./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product35.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ee9d63-4eb5-4196-bf80-172b5f1885f0/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ee9d63-4eb5-4196-bf80-172b5f1885f0/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_43ee9d63-4eb5-4196-bf80-172b5f1885f0/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ee9d63-4eb5-4196-bf80-172b5f1885f0/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product35.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ee9d63-4eb5-4196-bf80-172b5f1885f0/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_43ee9d63-4eb5-4196-bf80-172b5f1885f0/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 34d4dbed37590326da938d00ced1aba27649a4f6be46ad5130f0beeedcfaf5dd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:54:50,745 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:54:50,861 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ee9d63-4eb5-4196-bf80-172b5f1885f0/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-26 11:54:50,869 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:54:50,870 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:54:50,912 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:54:50,912 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:54:50,913 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:54:50,914 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:54:50,919 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:54:50,920 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:54:50,921 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:54:50,921 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:54:50,923 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 11:54:50,924 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 11:54:50,924 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 11:54:50,925 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 11:54:50,925 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 11:54:50,925 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 11:54:50,926 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:54:50,926 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 11:54:50,927 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:54:50,927 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:54:50,928 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:54:50,928 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:54:50,928 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 11:54:50,929 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 11:54:50,929 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 11:54:50,930 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:54:50,930 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:54:50,931 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:54:50,931 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 11:54:50,932 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:54:50,932 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:54:50,932 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:54:50,932 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:54:50,933 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:54:50,933 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 11:54:50,934 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_43ee9d63-4eb5-4196-bf80-172b5f1885f0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ee9d63-4eb5-4196-bf80-172b5f1885f0/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34d4dbed37590326da938d00ced1aba27649a4f6be46ad5130f0beeedcfaf5dd [2023-11-26 11:54:51,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:54:51,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:54:51,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:54:51,317 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:54:51,317 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:54:51,319 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ee9d63-4eb5-4196-bf80-172b5f1885f0/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/product-lines/minepump_spec2_product35.cil.c [2023-11-26 11:54:54,368 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:54:54,667 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:54:54,668 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ee9d63-4eb5-4196-bf80-172b5f1885f0/sv-benchmarks/c/product-lines/minepump_spec2_product35.cil.c [2023-11-26 11:54:54,683 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ee9d63-4eb5-4196-bf80-172b5f1885f0/bin/uautomizer-verify-VRDe98Ueme/data/f2defcc79/d0ea0139165044849fa1468a7e41a094/FLAG0bff73aff [2023-11-26 11:54:54,698 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ee9d63-4eb5-4196-bf80-172b5f1885f0/bin/uautomizer-verify-VRDe98Ueme/data/f2defcc79/d0ea0139165044849fa1468a7e41a094 [2023-11-26 11:54:54,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:54:54,702 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:54:54,703 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:54:54,703 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:54:54,709 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:54:54,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:54:54" (1/1) ... [2023-11-26 11:54:54,711 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ba41089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:54, skipping insertion in model container [2023-11-26 11:54:54,711 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:54:54" (1/1) ... [2023-11-26 11:54:54,770 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:54:55,049 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:54:55,076 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:54:55,087 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2023-11-26 11:54:55,089 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [415] [2023-11-26 11:54:55,089 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [593] [2023-11-26 11:54:55,089 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [663] [2023-11-26 11:54:55,089 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [703] [2023-11-26 11:54:55,090 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [741] [2023-11-26 11:54:55,090 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [750] [2023-11-26 11:54:55,090 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [847] [2023-11-26 11:54:55,206 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:54:55,235 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:54:55,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:55 WrapperNode [2023-11-26 11:54:55,236 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:54:55,238 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:54:55,239 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:54:55,239 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:54:55,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:55" (1/1) ... [2023-11-26 11:54:55,275 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:55" (1/1) ... [2023-11-26 11:54:55,324 INFO L138 Inliner]: procedures = 54, calls = 97, calls flagged for inlining = 50, calls inlined = 53, statements flattened = 362 [2023-11-26 11:54:55,325 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:54:55,326 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:54:55,326 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:54:55,326 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:54:55,338 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:55" (1/1) ... [2023-11-26 11:54:55,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:55" (1/1) ... [2023-11-26 11:54:55,352 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:55" (1/1) ... [2023-11-26 11:54:55,368 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 11:54:55,369 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:55" (1/1) ... [2023-11-26 11:54:55,369 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:55" (1/1) ... [2023-11-26 11:54:55,376 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:55" (1/1) ... [2023-11-26 11:54:55,381 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:55" (1/1) ... [2023-11-26 11:54:55,383 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:55" (1/1) ... [2023-11-26 11:54:55,385 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:55" (1/1) ... [2023-11-26 11:54:55,389 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:54:55,390 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:54:55,390 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:54:55,390 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:54:55,391 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:55" (1/1) ... [2023-11-26 11:54:55,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:54:55,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ee9d63-4eb5-4196-bf80-172b5f1885f0/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:55,435 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ee9d63-4eb5-4196-bf80-172b5f1885f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:55,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ee9d63-4eb5-4196-bf80-172b5f1885f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 11:54:55,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:54:55,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:54:55,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:54:55,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:54:55,546 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:54:55,549 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:54:55,936 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:54:55,977 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:54:55,977 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-26 11:54:55,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:54:55 BoogieIcfgContainer [2023-11-26 11:54:55,979 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:54:55,980 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 11:54:55,983 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 11:54:55,987 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 11:54:55,987 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:54:55,988 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 11:54:54" (1/3) ... [2023-11-26 11:54:55,990 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b0791d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:54:55, skipping insertion in model container [2023-11-26 11:54:55,990 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:54:55,990 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:55" (2/3) ... [2023-11-26 11:54:55,993 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b0791d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:54:55, skipping insertion in model container [2023-11-26 11:54:55,993 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:54:55,993 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:54:55" (3/3) ... [2023-11-26 11:54:55,994 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product35.cil.c [2023-11-26 11:54:56,053 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 11:54:56,053 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 11:54:56,054 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 11:54:56,054 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 11:54:56,054 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 11:54:56,054 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 11:54:56,054 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 11:54:56,055 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 11:54:56,060 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 116 states, 115 states have (on average 1.382608695652174) internal successors, (159), 115 states have internal predecessors, (159), 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 11:54:56,086 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 74 [2023-11-26 11:54:56,087 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:54:56,087 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:54:56,095 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:54:56,095 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:54:56,095 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 11:54:56,096 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 116 states, 115 states have (on average 1.382608695652174) internal successors, (159), 115 states have internal predecessors, (159), 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 11:54:56,104 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 74 [2023-11-26 11:54:56,104 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:54:56,104 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:54:56,105 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:54:56,105 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:54:56,111 INFO L748 eck$LassoCheckResult]: Stem: 25#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 33#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret45#1, main_~retValue_acc~8#1, main_~tmp~7#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 20#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 93#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 78#valid_product_returnLabel#1true main_#t~ret45#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret45#1;havoc main_#t~ret45#1; 99#L834true assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 55#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 92#__utac_acc__Specification2_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 42#L607-2true [2023-11-26 11:54:56,112 INFO L750 eck$LassoCheckResult]: Loop: 42#L607-2true assume !false; 56#L608true assume test_~splverifierCounter~0#1 < 4; 67#L609true havoc test_#t~nondet38#1;test_~tmp~5#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 50#L617true assume !(0 != test_~tmp~5#1); 102#L617-2true havoc test_#t~nondet39#1;test_~tmp___0~1#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 39#L627true assume !(0 != test_~tmp___0~1#1); 45#L627-2true havoc test_#t~nondet40#1;test_~tmp___2~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 89#L637true assume 0 != test_~tmp___2~0#1; 98#L643-2true assume { :begin_inline_timeShift } true; 16#L434true assume !(0 != ~pumpRunning~0); 43#L434-2true assume !(0 != ~systemActive~0); 108#L441-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret42#1, __utac_acc__Specification2_spec__2_#t~ret43#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~6#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 105#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification2_spec__2_#t~ret42#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6#1 := __utac_acc__Specification2_spec__2_#t~ret42#1;havoc __utac_acc__Specification2_spec__2_#t~ret42#1; 59#L682true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6#1);~methAndRunningLastTime~0 := 0; 22#L682-1true havoc __utac_acc__Specification2_spec__2_#t~ret42#1, __utac_acc__Specification2_spec__2_#t~ret43#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 47#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 42#L607-2true [2023-11-26 11:54:56,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:56,119 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2023-11-26 11:54:56,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:56,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214987388] [2023-11-26 11:54:56,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:56,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:56,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:56,236 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:54:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:56,278 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:54:56,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:56,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1180341196, now seen corresponding path program 1 times [2023-11-26 11:54:56,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:56,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453054397] [2023-11-26 11:54:56,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:56,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:56,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:56,310 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:54:56,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:56,329 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:54:56,330 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:56,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1018053813, now seen corresponding path program 1 times [2023-11-26 11:54:56,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:56,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749835580] [2023-11-26 11:54:56,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:56,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:56,610 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 11:54:56,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:56,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749835580] [2023-11-26 11:54:56,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749835580] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:56,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:56,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:54:56,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622304329] [2023-11-26 11:54:56,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:56,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:56,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:54:56,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:54:56,786 INFO L87 Difference]: Start difference. First operand has 116 states, 115 states have (on average 1.382608695652174) internal successors, (159), 115 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:56,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:56,981 INFO L93 Difference]: Finished difference Result 279 states and 366 transitions. [2023-11-26 11:54:56,985 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 279 states and 366 transitions. [2023-11-26 11:54:57,002 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 177 [2023-11-26 11:54:57,012 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 279 states to 249 states and 336 transitions. [2023-11-26 11:54:57,015 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 249 [2023-11-26 11:54:57,019 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 249 [2023-11-26 11:54:57,020 INFO L73 IsDeterministic]: Start isDeterministic. Operand 249 states and 336 transitions. [2023-11-26 11:54:57,023 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:54:57,023 INFO L218 hiAutomatonCegarLoop]: Abstraction has 249 states and 336 transitions. [2023-11-26 11:54:57,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states and 336 transitions. [2023-11-26 11:54:57,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 155. [2023-11-26 11:54:57,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 155 states have (on average 1.3483870967741935) internal successors, (209), 154 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:57,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 209 transitions. [2023-11-26 11:54:57,067 INFO L240 hiAutomatonCegarLoop]: Abstraction has 155 states and 209 transitions. [2023-11-26 11:54:57,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:54:57,072 INFO L428 stractBuchiCegarLoop]: Abstraction has 155 states and 209 transitions. [2023-11-26 11:54:57,072 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 11:54:57,072 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 155 states and 209 transitions. [2023-11-26 11:54:57,074 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 110 [2023-11-26 11:54:57,075 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:54:57,075 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:54:57,076 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:54:57,076 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:54:57,076 INFO L748 eck$LassoCheckResult]: Stem: 450#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 451#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret45#1, main_~retValue_acc~8#1, main_~tmp~7#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 443#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 444#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~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 505#valid_product_returnLabel#1 main_#t~ret45#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret45#1;havoc main_#t~ret45#1; 506#L834 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 483#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 484#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 472#L607-2 [2023-11-26 11:54:57,076 INFO L750 eck$LassoCheckResult]: Loop: 472#L607-2 assume !false; 473#L608 assume test_~splverifierCounter~0#1 < 4; 485#L609 havoc test_#t~nondet38#1;test_~tmp~5#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 480#L617 assume !(0 != test_~tmp~5#1); 459#L617-2 havoc test_#t~nondet39#1;test_~tmp___0~1#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 467#L627 assume !(0 != test_~tmp___0~1#1); 469#L627-2 havoc test_#t~nondet40#1;test_~tmp___2~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 477#L637 assume 0 != test_~tmp___2~0#1; 456#L643-2 assume { :begin_inline_timeShift } true; 434#L434 assume !(0 != ~pumpRunning~0); 435#L434-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret27#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 474#L466 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 492#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 416#L466-1 havoc processEnvironment_#t~ret27#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true; 490#L441-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret42#1, __utac_acc__Specification2_spec__2_#t~ret43#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~6#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 513#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification2_spec__2_#t~ret42#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6#1 := __utac_acc__Specification2_spec__2_#t~ret42#1;havoc __utac_acc__Specification2_spec__2_#t~ret42#1; 488#L682 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6#1);~methAndRunningLastTime~0 := 0; 445#L682-1 havoc __utac_acc__Specification2_spec__2_#t~ret42#1, __utac_acc__Specification2_spec__2_#t~ret43#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 446#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 472#L607-2 [2023-11-26 11:54:57,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:57,077 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2023-11-26 11:54:57,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:57,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982079441] [2023-11-26 11:54:57,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:57,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:57,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:57,091 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:54:57,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:57,104 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:54:57,105 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:57,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1792153048, now seen corresponding path program 1 times [2023-11-26 11:54:57,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:57,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594423066] [2023-11-26 11:54:57,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:57,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:57,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:57,132 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 11:54:57,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:57,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594423066] [2023-11-26 11:54:57,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594423066] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:57,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:57,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:54:57,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957316133] [2023-11-26 11:54:57,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:57,135 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-26 11:54:57,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:57,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:54:57,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:54:57,136 INFO L87 Difference]: Start difference. First operand 155 states and 209 transitions. cyclomatic complexity: 57 Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:57,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:57,189 INFO L93 Difference]: Finished difference Result 205 states and 266 transitions. [2023-11-26 11:54:57,189 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 205 states and 266 transitions. [2023-11-26 11:54:57,192 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 149 [2023-11-26 11:54:57,195 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 205 states to 205 states and 266 transitions. [2023-11-26 11:54:57,195 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 205 [2023-11-26 11:54:57,195 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 205 [2023-11-26 11:54:57,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 205 states and 266 transitions. [2023-11-26 11:54:57,197 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:54:57,197 INFO L218 hiAutomatonCegarLoop]: Abstraction has 205 states and 266 transitions. [2023-11-26 11:54:57,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states and 266 transitions. [2023-11-26 11:54:57,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2023-11-26 11:54:57,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 205 states have (on average 1.2975609756097561) internal successors, (266), 204 states have internal predecessors, (266), 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 11:54:57,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 266 transitions. [2023-11-26 11:54:57,210 INFO L240 hiAutomatonCegarLoop]: Abstraction has 205 states and 266 transitions. [2023-11-26 11:54:57,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:54:57,211 INFO L428 stractBuchiCegarLoop]: Abstraction has 205 states and 266 transitions. [2023-11-26 11:54:57,211 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-26 11:54:57,212 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 205 states and 266 transitions. [2023-11-26 11:54:57,214 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 149 [2023-11-26 11:54:57,214 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:54:57,214 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:54:57,215 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:54:57,215 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] [2023-11-26 11:54:57,216 INFO L748 eck$LassoCheckResult]: Stem: 818#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 819#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret45#1, main_~retValue_acc~8#1, main_~tmp~7#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 810#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 811#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~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 881#valid_product_returnLabel#1 main_#t~ret45#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret45#1;havoc main_#t~ret45#1; 882#L834 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 855#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 856#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 842#L607-2 [2023-11-26 11:54:57,216 INFO L750 eck$LassoCheckResult]: Loop: 842#L607-2 assume !false; 843#L608 assume test_~splverifierCounter~0#1 < 4; 857#L609 havoc test_#t~nondet38#1;test_~tmp~5#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 852#L617 assume !(0 != test_~tmp~5#1); 827#L617-2 havoc test_#t~nondet39#1;test_~tmp___0~1#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 837#L627 assume !(0 != test_~tmp___0~1#1); 839#L627-2 havoc test_#t~nondet40#1;test_~tmp___2~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 948#L637 assume 0 != test_~tmp___2~0#1; 947#L643-2 assume { :begin_inline_timeShift } true; 946#L434 assume !(0 != ~pumpRunning~0); 900#L434-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret27#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 892#L466 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret37#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~5#1;havoc isHighWaterLevel_~tmp~4#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; 873#L932 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; 800#isHighWaterSensorDry_returnLabel#1 isHighWaterLevel_#t~ret37#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4#1 := isHighWaterLevel_#t~ret37#1;havoc isHighWaterLevel_#t~ret37#1; 801#L568 assume 0 != isHighWaterLevel_~tmp~4#1;isHighWaterLevel_~tmp___0~0#1 := 0; 820#L568-2 isHighWaterLevel_~retValue_acc~5#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; 821#isHighWaterLevel_returnLabel#1 processEnvironment_#t~ret27#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret37#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~3#1 := processEnvironment_#t~ret27#1;havoc processEnvironment_#t~ret27#1; 887#L470 assume !(0 != processEnvironment_~tmp~3#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 794#processEnvironment__wrappee__base_returnLabel#1 assume { :end_inline_processEnvironment__wrappee__base } true; 795#L466-1 havoc processEnvironment_#t~ret27#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true; 864#L441-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret42#1, __utac_acc__Specification2_spec__2_#t~ret43#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~6#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 890#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification2_spec__2_#t~ret42#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6#1 := __utac_acc__Specification2_spec__2_#t~ret42#1;havoc __utac_acc__Specification2_spec__2_#t~ret42#1; 862#L682 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6#1);~methAndRunningLastTime~0 := 0; 812#L682-1 havoc __utac_acc__Specification2_spec__2_#t~ret42#1, __utac_acc__Specification2_spec__2_#t~ret43#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 813#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 842#L607-2 [2023-11-26 11:54:57,217 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:57,217 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2023-11-26 11:54:57,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:57,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63553592] [2023-11-26 11:54:57,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:57,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:57,230 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:54:57,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:57,242 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:54:57,243 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:57,243 INFO L85 PathProgramCache]: Analyzing trace with hash 192807872, now seen corresponding path program 1 times [2023-11-26 11:54:57,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:57,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965443508] [2023-11-26 11:54:57,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:57,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:57,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:57,254 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:54:57,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:57,281 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:54:57,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:57,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1462257911, now seen corresponding path program 1 times [2023-11-26 11:54:57,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:57,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47479175] [2023-11-26 11:54:57,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:57,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:57,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:57,320 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:54:57,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:57,346 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:54:58,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:58,674 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:54:58,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:58,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 11:54:58 BoogieIcfgContainer [2023-11-26 11:54:58,746 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 11:54:58,748 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:54:58,748 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:54:58,748 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:54:58,749 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:54:55" (3/4) ... [2023-11-26 11:54:58,750 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-26 11:54:58,832 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ee9d63-4eb5-4196-bf80-172b5f1885f0/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 11:54:58,832 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:54:58,833 INFO L158 Benchmark]: Toolchain (without parser) took 4131.27ms. Allocated memory is still 161.5MB. Free memory was 115.5MB in the beginning and 63.4MB in the end (delta: 52.1MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. [2023-11-26 11:54:58,833 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 119.5MB. Free memory was 87.4MB in the beginning and 87.3MB in the end (delta: 30.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:54:58,834 INFO L158 Benchmark]: CACSL2BoogieTranslator took 534.11ms. Allocated memory is still 161.5MB. Free memory was 115.5MB in the beginning and 96.3MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-26 11:54:58,834 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.08ms. Allocated memory is still 161.5MB. Free memory was 96.3MB in the beginning and 93.6MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:54:58,835 INFO L158 Benchmark]: Boogie Preprocessor took 63.28ms. Allocated memory is still 161.5MB. Free memory was 93.6MB in the beginning and 90.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:54:58,835 INFO L158 Benchmark]: RCFGBuilder took 589.83ms. Allocated memory is still 161.5MB. Free memory was 90.9MB in the beginning and 128.2MB in the end (delta: -37.3MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2023-11-26 11:54:58,836 INFO L158 Benchmark]: BuchiAutomizer took 2765.79ms. Allocated memory is still 161.5MB. Free memory was 128.2MB in the beginning and 66.5MB in the end (delta: 61.7MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. [2023-11-26 11:54:58,836 INFO L158 Benchmark]: Witness Printer took 84.64ms. Allocated memory is still 161.5MB. Free memory was 65.5MB in the beginning and 63.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:54:58,839 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 119.5MB. Free memory was 87.4MB in the beginning and 87.3MB in the end (delta: 30.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 534.11ms. Allocated memory is still 161.5MB. Free memory was 115.5MB in the beginning and 96.3MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.08ms. Allocated memory is still 161.5MB. Free memory was 96.3MB in the beginning and 93.6MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.28ms. Allocated memory is still 161.5MB. Free memory was 93.6MB in the beginning and 90.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 589.83ms. Allocated memory is still 161.5MB. Free memory was 90.9MB in the beginning and 128.2MB in the end (delta: -37.3MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 2765.79ms. Allocated memory is still 161.5MB. Free memory was 128.2MB in the beginning and 66.5MB in the end (delta: 61.7MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. * Witness Printer took 84.64ms. Allocated memory is still 161.5MB. Free memory was 65.5MB in the beginning and 63.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [415] - GenericResultAtLocation [Line: 593]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [593] - GenericResultAtLocation [Line: 663]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [663] - GenericResultAtLocation [Line: 703]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [703] - GenericResultAtLocation [Line: 741]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [741] - GenericResultAtLocation [Line: 750]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [750] - GenericResultAtLocation [Line: 847]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [847] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 205 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 94 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 757 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 757 mSDsluCounter, 1009 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 717 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 61 IncrementalHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 292 mSDtfsCounter, 61 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 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: 607]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L426] int pumpRunning = 0; [L427] int systemActive = 1; [L665] int methAndRunningLastTime ; [L751] int cleanupTimeShifts = 4; [L849] int waterLevel = 1; [L850] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L825] int retValue_acc ; [L826] int tmp ; [L830] FCALL select_helpers() [L831] FCALL select_features() [L832] CALL, EXPR valid_product() [L733] int retValue_acc ; [L736] retValue_acc = 1 [L737] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L832] RET, EXPR valid_product() [L832] tmp = valid_product() [L834] COND TRUE \read(tmp) [L836] FCALL setup() [L837] CALL runTest() [L818] CALL __utac_acc__Specification2_spec__1() [L670] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L818] RET __utac_acc__Specification2_spec__1() [L819] CALL test() [L598] int splverifierCounter ; [L599] int tmp ; [L600] int tmp___0 ; [L601] int tmp___1 ; [L602] int tmp___2 ; [L605] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L607] COND TRUE 1 [L609] COND TRUE splverifierCounter < 4 [L615] tmp = __VERIFIER_nondet_int() [L617] COND FALSE !(\read(tmp)) [L625] tmp___0 = __VERIFIER_nondet_int() [L627] COND FALSE !(\read(tmp___0)) [L635] tmp___2 = __VERIFIER_nondet_int() [L637] COND TRUE \read(tmp___2) [L652] CALL timeShift() [L434] COND FALSE !(\read(pumpRunning)) [L441] COND TRUE \read(systemActive) [L443] CALL processEnvironment() [L463] int tmp ; [L466] COND TRUE ! pumpRunning [L468] CALL, EXPR isHighWaterLevel() [L560] int retValue_acc ; [L561] int tmp ; [L562] int tmp___0 ; [L566] CALL, EXPR isHighWaterSensorDry() [L929] int retValue_acc ; [L932] COND TRUE waterLevel < 2 [L933] retValue_acc = 1 [L934] return (retValue_acc); [L566] RET, EXPR isHighWaterSensorDry() [L566] tmp = isHighWaterSensorDry() [L568] COND TRUE \read(tmp) [L569] tmp___0 = 0 [L573] retValue_acc = tmp___0 [L574] return (retValue_acc); [L468] RET, EXPR isHighWaterLevel() [L468] tmp = isHighWaterLevel() [L470] COND FALSE !(\read(tmp)) [L476] FCALL processEnvironment__wrappee__base() [L443] RET processEnvironment() [L449] CALL __utac_acc__Specification2_spec__2() [L675] int tmp ; [L676] int tmp___0 ; [L680] CALL, EXPR isMethaneLevelCritical() [L888] int retValue_acc ; [L891] retValue_acc = methaneLevelCritical [L892] return (retValue_acc); [L680] RET, EXPR isMethaneLevelCritical() [L680] tmp = isMethaneLevelCritical() [L682] COND FALSE !(\read(tmp)) [L698] methAndRunningLastTime = 0 [L449] RET __utac_acc__Specification2_spec__2() [L652] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 607]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L426] int pumpRunning = 0; [L427] int systemActive = 1; [L665] int methAndRunningLastTime ; [L751] int cleanupTimeShifts = 4; [L849] int waterLevel = 1; [L850] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L825] int retValue_acc ; [L826] int tmp ; [L830] FCALL select_helpers() [L831] FCALL select_features() [L832] CALL, EXPR valid_product() [L733] int retValue_acc ; [L736] retValue_acc = 1 [L737] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L832] RET, EXPR valid_product() [L832] tmp = valid_product() [L834] COND TRUE \read(tmp) [L836] FCALL setup() [L837] CALL runTest() [L818] CALL __utac_acc__Specification2_spec__1() [L670] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L818] RET __utac_acc__Specification2_spec__1() [L819] CALL test() [L598] int splverifierCounter ; [L599] int tmp ; [L600] int tmp___0 ; [L601] int tmp___1 ; [L602] int tmp___2 ; [L605] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L607] COND TRUE 1 [L609] COND TRUE splverifierCounter < 4 [L615] tmp = __VERIFIER_nondet_int() [L617] COND FALSE !(\read(tmp)) [L625] tmp___0 = __VERIFIER_nondet_int() [L627] COND FALSE !(\read(tmp___0)) [L635] tmp___2 = __VERIFIER_nondet_int() [L637] COND TRUE \read(tmp___2) [L652] CALL timeShift() [L434] COND FALSE !(\read(pumpRunning)) [L441] COND TRUE \read(systemActive) [L443] CALL processEnvironment() [L463] int tmp ; [L466] COND TRUE ! pumpRunning [L468] CALL, EXPR isHighWaterLevel() [L560] int retValue_acc ; [L561] int tmp ; [L562] int tmp___0 ; [L566] CALL, EXPR isHighWaterSensorDry() [L929] int retValue_acc ; [L932] COND TRUE waterLevel < 2 [L933] retValue_acc = 1 [L934] return (retValue_acc); [L566] RET, EXPR isHighWaterSensorDry() [L566] tmp = isHighWaterSensorDry() [L568] COND TRUE \read(tmp) [L569] tmp___0 = 0 [L573] retValue_acc = tmp___0 [L574] return (retValue_acc); [L468] RET, EXPR isHighWaterLevel() [L468] tmp = isHighWaterLevel() [L470] COND FALSE !(\read(tmp)) [L476] FCALL processEnvironment__wrappee__base() [L443] RET processEnvironment() [L449] CALL __utac_acc__Specification2_spec__2() [L675] int tmp ; [L676] int tmp___0 ; [L680] CALL, EXPR isMethaneLevelCritical() [L888] int retValue_acc ; [L891] retValue_acc = methaneLevelCritical [L892] return (retValue_acc); [L680] RET, EXPR isMethaneLevelCritical() [L680] tmp = isMethaneLevelCritical() [L682] COND FALSE !(\read(tmp)) [L698] methAndRunningLastTime = 0 [L449] RET __utac_acc__Specification2_spec__2() [L652] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-26 11:54:58,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ee9d63-4eb5-4196-bf80-172b5f1885f0/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)