./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product28.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc 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_42304d40-10a2-48f9-8098-58f9bbf63800/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42304d40-10a2-48f9-8098-58f9bbf63800/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42304d40-10a2-48f9-8098-58f9bbf63800/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42304d40-10a2-48f9-8098-58f9bbf63800/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product28.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42304d40-10a2-48f9-8098-58f9bbf63800/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42304d40-10a2-48f9-8098-58f9bbf63800/bin/uautomizer-verify-VRDe98Ueme --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 fad1f46ef1d66409ef51b118a06472b77e31d844250c32d0f4ef55111b850abc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:42:26,351 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:42:26,478 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42304d40-10a2-48f9-8098-58f9bbf63800/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-26 10:42:26,489 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:42:26,489 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:42:26,515 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:42:26,516 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:42:26,517 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:42:26,518 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:42:26,518 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:42:26,519 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:42:26,520 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:42:26,521 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:42:26,521 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 10:42:26,522 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 10:42:26,522 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 10:42:26,523 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 10:42:26,524 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 10:42:26,524 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 10:42:26,525 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:42:26,526 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 10:42:26,526 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:42:26,527 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:42:26,528 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:42:26,528 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:42:26,529 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 10:42:26,529 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 10:42:26,530 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 10:42:26,530 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:42:26,531 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:42:26,531 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:42:26,532 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 10:42:26,532 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:42:26,533 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:42:26,533 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:42:26,534 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:42:26,534 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:42:26,535 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 10:42:26,535 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_42304d40-10a2-48f9-8098-58f9bbf63800/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42304d40-10a2-48f9-8098-58f9bbf63800/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fad1f46ef1d66409ef51b118a06472b77e31d844250c32d0f4ef55111b850abc [2023-11-26 10:42:26,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:42:26,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:42:26,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:42:26,874 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:42:26,875 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:42:26,877 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42304d40-10a2-48f9-8098-58f9bbf63800/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/product-lines/minepump_spec3_product28.cil.c [2023-11-26 10:42:30,028 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:42:30,284 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:42:30,285 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42304d40-10a2-48f9-8098-58f9bbf63800/sv-benchmarks/c/product-lines/minepump_spec3_product28.cil.c [2023-11-26 10:42:30,300 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42304d40-10a2-48f9-8098-58f9bbf63800/bin/uautomizer-verify-VRDe98Ueme/data/0bec3f535/dbc013961aaa4a06a582d4282e2e4151/FLAGee7f6644b [2023-11-26 10:42:30,316 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42304d40-10a2-48f9-8098-58f9bbf63800/bin/uautomizer-verify-VRDe98Ueme/data/0bec3f535/dbc013961aaa4a06a582d4282e2e4151 [2023-11-26 10:42:30,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:42:30,321 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:42:30,323 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:42:30,323 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:42:30,329 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:42:30,329 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:42:30" (1/1) ... [2023-11-26 10:42:30,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69bffa35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:30, skipping insertion in model container [2023-11-26 10:42:30,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:42:30" (1/1) ... [2023-11-26 10:42:30,381 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:42:30,704 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:42:30,717 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:42:30,729 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2023-11-26 10:42:30,731 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [87] [2023-11-26 10:42:30,731 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [292] [2023-11-26 10:42:30,731 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [364] [2023-11-26 10:42:30,732 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [454] [2023-11-26 10:42:30,732 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [550] [2023-11-26 10:42:30,732 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [559] [2023-11-26 10:42:30,733 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [593] [2023-11-26 10:42:30,789 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:42:30,815 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:42:30,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:30 WrapperNode [2023-11-26 10:42:30,816 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:42:30,817 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:42:30,818 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:42:30,818 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:42:30,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:30" (1/1) ... [2023-11-26 10:42:30,853 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:30" (1/1) ... [2023-11-26 10:42:30,903 INFO L138 Inliner]: procedures = 55, calls = 100, calls flagged for inlining = 53, calls inlined = 56, statements flattened = 370 [2023-11-26 10:42:30,904 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:42:30,904 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:42:30,905 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:42:30,905 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:42:30,926 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:30" (1/1) ... [2023-11-26 10:42:30,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:30" (1/1) ... [2023-11-26 10:42:30,931 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:30" (1/1) ... [2023-11-26 10:42:30,963 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]. [2023-11-26 10:42:30,964 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:30" (1/1) ... [2023-11-26 10:42:30,964 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:30" (1/1) ... [2023-11-26 10:42:30,974 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:30" (1/1) ... [2023-11-26 10:42:30,979 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:30" (1/1) ... [2023-11-26 10:42:30,981 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:30" (1/1) ... [2023-11-26 10:42:30,991 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:30" (1/1) ... [2023-11-26 10:42:30,995 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:42:30,996 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:42:30,996 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:42:30,996 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:42:30,998 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:30" (1/1) ... [2023-11-26 10:42:31,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:31,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42304d40-10a2-48f9-8098-58f9bbf63800/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:31,045 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42304d40-10a2-48f9-8098-58f9bbf63800/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:31,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42304d40-10a2-48f9-8098-58f9bbf63800/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 10:42:31,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:42:31,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:42:31,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:42:31,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:42:31,254 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:42:31,257 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:42:31,675 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:42:31,690 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:42:31,702 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-26 10:42:31,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:42:31 BoogieIcfgContainer [2023-11-26 10:42:31,705 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:42:31,706 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 10:42:31,706 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 10:42:31,710 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 10:42:31,710 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:42:31,710 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 10:42:30" (1/3) ... [2023-11-26 10:42:31,711 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ab1558f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 10:42:31, skipping insertion in model container [2023-11-26 10:42:31,712 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:42:31,712 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:30" (2/3) ... [2023-11-26 10:42:31,712 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ab1558f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 10:42:31, skipping insertion in model container [2023-11-26 10:42:31,712 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:42:31,712 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:42:31" (3/3) ... [2023-11-26 10:42:31,714 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product28.cil.c [2023-11-26 10:42:31,779 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 10:42:31,779 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 10:42:31,780 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 10:42:31,780 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 10:42:31,781 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 10:42:31,781 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 10:42:31,781 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 10:42:31,782 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 10:42:31,792 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 116 states, 115 states have (on average 1.3565217391304347) internal successors, (156), 115 states have internal predecessors, (156), 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) [2023-11-26 10:42:31,832 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 75 [2023-11-26 10:42:31,833 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:42:31,833 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:42:31,840 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:42:31,841 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:42:31,841 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 10:42:31,842 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 116 states, 115 states have (on average 1.3565217391304347) internal successors, (156), 115 states have internal predecessors, (156), 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) [2023-11-26 10:42:31,852 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 75 [2023-11-26 10:42:31,852 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:42:31,852 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:42:31,854 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:42:31,854 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:42:31,860 INFO L748 eck$LassoCheckResult]: Stem: 25#$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);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 36#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret26#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 21#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 93#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 83#valid_product_returnLabel#1true main_#t~ret26#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret26#1;havoc main_#t~ret26#1; 79#L537true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 66#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 37#L306-2true [2023-11-26 10:42:31,863 INFO L750 eck$LassoCheckResult]: Loop: 37#L306-2true assume !false; 75#L307true assume test_~splverifierCounter~0#1 < 4; 11#L308true havoc test_#t~nondet17#1;test_~tmp~3#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 98#L316true assume !(0 != test_~tmp~3#1); 73#L316-2true havoc test_#t~nondet18#1;test_~tmp___0~1#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 23#L326true assume !(0 != test_~tmp___0~1#1); 17#L326-2true havoc test_#t~nondet19#1;test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 76#L336true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet20#1;test_~tmp___1~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 26#L344true assume !(0 != test_~tmp___1~0#1); 74#L344-2true assume { :begin_inline_timeShift } true; 105#L107true assume !(0 != ~pumpRunning~0); 60#L107-2true assume !(0 != ~systemActive~0); 87#L114-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret27#1, __utac_acc__Specification3_spec__1_#t~ret28#1, __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_~tmp~5#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~5#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; 104#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification3_spec__1_#t~ret27#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~5#1 := __utac_acc__Specification3_spec__1_#t~ret27#1;havoc __utac_acc__Specification3_spec__1_#t~ret27#1; 32#L569true assume 0 != __utac_acc__Specification3_spec__1_~tmp~5#1; 33#L575-1true havoc __utac_acc__Specification3_spec__1_#t~ret27#1, __utac_acc__Specification3_spec__1_#t~ret28#1, __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_~tmp~5#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 55#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 37#L306-2true [2023-11-26 10:42:31,869 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:31,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2023-11-26 10:42:31,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:31,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685724712] [2023-11-26 10:42:31,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:31,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:31,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:31,982 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:42:32,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:32,037 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:42:32,040 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:32,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1380821121, now seen corresponding path program 1 times [2023-11-26 10:42:32,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:32,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782527453] [2023-11-26 10:42:32,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:32,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:32,053 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:42:32,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:32,065 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:42:32,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:32,067 INFO L85 PathProgramCache]: Analyzing trace with hash 449139517, now seen corresponding path program 1 times [2023-11-26 10:42:32,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:32,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979175968] [2023-11-26 10:42:32,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:32,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:32,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:32,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:42:32,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:42:32,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979175968] [2023-11-26 10:42:32,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979175968] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:42:32,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:42:32,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:42:32,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273696814] [2023-11-26 10:42:32,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:42:32,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:42:32,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:42:32,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:42:32,546 INFO L87 Difference]: Start difference. First operand has 116 states, 115 states have (on average 1.3565217391304347) internal successors, (156), 115 states have internal predecessors, (156), 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 4.0) internal successors, (24), 5 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) [2023-11-26 10:42:32,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:42:32,776 INFO L93 Difference]: Finished difference Result 384 states and 494 transitions. [2023-11-26 10:42:32,777 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 384 states and 494 transitions. [2023-11-26 10:42:32,795 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 248 [2023-11-26 10:42:32,807 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 384 states to 344 states and 454 transitions. [2023-11-26 10:42:32,808 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 344 [2023-11-26 10:42:32,809 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 344 [2023-11-26 10:42:32,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 344 states and 454 transitions. [2023-11-26 10:42:32,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:42:32,813 INFO L218 hiAutomatonCegarLoop]: Abstraction has 344 states and 454 transitions. [2023-11-26 10:42:32,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states and 454 transitions. [2023-11-26 10:42:32,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 158. [2023-11-26 10:42:32,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 158 states have (on average 1.3227848101265822) internal successors, (209), 157 states have internal predecessors, (209), 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) [2023-11-26 10:42:32,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 209 transitions. [2023-11-26 10:42:32,878 INFO L240 hiAutomatonCegarLoop]: Abstraction has 158 states and 209 transitions. [2023-11-26 10:42:32,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:42:32,888 INFO L428 stractBuchiCegarLoop]: Abstraction has 158 states and 209 transitions. [2023-11-26 10:42:32,888 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 10:42:32,888 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 158 states and 209 transitions. [2023-11-26 10:42:32,892 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 113 [2023-11-26 10:42:32,892 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:42:32,892 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:42:32,893 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:42:32,893 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] [2023-11-26 10:42:32,894 INFO L748 eck$LassoCheckResult]: Stem: 559#$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);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 560#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret26#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 549#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 550#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 609#valid_product_returnLabel#1 main_#t~ret26#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret26#1;havoc main_#t~ret26#1; 607#L537 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 596#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 574#L306-2 [2023-11-26 10:42:32,894 INFO L750 eck$LassoCheckResult]: Loop: 574#L306-2 assume !false; 575#L307 assume test_~splverifierCounter~0#1 < 4; 528#L308 havoc test_#t~nondet17#1;test_~tmp~3#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 529#L316 assume !(0 != test_~tmp~3#1); 540#L316-2 havoc test_#t~nondet18#1;test_~tmp___0~1#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 551#L326 assume !(0 != test_~tmp___0~1#1); 541#L326-2 havoc test_#t~nondet19#1;test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 542#L336 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet20#1;test_~tmp___1~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 561#L344 assume !(0 != test_~tmp___1~0#1); 562#L344-2 assume { :begin_inline_timeShift } true; 603#L107 assume !(0 != ~pumpRunning~0); 591#L107-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1; 553#L139 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 554#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 524#L139-1 havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~0#1;assume { :end_inline_processEnvironment } true; 525#L114-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret27#1, __utac_acc__Specification3_spec__1_#t~ret28#1, __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_~tmp~5#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~5#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; 612#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret27#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~5#1 := __utac_acc__Specification3_spec__1_#t~ret27#1;havoc __utac_acc__Specification3_spec__1_#t~ret27#1; 569#L569 assume 0 != __utac_acc__Specification3_spec__1_~tmp~5#1; 531#L575-1 havoc __utac_acc__Specification3_spec__1_#t~ret27#1, __utac_acc__Specification3_spec__1_#t~ret28#1, __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_~tmp~5#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 571#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 574#L306-2 [2023-11-26 10:42:32,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:32,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2023-11-26 10:42:32,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:32,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85962426] [2023-11-26 10:42:32,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:32,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:32,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:32,931 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:42:32,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:32,954 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:42:32,955 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:32,955 INFO L85 PathProgramCache]: Analyzing trace with hash 171614199, now seen corresponding path program 1 times [2023-11-26 10:42:32,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:32,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202077158] [2023-11-26 10:42:32,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:32,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:32,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:32,963 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:42:32,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:32,971 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:42:32,972 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:32,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1476383813, now seen corresponding path program 1 times [2023-11-26 10:42:32,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:32,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893886241] [2023-11-26 10:42:32,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:32,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:32,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:33,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:42:33,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:42:33,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893886241] [2023-11-26 10:42:33,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893886241] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:42:33,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:42:33,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:42:33,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26555575] [2023-11-26 10:42:33,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:42:33,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:42:33,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:42:33,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:42:33,208 INFO L87 Difference]: Start difference. First operand 158 states and 209 transitions. cyclomatic complexity: 54 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) [2023-11-26 10:42:33,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:42:33,300 INFO L93 Difference]: Finished difference Result 408 states and 537 transitions. [2023-11-26 10:42:33,301 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 408 states and 537 transitions. [2023-11-26 10:42:33,306 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 298 [2023-11-26 10:42:33,311 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 408 states to 408 states and 537 transitions. [2023-11-26 10:42:33,317 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 408 [2023-11-26 10:42:33,318 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 408 [2023-11-26 10:42:33,319 INFO L73 IsDeterministic]: Start isDeterministic. Operand 408 states and 537 transitions. [2023-11-26 10:42:33,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:42:33,324 INFO L218 hiAutomatonCegarLoop]: Abstraction has 408 states and 537 transitions. [2023-11-26 10:42:33,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states and 537 transitions. [2023-11-26 10:42:33,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 309. [2023-11-26 10:42:33,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 309 states have (on average 1.3042071197411003) internal successors, (403), 308 states have internal predecessors, (403), 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) [2023-11-26 10:42:33,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 403 transitions. [2023-11-26 10:42:33,356 INFO L240 hiAutomatonCegarLoop]: Abstraction has 309 states and 403 transitions. [2023-11-26 10:42:33,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-26 10:42:33,357 INFO L428 stractBuchiCegarLoop]: Abstraction has 309 states and 403 transitions. [2023-11-26 10:42:33,358 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-26 10:42:33,358 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 309 states and 403 transitions. [2023-11-26 10:42:33,360 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 226 [2023-11-26 10:42:33,360 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:42:33,361 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:42:33,363 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:42:33,363 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] [2023-11-26 10:42:33,364 INFO L748 eck$LassoCheckResult]: Stem: 1141#$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);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 1142#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret26#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 1130#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1131#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 1197#valid_product_returnLabel#1 main_#t~ret26#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret26#1;havoc main_#t~ret26#1; 1193#L537 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 1181#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1156#L306-2 [2023-11-26 10:42:33,364 INFO L750 eck$LassoCheckResult]: Loop: 1156#L306-2 assume !false; 1157#L307 assume test_~splverifierCounter~0#1 < 4; 1109#L308 havoc test_#t~nondet17#1;test_~tmp~3#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 1110#L316 assume !(0 != test_~tmp~3#1); 1121#L316-2 havoc test_#t~nondet18#1;test_~tmp___0~1#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 1132#L326 assume !(0 != test_~tmp___0~1#1); 1134#L326-2 havoc test_#t~nondet19#1;test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 1316#L336 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1296#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 1301#L344-2 assume { :begin_inline_timeShift } true; 1342#L107 assume !(0 != ~pumpRunning~0); 1339#L107-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1; 1282#L139 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1332#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 1104#L139-1 havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~0#1;assume { :end_inline_processEnvironment } true; 1105#L114-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret27#1, __utac_acc__Specification3_spec__1_#t~ret28#1, __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_~tmp~5#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~5#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; 1201#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret27#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~5#1 := __utac_acc__Specification3_spec__1_#t~ret27#1;havoc __utac_acc__Specification3_spec__1_#t~ret27#1; 1151#L569 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~5#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 1152#getWaterLevel_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret28#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~2#1 := __utac_acc__Specification3_spec__1_#t~ret28#1;havoc __utac_acc__Specification3_spec__1_#t~ret28#1; 1331#L575 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2#1); 1330#L575-1 havoc __utac_acc__Specification3_spec__1_#t~ret27#1, __utac_acc__Specification3_spec__1_#t~ret28#1, __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_~tmp~5#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1172#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1156#L306-2 [2023-11-26 10:42:33,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:33,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2023-11-26 10:42:33,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:33,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075303650] [2023-11-26 10:42:33,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:33,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:33,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:33,390 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:42:33,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:33,421 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:42:33,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:33,421 INFO L85 PathProgramCache]: Analyzing trace with hash 488560922, now seen corresponding path program 1 times [2023-11-26 10:42:33,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:33,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718373692] [2023-11-26 10:42:33,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:33,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:33,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:33,428 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:42:33,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:33,441 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:42:33,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:33,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1605403614, now seen corresponding path program 1 times [2023-11-26 10:42:33,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:33,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835311156] [2023-11-26 10:42:33,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:33,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:33,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:33,473 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:42:33,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:33,495 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:42:34,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:34,620 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:42:34,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:34,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 10:42:34 BoogieIcfgContainer [2023-11-26 10:42:34,675 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 10:42:34,676 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:42:34,676 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:42:34,676 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:42:34,677 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:42:31" (3/4) ... [2023-11-26 10:42:34,678 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-26 10:42:34,734 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42304d40-10a2-48f9-8098-58f9bbf63800/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 10:42:34,735 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:42:34,736 INFO L158 Benchmark]: Toolchain (without parser) took 4414.45ms. Allocated memory was 123.7MB in the beginning and 167.8MB in the end (delta: 44.0MB). Free memory was 77.8MB in the beginning and 66.1MB in the end (delta: 11.7MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB. [2023-11-26 10:42:34,736 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 96.5MB. Free memory is still 43.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:42:34,736 INFO L158 Benchmark]: CACSL2BoogieTranslator took 493.32ms. Allocated memory is still 123.7MB. Free memory was 77.8MB in the beginning and 58.4MB in the end (delta: 19.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-26 10:42:34,737 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.93ms. Allocated memory is still 123.7MB. Free memory was 58.4MB in the beginning and 55.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:42:34,737 INFO L158 Benchmark]: Boogie Preprocessor took 90.71ms. Allocated memory is still 123.7MB. Free memory was 55.6MB in the beginning and 52.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:42:34,738 INFO L158 Benchmark]: RCFGBuilder took 708.72ms. Allocated memory was 123.7MB in the beginning and 167.8MB in the end (delta: 44.0MB). Free memory was 52.7MB in the beginning and 128.7MB in the end (delta: -76.1MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2023-11-26 10:42:34,738 INFO L158 Benchmark]: BuchiAutomizer took 2969.75ms. Allocated memory is still 167.8MB. Free memory was 128.7MB in the beginning and 68.2MB in the end (delta: 60.6MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. [2023-11-26 10:42:34,739 INFO L158 Benchmark]: Witness Printer took 58.80ms. Allocated memory is still 167.8MB. Free memory was 68.2MB in the beginning and 66.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:42:34,741 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 96.5MB. Free memory is still 43.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 493.32ms. Allocated memory is still 123.7MB. Free memory was 77.8MB in the beginning and 58.4MB in the end (delta: 19.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.93ms. Allocated memory is still 123.7MB. Free memory was 58.4MB in the beginning and 55.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.71ms. Allocated memory is still 123.7MB. Free memory was 55.6MB in the beginning and 52.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 708.72ms. Allocated memory was 123.7MB in the beginning and 167.8MB in the end (delta: 44.0MB). Free memory was 52.7MB in the beginning and 128.7MB in the end (delta: -76.1MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 2969.75ms. Allocated memory is still 167.8MB. Free memory was 128.7MB in the beginning and 68.2MB in the end (delta: 60.6MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. * Witness Printer took 58.80ms. Allocated memory is still 167.8MB. Free memory was 68.2MB in the beginning and 66.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. 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,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [87] - GenericResultAtLocation [Line: 292]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [292] - GenericResultAtLocation [Line: 364]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [364] - GenericResultAtLocation [Line: 454]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [454] - GenericResultAtLocation [Line: 550]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [550] - GenericResultAtLocation [Line: 559]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [559] - GenericResultAtLocation [Line: 593]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [593] * 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 309 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 285 StatesRemovedByMinimization, 2 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, 1052 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1052 mSDsluCounter, 1659 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1330 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 93 IncrementalHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 329 mSDtfsCounter, 93 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: 306]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L99] int pumpRunning = 0; [L100] int systemActive = 1; [L366] int waterLevel = 1; [L367] int methaneLevelCritical = 0; [L455] int cleanupTimeShifts = 4; [L763] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L528] int retValue_acc ; [L529] int tmp ; [L533] FCALL select_helpers() [L534] FCALL select_features() [L535] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L535] RET, EXPR valid_product() [L535] tmp = valid_product() [L537] COND TRUE \read(tmp) [L539] FCALL setup() [L540] CALL runTest() [L522] CALL test() [L297] int splverifierCounter ; [L298] int tmp ; [L299] int tmp___0 ; [L300] int tmp___1 ; [L301] int tmp___2 ; [L304] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L306] COND TRUE 1 [L308] COND TRUE splverifierCounter < 4 [L314] tmp = __VERIFIER_nondet_int() [L316] COND FALSE !(\read(tmp)) [L324] tmp___0 = __VERIFIER_nondet_int() [L326] COND FALSE !(\read(tmp___0)) [L334] tmp___2 = __VERIFIER_nondet_int() [L336] COND TRUE \read(tmp___2) [L338] CALL startSystem() [L288] systemActive = 1 [L338] RET startSystem() [L353] CALL timeShift() [L107] COND FALSE !(\read(pumpRunning)) [L114] COND TRUE \read(systemActive) [L116] CALL processEnvironment() [L136] int tmp ; [L139] COND FALSE !(\read(pumpRunning)) [L154] FCALL processEnvironment__wrappee__base() [L116] RET processEnvironment() [L122] CALL __utac_acc__Specification3_spec__1() [L561] int tmp ; [L562] int tmp___0 ; [L563] int tmp___1 ; [L567] CALL, EXPR isMethaneLevelCritical() [L405] int retValue_acc ; [L408] retValue_acc = methaneLevelCritical [L409] return (retValue_acc); [L567] RET, EXPR isMethaneLevelCritical() [L567] tmp = isMethaneLevelCritical() [L569] COND FALSE !(\read(tmp)) [L573] CALL, EXPR getWaterLevel() [L437] int retValue_acc ; [L440] retValue_acc = waterLevel [L441] return (retValue_acc); [L573] RET, EXPR getWaterLevel() [L573] tmp___0 = getWaterLevel() [L575] COND FALSE !(tmp___0 == 2) [L122] RET __utac_acc__Specification3_spec__1() [L353] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 306]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L99] int pumpRunning = 0; [L100] int systemActive = 1; [L366] int waterLevel = 1; [L367] int methaneLevelCritical = 0; [L455] int cleanupTimeShifts = 4; [L763] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L528] int retValue_acc ; [L529] int tmp ; [L533] FCALL select_helpers() [L534] FCALL select_features() [L535] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L535] RET, EXPR valid_product() [L535] tmp = valid_product() [L537] COND TRUE \read(tmp) [L539] FCALL setup() [L540] CALL runTest() [L522] CALL test() [L297] int splverifierCounter ; [L298] int tmp ; [L299] int tmp___0 ; [L300] int tmp___1 ; [L301] int tmp___2 ; [L304] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L306] COND TRUE 1 [L308] COND TRUE splverifierCounter < 4 [L314] tmp = __VERIFIER_nondet_int() [L316] COND FALSE !(\read(tmp)) [L324] tmp___0 = __VERIFIER_nondet_int() [L326] COND FALSE !(\read(tmp___0)) [L334] tmp___2 = __VERIFIER_nondet_int() [L336] COND TRUE \read(tmp___2) [L338] CALL startSystem() [L288] systemActive = 1 [L338] RET startSystem() [L353] CALL timeShift() [L107] COND FALSE !(\read(pumpRunning)) [L114] COND TRUE \read(systemActive) [L116] CALL processEnvironment() [L136] int tmp ; [L139] COND FALSE !(\read(pumpRunning)) [L154] FCALL processEnvironment__wrappee__base() [L116] RET processEnvironment() [L122] CALL __utac_acc__Specification3_spec__1() [L561] int tmp ; [L562] int tmp___0 ; [L563] int tmp___1 ; [L567] CALL, EXPR isMethaneLevelCritical() [L405] int retValue_acc ; [L408] retValue_acc = methaneLevelCritical [L409] return (retValue_acc); [L567] RET, EXPR isMethaneLevelCritical() [L567] tmp = isMethaneLevelCritical() [L569] COND FALSE !(\read(tmp)) [L573] CALL, EXPR getWaterLevel() [L437] int retValue_acc ; [L440] retValue_acc = waterLevel [L441] return (retValue_acc); [L573] RET, EXPR getWaterLevel() [L573] tmp___0 = getWaterLevel() [L575] COND FALSE !(tmp___0 == 2) [L122] RET __utac_acc__Specification3_spec__1() [L353] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-26 10:42:34,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42304d40-10a2-48f9-8098-58f9bbf63800/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)