./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product44.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff 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_239a9b87-14a4-46eb-abe9-4628a493bd7a/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_239a9b87-14a4-46eb-abe9-4628a493bd7a/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_239a9b87-14a4-46eb-abe9-4628a493bd7a/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_239a9b87-14a4-46eb-abe9-4628a493bd7a/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product44.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_239a9b87-14a4-46eb-abe9-4628a493bd7a/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_239a9b87-14a4-46eb-abe9-4628a493bd7a/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 da786641c6f5791cd76909be3af2b92112e50156e91d6775689240586eed4e85 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:35:47,224 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:35:47,351 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_239a9b87-14a4-46eb-abe9-4628a493bd7a/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 07:35:47,360 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:35:47,361 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:35:47,399 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:35:47,400 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:35:47,401 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:35:47,402 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:35:47,407 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:35:47,408 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:35:47,409 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:35:47,409 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:35:47,411 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:35:47,412 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:35:47,412 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:35:47,413 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:35:47,414 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:35:47,414 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:35:47,415 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:35:47,415 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:35:47,416 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:35:47,417 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:35:47,417 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:35:47,418 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:35:47,418 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:35:47,419 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:35:47,419 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:35:47,420 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:35:47,420 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:35:47,422 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:35:47,422 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:35:47,423 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:35:47,423 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:35:47,423 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:35:47,424 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:35:47,424 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_239a9b87-14a4-46eb-abe9-4628a493bd7a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_239a9b87-14a4-46eb-abe9-4628a493bd7a/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da786641c6f5791cd76909be3af2b92112e50156e91d6775689240586eed4e85 [2023-11-19 07:35:47,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:35:47,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:35:47,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:35:47,802 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:35:47,803 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:35:47,804 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_239a9b87-14a4-46eb-abe9-4628a493bd7a/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec4_product44.cil.c [2023-11-19 07:35:51,023 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:35:51,277 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:35:51,278 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_239a9b87-14a4-46eb-abe9-4628a493bd7a/sv-benchmarks/c/product-lines/minepump_spec4_product44.cil.c [2023-11-19 07:35:51,293 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_239a9b87-14a4-46eb-abe9-4628a493bd7a/bin/uautomizer-verify-uCwYo4JHxu/data/2a8f7b4f2/8959ca2913f54617866d794fc618551d/FLAG8b2c079a4 [2023-11-19 07:35:51,309 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_239a9b87-14a4-46eb-abe9-4628a493bd7a/bin/uautomizer-verify-uCwYo4JHxu/data/2a8f7b4f2/8959ca2913f54617866d794fc618551d [2023-11-19 07:35:51,312 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:35:51,313 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:35:51,315 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:35:51,315 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:35:51,321 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:35:51,322 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:35:51" (1/1) ... [2023-11-19 07:35:51,323 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c1a11ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:51, skipping insertion in model container [2023-11-19 07:35:51,324 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:35:51" (1/1) ... [2023-11-19 07:35:51,373 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:35:51,732 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:35:51,748 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:35:51,758 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [49] [2023-11-19 07:35:51,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [78] [2023-11-19 07:35:51,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [444] [2023-11-19 07:35:51,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [482] [2023-11-19 07:35:51,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [557] [2023-11-19 07:35:51,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [757] [2023-11-19 07:35:51,762 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [766] [2023-11-19 07:35:51,762 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [862] [2023-11-19 07:35:51,822 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:35:51,851 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:35:51,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:51 WrapperNode [2023-11-19 07:35:51,852 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:35:51,853 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:35:51,853 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:35:51,854 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:35:51,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:51" (1/1) ... [2023-11-19 07:35:51,879 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:51" (1/1) ... [2023-11-19 07:35:51,918 INFO L138 Inliner]: procedures = 55, calls = 99, calls flagged for inlining = 52, calls inlined = 62, statements flattened = 412 [2023-11-19 07:35:51,919 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:35:51,920 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:35:51,920 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:35:51,920 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:35:51,931 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:51" (1/1) ... [2023-11-19 07:35:51,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:51" (1/1) ... [2023-11-19 07:35:51,934 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:51" (1/1) ... [2023-11-19 07:35:51,935 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:51" (1/1) ... [2023-11-19 07:35:51,945 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:51" (1/1) ... [2023-11-19 07:35:51,955 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:51" (1/1) ... [2023-11-19 07:35:51,958 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:51" (1/1) ... [2023-11-19 07:35:51,960 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:51" (1/1) ... [2023-11-19 07:35:51,980 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:35:51,981 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:35:51,981 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:35:51,981 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:35:51,982 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:51" (1/1) ... [2023-11-19 07:35:51,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:52,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_239a9b87-14a4-46eb-abe9-4628a493bd7a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:52,023 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_239a9b87-14a4-46eb-abe9-4628a493bd7a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:52,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_239a9b87-14a4-46eb-abe9-4628a493bd7a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:35:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:35:52,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:35:52,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:35:52,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:35:52,147 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:35:52,149 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:35:52,515 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:35:52,530 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:35:52,531 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 07:35:52,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:52 BoogieIcfgContainer [2023-11-19 07:35:52,535 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:35:52,536 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:35:52,537 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:35:52,540 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:35:52,541 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:35:52,541 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:35:51" (1/3) ... [2023-11-19 07:35:52,542 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@67369beb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:35:52, skipping insertion in model container [2023-11-19 07:35:52,542 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:35:52,543 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:51" (2/3) ... [2023-11-19 07:35:52,543 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@67369beb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:35:52, skipping insertion in model container [2023-11-19 07:35:52,543 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:35:52,543 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:52" (3/3) ... [2023-11-19 07:35:52,545 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product44.cil.c [2023-11-19 07:35:52,605 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:35:52,605 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:35:52,605 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:35:52,605 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:35:52,606 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:35:52,606 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:35:52,606 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:35:52,606 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:35:52,611 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 125 states, 124 states have (on average 1.3548387096774193) internal successors, (168), 124 states have internal predecessors, (168), 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 07:35:52,639 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 81 [2023-11-19 07:35:52,639 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:35:52,640 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:35:52,646 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:35:52,646 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 07:35:52,646 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:35:52,647 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 125 states, 124 states have (on average 1.3548387096774193) internal successors, (168), 124 states have internal predecessors, (168), 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 07:35:52,656 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 81 [2023-11-19 07:35:52,661 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:35:52,661 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:35:52,662 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:35:52,662 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 07:35:52,668 INFO L748 eck$LassoCheckResult]: Stem: 32#$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);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 38#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret46#1, main_~retValue_acc~8#1, main_~tmp~8#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 28#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 104#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 90#valid_product_returnLabel#1true main_#t~ret46#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret46#1;havoc main_#t~ret46#1; 123#L849true assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 72#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet30#1, test_#t~nondet31#1, test_#t~nondet32#1, test_#t~nondet33#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 54#L499-2true [2023-11-19 07:35:52,671 INFO L750 eck$LassoCheckResult]: Loop: 54#L499-2true assume !false; 115#L500true assume test_~splverifierCounter~0#1 < 4; 48#L501true havoc test_#t~nondet30#1;test_~tmp~4#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 46#L509true assume !(0 != test_~tmp~4#1); 82#L509-2true havoc test_#t~nondet31#1;test_~tmp___0~1#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 87#L519true assume !(0 != test_~tmp___0~1#1); 59#L519-2true havoc test_#t~nondet32#1;test_~tmp___2~0#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 91#L529true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet33#1;test_~tmp___1~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 86#L537true assume !(0 != test_~tmp___1~0#1); 95#L537-2true assume { :begin_inline_timeShift } true; 105#L572true assume !(0 != ~pumpRunning~0); 23#L572-2true assume !(0 != ~systemActive~0); 13#L579-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 65#getWaterLevel_returnLabel#1true __utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1; 74#L61true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 108#L61-1true havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 66#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 54#L499-2true [2023-11-19 07:35:52,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:52,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2023-11-19 07:35:52,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:52,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332984464] [2023-11-19 07:35:52,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:52,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:52,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:52,881 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:52,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:52,940 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:35:52,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:52,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1883755025, now seen corresponding path program 1 times [2023-11-19 07:35:52,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:52,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603390206] [2023-11-19 07:35:52,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:52,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:52,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:52,972 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:52,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:52,998 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:35:53,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:53,000 INFO L85 PathProgramCache]: Analyzing trace with hash 952073421, now seen corresponding path program 1 times [2023-11-19 07:35:53,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:53,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615557352] [2023-11-19 07:35:53,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:53,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:53,248 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 07:35:53,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:35:53,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615557352] [2023-11-19 07:35:53,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615557352] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:35:53,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:35:53,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:35:53,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16198973] [2023-11-19 07:35:53,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:35:53,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:35:53,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:35:53,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:35:53,415 INFO L87 Difference]: Start difference. First operand has 125 states, 124 states have (on average 1.3548387096774193) internal successors, (168), 124 states have internal predecessors, (168), 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) [2023-11-19 07:35:53,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:53,558 INFO L93 Difference]: Finished difference Result 405 states and 521 transitions. [2023-11-19 07:35:53,560 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 405 states and 521 transitions. [2023-11-19 07:35:53,572 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 262 [2023-11-19 07:35:53,582 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 405 states to 365 states and 481 transitions. [2023-11-19 07:35:53,583 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 365 [2023-11-19 07:35:53,586 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 365 [2023-11-19 07:35:53,586 INFO L73 IsDeterministic]: Start isDeterministic. Operand 365 states and 481 transitions. [2023-11-19 07:35:53,589 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:35:53,589 INFO L218 hiAutomatonCegarLoop]: Abstraction has 365 states and 481 transitions. [2023-11-19 07:35:53,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states and 481 transitions. [2023-11-19 07:35:53,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 161. [2023-11-19 07:35:53,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 161 states have (on average 1.3167701863354038) internal successors, (212), 160 states have internal predecessors, (212), 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 07:35:53,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 212 transitions. [2023-11-19 07:35:53,637 INFO L240 hiAutomatonCegarLoop]: Abstraction has 161 states and 212 transitions. [2023-11-19 07:35:53,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:35:53,644 INFO L428 stractBuchiCegarLoop]: Abstraction has 161 states and 212 transitions. [2023-11-19 07:35:53,645 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:35:53,645 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 161 states and 212 transitions. [2023-11-19 07:35:53,647 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 115 [2023-11-19 07:35:53,647 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:35:53,647 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:35:53,648 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:35:53,648 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:35:53,648 INFO L748 eck$LassoCheckResult]: Stem: 587#$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);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 588#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret46#1, main_~retValue_acc~8#1, main_~tmp~8#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 583#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 584#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 650#valid_product_returnLabel#1 main_#t~ret46#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret46#1;havoc main_#t~ret46#1; 651#L849 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 636#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet30#1, test_#t~nondet31#1, test_#t~nondet32#1, test_#t~nondet33#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 618#L499-2 [2023-11-19 07:35:53,649 INFO L750 eck$LassoCheckResult]: Loop: 618#L499-2 assume !false; 619#L500 assume test_~splverifierCounter~0#1 < 4; 612#L501 havoc test_#t~nondet30#1;test_~tmp~4#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 608#L509 assume !(0 != test_~tmp~4#1); 549#L509-2 havoc test_#t~nondet31#1;test_~tmp___0~1#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 647#L519 assume !(0 != test_~tmp___0~1#1); 625#L519-2 havoc test_#t~nondet32#1;test_~tmp___2~0#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 626#L529 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet33#1;test_~tmp___1~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 648#L537 assume !(0 != test_~tmp___1~0#1); 621#L537-2 assume { :begin_inline_timeShift } true; 652#L572 assume !(0 != ~pumpRunning~0); 574#L572-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret34#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 581#L604 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 606#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 563#L604-1 havoc processEnvironment_#t~ret34#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 564#L579-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 565#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1; 631#L61 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 640#L61-1 havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 632#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 618#L499-2 [2023-11-19 07:35:53,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:53,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2023-11-19 07:35:53,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:53,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794977182] [2023-11-19 07:35:53,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:53,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:53,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:53,682 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:53,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:53,697 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:35:53,701 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:53,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1854753881, now seen corresponding path program 1 times [2023-11-19 07:35:53,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:53,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269203100] [2023-11-19 07:35:53,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:53,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:53,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:53,739 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 07:35:53,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:35:53,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269203100] [2023-11-19 07:35:53,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269203100] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:35:53,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:35:53,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:35:53,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370246182] [2023-11-19 07:35:53,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:35:53,742 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:35:53,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:35:53,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:35:53,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:35:53,744 INFO L87 Difference]: Start difference. First operand 161 states and 212 transitions. cyclomatic complexity: 54 Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 07:35:53,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:53,818 INFO L93 Difference]: Finished difference Result 212 states and 267 transitions. [2023-11-19 07:35:53,819 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 212 states and 267 transitions. [2023-11-19 07:35:53,822 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 155 [2023-11-19 07:35:53,828 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 212 states to 212 states and 267 transitions. [2023-11-19 07:35:53,829 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 212 [2023-11-19 07:35:53,831 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 212 [2023-11-19 07:35:53,832 INFO L73 IsDeterministic]: Start isDeterministic. Operand 212 states and 267 transitions. [2023-11-19 07:35:53,839 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:35:53,841 INFO L218 hiAutomatonCegarLoop]: Abstraction has 212 states and 267 transitions. [2023-11-19 07:35:53,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states and 267 transitions. [2023-11-19 07:35:53,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2023-11-19 07:35:53,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 212 states have (on average 1.259433962264151) internal successors, (267), 211 states have internal predecessors, (267), 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 07:35:53,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 267 transitions. [2023-11-19 07:35:53,860 INFO L240 hiAutomatonCegarLoop]: Abstraction has 212 states and 267 transitions. [2023-11-19 07:35:53,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:35:53,864 INFO L428 stractBuchiCegarLoop]: Abstraction has 212 states and 267 transitions. [2023-11-19 07:35:53,864 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-19 07:35:53,870 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 212 states and 267 transitions. [2023-11-19 07:35:53,874 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 155 [2023-11-19 07:35:53,876 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:35:53,877 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:35:53,878 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:35:53,879 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] [2023-11-19 07:35:53,880 INFO L748 eck$LassoCheckResult]: Stem: 968#$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);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 969#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret46#1, main_~retValue_acc~8#1, main_~tmp~8#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 964#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 965#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 1042#valid_product_returnLabel#1 main_#t~ret46#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret46#1;havoc main_#t~ret46#1; 1043#L849 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 1021#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet30#1, test_#t~nondet31#1, test_#t~nondet32#1, test_#t~nondet33#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1022#L499-2 [2023-11-19 07:35:53,880 INFO L750 eck$LassoCheckResult]: Loop: 1022#L499-2 assume !false; 1108#L500 assume test_~splverifierCounter~0#1 < 4; 994#L501 havoc test_#t~nondet30#1;test_~tmp~4#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 995#L509 assume !(0 != test_~tmp~4#1); 1119#L509-2 havoc test_#t~nondet31#1;test_~tmp___0~1#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 1117#L519 assume !(0 != test_~tmp___0~1#1); 1008#L519-2 havoc test_#t~nondet32#1;test_~tmp___2~0#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 1009#L529 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet33#1;test_~tmp___1~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 1115#L537 assume !(0 != test_~tmp___1~0#1); 1004#L537-2 assume { :begin_inline_timeShift } true; 1047#L572 assume !(0 != ~pumpRunning~0); 960#L572-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret34#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 961#L604 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret45#1, isHighWaterLevel_~retValue_acc~7#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~7#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1; 987#L946 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; 950#isHighWaterSensorDry_returnLabel#1 isHighWaterLevel_#t~ret45#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret45#1;havoc isHighWaterLevel_#t~ret45#1; 951#L724 assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~2#1 := 0; 945#L724-2 isHighWaterLevel_~retValue_acc~7#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; 946#isHighWaterLevel_returnLabel#1 processEnvironment_#t~ret34#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret45#1, isHighWaterLevel_~retValue_acc~7#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~5#1 := processEnvironment_#t~ret34#1;havoc processEnvironment_#t~ret34#1; 1023#L608 assume !(0 != processEnvironment_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 941#processEnvironment__wrappee__base_returnLabel#1 assume { :end_inline_processEnvironment__wrappee__base } true; 942#L604-1 havoc processEnvironment_#t~ret34#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 949#L579-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 1114#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1; 1112#L61 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 1110#L61-1 havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 1109#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1022#L499-2 [2023-11-19 07:35:53,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:53,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2023-11-19 07:35:53,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:53,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943819633] [2023-11-19 07:35:53,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:53,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:53,897 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:53,918 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:35:53,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:53,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1808940495, now seen corresponding path program 1 times [2023-11-19 07:35:53,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:53,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052932524] [2023-11-19 07:35:53,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:53,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:53,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:53,935 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:53,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:53,959 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:35:53,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:53,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1682499219, now seen corresponding path program 1 times [2023-11-19 07:35:53,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:53,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065028648] [2023-11-19 07:35:53,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:53,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:53,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:53,985 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:54,020 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:35:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:55,338 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:55,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:35:55 BoogieIcfgContainer [2023-11-19 07:35:55,420 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 07:35:55,421 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:35:55,421 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:35:55,422 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:35:55,422 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:52" (3/4) ... [2023-11-19 07:35:55,424 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-19 07:35:55,510 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_239a9b87-14a4-46eb-abe9-4628a493bd7a/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:35:55,511 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:35:55,511 INFO L158 Benchmark]: Toolchain (without parser) took 4197.98ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 80.1MB in the beginning and 87.7MB in the end (delta: -7.5MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2023-11-19 07:35:55,512 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 111.1MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:35:55,512 INFO L158 Benchmark]: CACSL2BoogieTranslator took 537.07ms. Allocated memory is still 138.4MB. Free memory was 79.8MB in the beginning and 97.5MB in the end (delta: -17.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:35:55,513 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.16ms. Allocated memory is still 138.4MB. Free memory was 97.5MB in the beginning and 95.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:35:55,513 INFO L158 Benchmark]: Boogie Preprocessor took 60.43ms. Allocated memory is still 138.4MB. Free memory was 95.0MB in the beginning and 92.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:35:55,514 INFO L158 Benchmark]: RCFGBuilder took 554.61ms. Allocated memory is still 138.4MB. Free memory was 92.9MB in the beginning and 73.5MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:35:55,514 INFO L158 Benchmark]: BuchiAutomizer took 2883.99ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 73.1MB in the beginning and 90.7MB in the end (delta: -17.6MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2023-11-19 07:35:55,515 INFO L158 Benchmark]: Witness Printer took 89.56ms. Allocated memory is still 167.8MB. Free memory was 90.7MB in the beginning and 87.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:35:55,517 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66ms. Allocated memory is still 111.1MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 537.07ms. Allocated memory is still 138.4MB. Free memory was 79.8MB in the beginning and 97.5MB in the end (delta: -17.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.16ms. Allocated memory is still 138.4MB. Free memory was 97.5MB in the beginning and 95.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.43ms. Allocated memory is still 138.4MB. Free memory was 95.0MB in the beginning and 92.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 554.61ms. Allocated memory is still 138.4MB. Free memory was 92.9MB in the beginning and 73.5MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 2883.99ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 73.1MB in the beginning and 90.7MB in the end (delta: -17.6MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * Witness Printer took 89.56ms. Allocated memory is still 167.8MB. Free memory was 90.7MB in the beginning and 87.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [49] - GenericResultAtLocation [Line: 78]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [78] - GenericResultAtLocation [Line: 444]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [444] - GenericResultAtLocation [Line: 482]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [482] - GenericResultAtLocation [Line: 557]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [557] - GenericResultAtLocation [Line: 757]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [757] - GenericResultAtLocation [Line: 766]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [766] - GenericResultAtLocation [Line: 862]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [862] * 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 212 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 204 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, 952 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 952 mSDsluCounter, 1272 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 980 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 71 IncrementalHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 292 mSDtfsCounter, 71 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: 499]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L248] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L565] int pumpRunning = 0; [L566] int systemActive = 1; [L767] int cleanupTimeShifts = 4; [L863] int waterLevel = 1; [L864] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L840] int retValue_acc ; [L841] int tmp ; [L845] FCALL select_helpers() [L846] FCALL select_features() [L847] CALL, EXPR valid_product() [L474] int retValue_acc ; [L477] retValue_acc = 1 [L478] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L847] RET, EXPR valid_product() [L847] tmp = valid_product() [L849] COND TRUE \read(tmp) [L851] FCALL setup() [L852] CALL runTest() [L834] CALL test() [L490] int splverifierCounter ; [L491] int tmp ; [L492] int tmp___0 ; [L493] int tmp___1 ; [L494] int tmp___2 ; [L497] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L499] COND TRUE 1 [L501] COND TRUE splverifierCounter < 4 [L507] tmp = __VERIFIER_nondet_int() [L509] COND FALSE !(\read(tmp)) [L517] tmp___0 = __VERIFIER_nondet_int() [L519] COND FALSE !(\read(tmp___0)) [L527] tmp___2 = __VERIFIER_nondet_int() [L529] COND FALSE !(\read(tmp___2)) [L535] tmp___1 = __VERIFIER_nondet_int() [L537] COND FALSE !(\read(tmp___1)) [L546] CALL timeShift() [L572] COND FALSE !(\read(pumpRunning)) [L579] COND TRUE \read(systemActive) [L581] CALL processEnvironment() [L601] int tmp ; [L604] COND TRUE ! pumpRunning [L606] CALL, EXPR isHighWaterLevel() [L716] int retValue_acc ; [L717] int tmp ; [L718] int tmp___0 ; [L722] CALL, EXPR isHighWaterSensorDry() [L943] int retValue_acc ; [L946] COND TRUE waterLevel < 2 [L947] retValue_acc = 1 [L948] return (retValue_acc); [L722] RET, EXPR isHighWaterSensorDry() [L722] tmp = isHighWaterSensorDry() [L724] COND TRUE \read(tmp) [L725] tmp___0 = 0 [L729] retValue_acc = tmp___0 [L730] return (retValue_acc); [L606] RET, EXPR isHighWaterLevel() [L606] tmp = isHighWaterLevel() [L608] COND FALSE !(\read(tmp)) [L614] FCALL processEnvironment__wrappee__base() [L581] RET processEnvironment() [L587] CALL __utac_acc__Specification4_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR getWaterLevel() [L934] int retValue_acc ; [L937] retValue_acc = waterLevel [L938] return (retValue_acc); [L59] RET, EXPR getWaterLevel() [L59] tmp = getWaterLevel() [L61] COND FALSE !(tmp == 0) [L587] RET __utac_acc__Specification4_spec__1() [L546] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 499]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L248] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L565] int pumpRunning = 0; [L566] int systemActive = 1; [L767] int cleanupTimeShifts = 4; [L863] int waterLevel = 1; [L864] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L840] int retValue_acc ; [L841] int tmp ; [L845] FCALL select_helpers() [L846] FCALL select_features() [L847] CALL, EXPR valid_product() [L474] int retValue_acc ; [L477] retValue_acc = 1 [L478] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L847] RET, EXPR valid_product() [L847] tmp = valid_product() [L849] COND TRUE \read(tmp) [L851] FCALL setup() [L852] CALL runTest() [L834] CALL test() [L490] int splverifierCounter ; [L491] int tmp ; [L492] int tmp___0 ; [L493] int tmp___1 ; [L494] int tmp___2 ; [L497] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L499] COND TRUE 1 [L501] COND TRUE splverifierCounter < 4 [L507] tmp = __VERIFIER_nondet_int() [L509] COND FALSE !(\read(tmp)) [L517] tmp___0 = __VERIFIER_nondet_int() [L519] COND FALSE !(\read(tmp___0)) [L527] tmp___2 = __VERIFIER_nondet_int() [L529] COND FALSE !(\read(tmp___2)) [L535] tmp___1 = __VERIFIER_nondet_int() [L537] COND FALSE !(\read(tmp___1)) [L546] CALL timeShift() [L572] COND FALSE !(\read(pumpRunning)) [L579] COND TRUE \read(systemActive) [L581] CALL processEnvironment() [L601] int tmp ; [L604] COND TRUE ! pumpRunning [L606] CALL, EXPR isHighWaterLevel() [L716] int retValue_acc ; [L717] int tmp ; [L718] int tmp___0 ; [L722] CALL, EXPR isHighWaterSensorDry() [L943] int retValue_acc ; [L946] COND TRUE waterLevel < 2 [L947] retValue_acc = 1 [L948] return (retValue_acc); [L722] RET, EXPR isHighWaterSensorDry() [L722] tmp = isHighWaterSensorDry() [L724] COND TRUE \read(tmp) [L725] tmp___0 = 0 [L729] retValue_acc = tmp___0 [L730] return (retValue_acc); [L606] RET, EXPR isHighWaterLevel() [L606] tmp = isHighWaterLevel() [L608] COND FALSE !(\read(tmp)) [L614] FCALL processEnvironment__wrappee__base() [L581] RET processEnvironment() [L587] CALL __utac_acc__Specification4_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR getWaterLevel() [L934] int retValue_acc ; [L937] retValue_acc = waterLevel [L938] return (retValue_acc); [L59] RET, EXPR getWaterLevel() [L59] tmp = getWaterLevel() [L61] COND FALSE !(tmp == 0) [L587] RET __utac_acc__Specification4_spec__1() [L546] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 07:35:55,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_239a9b87-14a4-46eb-abe9-4628a493bd7a/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)