./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff 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_69cc394e-e551-48b4-b656-b8f990691ccc/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cc394e-e551-48b4-b656-b8f990691ccc/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cc394e-e551-48b4-b656-b8f990691ccc/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cc394e-e551-48b4-b656-b8f990691ccc/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cc394e-e551-48b4-b656-b8f990691ccc/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cc394e-e551-48b4-b656-b8f990691ccc/bin/uautomizer-verify-uCwYo4JHxu --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 a218bb67596641a4ce71d6987e627686ed630ab4299f0e9b54dfa98d78549c82 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:48:30,409 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:48:30,553 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cc394e-e551-48b4-b656-b8f990691ccc/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 07:48:30,563 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:48:30,564 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:48:30,610 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:48:30,611 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:48:30,612 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:48:30,613 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:48:30,619 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:48:30,620 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:48:30,620 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:48:30,621 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:48:30,623 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:48:30,623 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:48:30,624 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:48:30,624 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:48:30,625 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:48:30,626 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:48:30,626 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:48:30,627 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:48:30,628 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:48:30,628 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:48:30,629 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:48:30,629 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:48:30,630 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:48:30,630 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:48:30,631 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:48:30,631 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:48:30,632 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:48:30,633 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:48:30,633 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:48:30,634 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:48:30,634 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:48:30,635 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:48:30,635 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:48:30,636 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_69cc394e-e551-48b4-b656-b8f990691ccc/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cc394e-e551-48b4-b656-b8f990691ccc/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a218bb67596641a4ce71d6987e627686ed630ab4299f0e9b54dfa98d78549c82 [2023-11-19 07:48:30,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:48:31,021 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:48:31,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:48:31,025 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:48:31,026 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:48:31,027 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cc394e-e551-48b4-b656-b8f990691ccc/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c [2023-11-19 07:48:34,247 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:48:34,505 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:48:34,506 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cc394e-e551-48b4-b656-b8f990691ccc/sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c [2023-11-19 07:48:34,527 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cc394e-e551-48b4-b656-b8f990691ccc/bin/uautomizer-verify-uCwYo4JHxu/data/613ef8442/70d7e5b09b5d48c3b83396e4a2b9e6d7/FLAG1c77ceeb9 [2023-11-19 07:48:34,542 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cc394e-e551-48b4-b656-b8f990691ccc/bin/uautomizer-verify-uCwYo4JHxu/data/613ef8442/70d7e5b09b5d48c3b83396e4a2b9e6d7 [2023-11-19 07:48:34,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:48:34,546 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:48:34,547 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:48:34,547 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:48:34,552 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:48:34,553 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:48:34" (1/1) ... [2023-11-19 07:48:34,554 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31ed57d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:34, skipping insertion in model container [2023-11-19 07:48:34,555 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:48:34" (1/1) ... [2023-11-19 07:48:34,617 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:48:34,959 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:48:34,984 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:48:34,994 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2023-11-19 07:48:35,002 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [160] [2023-11-19 07:48:35,002 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [169] [2023-11-19 07:48:35,002 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [273] [2023-11-19 07:48:35,003 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [308] [2023-11-19 07:48:35,003 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [379] [2023-11-19 07:48:35,003 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [745] [2023-11-19 07:48:35,003 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [987] [2023-11-19 07:48:35,091 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:48:35,123 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:48:35,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:35 WrapperNode [2023-11-19 07:48:35,123 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:48:35,125 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:48:35,125 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:48:35,125 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:48:35,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:35" (1/1) ... [2023-11-19 07:48:35,163 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:35" (1/1) ... [2023-11-19 07:48:35,212 INFO L138 Inliner]: procedures = 59, calls = 105, calls flagged for inlining = 58, calls inlined = 102, statements flattened = 701 [2023-11-19 07:48:35,212 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:48:35,213 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:48:35,213 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:48:35,213 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:48:35,223 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:35" (1/1) ... [2023-11-19 07:48:35,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:35" (1/1) ... [2023-11-19 07:48:35,228 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:35" (1/1) ... [2023-11-19 07:48:35,229 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:35" (1/1) ... [2023-11-19 07:48:35,243 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:35" (1/1) ... [2023-11-19 07:48:35,261 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:35" (1/1) ... [2023-11-19 07:48:35,264 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:35" (1/1) ... [2023-11-19 07:48:35,268 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:35" (1/1) ... [2023-11-19 07:48:35,273 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:48:35,274 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:48:35,274 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:48:35,285 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:48:35,286 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:35" (1/1) ... [2023-11-19 07:48:35,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:48:35,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cc394e-e551-48b4-b656-b8f990691ccc/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:48:35,354 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cc394e-e551-48b4-b656-b8f990691ccc/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:48:35,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cc394e-e551-48b4-b656-b8f990691ccc/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:48:35,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:48:35,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:48:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:48:35,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:48:35,505 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:48:35,507 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:48:36,035 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:48:36,049 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:48:36,049 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 07:48:36,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:36 BoogieIcfgContainer [2023-11-19 07:48:36,054 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:48:36,056 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:48:36,056 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:48:36,060 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:48:36,061 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:48:36,061 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:48:34" (1/3) ... [2023-11-19 07:48:36,062 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@55f540ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:48:36, skipping insertion in model container [2023-11-19 07:48:36,062 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:48:36,062 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:35" (2/3) ... [2023-11-19 07:48:36,063 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@55f540ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:48:36, skipping insertion in model container [2023-11-19 07:48:36,063 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:48:36,063 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:36" (3/3) ... [2023-11-19 07:48:36,064 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product60.cil.c [2023-11-19 07:48:36,128 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:48:36,128 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:48:36,128 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:48:36,128 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:48:36,128 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:48:36,129 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:48:36,129 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:48:36,129 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:48:36,139 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 198 states, 197 states have (on average 1.3604060913705585) internal successors, (268), 197 states have internal predecessors, (268), 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) [2023-11-19 07:48:36,185 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 129 [2023-11-19 07:48:36,185 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:48:36,186 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:48:36,194 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:36,194 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:36,195 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:48:36,196 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 198 states, 197 states have (on average 1.3604060913705585) internal successors, (268), 197 states have internal predecessors, (268), 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) [2023-11-19 07:48:36,205 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 129 [2023-11-19 07:48:36,205 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:48:36,205 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:48:36,207 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:36,207 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:36,213 INFO L748 eck$LassoCheckResult]: Stem: 115#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0; 121#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 21#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 178#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~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 73#valid_product_returnLabel#1true main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 147#L260true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 57#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; 82#__utac_acc__Specification2_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet11#1, test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 67#L321-2true [2023-11-19 07:48:36,215 INFO L750 eck$LassoCheckResult]: Loop: 67#L321-2true assume !false; 163#L322true assume test_~splverifierCounter~0#1 < 4; 5#L323true havoc test_#t~nondet11#1;test_~tmp~1#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1; 106#L331true assume !(0 != test_~tmp~1#1); 95#L331-2true havoc test_#t~nondet12#1;test_~tmp___0~0#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 74#L341true assume !(0 != test_~tmp___0~0#1); 169#L341-2true havoc test_#t~nondet13#1;test_~tmp___2~0#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 56#L351true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 42#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 20#L359-2true assume { :begin_inline_timeShift } true; 47#L757true assume !(0 != ~pumpRunning~0); 135#L757-2true assume !(0 != ~systemActive~0); 179#L764-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret52#1, __utac_acc__Specification2_spec__2_#t~ret53#1, __utac_acc__Specification2_spec__2_~tmp~10#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;havoc __utac_acc__Specification2_spec__2_~tmp~10#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 60#isMethaneLevelCritical_returnLabel#3true __utac_acc__Specification2_spec__2_#t~ret52#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~10#1 := __utac_acc__Specification2_spec__2_#t~ret52#1;havoc __utac_acc__Specification2_spec__2_#t~ret52#1; 40#L1005true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~10#1);~methAndRunningLastTime~0 := 0; 152#L1005-1true havoc __utac_acc__Specification2_spec__2_#t~ret52#1, __utac_acc__Specification2_spec__2_#t~ret53#1, __utac_acc__Specification2_spec__2_~tmp~10#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 139#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 67#L321-2true [2023-11-19 07:48:36,221 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:36,222 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2023-11-19 07:48:36,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:36,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742931140] [2023-11-19 07:48:36,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:36,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:48:36,336 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:48:36,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:48:36,374 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:48:36,377 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:36,377 INFO L85 PathProgramCache]: Analyzing trace with hash -153098005, now seen corresponding path program 1 times [2023-11-19 07:48:36,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:36,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200189099] [2023-11-19 07:48:36,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:36,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:36,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:36,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:48:36,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:36,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200189099] [2023-11-19 07:48:36,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200189099] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:36,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:36,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:48:36,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585017220] [2023-11-19 07:48:36,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:36,468 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:48:36,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:36,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:48:36,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:48:36,512 INFO L87 Difference]: Start difference. First operand has 198 states, 197 states have (on average 1.3604060913705585) internal successors, (268), 197 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2023-11-19 07:48:36,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:36,628 INFO L93 Difference]: Finished difference Result 374 states and 496 transitions. [2023-11-19 07:48:36,630 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 374 states and 496 transitions. [2023-11-19 07:48:36,648 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 244 [2023-11-19 07:48:36,656 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 374 states to 354 states and 475 transitions. [2023-11-19 07:48:36,657 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 354 [2023-11-19 07:48:36,659 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 354 [2023-11-19 07:48:36,659 INFO L73 IsDeterministic]: Start isDeterministic. Operand 354 states and 475 transitions. [2023-11-19 07:48:36,662 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:48:36,663 INFO L218 hiAutomatonCegarLoop]: Abstraction has 354 states and 475 transitions. [2023-11-19 07:48:36,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states and 475 transitions. [2023-11-19 07:48:36,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 351. [2023-11-19 07:48:36,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 351 states have (on average 1.3418803418803418) internal successors, (471), 350 states have internal predecessors, (471), 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) [2023-11-19 07:48:36,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 471 transitions. [2023-11-19 07:48:36,714 INFO L240 hiAutomatonCegarLoop]: Abstraction has 351 states and 471 transitions. [2023-11-19 07:48:36,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:48:36,719 INFO L428 stractBuchiCegarLoop]: Abstraction has 351 states and 471 transitions. [2023-11-19 07:48:36,719 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:48:36,719 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 351 states and 471 transitions. [2023-11-19 07:48:36,723 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 241 [2023-11-19 07:48:36,723 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:48:36,723 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:48:36,724 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:36,724 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:36,725 INFO L748 eck$LassoCheckResult]: Stem: 639#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0; 640#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 632#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 633#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~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 762#valid_product_returnLabel#1 main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 730#L260 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 731#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; 736#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet11#1, test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 770#L321-2 [2023-11-19 07:48:36,725 INFO L750 eck$LassoCheckResult]: Loop: 770#L321-2 assume !false; 801#L322 assume test_~splverifierCounter~0#1 < 4; 800#L323 havoc test_#t~nondet11#1;test_~tmp~1#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1; 799#L331 assume !(0 != test_~tmp~1#1); 786#L331-2 havoc test_#t~nondet12#1;test_~tmp___0~0#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 787#L341 assume !(0 != test_~tmp___0~0#1); 796#L341-2 havoc test_#t~nondet13#1;test_~tmp___2~0#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 795#L351 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 696#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 697#L359-2 assume { :begin_inline_timeShift } true; 706#L757 assume !(0 != ~pumpRunning~0); 703#L757-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 704#L815 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret38#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1; 816#L789-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 815#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 789#L789-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret38#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 636#L815-1 havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 637#L764-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret52#1, __utac_acc__Specification2_spec__2_#t~ret53#1, __utac_acc__Specification2_spec__2_~tmp~10#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;havoc __utac_acc__Specification2_spec__2_~tmp~10#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 809#isMethaneLevelCritical_returnLabel#3 __utac_acc__Specification2_spec__2_#t~ret52#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~10#1 := __utac_acc__Specification2_spec__2_#t~ret52#1;havoc __utac_acc__Specification2_spec__2_#t~ret52#1; 805#L1005 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~10#1);~methAndRunningLastTime~0 := 0; 804#L1005-1 havoc __utac_acc__Specification2_spec__2_#t~ret52#1, __utac_acc__Specification2_spec__2_#t~ret53#1, __utac_acc__Specification2_spec__2_~tmp~10#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 803#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 770#L321-2 [2023-11-19 07:48:36,726 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:36,726 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2023-11-19 07:48:36,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:36,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699549179] [2023-11-19 07:48:36,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:36,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:36,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:48:36,743 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:48:36,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:48:36,760 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:48:36,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:36,761 INFO L85 PathProgramCache]: Analyzing trace with hash -846737401, now seen corresponding path program 1 times [2023-11-19 07:48:36,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:36,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167540506] [2023-11-19 07:48:36,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:36,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:36,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:36,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:48:36,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:36,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167540506] [2023-11-19 07:48:36,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167540506] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:36,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:36,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:48:36,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372039366] [2023-11-19 07:48:36,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:36,798 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:48:36,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:36,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:48:36,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:48:36,799 INFO L87 Difference]: Start difference. First operand 351 states and 471 transitions. cyclomatic complexity: 123 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2023-11-19 07:48:36,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:36,921 INFO L93 Difference]: Finished difference Result 481 states and 624 transitions. [2023-11-19 07:48:36,921 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 481 states and 624 transitions. [2023-11-19 07:48:36,964 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 339 [2023-11-19 07:48:36,972 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 481 states to 481 states and 624 transitions. [2023-11-19 07:48:36,972 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 481 [2023-11-19 07:48:36,975 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 481 [2023-11-19 07:48:36,975 INFO L73 IsDeterministic]: Start isDeterministic. Operand 481 states and 624 transitions. [2023-11-19 07:48:36,984 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:48:36,985 INFO L218 hiAutomatonCegarLoop]: Abstraction has 481 states and 624 transitions. [2023-11-19 07:48:36,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states and 624 transitions. [2023-11-19 07:48:37,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 481. [2023-11-19 07:48:37,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 481 states have (on average 1.2972972972972974) internal successors, (624), 480 states have internal predecessors, (624), 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) [2023-11-19 07:48:37,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 624 transitions. [2023-11-19 07:48:37,041 INFO L240 hiAutomatonCegarLoop]: Abstraction has 481 states and 624 transitions. [2023-11-19 07:48:37,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:48:37,043 INFO L428 stractBuchiCegarLoop]: Abstraction has 481 states and 624 transitions. [2023-11-19 07:48:37,043 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-19 07:48:37,043 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 481 states and 624 transitions. [2023-11-19 07:48:37,046 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 339 [2023-11-19 07:48:37,046 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:48:37,047 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:48:37,048 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:37,048 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] [2023-11-19 07:48:37,048 INFO L748 eck$LassoCheckResult]: Stem: 1474#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0; 1475#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 1467#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1468#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~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 1595#valid_product_returnLabel#1 main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 1562#L260 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1563#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; 1569#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet11#1, test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1604#L321-2 [2023-11-19 07:48:37,049 INFO L750 eck$LassoCheckResult]: Loop: 1604#L321-2 assume !false; 1857#L322 assume test_~splverifierCounter~0#1 < 4; 1858#L323 havoc test_#t~nondet11#1;test_~tmp~1#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1; 1897#L331 assume !(0 != test_~tmp~1#1); 1895#L331-2 havoc test_#t~nondet12#1;test_~tmp___0~0#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 1893#L341 assume !(0 != test_~tmp___0~0#1); 1891#L341-2 havoc test_#t~nondet13#1;test_~tmp___2~0#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 1890#L351 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1881#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 1597#L359-2 assume { :begin_inline_timeShift } true; 1849#L757 assume !(0 != ~pumpRunning~0); 1848#L757-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 1847#L815 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret38#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1; 1806#L789-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret50#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~12#1;havoc isHighWaterLevel_~tmp~8#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1; 1842#L141-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; 1840#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret50#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret50#1;havoc isHighWaterLevel_#t~ret50#1; 1838#L935-3 assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1836#L935-5 isHighWaterLevel_~retValue_acc~12#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; 1833#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret38#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret50#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~5#1 := processEnvironment__wrappee__highWaterSensor_#t~ret38#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret38#1; 1830#L793-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1831#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 1870#L789-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret38#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1869#L815-1 havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 1868#L764-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret52#1, __utac_acc__Specification2_spec__2_#t~ret53#1, __utac_acc__Specification2_spec__2_~tmp~10#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;havoc __utac_acc__Specification2_spec__2_~tmp~10#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 1867#isMethaneLevelCritical_returnLabel#3 __utac_acc__Specification2_spec__2_#t~ret52#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~10#1 := __utac_acc__Specification2_spec__2_#t~ret52#1;havoc __utac_acc__Specification2_spec__2_#t~ret52#1; 1863#L1005 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~10#1);~methAndRunningLastTime~0 := 0; 1862#L1005-1 havoc __utac_acc__Specification2_spec__2_#t~ret52#1, __utac_acc__Specification2_spec__2_#t~ret53#1, __utac_acc__Specification2_spec__2_~tmp~10#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 1861#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1604#L321-2 [2023-11-19 07:48:37,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:37,050 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2023-11-19 07:48:37,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:37,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348043753] [2023-11-19 07:48:37,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:37,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:37,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:48:37,066 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:48:37,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:48:37,082 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:48:37,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:37,084 INFO L85 PathProgramCache]: Analyzing trace with hash 907044511, now seen corresponding path program 1 times [2023-11-19 07:48:37,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:37,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736927217] [2023-11-19 07:48:37,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:37,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:37,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:48:37,105 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:48:37,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:48:37,127 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:48:37,127 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:37,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1906115080, now seen corresponding path program 1 times [2023-11-19 07:48:37,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:37,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811071083] [2023-11-19 07:48:37,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:37,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:37,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:48:37,153 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:48:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:48:37,185 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:48:38,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:48:38,500 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:48:38,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:48:38,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:48:38 BoogieIcfgContainer [2023-11-19 07:48:38,576 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 07:48:38,577 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:48:38,577 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:48:38,577 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:48:38,578 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:36" (3/4) ... [2023-11-19 07:48:38,581 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-19 07:48:38,671 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cc394e-e551-48b4-b656-b8f990691ccc/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:48:38,671 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:48:38,672 INFO L158 Benchmark]: Toolchain (without parser) took 4126.68ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 143.3MB in the beginning and 102.1MB in the end (delta: 41.2MB). Peak memory consumption was 76.6MB. Max. memory is 16.1GB. [2023-11-19 07:48:38,673 INFO L158 Benchmark]: CDTParser took 0.65ms. Allocated memory is still 127.9MB. Free memory is still 99.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:48:38,673 INFO L158 Benchmark]: CACSL2BoogieTranslator took 577.00ms. Allocated memory is still 174.1MB. Free memory was 143.3MB in the beginning and 123.5MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:48:38,674 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.67ms. Allocated memory is still 174.1MB. Free memory was 123.5MB in the beginning and 120.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:48:38,674 INFO L158 Benchmark]: Boogie Preprocessor took 60.02ms. Allocated memory is still 174.1MB. Free memory was 120.3MB in the beginning and 117.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:48:38,675 INFO L158 Benchmark]: RCFGBuilder took 780.85ms. Allocated memory is still 174.1MB. Free memory was 117.4MB in the beginning and 116.6MB in the end (delta: 765.0kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:48:38,675 INFO L158 Benchmark]: BuchiAutomizer took 2520.86ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 115.8MB in the beginning and 105.3MB in the end (delta: 10.5MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2023-11-19 07:48:38,676 INFO L158 Benchmark]: Witness Printer took 94.60ms. Allocated memory is still 209.7MB. Free memory was 105.3MB in the beginning and 102.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:48:38,678 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65ms. Allocated memory is still 127.9MB. Free memory is still 99.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 577.00ms. Allocated memory is still 174.1MB. Free memory was 143.3MB in the beginning and 123.5MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.67ms. Allocated memory is still 174.1MB. Free memory was 123.5MB in the beginning and 120.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.02ms. Allocated memory is still 174.1MB. Free memory was 120.3MB in the beginning and 117.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 780.85ms. Allocated memory is still 174.1MB. Free memory was 117.4MB in the beginning and 116.6MB in the end (delta: 765.0kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 2520.86ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 115.8MB in the beginning and 105.3MB in the end (delta: 10.5MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. * Witness Printer took 94.60ms. Allocated memory is still 209.7MB. Free memory was 105.3MB in the beginning and 102.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] - GenericResultAtLocation [Line: 160]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [160] - GenericResultAtLocation [Line: 169]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [169] - GenericResultAtLocation [Line: 273]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [273] - GenericResultAtLocation [Line: 308]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [308] - GenericResultAtLocation [Line: 379]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [379] - GenericResultAtLocation [Line: 745]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [745] - GenericResultAtLocation [Line: 987]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [987] * 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 3 locations. The remainder module has 481 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.1s. 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 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 421 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 421 mSDsluCounter, 839 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 348 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41 IncrementalHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 491 mSDtfsCounter, 41 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 321]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L58] int waterLevel = 1; [L59] int methaneLevelCritical = 0; [L170] int cleanupTimeShifts = 4; [L549] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L749] int pumpRunning = 0; [L750] int systemActive = 1; [L988] int methAndRunningLastTime ; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L251] int retValue_acc ; [L252] int tmp ; [L256] FCALL select_helpers() [L257] FCALL select_features() [L258] CALL, EXPR valid_product() [L300] int retValue_acc ; [L303] retValue_acc = 1 [L304] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L258] RET, EXPR valid_product() [L258] tmp = valid_product() [L260] COND TRUE \read(tmp) [L262] FCALL setup() [L263] CALL runTest() [L241] CALL __utac_acc__Specification2_spec__1() [L993] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L241] RET __utac_acc__Specification2_spec__1() [L242] CALL test() [L312] int splverifierCounter ; [L313] int tmp ; [L314] int tmp___0 ; [L315] int tmp___1 ; [L316] int tmp___2 ; [L319] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L321] COND TRUE 1 [L323] COND TRUE splverifierCounter < 4 [L329] tmp = __VERIFIER_nondet_int() [L331] COND FALSE !(\read(tmp)) [L339] tmp___0 = __VERIFIER_nondet_int() [L341] COND FALSE !(\read(tmp___0)) [L349] tmp___2 = __VERIFIER_nondet_int() [L351] COND TRUE \read(tmp___2) [L353] CALL startSystem() [L983] systemActive = 1 [L353] RET startSystem() [L368] CALL timeShift() [L757] COND FALSE !(\read(pumpRunning)) [L764] COND TRUE \read(systemActive) [L766] CALL processEnvironment() [L812] int tmp ; [L815] COND FALSE !(\read(pumpRunning)) [L830] CALL processEnvironment__wrappee__highWaterSensor() [L786] int tmp ; [L789] COND TRUE ! pumpRunning [L791] CALL, EXPR isHighWaterLevel() [L927] int retValue_acc ; [L928] int tmp ; [L929] int tmp___0 ; [L933] CALL, EXPR isHighWaterSensorDry() [L138] int retValue_acc ; [L141] COND TRUE waterLevel < 2 [L142] retValue_acc = 1 [L143] return (retValue_acc); [L933] RET, EXPR isHighWaterSensorDry() [L933] tmp = isHighWaterSensorDry() [L935] COND TRUE \read(tmp) [L936] tmp___0 = 0 [L940] retValue_acc = tmp___0 [L941] return (retValue_acc); [L791] RET, EXPR isHighWaterLevel() [L791] tmp = isHighWaterLevel() [L793] COND FALSE !(\read(tmp)) [L799] FCALL processEnvironment__wrappee__base() [L830] RET processEnvironment__wrappee__highWaterSensor() [L766] RET processEnvironment() [L772] CALL __utac_acc__Specification2_spec__2() [L998] int tmp ; [L999] int tmp___0 ; [L1003] CALL, EXPR isMethaneLevelCritical() [L97] int retValue_acc ; [L100] retValue_acc = methaneLevelCritical [L101] return (retValue_acc); [L1003] RET, EXPR isMethaneLevelCritical() [L1003] tmp = isMethaneLevelCritical() [L1005] COND FALSE !(\read(tmp)) [L1021] methAndRunningLastTime = 0 [L772] RET __utac_acc__Specification2_spec__2() [L368] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 321]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L58] int waterLevel = 1; [L59] int methaneLevelCritical = 0; [L170] int cleanupTimeShifts = 4; [L549] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L749] int pumpRunning = 0; [L750] int systemActive = 1; [L988] int methAndRunningLastTime ; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L251] int retValue_acc ; [L252] int tmp ; [L256] FCALL select_helpers() [L257] FCALL select_features() [L258] CALL, EXPR valid_product() [L300] int retValue_acc ; [L303] retValue_acc = 1 [L304] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L258] RET, EXPR valid_product() [L258] tmp = valid_product() [L260] COND TRUE \read(tmp) [L262] FCALL setup() [L263] CALL runTest() [L241] CALL __utac_acc__Specification2_spec__1() [L993] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L241] RET __utac_acc__Specification2_spec__1() [L242] CALL test() [L312] int splverifierCounter ; [L313] int tmp ; [L314] int tmp___0 ; [L315] int tmp___1 ; [L316] int tmp___2 ; [L319] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L321] COND TRUE 1 [L323] COND TRUE splverifierCounter < 4 [L329] tmp = __VERIFIER_nondet_int() [L331] COND FALSE !(\read(tmp)) [L339] tmp___0 = __VERIFIER_nondet_int() [L341] COND FALSE !(\read(tmp___0)) [L349] tmp___2 = __VERIFIER_nondet_int() [L351] COND TRUE \read(tmp___2) [L353] CALL startSystem() [L983] systemActive = 1 [L353] RET startSystem() [L368] CALL timeShift() [L757] COND FALSE !(\read(pumpRunning)) [L764] COND TRUE \read(systemActive) [L766] CALL processEnvironment() [L812] int tmp ; [L815] COND FALSE !(\read(pumpRunning)) [L830] CALL processEnvironment__wrappee__highWaterSensor() [L786] int tmp ; [L789] COND TRUE ! pumpRunning [L791] CALL, EXPR isHighWaterLevel() [L927] int retValue_acc ; [L928] int tmp ; [L929] int tmp___0 ; [L933] CALL, EXPR isHighWaterSensorDry() [L138] int retValue_acc ; [L141] COND TRUE waterLevel < 2 [L142] retValue_acc = 1 [L143] return (retValue_acc); [L933] RET, EXPR isHighWaterSensorDry() [L933] tmp = isHighWaterSensorDry() [L935] COND TRUE \read(tmp) [L936] tmp___0 = 0 [L940] retValue_acc = tmp___0 [L941] return (retValue_acc); [L791] RET, EXPR isHighWaterLevel() [L791] tmp = isHighWaterLevel() [L793] COND FALSE !(\read(tmp)) [L799] FCALL processEnvironment__wrappee__base() [L830] RET processEnvironment__wrappee__highWaterSensor() [L766] RET processEnvironment() [L772] CALL __utac_acc__Specification2_spec__2() [L998] int tmp ; [L999] int tmp___0 ; [L1003] CALL, EXPR isMethaneLevelCritical() [L97] int retValue_acc ; [L100] retValue_acc = methaneLevelCritical [L101] return (retValue_acc); [L1003] RET, EXPR isMethaneLevelCritical() [L1003] tmp = isMethaneLevelCritical() [L1005] COND FALSE !(\read(tmp)) [L1021] methAndRunningLastTime = 0 [L772] RET __utac_acc__Specification2_spec__2() [L368] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 07:48:38,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cc394e-e551-48b4-b656-b8f990691ccc/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)