./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc 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_aaf9f3a8-4745-4f7a-a126-a01b2a1da484/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf9f3a8-4745-4f7a-a126-a01b2a1da484/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_aaf9f3a8-4745-4f7a-a126-a01b2a1da484/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf9f3a8-4745-4f7a-a126-a01b2a1da484/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf9f3a8-4745-4f7a-a126-a01b2a1da484/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_aaf9f3a8-4745-4f7a-a126-a01b2a1da484/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 df3faf2d1bbcaed92e1c2eddcb5ae1d2459730e99808e363d537a0bc5d54e347 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:02:21,812 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:02:21,913 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf9f3a8-4745-4f7a-a126-a01b2a1da484/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-26 12:02:21,919 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:02:21,920 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:02:21,947 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:02:21,948 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:02:21,948 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:02:21,949 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:02:21,950 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:02:21,951 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:02:21,951 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:02:21,952 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:02:21,952 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 12:02:21,953 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 12:02:21,953 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 12:02:21,954 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 12:02:21,954 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 12:02:21,955 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 12:02:21,955 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:02:21,956 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 12:02:21,958 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 12:02:21,959 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 12:02:21,959 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 12:02:21,960 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:02:21,960 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 12:02:21,960 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 12:02:21,961 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 12:02:21,961 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 12:02:21,962 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 12:02:21,963 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:02:21,963 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 12:02:21,964 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:02:21,964 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:02:21,964 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:02:21,965 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:02:21,965 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 12:02:21,965 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 12:02:21,966 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_aaf9f3a8-4745-4f7a-a126-a01b2a1da484/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf9f3a8-4745-4f7a-a126-a01b2a1da484/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df3faf2d1bbcaed92e1c2eddcb5ae1d2459730e99808e363d537a0bc5d54e347 [2023-11-26 12:02:22,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:02:22,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:02:22,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:02:22,336 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:02:22,336 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:02:22,338 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf9f3a8-4745-4f7a-a126-a01b2a1da484/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c [2023-11-26 12:02:25,582 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:02:25,969 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:02:25,973 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf9f3a8-4745-4f7a-a126-a01b2a1da484/sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c [2023-11-26 12:02:25,996 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf9f3a8-4745-4f7a-a126-a01b2a1da484/bin/uautomizer-verify-VRDe98Ueme/data/65c07d2c9/1e36630e75df4a19b1806901acacb9ba/FLAG2b1d317f5 [2023-11-26 12:02:26,018 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf9f3a8-4745-4f7a-a126-a01b2a1da484/bin/uautomizer-verify-VRDe98Ueme/data/65c07d2c9/1e36630e75df4a19b1806901acacb9ba [2023-11-26 12:02:26,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:02:26,030 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:02:26,032 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:02:26,032 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:02:26,038 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:02:26,039 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:02:26" (1/1) ... [2023-11-26 12:02:26,040 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d000219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:26, skipping insertion in model container [2023-11-26 12:02:26,040 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:02:26" (1/1) ... [2023-11-26 12:02:26,109 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:02:26,401 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:02:26,423 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:02:26,434 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2023-11-26 12:02:26,436 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [58] [2023-11-26 12:02:26,437 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [96] [2023-11-26 12:02:26,437 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [304] [2023-11-26 12:02:26,437 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [405] [2023-11-26 12:02:26,437 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [472] [2023-11-26 12:02:26,438 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [522] [2023-11-26 12:02:26,438 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [888] [2023-11-26 12:02:26,506 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:02:26,532 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:02:26,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:26 WrapperNode [2023-11-26 12:02:26,533 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:02:26,534 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:02:26,534 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:02:26,534 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:02:26,542 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:26" (1/1) ... [2023-11-26 12:02:26,574 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:26" (1/1) ... [2023-11-26 12:02:26,627 INFO L138 Inliner]: procedures = 56, calls = 103, calls flagged for inlining = 56, calls inlined = 89, statements flattened = 578 [2023-11-26 12:02:26,627 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:02:26,628 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:02:26,632 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:02:26,633 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:02:26,645 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:26" (1/1) ... [2023-11-26 12:02:26,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:26" (1/1) ... [2023-11-26 12:02:26,650 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:26" (1/1) ... [2023-11-26 12:02:26,669 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 12:02:26,670 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:26" (1/1) ... [2023-11-26 12:02:26,670 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:26" (1/1) ... [2023-11-26 12:02:26,681 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:26" (1/1) ... [2023-11-26 12:02:26,687 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:26" (1/1) ... [2023-11-26 12:02:26,693 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:26" (1/1) ... [2023-11-26 12:02:26,696 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:26" (1/1) ... [2023-11-26 12:02:26,700 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:02:26,701 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:02:26,702 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:02:26,702 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:02:26,703 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:26" (1/1) ... [2023-11-26 12:02:26,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:02:26,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf9f3a8-4745-4f7a-a126-a01b2a1da484/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:02:26,784 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf9f3a8-4745-4f7a-a126-a01b2a1da484/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:02:26,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf9f3a8-4745-4f7a-a126-a01b2a1da484/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 12:02:26,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:02:26,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 12:02:26,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:02:26,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:02:26,928 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:02:26,930 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:02:27,564 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:02:27,579 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:02:27,592 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-26 12:02:27,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:02:27 BoogieIcfgContainer [2023-11-26 12:02:27,594 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:02:27,596 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 12:02:27,598 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 12:02:27,602 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 12:02:27,603 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 12:02:27,604 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 12:02:26" (1/3) ... [2023-11-26 12:02:27,606 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7958b9ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 12:02:27, skipping insertion in model container [2023-11-26 12:02:27,606 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 12:02:27,606 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:26" (2/3) ... [2023-11-26 12:02:27,608 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7958b9ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 12:02:27, skipping insertion in model container [2023-11-26 12:02:27,609 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 12:02:27,609 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:02:27" (3/3) ... [2023-11-26 12:02:27,611 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product39.cil.c [2023-11-26 12:02:27,693 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 12:02:27,693 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 12:02:27,693 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 12:02:27,694 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 12:02:27,694 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 12:02:27,695 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 12:02:27,695 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 12:02:27,695 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 12:02:27,702 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 173 states, 172 states have (on average 1.3604651162790697) internal successors, (234), 172 states have internal predecessors, (234), 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 12:02:27,750 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 112 [2023-11-26 12:02:27,750 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:02:27,750 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:02:27,760 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:02:27,760 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:02:27,760 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 12:02:27,764 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 173 states, 172 states have (on average 1.3604651162790697) internal successors, (234), 172 states have internal predecessors, (234), 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 12:02:27,782 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 112 [2023-11-26 12:02:27,783 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:02:27,783 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:02:27,786 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:02:27,786 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:02:27,793 INFO L748 eck$LassoCheckResult]: Stem: 35#$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;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 50#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~5#1, main_~tmp~3#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 30#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 138#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; 116#valid_product_returnLabel#1true main_#t~ret17#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 58#L392true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 95#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; 157#__utac_acc__Specification5_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 143#L416-2true [2023-11-26 12:02:27,795 INFO L750 eck$LassoCheckResult]: Loop: 143#L416-2true assume !false; 49#L417true assume test_~splverifierCounter~0#1 < 4; 19#L418true havoc test_#t~nondet18#1;test_~tmp~4#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 151#L426true assume !(0 != test_~tmp~4#1); 37#L426-2true havoc test_#t~nondet19#1;test_~tmp___0~1#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 44#L436true assume !(0 != test_~tmp___0~1#1); 74#L436-2true havoc test_#t~nondet20#1;test_~tmp___2~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 139#L446true assume 0 != test_~tmp___2~0#1; 67#L452-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret22#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; 153#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret22#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret22#1;havoc __utac_acc__Specification5_spec__2_#t~ret22#1; 104#__utac_acc__Specification5_spec__2_returnLabel#1true havoc __utac_acc__Specification5_spec__2_#t~ret22#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 161#L119true assume !(0 != ~pumpRunning~0); 53#L119-2true assume !(0 != ~systemActive~0); 66#L126-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_#t~ret24#1, __utac_acc__Specification5_spec__3_~tmp~5#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~5#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 85#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret23#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~5#1 := __utac_acc__Specification5_spec__3_#t~ret23#1;havoc __utac_acc__Specification5_spec__3_#t~ret23#1; 61#L501true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~5#1); 133#L501-1true havoc __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_#t~ret24#1, __utac_acc__Specification5_spec__3_~tmp~5#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 86#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 143#L416-2true [2023-11-26 12:02:27,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:27,803 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2023-11-26 12:02:27,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:27,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576164806] [2023-11-26 12:02:27,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:27,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:27,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:02:27,959 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:02:27,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:02:28,021 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:02:28,025 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:28,025 INFO L85 PathProgramCache]: Analyzing trace with hash 648985326, now seen corresponding path program 1 times [2023-11-26 12:02:28,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:28,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571923529] [2023-11-26 12:02:28,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:28,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:28,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:02:28,053 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:02:28,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:02:28,063 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:02:28,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:28,077 INFO L85 PathProgramCache]: Analyzing trace with hash -690367081, now seen corresponding path program 1 times [2023-11-26 12:02:28,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:28,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007226042] [2023-11-26 12:02:28,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:28,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:28,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:28,372 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 12:02:28,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:28,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007226042] [2023-11-26 12:02:28,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007226042] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:28,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:28,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 12:02:28,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283435686] [2023-11-26 12:02:28,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:28,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:28,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 12:02:28,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:02:28,565 INFO L87 Difference]: Start difference. First operand has 173 states, 172 states have (on average 1.3604651162790697) internal successors, (234), 172 states have internal predecessors, (234), 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) [2023-11-26 12:02:28,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:02:28,810 INFO L93 Difference]: Finished difference Result 399 states and 522 transitions. [2023-11-26 12:02:28,812 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 399 states and 522 transitions. [2023-11-26 12:02:28,821 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 257 [2023-11-26 12:02:28,830 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 399 states to 369 states and 492 transitions. [2023-11-26 12:02:28,831 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 369 [2023-11-26 12:02:28,833 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 369 [2023-11-26 12:02:28,834 INFO L73 IsDeterministic]: Start isDeterministic. Operand 369 states and 492 transitions. [2023-11-26 12:02:28,837 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:28,837 INFO L218 hiAutomatonCegarLoop]: Abstraction has 369 states and 492 transitions. [2023-11-26 12:02:28,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states and 492 transitions. [2023-11-26 12:02:28,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 218. [2023-11-26 12:02:28,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 218 states have (on average 1.3302752293577982) internal successors, (290), 217 states have internal predecessors, (290), 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 12:02:28,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 290 transitions. [2023-11-26 12:02:28,883 INFO L240 hiAutomatonCegarLoop]: Abstraction has 218 states and 290 transitions. [2023-11-26 12:02:28,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 12:02:28,892 INFO L428 stractBuchiCegarLoop]: Abstraction has 218 states and 290 transitions. [2023-11-26 12:02:28,892 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 12:02:28,893 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 218 states and 290 transitions. [2023-11-26 12:02:28,895 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 152 [2023-11-26 12:02:28,895 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:02:28,895 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:02:28,896 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:02:28,897 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:02:28,897 INFO L748 eck$LassoCheckResult]: Stem: 644#$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;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 645#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~5#1, main_~tmp~3#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 637#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 638#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; 728#valid_product_returnLabel#1 main_#t~ret17#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 680#L392 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 681#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; 710#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 705#L416-2 [2023-11-26 12:02:28,897 INFO L750 eck$LassoCheckResult]: Loop: 705#L416-2 assume !false; 666#L417 assume test_~splverifierCounter~0#1 < 4; 619#L418 havoc test_#t~nondet18#1;test_~tmp~4#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 620#L426 assume !(0 != test_~tmp~4#1); 648#L426-2 havoc test_#t~nondet19#1;test_~tmp___0~1#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 649#L436 assume !(0 != test_~tmp___0~1#1); 660#L436-2 havoc test_#t~nondet20#1;test_~tmp___2~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 697#L446 assume 0 != test_~tmp___2~0#1; 690#L452-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret22#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; 691#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret22#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret22#1;havoc __utac_acc__Specification5_spec__2_#t~ret22#1; 717#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret22#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 718#L119 assume !(0 != ~pumpRunning~0); 670#L119-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret6#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 671#L177 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret5#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0#1; 635#L151-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 592#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 593#L151-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret5#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 650#L177-1 havoc processEnvironment_#t~ret6#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true; 688#L126-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_#t~ret24#1, __utac_acc__Specification5_spec__3_~tmp~5#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~5#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 689#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret23#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~5#1 := __utac_acc__Specification5_spec__3_#t~ret23#1;havoc __utac_acc__Specification5_spec__3_#t~ret23#1; 682#L501 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~5#1); 654#L501-1 havoc __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_#t~ret24#1, __utac_acc__Specification5_spec__3_~tmp~5#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 704#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 705#L416-2 [2023-11-26 12:02:28,898 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:28,898 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2023-11-26 12:02:28,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:28,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107221185] [2023-11-26 12:02:28,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:28,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:28,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:02:28,910 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:02:28,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:02:28,923 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:02:28,923 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:28,923 INFO L85 PathProgramCache]: Analyzing trace with hash 650605018, now seen corresponding path program 1 times [2023-11-26 12:02:28,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:28,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543967443] [2023-11-26 12:02:28,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:28,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:28,957 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 12:02:28,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:28,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543967443] [2023-11-26 12:02:28,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543967443] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:28,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:28,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:02:28,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944345458] [2023-11-26 12:02:28,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:28,960 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-26 12:02:28,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:28,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:28,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:28,962 INFO L87 Difference]: Start difference. First operand 218 states and 290 transitions. cyclomatic complexity: 75 Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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 12:02:29,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:02:29,055 INFO L93 Difference]: Finished difference Result 277 states and 353 transitions. [2023-11-26 12:02:29,055 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 277 states and 353 transitions. [2023-11-26 12:02:29,058 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 197 [2023-11-26 12:02:29,062 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 277 states to 277 states and 353 transitions. [2023-11-26 12:02:29,062 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 277 [2023-11-26 12:02:29,063 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 277 [2023-11-26 12:02:29,064 INFO L73 IsDeterministic]: Start isDeterministic. Operand 277 states and 353 transitions. [2023-11-26 12:02:29,072 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:29,073 INFO L218 hiAutomatonCegarLoop]: Abstraction has 277 states and 353 transitions. [2023-11-26 12:02:29,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states and 353 transitions. [2023-11-26 12:02:29,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2023-11-26 12:02:29,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 277 states have (on average 1.2743682310469313) internal successors, (353), 276 states have internal predecessors, (353), 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 12:02:29,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 353 transitions. [2023-11-26 12:02:29,099 INFO L240 hiAutomatonCegarLoop]: Abstraction has 277 states and 353 transitions. [2023-11-26 12:02:29,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:02:29,106 INFO L428 stractBuchiCegarLoop]: Abstraction has 277 states and 353 transitions. [2023-11-26 12:02:29,107 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-26 12:02:29,107 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 277 states and 353 transitions. [2023-11-26 12:02:29,110 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 197 [2023-11-26 12:02:29,110 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:02:29,111 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:02:29,112 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:02:29,112 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:02:29,113 INFO L748 eck$LassoCheckResult]: Stem: 1145#$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;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1146#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~5#1, main_~tmp~3#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 1137#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1138#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; 1241#valid_product_returnLabel#1 main_#t~ret17#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 1183#L392 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 1184#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; 1214#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1265#L416-2 [2023-11-26 12:02:29,113 INFO L750 eck$LassoCheckResult]: Loop: 1265#L416-2 assume !false; 1348#L417 assume test_~splverifierCounter~0#1 < 4; 1349#L418 havoc test_#t~nondet18#1;test_~tmp~4#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 1261#L426 assume !(0 != test_~tmp~4#1); 1149#L426-2 havoc test_#t~nondet19#1;test_~tmp___0~1#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 1150#L436 assume !(0 != test_~tmp___0~1#1); 1162#L436-2 havoc test_#t~nondet20#1;test_~tmp___2~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 1199#L446 assume 0 != test_~tmp___2~0#1; 1192#L452-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret22#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; 1193#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret22#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret22#1;havoc __utac_acc__Specification5_spec__2_#t~ret22#1; 1225#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret22#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1226#L119 assume !(0 != ~pumpRunning~0); 1173#L119-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret6#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 1174#L177 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret5#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0#1; 1135#L151-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret16#1, isHighWaterLevel_~retValue_acc~4#1, isHighWaterLevel_~tmp~2#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~4#1;havoc isHighWaterLevel_~tmp~2#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1; 1136#L972-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; 1167#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret16#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~2#1 := isHighWaterLevel_#t~ret16#1;havoc isHighWaterLevel_#t~ret16#1; 1168#L279-3 assume 0 != isHighWaterLevel_~tmp~2#1;isHighWaterLevel_~tmp___0~0#1 := 0; 1196#L279-5 isHighWaterLevel_~retValue_acc~4#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~4#1; 1250#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret5#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret16#1, isHighWaterLevel_~retValue_acc~4#1, isHighWaterLevel_~tmp~2#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~0#1 := processEnvironment__wrappee__highWaterSensor_#t~ret5#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret5#1; 1114#L155-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1116#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 1160#L151-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret5#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1151#L177-1 havoc processEnvironment_#t~ret6#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true; 1190#L126-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_#t~ret24#1, __utac_acc__Specification5_spec__3_~tmp~5#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~5#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 1191#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret23#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~5#1 := __utac_acc__Specification5_spec__3_#t~ret23#1;havoc __utac_acc__Specification5_spec__3_#t~ret23#1; 1207#L501 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~5#1); 1351#L501-1 havoc __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_#t~ret24#1, __utac_acc__Specification5_spec__3_~tmp~5#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1350#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1265#L416-2 [2023-11-26 12:02:29,114 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:29,114 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2023-11-26 12:02:29,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:29,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451744656] [2023-11-26 12:02:29,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:29,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:29,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:02:29,130 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:02:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:02:29,155 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:02:29,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:29,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1531147986, now seen corresponding path program 1 times [2023-11-26 12:02:29,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:29,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941054704] [2023-11-26 12:02:29,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:29,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:29,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:29,259 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 12:02:29,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:29,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941054704] [2023-11-26 12:02:29,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941054704] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:29,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:29,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 12:02:29,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313704931] [2023-11-26 12:02:29,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:29,262 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-26 12:02:29,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:29,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 12:02:29,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:02:29,263 INFO L87 Difference]: Start difference. First operand 277 states and 353 transitions. cyclomatic complexity: 79 Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 12:02:29,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:02:29,449 INFO L93 Difference]: Finished difference Result 758 states and 945 transitions. [2023-11-26 12:02:29,450 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 758 states and 945 transitions. [2023-11-26 12:02:29,459 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 505 [2023-11-26 12:02:29,466 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 758 states to 758 states and 945 transitions. [2023-11-26 12:02:29,467 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 758 [2023-11-26 12:02:29,468 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 758 [2023-11-26 12:02:29,468 INFO L73 IsDeterministic]: Start isDeterministic. Operand 758 states and 945 transitions. [2023-11-26 12:02:29,470 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:29,470 INFO L218 hiAutomatonCegarLoop]: Abstraction has 758 states and 945 transitions. [2023-11-26 12:02:29,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states and 945 transitions. [2023-11-26 12:02:29,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 543. [2023-11-26 12:02:29,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 543 states have (on average 1.2467771639042358) internal successors, (677), 542 states have internal predecessors, (677), 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 12:02:29,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 677 transitions. [2023-11-26 12:02:29,511 INFO L240 hiAutomatonCegarLoop]: Abstraction has 543 states and 677 transitions. [2023-11-26 12:02:29,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 12:02:29,512 INFO L428 stractBuchiCegarLoop]: Abstraction has 543 states and 677 transitions. [2023-11-26 12:02:29,513 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-26 12:02:29,513 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 543 states and 677 transitions. [2023-11-26 12:02:29,517 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 391 [2023-11-26 12:02:29,518 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:02:29,518 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:02:29,519 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:02:29,519 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:02:29,520 INFO L748 eck$LassoCheckResult]: Stem: 2193#$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;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 2194#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~5#1, main_~tmp~3#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 2185#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2186#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; 2292#valid_product_returnLabel#1 main_#t~ret17#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 2232#L392 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 2233#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; 2267#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 2260#L416-2 [2023-11-26 12:02:29,520 INFO L750 eck$LassoCheckResult]: Loop: 2260#L416-2 assume !false; 2218#L417 assume test_~splverifierCounter~0#1 < 4; 2167#L418 havoc test_#t~nondet18#1;test_~tmp~4#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 2168#L426 assume !(0 != test_~tmp~4#1); 2197#L426-2 havoc test_#t~nondet19#1;test_~tmp___0~1#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 2198#L436 assume !(0 != test_~tmp___0~1#1); 2211#L436-2 havoc test_#t~nondet20#1;test_~tmp___2~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 2249#L446 assume 0 != test_~tmp___2~0#1; 2652#L452-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret22#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; 2649#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret22#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret22#1;havoc __utac_acc__Specification5_spec__2_#t~ret22#1; 2646#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret22#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 2644#L119 assume !(0 != ~pumpRunning~0); 2224#L119-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret6#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 2225#L177 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret5#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0#1; 2183#L151-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret16#1, isHighWaterLevel_~retValue_acc~4#1, isHighWaterLevel_~tmp~2#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~4#1;havoc isHighWaterLevel_~tmp~2#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1; 2184#L972-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; 2216#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret16#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~2#1 := isHighWaterLevel_#t~ret16#1;havoc isHighWaterLevel_#t~ret16#1; 2217#L279-3 assume 0 != isHighWaterLevel_~tmp~2#1;isHighWaterLevel_~tmp___0~0#1 := 0; 2246#L279-5 isHighWaterLevel_~retValue_acc~4#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~4#1; 2300#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret5#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret16#1, isHighWaterLevel_~retValue_acc~4#1, isHighWaterLevel_~tmp~2#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~0#1 := processEnvironment__wrappee__highWaterSensor_#t~ret5#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret5#1; 2162#L155-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 2164#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 2624#L151-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret5#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 2251#L177-1 havoc processEnvironment_#t~ret6#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true; 2252#L126-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_#t~ret24#1, __utac_acc__Specification5_spec__3_~tmp~5#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~5#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 2641#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret23#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~5#1 := __utac_acc__Specification5_spec__3_#t~ret23#1;havoc __utac_acc__Specification5_spec__3_#t~ret23#1; 2640#L501 assume 2 != __utac_acc__Specification5_spec__3_~tmp~5#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; 2639#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret24#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2#1 := __utac_acc__Specification5_spec__3_#t~ret24#1;havoc __utac_acc__Specification5_spec__3_#t~ret24#1; 2200#L505 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2#1); 2201#L501-1 havoc __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_#t~ret24#1, __utac_acc__Specification5_spec__3_~tmp~5#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 2259#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 2260#L416-2 [2023-11-26 12:02:29,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:29,521 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2023-11-26 12:02:29,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:29,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203714361] [2023-11-26 12:02:29,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:29,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:29,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:02:29,540 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:02:29,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:02:29,565 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:02:29,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:29,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1761570899, now seen corresponding path program 1 times [2023-11-26 12:02:29,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:29,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104756204] [2023-11-26 12:02:29,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:29,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:29,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:02:29,588 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:02:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:02:29,599 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:02:29,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:29,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1721356196, now seen corresponding path program 1 times [2023-11-26 12:02:29,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:29,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935932056] [2023-11-26 12:02:29,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:29,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:02:29,637 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:02:29,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:02:29,666 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:02:31,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:02:31,011 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:02:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:02:31,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 12:02:31 BoogieIcfgContainer [2023-11-26 12:02:31,083 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 12:02:31,084 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 12:02:31,084 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 12:02:31,084 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 12:02:31,085 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:02:27" (3/4) ... [2023-11-26 12:02:31,086 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-26 12:02:31,150 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf9f3a8-4745-4f7a-a126-a01b2a1da484/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 12:02:31,151 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 12:02:31,151 INFO L158 Benchmark]: Toolchain (without parser) took 5121.51ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 88.4MB in the beginning and 80.3MB in the end (delta: 8.1MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. [2023-11-26 12:02:31,152 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 134.2MB. Free memory was 109.8MB in the beginning and 109.7MB in the end (delta: 91.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:02:31,153 INFO L158 Benchmark]: CACSL2BoogieTranslator took 501.20ms. Allocated memory is still 134.2MB. Free memory was 88.2MB in the beginning and 69.0MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-26 12:02:31,153 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.42ms. Allocated memory is still 134.2MB. Free memory was 68.9MB in the beginning and 65.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 12:02:31,154 INFO L158 Benchmark]: Boogie Preprocessor took 72.66ms. Allocated memory is still 134.2MB. Free memory was 65.6MB in the beginning and 62.2MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 12:02:31,154 INFO L158 Benchmark]: RCFGBuilder took 893.13ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 62.1MB in the beginning and 117.7MB in the end (delta: -55.6MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2023-11-26 12:02:31,155 INFO L158 Benchmark]: BuchiAutomizer took 3487.40ms. Allocated memory is still 167.8MB. Free memory was 117.7MB in the beginning and 83.4MB in the end (delta: 34.2MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2023-11-26 12:02:31,155 INFO L158 Benchmark]: Witness Printer took 67.17ms. Allocated memory is still 167.8MB. Free memory was 83.4MB in the beginning and 80.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 12:02:31,158 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 134.2MB. Free memory was 109.8MB in the beginning and 109.7MB in the end (delta: 91.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 501.20ms. Allocated memory is still 134.2MB. Free memory was 88.2MB in the beginning and 69.0MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.42ms. Allocated memory is still 134.2MB. Free memory was 68.9MB in the beginning and 65.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.66ms. Allocated memory is still 134.2MB. Free memory was 65.6MB in the beginning and 62.2MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 893.13ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 62.1MB in the beginning and 117.7MB in the end (delta: -55.6MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 3487.40ms. Allocated memory is still 167.8MB. Free memory was 117.7MB in the beginning and 83.4MB in the end (delta: 34.2MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. * Witness Printer took 67.17ms. Allocated memory is still 167.8MB. Free memory was 83.4MB in the beginning and 80.3MB in the end (delta: 3.1MB). 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,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [58] - GenericResultAtLocation [Line: 96]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [96] - GenericResultAtLocation [Line: 304]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [304] - GenericResultAtLocation [Line: 405]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [405] - GenericResultAtLocation [Line: 472]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [472] - GenericResultAtLocation [Line: 522]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [522] - GenericResultAtLocation [Line: 888]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [888] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 543 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.3s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. Construction of modules took 0.2s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 366 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, 1448 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1448 mSDsluCounter, 2534 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1808 mSDsCounter, 60 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 178 IncrementalHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 60 mSolverCounterUnsat, 726 mSDtfsCounter, 178 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 416]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L107] int pumpRunning = 0; [L108] int systemActive = 1; [L305] int cleanupTimeShifts = 4; [L474] int switchedOnBeforeTS ; [L692] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L889] int waterLevel = 1; [L890] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L383] int retValue_acc ; [L384] int tmp ; [L388] FCALL select_helpers() [L389] FCALL select_features() [L390] CALL, EXPR valid_product() [L88] int retValue_acc ; [L91] retValue_acc = 1 [L92] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L390] RET, EXPR valid_product() [L390] tmp = valid_product() [L392] COND TRUE \read(tmp) [L394] FCALL setup() [L395] CALL runTest() [L376] CALL __utac_acc__Specification5_spec__1() [L479] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L376] RET __utac_acc__Specification5_spec__1() [L377] CALL test() [L407] int splverifierCounter ; [L408] int tmp ; [L409] int tmp___0 ; [L410] int tmp___1 ; [L411] int tmp___2 ; [L414] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L416] COND TRUE 1 [L418] COND TRUE splverifierCounter < 4 [L424] tmp = __VERIFIER_nondet_int() [L426] COND FALSE !(\read(tmp)) [L434] tmp___0 = __VERIFIER_nondet_int() [L436] COND FALSE !(\read(tmp___0)) [L444] tmp___2 = __VERIFIER_nondet_int() [L446] COND TRUE \read(tmp___2) [L461] CALL timeShift() [L117] CALL __utac_acc__Specification5_spec__2() [L488] CALL, EXPR isPumpRunning() [L226] int retValue_acc ; [L229] retValue_acc = pumpRunning [L230] return (retValue_acc); [L488] RET, EXPR isPumpRunning() [L488] switchedOnBeforeTS = isPumpRunning() [L117] RET __utac_acc__Specification5_spec__2() [L119] COND FALSE !(\read(pumpRunning)) [L126] COND TRUE \read(systemActive) [L128] CALL processEnvironment() [L174] int tmp ; [L177] COND FALSE !(\read(pumpRunning)) [L192] CALL processEnvironment__wrappee__highWaterSensor() [L148] int tmp ; [L151] COND TRUE ! pumpRunning [L153] CALL, EXPR isHighWaterLevel() [L271] int retValue_acc ; [L272] int tmp ; [L273] int tmp___0 ; [L277] CALL, EXPR isHighWaterSensorDry() [L969] int retValue_acc ; [L972] COND TRUE waterLevel < 2 [L973] retValue_acc = 1 [L974] return (retValue_acc); [L277] RET, EXPR isHighWaterSensorDry() [L277] tmp = isHighWaterSensorDry() [L279] COND TRUE \read(tmp) [L280] tmp___0 = 0 [L284] retValue_acc = tmp___0 [L285] return (retValue_acc); [L153] RET, EXPR isHighWaterLevel() [L153] tmp = isHighWaterLevel() [L155] COND FALSE !(\read(tmp)) [L161] FCALL processEnvironment__wrappee__base() [L192] RET processEnvironment__wrappee__highWaterSensor() [L128] RET processEnvironment() [L134] CALL __utac_acc__Specification5_spec__3() [L494] int tmp ; [L495] int tmp___0 ; [L499] CALL, EXPR getWaterLevel() [L960] int retValue_acc ; [L963] retValue_acc = waterLevel [L964] return (retValue_acc); [L499] RET, EXPR getWaterLevel() [L499] tmp = getWaterLevel() [L501] COND TRUE tmp != 2 [L503] CALL, EXPR isPumpRunning() [L226] int retValue_acc ; [L229] retValue_acc = pumpRunning [L230] return (retValue_acc); [L503] RET, EXPR isPumpRunning() [L503] tmp___0 = isPumpRunning() [L505] COND FALSE !(\read(tmp___0)) [L134] RET __utac_acc__Specification5_spec__3() [L461] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 416]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L107] int pumpRunning = 0; [L108] int systemActive = 1; [L305] int cleanupTimeShifts = 4; [L474] int switchedOnBeforeTS ; [L692] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L889] int waterLevel = 1; [L890] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L383] int retValue_acc ; [L384] int tmp ; [L388] FCALL select_helpers() [L389] FCALL select_features() [L390] CALL, EXPR valid_product() [L88] int retValue_acc ; [L91] retValue_acc = 1 [L92] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L390] RET, EXPR valid_product() [L390] tmp = valid_product() [L392] COND TRUE \read(tmp) [L394] FCALL setup() [L395] CALL runTest() [L376] CALL __utac_acc__Specification5_spec__1() [L479] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L376] RET __utac_acc__Specification5_spec__1() [L377] CALL test() [L407] int splverifierCounter ; [L408] int tmp ; [L409] int tmp___0 ; [L410] int tmp___1 ; [L411] int tmp___2 ; [L414] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L416] COND TRUE 1 [L418] COND TRUE splverifierCounter < 4 [L424] tmp = __VERIFIER_nondet_int() [L426] COND FALSE !(\read(tmp)) [L434] tmp___0 = __VERIFIER_nondet_int() [L436] COND FALSE !(\read(tmp___0)) [L444] tmp___2 = __VERIFIER_nondet_int() [L446] COND TRUE \read(tmp___2) [L461] CALL timeShift() [L117] CALL __utac_acc__Specification5_spec__2() [L488] CALL, EXPR isPumpRunning() [L226] int retValue_acc ; [L229] retValue_acc = pumpRunning [L230] return (retValue_acc); [L488] RET, EXPR isPumpRunning() [L488] switchedOnBeforeTS = isPumpRunning() [L117] RET __utac_acc__Specification5_spec__2() [L119] COND FALSE !(\read(pumpRunning)) [L126] COND TRUE \read(systemActive) [L128] CALL processEnvironment() [L174] int tmp ; [L177] COND FALSE !(\read(pumpRunning)) [L192] CALL processEnvironment__wrappee__highWaterSensor() [L148] int tmp ; [L151] COND TRUE ! pumpRunning [L153] CALL, EXPR isHighWaterLevel() [L271] int retValue_acc ; [L272] int tmp ; [L273] int tmp___0 ; [L277] CALL, EXPR isHighWaterSensorDry() [L969] int retValue_acc ; [L972] COND TRUE waterLevel < 2 [L973] retValue_acc = 1 [L974] return (retValue_acc); [L277] RET, EXPR isHighWaterSensorDry() [L277] tmp = isHighWaterSensorDry() [L279] COND TRUE \read(tmp) [L280] tmp___0 = 0 [L284] retValue_acc = tmp___0 [L285] return (retValue_acc); [L153] RET, EXPR isHighWaterLevel() [L153] tmp = isHighWaterLevel() [L155] COND FALSE !(\read(tmp)) [L161] FCALL processEnvironment__wrappee__base() [L192] RET processEnvironment__wrappee__highWaterSensor() [L128] RET processEnvironment() [L134] CALL __utac_acc__Specification5_spec__3() [L494] int tmp ; [L495] int tmp___0 ; [L499] CALL, EXPR getWaterLevel() [L960] int retValue_acc ; [L963] retValue_acc = waterLevel [L964] return (retValue_acc); [L499] RET, EXPR getWaterLevel() [L499] tmp = getWaterLevel() [L501] COND TRUE tmp != 2 [L503] CALL, EXPR isPumpRunning() [L226] int retValue_acc ; [L229] retValue_acc = pumpRunning [L230] return (retValue_acc); [L503] RET, EXPR isPumpRunning() [L503] tmp___0 = isPumpRunning() [L505] COND FALSE !(\read(tmp___0)) [L134] RET __utac_acc__Specification5_spec__3() [L461] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-26 12:02:31,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf9f3a8-4745-4f7a-a126-a01b2a1da484/bin/uautomizer-verify-VRDe98Ueme/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)