11-23 22:43:05,188 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:43:05,188 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2023-11-23 22:43:05,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:43:05,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621186378] [2023-11-23 22:43:05,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:43:05,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:43:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:43:05,310 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 22:43:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:43:05,348 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 22:43:05,351 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:43:05,352 INFO L85 PathProgramCache]: Analyzing trace with hash -638815666, now seen corresponding path program 1 times [2023-11-23 22:43:05,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:43:05,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126095001] [2023-11-23 22:43:05,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:43:05,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:43:05,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:43:05,364 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 22:43:05,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:43:05,375 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 22:43:05,377 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:43:05,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1978168073, now seen corresponding path program 1 times [2023-11-23 22:43:05,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:43:05,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694562413] [2023-11-23 22:43:05,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:43:05,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:43:05,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:43:05,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:43:05,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:43:05,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694562413] [2023-11-23 22:43:05,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694562413] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:43:05,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:43:05,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 22:43:05,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692471680] [2023-11-23 22:43:05,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:43:05,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:43:05,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 22:43:05,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 22:43:05,939 INFO L87 Difference]: Start difference. First operand has 88 states, 87 states have (on average 1.3563218390804597) internal successors, (118), 87 states have internal predecessors, (118), 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 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 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) [2023-11-23 22:43:06,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:43:06,003 INFO L93 Difference]: Finished difference Result 82 states and 101 transitions. [2023-11-23 22:43:06,004 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 82 states and 101 transitions. [2023-11-23 22:43:06,008 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 48 [2023-11-23 22:43:06,013 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 82 states to 72 states and 91 transitions. [2023-11-23 22:43:06,014 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 72 [2023-11-23 22:43:06,015 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 72 [2023-11-23 22:43:06,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 72 states and 91 transitions. [2023-11-23 22:43:06,016 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:43:06,016 INFO L218 hiAutomatonCegarLoop]: Abstraction has 72 states and 91 transitions. [2023-11-23 22:43:06,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states and 91 transitions. [2023-11-23 22:43:06,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-11-23 22:43:06,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 72 states have (on average 1.2638888888888888) internal successors, (91), 71 states have internal predecessors, (91), 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) [2023-11-23 22:43:06,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 91 transitions. [2023-11-23 22:43:06,059 INFO L240 hiAutomatonCegarLoop]: Abstraction has 72 states and 91 transitions. [2023-11-23 22:43:06,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 22:43:06,065 INFO L428 stractBuchiCegarLoop]: Abstraction has 72 states and 91 transitions. [2023-11-23 22:43:06,066 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-23 22:43:06,066 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states and 91 transitions. [2023-11-23 22:43:06,070 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 48 [2023-11-23 22:43:06,070 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-23 22:43:06,070 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-23 22:43:06,074 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:43:06,074 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] [2023-11-23 22:43:06,075 INFO L748 eck$LassoCheckResult]: Stem: 238#$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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 239#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 231#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 232#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~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 227#valid_product_returnLabel#1 main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 207#L226 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 190#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; 191#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#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; 246#L702-2 [2023-11-23 22:43:06,075 INFO L750 eck$LassoCheckResult]: Loop: 246#L702-2 assume !false; 211#L703 assume test_~splverifierCounter~0#1 < 4; 212#L704 havoc test_#t~nondet37#1;test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 257#L712 assume !(0 != test_~tmp~5#1); 244#L712-2 havoc test_#t~nondet38#1;test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 258#L722 assume !(0 != test_~tmp___0~1#1); 259#L722-2 havoc test_#t~nondet39#1;test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 233#L732 assume 0 != test_~tmp___2~0#1; 234#L738-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret34#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; 252#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret34#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret34#1;havoc __utac_acc__Specification5_spec__2_#t~ret34#1; 214#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret34#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 215#L769 assume !(0 != ~pumpRunning~0); 216#L769-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 217#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 195#L776-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret35#1, __utac_acc__Specification5_spec__3_#t~ret36#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~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 196#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret35#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret35#1;havoc __utac_acc__Specification5_spec__3_#t~ret35#1; 253#L670 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4#1); 218#L670-1 havoc __utac_acc__Specification5_spec__3_#t~ret35#1, __utac_acc__Specification5_spec__3_#t~ret36#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; 219#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 246#L702-2 [2023-11-23 22:43:06,075 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:43:06,076 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2023-11-23 22:43:06,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:43:06,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656426724] [2023-11-23 22:43:06,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:43:06,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:43:06,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:43:06,107 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 22:43:06,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:43:06,128 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 22:43:06,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:43:06,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1995575123, now seen corresponding path program 1 times [2023-11-23 22:43:06,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:43:06,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626716307] [2023-11-23 22:43:06,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:43:06,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:43:06,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:43:06,147 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 22:43:06,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:43:06,163 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 22:43:06,163 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:43:06,164 INFO L85 PathProgramCache]: Analyzing trace with hash -565826780, now seen corresponding path program 1 times [2023-11-23 22:43:06,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:43:06,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020818811] [2023-11-23 22:43:06,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:43:06,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:43:06,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:43:06,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:43:06,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:43:06,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020818811] [2023-11-23 22:43:06,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020818811] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:43:06,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:43:06,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 22:43:06,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282942100] [2023-11-23 22:43:06,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:43:06,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:43:06,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 22:43:06,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:43:06,460 INFO L87 Difference]: Start difference. First operand 72 states and 91 transitions. cyclomatic complexity: 21 Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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) [2023-11-23 22:43:06,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:43:06,630 INFO L93 Difference]: Finished difference Result 186 states and 236 transitions. [2023-11-23 22:43:06,631 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 186 states and 236 transitions. [2023-11-23 22:43:06,645 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 116 [2023-11-23 22:43:06,651 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 186 states to 186 states and 236 transitions. [2023-11-23 22:43:06,651 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 186 [2023-11-23 22:43:06,652 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 186 [2023-11-23 22:43:06,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 186 states and 236 transitions. [2023-11-23 22:43:06,653 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:43:06,654 INFO L218 hiAutomatonCegarLoop]: Abstraction has 186 states and 236 transitions. [2023-11-23 22:43:06,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states and 236 transitions. [2023-11-23 22:43:06,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 135. [2023-11-23 22:43:06,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 135 states have (on average 1.2518518518518518) internal successors, (169), 134 states have internal predecessors, (169), 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) [2023-11-23 22:43:06,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 169 transitions. [2023-11-23 22:43:06,681 INFO L240 hiAutomatonCegarLoop]: Abstraction has 135 states and 169 transitions. [2023-11-23 22:43:06,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 22:43:06,682 INFO L428 stractBuchiCegarLoop]: Abstraction has 135 states and 169 transitions. [2023-11-23 22:43:06,682 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-23 22:43:06,682 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 135 states and 169 transitions. [2023-11-23 22:43:06,684 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 95 [2023-11-23 22:43:06,684 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-23 22:43:06,685 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-23 22:43:06,687 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:43:06,687 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] [2023-11-23 22:43:06,687 INFO L748 eck$LassoCheckResult]: Stem: 514#$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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 515#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 504#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 505#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~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 500#valid_product_returnLabel#1 main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 479#L226 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 462#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; 463#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#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; 523#L702-2 [2023-11-23 22:43:06,687 INFO L750 eck$LassoCheckResult]: Loop: 523#L702-2 assume !false; 480#L703 assume test_~splverifierCounter~0#1 < 4; 481#L704 havoc test_#t~nondet37#1;test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 543#L712 assume !(0 != test_~tmp~5#1); 544#L712-2 havoc test_#t~nondet38#1;test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 545#L722 assume !(0 != test_~tmp___0~1#1); 546#L722-2 havoc test_#t~nondet39#1;test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 508#L732 assume 0 != test_~tmp___2~0#1; 509#L738-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret34#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; 534#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret34#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret34#1;havoc __utac_acc__Specification5_spec__2_#t~ret34#1; 486#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret34#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 487#L769 assume !(0 != ~pumpRunning~0); 564#L769-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 501#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 469#L776-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret35#1, __utac_acc__Specification5_spec__3_#t~ret36#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~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 470#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret35#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret35#1;havoc __utac_acc__Specification5_spec__3_#t~ret35#1; 535#L670 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; 536#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret36#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~ret36#1;havoc __utac_acc__Specification5_spec__3_#t~ret36#1; 495#L674 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1); 496#L670-1 havoc __utac_acc__Specification5_spec__3_#t~ret35#1, __utac_acc__Specification5_spec__3_#t~ret36#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; 549#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 523#L702-2 [2023-11-23 22:43:06,688 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:43:06,688 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2023-11-23 22:43:06,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:43:06,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742223034] [2023-11-23 22:43:06,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:43:06,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:43:06,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:43:06,706 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 22:43:06,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:43:06,723 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 22:43:06,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:43:06,723 INFO L85 PathProgramCache]: Analyzing trace with hash 2081681960, now seen corresponding path program 1 times [2023-11-23 22:43:06,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:43:06,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193347546] [2023-11-23 22:43:06,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:43:06,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:43:06,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:43:06,731 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 22:43:06,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:43:06,749 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 22:43:06,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:43:06,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1680304863, now seen corresponding path program 1 times [2023-11-23 22:43:06,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:43:06,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554300288] [2023-11-23 22:43:06,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:43:06,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:43:06,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:43:06,761 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 22:43:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:43:06,773 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 22:43:07,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:43:07,838 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 22:43:07,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:43:07,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 10:43:07 BoogieIcfgContainer [2023-11-23 22:43:07,896 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-23 22:43:07,897 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 22:43:07,897 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 22:43:07,897 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 22:43:07,898 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:43:05" (3/4) ... [2023-11-23 22:43:07,899 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-23 22:43:07,956 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83391a8-f202-4dde-a333-9a02364620a9/bin/uautomizer-verify-zZY32mL2XJ/witness.graphml [2023-11-23 22:43:07,957 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 22:43:07,957 INFO L158 Benchmark]: Toolchain (without parser) took 4194.35ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 91.0MB in the beginning and 101.1MB in the end (delta: -10.2MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2023-11-23 22:43:07,958 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 94.4MB. Free memory is still 62.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 22:43:07,958 INFO L158 Benchmark]: CACSL2BoogieTranslator took 545.10ms. Allocated memory is still 119.5MB. Free memory was 91.0MB in the beginning and 72.5MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 22:43:07,959 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.57ms. Allocated memory is still 119.5MB. Free memory was 72.5MB in the beginning and 70.0MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 22:43:07,959 INFO L158 Benchmark]: Boogie Preprocessor took 82.84ms. Allocated memory is still 119.5MB. Free memory was 70.0MB in the beginning and 67.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 22:43:07,960 INFO L158 Benchmark]: RCFGBuilder took 558.44ms. Allocated memory is still 119.5MB. Free memory was 67.9MB in the beginning and 52.3MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 22:43:07,960 INFO L158 Benchmark]: BuchiAutomizer took 2878.59ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 52.3MB in the beginning and 104.3MB in the end (delta: -51.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 22:43:07,961 INFO L158 Benchmark]: Witness Printer took 59.71ms. Allocated memory is still 144.7MB. Free memory was 104.3MB in the beginning and 101.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 22:43:07,963 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 94.4MB. Free memory is still 62.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 545.10ms. Allocated memory is still 119.5MB. Free memory was 91.0MB in the beginning and 72.5MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.57ms. Allocated memory is still 119.5MB. Free memory was 72.5MB in the beginning and 70.0MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.84ms. Allocated memory is still 119.5MB. Free memory was 70.0MB in the beginning and 67.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 558.44ms. Allocated memory is still 119.5MB. Free memory was 67.9MB in the beginning and 52.3MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 2878.59ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 52.3MB in the beginning and 104.3MB in the end (delta: -51.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 59.71ms. Allocated memory is still 144.7MB. Free memory was 104.3MB in the beginning and 101.1MB 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 135]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [135] - GenericResultAtLocation [Line: 239]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [239] - GenericResultAtLocation [Line: 274]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [274] - GenericResultAtLocation [Line: 640]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [640] - GenericResultAtLocation [Line: 691]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [691] - GenericResultAtLocation [Line: 756]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [756] - GenericResultAtLocation [Line: 868]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [868] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 135 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 51 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, 550 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 550 mSDsluCounter, 491 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 284 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 85 IncrementalHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 207 mSDtfsCounter, 85 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L136] int cleanupTimeShifts = 4; [L444] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L643] int switchedOnBeforeTS ; [L759] int pumpRunning = 0; [L760] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L217] int retValue_acc ; [L218] int tmp ; [L222] FCALL select_helpers() [L223] FCALL select_features() [L224] CALL, EXPR valid_product() [L266] int retValue_acc ; [L269] retValue_acc = 1 [L270] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L224] RET, EXPR valid_product() [L224] tmp = valid_product() [L226] COND TRUE \read(tmp) [L228] FCALL setup() [L229] CALL runTest() [L207] CALL __utac_acc__Specification5_spec__1() [L648] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L207] RET __utac_acc__Specification5_spec__1() [L208] 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) [L745] CALL timeShift() [L767] CALL __utac_acc__Specification5_spec__2() [L657] CALL, EXPR isPumpRunning() [L824] int retValue_acc ; [L827] retValue_acc = pumpRunning [L828] return (retValue_acc); [L657] RET, EXPR isPumpRunning() [L657] switchedOnBeforeTS = isPumpRunning() [L767] RET __utac_acc__Specification5_spec__2() [L769] COND FALSE !(\read(pumpRunning)) [L776] COND TRUE \read(systemActive) [L778] FCALL processEnvironment() [L784] CALL __utac_acc__Specification5_spec__3() [L663] int tmp ; [L664] int tmp___0 ; [L668] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L668] RET, EXPR getWaterLevel() [L668] tmp = getWaterLevel() [L670] COND TRUE tmp != 2 [L672] CALL, EXPR isPumpRunning() [L824] int retValue_acc ; [L827] retValue_acc = pumpRunning [L828] return (retValue_acc); [L672] RET, EXPR isPumpRunning() [L672] tmp___0 = isPumpRunning() [L674] COND FALSE !(\read(tmp___0)) [L784] RET __utac_acc__Specification5_spec__3() [L745] 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: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L136] int cleanupTimeShifts = 4; [L444] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L643] int switchedOnBeforeTS ; [L759] int pumpRunning = 0; [L760] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L217] int retValue_acc ; [L218] int tmp ; [L222] FCALL select_helpers() [L223] FCALL select_features() [L224] CALL, EXPR valid_product() [L266] int retValue_acc ; [L269] retValue_acc = 1 [L270] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L224] RET, EXPR valid_product() [L224] tmp = valid_product() [L226] COND TRUE \read(tmp) [L228] FCALL setup() [L229] CALL runTest() [L207] CALL __utac_acc__Specification5_spec__1() [L648] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L207] RET __utac_acc__Specification5_spec__1() [L208] 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) [L745] CALL timeShift() [L767] CALL __utac_acc__Specification5_spec__2() [L657] CALL, EXPR isPumpRunning() [L824] int retValue_acc ; [L827] retValue_acc = pumpRunning [L828] return (retValue_acc); [L657] RET, EXPR isPumpRunning() [L657] switchedOnBeforeTS = isPumpRunning() [L767] RET __utac_acc__Specification5_spec__2() [L769] COND FALSE !(\read(pumpRunning)) [L776] COND TRUE \read(systemActive) [L778] FCALL processEnvironment() [L784] CALL __utac_acc__Specification5_spec__3() [L663] int tmp ; [L664] int tmp___0 ; [L668] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L668] RET, EXPR getWaterLevel() [L668] tmp = getWaterLevel() [L670] COND TRUE tmp != 2 [L672] CALL, EXPR isPumpRunning() [L824] int retValue_acc ; [L827] retValue_acc = pumpRunning [L828] return (retValue_acc); [L672] RET, EXPR isPumpRunning() [L672] tmp___0 = isPumpRunning() [L674] COND FALSE !(\read(tmp___0)) [L784] RET __utac_acc__Specification5_spec__3() [L745] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-23 22:43:08,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83391a8-f202-4dde-a333-9a02364620a9/bin/uautomizer-verify-zZY32mL2XJ/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)