./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cf1a7837 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_45ad40a3-36de-45f8-8938-5705f61f0695/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ad40a3-36de-45f8-8938-5705f61f0695/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ad40a3-36de-45f8-8938-5705f61f0695/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ad40a3-36de-45f8-8938-5705f61f0695/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ad40a3-36de-45f8-8938-5705f61f0695/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ad40a3-36de-45f8-8938-5705f61f0695/bin/uautomizer-verify-uTZkv6EMXl --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 68cd47586ea836a40d34f69dc7bca714ffc0af5c5bf2f7fbd8cfbbd6f1019685 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:14:42,931 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:14:43,053 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ad40a3-36de-45f8-8938-5705f61f0695/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-12 02:14:43,058 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:14:43,059 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:14:43,098 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:14:43,100 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:14:43,101 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:14:43,102 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:14:43,107 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:14:43,108 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:14:43,108 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-12 02:14:43,109 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-12 02:14:43,110 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-12 02:14:43,111 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-12 02:14:43,111 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-12 02:14:43,112 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-12 02:14:43,113 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:14:43,113 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-12 02:14:43,114 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:14:43,114 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:14:43,115 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:14:43,115 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:14:43,116 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-12 02:14:43,116 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-12 02:14:43,117 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-12 02:14:43,117 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:14:43,117 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:14:43,118 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:14:43,118 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-12 02:14:43,120 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:14:43,120 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:14:43,120 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:14:43,121 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:14:43,121 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:14:43,121 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-12 02:14:43,122 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_45ad40a3-36de-45f8-8938-5705f61f0695/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ad40a3-36de-45f8-8938-5705f61f0695/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68cd47586ea836a40d34f69dc7bca714ffc0af5c5bf2f7fbd8cfbbd6f1019685 [2023-11-12 02:14:43,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:14:43,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:14:43,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:14:43,458 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:14:43,459 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:14:43,460 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ad40a3-36de-45f8-8938-5705f61f0695/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2023-11-12 02:14:46,548 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:14:46,867 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:14:46,868 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ad40a3-36de-45f8-8938-5705f61f0695/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2023-11-12 02:14:46,887 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ad40a3-36de-45f8-8938-5705f61f0695/bin/uautomizer-verify-uTZkv6EMXl/data/8cfe9116b/b5ebc18cd4b74e888238a7bd6eabf96a/FLAG716ac189d [2023-11-12 02:14:46,906 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ad40a3-36de-45f8-8938-5705f61f0695/bin/uautomizer-verify-uTZkv6EMXl/data/8cfe9116b/b5ebc18cd4b74e888238a7bd6eabf96a [2023-11-12 02:14:46,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:14:46,914 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:14:46,918 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:14:46,919 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:14:46,926 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:14:46,927 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:14:46" (1/1) ... [2023-11-12 02:14:46,930 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17b4250d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:46, skipping insertion in model container [2023-11-12 02:14:46,930 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:14:46" (1/1) ... [2023-11-12 02:14:46,983 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:14:47,314 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:14:47,335 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:14:47,346 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2023-11-12 02:14:47,348 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [87] [2023-11-12 02:14:47,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [116] [2023-11-12 02:14:47,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [188] [2023-11-12 02:14:47,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [426] [2023-11-12 02:14:47,350 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [522] [2023-11-12 02:14:47,350 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [625] [2023-11-12 02:14:47,350 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [634] [2023-11-12 02:14:47,455 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:14:47,481 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:14:47,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:47 WrapperNode [2023-11-12 02:14:47,482 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:14:47,483 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:14:47,484 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:14:47,484 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:14:47,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:47" (1/1) ... [2023-11-12 02:14:47,524 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:47" (1/1) ... [2023-11-12 02:14:47,581 INFO L138 Inliner]: procedures = 57, calls = 103, calls flagged for inlining = 56, calls inlined = 100, statements flattened = 682 [2023-11-12 02:14:47,582 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:14:47,583 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:14:47,583 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:14:47,583 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:14:47,594 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:47" (1/1) ... [2023-11-12 02:14:47,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:47" (1/1) ... [2023-11-12 02:14:47,600 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:47" (1/1) ... [2023-11-12 02:14:47,616 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:47" (1/1) ... [2023-11-12 02:14:47,630 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:47" (1/1) ... [2023-11-12 02:14:47,640 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:47" (1/1) ... [2023-11-12 02:14:47,643 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:47" (1/1) ... [2023-11-12 02:14:47,646 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:47" (1/1) ... [2023-11-12 02:14:47,652 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:14:47,653 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:14:47,653 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:14:47,654 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:14:47,654 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:47" (1/1) ... [2023-11-12 02:14:47,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:14:47,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ad40a3-36de-45f8-8938-5705f61f0695/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:14:47,712 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ad40a3-36de-45f8-8938-5705f61f0695/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:14:47,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ad40a3-36de-45f8-8938-5705f61f0695/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-12 02:14:47,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:14:47,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:14:47,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:14:47,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:14:47,921 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:14:47,924 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:14:48,513 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:14:48,524 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:14:48,524 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 02:14:48,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:14:48 BoogieIcfgContainer [2023-11-12 02:14:48,527 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:14:48,529 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-12 02:14:48,529 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-12 02:14:48,533 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-12 02:14:48,534 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:14:48,534 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 02:14:46" (1/3) ... [2023-11-12 02:14:48,535 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f83c3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:14:48, skipping insertion in model container [2023-11-12 02:14:48,535 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:14:48,536 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:47" (2/3) ... [2023-11-12 02:14:48,536 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f83c3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:14:48, skipping insertion in model container [2023-11-12 02:14:48,536 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:14:48,536 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:14:48" (3/3) ... [2023-11-12 02:14:48,538 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product59.cil.c [2023-11-12 02:14:48,641 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-12 02:14:48,641 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-12 02:14:48,641 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-12 02:14:48,641 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-12 02:14:48,642 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-12 02:14:48,642 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-12 02:14:48,642 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-12 02:14:48,642 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-12 02:14:48,655 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 193 states, 192 states have (on average 1.3541666666666667) internal successors, (260), 192 states have internal predecessors, (260), 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) [2023-11-12 02:14:48,718 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 126 [2023-11-12 02:14:48,718 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:14:48,718 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:14:48,724 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:14:48,724 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:14:48,725 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-12 02:14:48,726 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 193 states, 192 states have (on average 1.3541666666666667) internal successors, (260), 192 states have internal predecessors, (260), 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) [2023-11-12 02:14:48,736 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 126 [2023-11-12 02:14:48,736 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:14:48,736 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:14:48,737 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:14:48,737 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:14:48,743 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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 123#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret25#1, main_~retValue_acc~6#1, main_~tmp~7#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 16#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 170#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 67#valid_product_returnLabel#1true main_#t~ret25#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret25#1;havoc main_#t~ret25#1; 34#L509true assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 49#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 63#L132-2true [2023-11-12 02:14:48,744 INFO L750 eck$LassoCheckResult]: Loop: 63#L132-2true assume !false; 175#L133true assume test_~splverifierCounter~0#1 < 4; 182#L134true havoc test_#t~nondet7#1;test_~tmp~1#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 76#L142true assume !(0 != test_~tmp~1#1); 74#L142-2true havoc test_#t~nondet8#1;test_~tmp___0~1#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 21#L152true assume !(0 != test_~tmp___0~1#1); 153#L152-2true havoc test_#t~nondet9#1;test_~tmp___2~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 116#L162true assume 0 != test_~tmp___2~0#1; 103#L168-2true assume { :begin_inline_timeShift } true; 80#L204true assume !(0 != ~pumpRunning~0); 75#L204-2true assume !(0 != ~systemActive~0); 173#L211-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#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~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; 136#getWaterLevel_returnLabel#1true __utac_acc__Specification4_spec__1_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret5#1;havoc __utac_acc__Specification4_spec__1_#t~ret5#1; 81#L99true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 33#L99-1true havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#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; 137#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 63#L132-2true [2023-11-12 02:14:48,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:14:48,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2023-11-12 02:14:48,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:14:48,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782948367] [2023-11-12 02:14:48,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:48,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:14:48,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:14:48,907 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:14:48,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:14:48,966 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:14:48,969 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:14:48,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1086894886, now seen corresponding path program 1 times [2023-11-12 02:14:48,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:14:48,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476352807] [2023-11-12 02:14:48,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:48,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:14:48,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:14:48,989 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:14:48,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:14:49,002 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:14:49,008 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:14:49,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1852653334, now seen corresponding path program 1 times [2023-11-12 02:14:49,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:14:49,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295061650] [2023-11-12 02:14:49,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:49,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:14:49,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:49,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:14:49,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:14:49,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295061650] [2023-11-12 02:14:49,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295061650] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:14:49,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:14:49,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:14:49,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112977454] [2023-11-12 02:14:49,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:14:49,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:14:49,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:14:49,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:14:49,556 INFO L87 Difference]: Start difference. First operand has 193 states, 192 states have (on average 1.3541666666666667) internal successors, (260), 192 states have internal predecessors, (260), 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 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:49,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:14:49,777 INFO L93 Difference]: Finished difference Result 431 states and 563 transitions. [2023-11-12 02:14:49,778 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 431 states and 563 transitions. [2023-11-12 02:14:49,789 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 279 [2023-11-12 02:14:49,799 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 431 states to 401 states and 533 transitions. [2023-11-12 02:14:49,800 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 401 [2023-11-12 02:14:49,803 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 401 [2023-11-12 02:14:49,804 INFO L73 IsDeterministic]: Start isDeterministic. Operand 401 states and 533 transitions. [2023-11-12 02:14:49,807 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:14:49,807 INFO L218 hiAutomatonCegarLoop]: Abstraction has 401 states and 533 transitions. [2023-11-12 02:14:49,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states and 533 transitions. [2023-11-12 02:14:49,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 229. [2023-11-12 02:14:49,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 229 states have (on average 1.3275109170305677) internal successors, (304), 228 states have internal predecessors, (304), 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) [2023-11-12 02:14:49,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 304 transitions. [2023-11-12 02:14:49,853 INFO L240 hiAutomatonCegarLoop]: Abstraction has 229 states and 304 transitions. [2023-11-12 02:14:49,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:14:49,858 INFO L428 stractBuchiCegarLoop]: Abstraction has 229 states and 304 transitions. [2023-11-12 02:14:49,858 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-12 02:14:49,858 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 229 states and 304 transitions. [2023-11-12 02:14:49,862 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 160 [2023-11-12 02:14:49,862 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:14:49,862 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:14:49,863 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:14:49,863 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] [2023-11-12 02:14:49,864 INFO L748 eck$LassoCheckResult]: Stem: 707#$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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 708#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret25#1, main_~retValue_acc~6#1, main_~tmp~7#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 699#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 700#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 793#valid_product_returnLabel#1 main_#t~ret25#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret25#1;havoc main_#t~ret25#1; 746#L509 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 747#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 763#L132-2 [2023-11-12 02:14:49,864 INFO L750 eck$LassoCheckResult]: Loop: 763#L132-2 assume !false; 789#L133 assume test_~splverifierCounter~0#1 < 4; 810#L134 havoc test_#t~nondet7#1;test_~tmp~1#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 803#L142 assume !(0 != test_~tmp~1#1); 681#L142-2 havoc test_#t~nondet8#1;test_~tmp___0~1#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 711#L152 assume !(0 != test_~tmp___0~1#1); 713#L152-2 havoc test_#t~nondet9#1;test_~tmp___2~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 716#L162 assume 0 != test_~tmp___2~0#1; 653#L168-2 assume { :begin_inline_timeShift } true; 659#L204 assume !(0 != ~pumpRunning~0); 788#L204-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 752#L262 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2#1; 754#L236-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 644#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 645#L236-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret11#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 696#L262-1 havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true; 703#L211-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#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~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; 761#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret5#1;havoc __utac_acc__Specification4_spec__1_#t~ret5#1; 762#L99 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 744#L99-1 havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#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; 745#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 763#L132-2 [2023-11-12 02:14:49,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:14:49,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2023-11-12 02:14:49,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:14:49,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081652988] [2023-11-12 02:14:49,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:49,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:14:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:14:49,876 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:14:49,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:14:49,886 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:14:49,887 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:14:49,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1122656476, now seen corresponding path program 1 times [2023-11-12 02:14:49,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:14:49,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870939817] [2023-11-12 02:14:49,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:49,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:14:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:49,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:14:49,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:14:49,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870939817] [2023-11-12 02:14:49,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870939817] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:14:49,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:14:49,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:14:49,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112820534] [2023-11-12 02:14:49,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:14:49,913 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-12 02:14:49,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:14:49,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:14:49,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:14:49,915 INFO L87 Difference]: Start difference. First operand 229 states and 304 transitions. cyclomatic complexity: 78 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2023-11-12 02:14:49,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:14:49,989 INFO L93 Difference]: Finished difference Result 285 states and 361 transitions. [2023-11-12 02:14:49,989 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 285 states and 361 transitions. [2023-11-12 02:14:49,993 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 203 [2023-11-12 02:14:49,996 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 285 states to 285 states and 361 transitions. [2023-11-12 02:14:49,996 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 285 [2023-11-12 02:14:49,997 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 285 [2023-11-12 02:14:49,998 INFO L73 IsDeterministic]: Start isDeterministic. Operand 285 states and 361 transitions. [2023-11-12 02:14:49,999 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:14:50,000 INFO L218 hiAutomatonCegarLoop]: Abstraction has 285 states and 361 transitions. [2023-11-12 02:14:50,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states and 361 transitions. [2023-11-12 02:14:50,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 285. [2023-11-12 02:14:50,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 285 states have (on average 1.2666666666666666) internal successors, (361), 284 states have internal predecessors, (361), 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) [2023-11-12 02:14:50,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 361 transitions. [2023-11-12 02:14:50,016 INFO L240 hiAutomatonCegarLoop]: Abstraction has 285 states and 361 transitions. [2023-11-12 02:14:50,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:14:50,017 INFO L428 stractBuchiCegarLoop]: Abstraction has 285 states and 361 transitions. [2023-11-12 02:14:50,017 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-12 02:14:50,017 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 285 states and 361 transitions. [2023-11-12 02:14:50,020 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 203 [2023-11-12 02:14:50,020 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:14:50,020 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:14:50,021 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:14:50,022 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] [2023-11-12 02:14:50,022 INFO L748 eck$LassoCheckResult]: Stem: 1226#$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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 1227#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret25#1, main_~retValue_acc~6#1, main_~tmp~7#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 1220#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1221#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 1322#valid_product_returnLabel#1 main_#t~ret25#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret25#1;havoc main_#t~ret25#1; 1266#L509 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 1267#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1294#L132-2 [2023-11-12 02:14:50,022 INFO L750 eck$LassoCheckResult]: Loop: 1294#L132-2 assume !false; 1435#L133 assume test_~splverifierCounter~0#1 < 4; 1436#L134 havoc test_#t~nondet7#1;test_~tmp~1#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 1445#L142 assume !(0 != test_~tmp~1#1); 1443#L142-2 havoc test_#t~nondet8#1;test_~tmp___0~1#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 1417#L152 assume !(0 != test_~tmp___0~1#1); 1319#L152-2 havoc test_#t~nondet9#1;test_~tmp___2~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 1235#L162 assume 0 != test_~tmp___2~0#1; 1171#L168-2 assume { :begin_inline_timeShift } true; 1177#L204 assume !(0 != ~pumpRunning~0); 1330#L204-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 1273#L262 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2#1; 1274#L236-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret23#1, isHighWaterLevel_~retValue_acc~4#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~4#1;havoc isHighWaterLevel_~tmp~5#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~9#1;havoc isHighWaterSensorDry_~retValue_acc~9#1; 1278#L606-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1; 1253#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret23#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~9#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5#1 := isHighWaterLevel_#t~ret23#1;havoc isHighWaterLevel_#t~ret23#1; 1233#L382-3 assume 0 != isHighWaterLevel_~tmp~5#1;isHighWaterLevel_~tmp___0~2#1 := 0; 1234#L382-5 isHighWaterLevel_~retValue_acc~4#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~4#1; 1311#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret11#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret23#1, isHighWaterLevel_~retValue_acc~4#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~2#1 := processEnvironment__wrappee__highWaterSensor_#t~ret11#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11#1; 1202#L240-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~2#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1204#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 1216#L236-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret11#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1217#L262-1 havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true; 1224#L211-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#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~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; 1282#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret5#1;havoc __utac_acc__Specification4_spec__1_#t~ret5#1; 1283#L99 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 1438#L99-1 havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#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; 1437#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1294#L132-2 [2023-11-12 02:14:50,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:14:50,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2023-11-12 02:14:50,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:14:50,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804843646] [2023-11-12 02:14:50,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:50,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:14:50,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:14:50,033 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:14:50,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:14:50,043 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:14:50,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:14:50,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1041208756, now seen corresponding path program 1 times [2023-11-12 02:14:50,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:14:50,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024476694] [2023-11-12 02:14:50,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:50,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:14:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:14:50,059 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:14:50,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:14:50,114 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:14:50,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:14:50,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1416496496, now seen corresponding path program 1 times [2023-11-12 02:14:50,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:14:50,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138182381] [2023-11-12 02:14:50,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:50,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:14:50,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:14:50,141 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:14:50,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:14:50,174 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:14:51,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:14:51,316 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:14:51,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:14:51,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 02:14:51 BoogieIcfgContainer [2023-11-12 02:14:51,374 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-12 02:14:51,374 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:14:51,374 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:14:51,375 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:14:51,375 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:14:48" (3/4) ... [2023-11-12 02:14:51,376 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-12 02:14:51,429 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ad40a3-36de-45f8-8938-5705f61f0695/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:14:51,429 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:14:51,430 INFO L158 Benchmark]: Toolchain (without parser) took 4515.60ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 128.5MB in the beginning and 100.6MB in the end (delta: 27.8MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. [2023-11-12 02:14:51,430 INFO L158 Benchmark]: CDTParser took 0.70ms. Allocated memory is still 119.5MB. Free memory is still 78.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:14:51,431 INFO L158 Benchmark]: CACSL2BoogieTranslator took 564.63ms. Allocated memory is still 159.4MB. Free memory was 128.5MB in the beginning and 109.0MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 02:14:51,431 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.76ms. Allocated memory is still 159.4MB. Free memory was 109.0MB in the beginning and 105.4MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:14:51,431 INFO L158 Benchmark]: Boogie Preprocessor took 69.34ms. Allocated memory is still 159.4MB. Free memory was 105.4MB in the beginning and 102.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:14:51,432 INFO L158 Benchmark]: RCFGBuilder took 874.46ms. Allocated memory is still 159.4MB. Free memory was 102.7MB in the beginning and 76.0MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-12 02:14:51,432 INFO L158 Benchmark]: BuchiAutomizer took 2845.13ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 76.0MB in the beginning and 103.7MB in the end (delta: -27.7MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2023-11-12 02:14:51,433 INFO L158 Benchmark]: Witness Printer took 54.79ms. Allocated memory is still 192.9MB. Free memory was 102.7MB in the beginning and 100.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:14:51,435 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70ms. Allocated memory is still 119.5MB. Free memory is still 78.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 564.63ms. Allocated memory is still 159.4MB. Free memory was 128.5MB in the beginning and 109.0MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.76ms. Allocated memory is still 159.4MB. Free memory was 109.0MB in the beginning and 105.4MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.34ms. Allocated memory is still 159.4MB. Free memory was 105.4MB in the beginning and 102.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 874.46ms. Allocated memory is still 159.4MB. Free memory was 102.7MB in the beginning and 76.0MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 2845.13ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 76.0MB in the beginning and 103.7MB in the end (delta: -27.7MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Witness Printer took 54.79ms. Allocated memory is still 192.9MB. Free memory was 102.7MB in the beginning and 100.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [87] - GenericResultAtLocation [Line: 116]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [116] - GenericResultAtLocation [Line: 188]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [188] - GenericResultAtLocation [Line: 426]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [426] - GenericResultAtLocation [Line: 522]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [522] - GenericResultAtLocation [Line: 625]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [625] - GenericResultAtLocation [Line: 634]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [634] * 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 285 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 172 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, 1326 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1326 mSDsluCounter, 1502 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1032 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 70 IncrementalHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 470 mSDtfsCounter, 70 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: 132]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L197] int pumpRunning = 0; [L198] int systemActive = 1; [L427] int cleanupTimeShifts = 4; [L523] int waterLevel = 1; [L524] int methaneLevelCritical = 0; [L804] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L500] int retValue_acc ; [L501] int tmp ; [L505] FCALL select_helpers() [L506] FCALL select_features() [L507] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L507] RET, EXPR valid_product() [L507] tmp = valid_product() [L509] COND TRUE \read(tmp) [L511] FCALL setup() [L512] CALL runTest() [L494] CALL test() [L123] int splverifierCounter ; [L124] int tmp ; [L125] int tmp___0 ; [L126] int tmp___1 ; [L127] int tmp___2 ; [L130] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L132] COND TRUE 1 [L134] COND TRUE splverifierCounter < 4 [L140] tmp = __VERIFIER_nondet_int() [L142] COND FALSE !(\read(tmp)) [L150] tmp___0 = __VERIFIER_nondet_int() [L152] COND FALSE !(\read(tmp___0)) [L160] tmp___2 = __VERIFIER_nondet_int() [L162] COND TRUE \read(tmp___2) [L177] CALL timeShift() [L204] COND FALSE !(\read(pumpRunning)) [L211] COND TRUE \read(systemActive) [L213] CALL processEnvironment() [L259] int tmp ; [L262] COND FALSE !(\read(pumpRunning)) [L277] CALL processEnvironment__wrappee__highWaterSensor() [L233] int tmp ; [L236] COND TRUE ! pumpRunning [L238] CALL, EXPR isHighWaterLevel() [L374] int retValue_acc ; [L375] int tmp ; [L376] int tmp___0 ; [L380] CALL, EXPR isHighWaterSensorDry() [L603] int retValue_acc ; [L606] COND TRUE waterLevel < 2 [L607] retValue_acc = 1 [L608] return (retValue_acc); [L380] RET, EXPR isHighWaterSensorDry() [L380] tmp = isHighWaterSensorDry() [L382] COND TRUE \read(tmp) [L383] tmp___0 = 0 [L387] retValue_acc = tmp___0 [L388] return (retValue_acc); [L238] RET, EXPR isHighWaterLevel() [L238] tmp = isHighWaterLevel() [L240] COND FALSE !(\read(tmp)) [L246] FCALL processEnvironment__wrappee__base() [L277] RET processEnvironment__wrappee__highWaterSensor() [L213] RET processEnvironment() [L219] CALL __utac_acc__Specification4_spec__1() [L92] int tmp ; [L93] int tmp___0 ; [L97] CALL, EXPR getWaterLevel() [L594] int retValue_acc ; [L597] retValue_acc = waterLevel [L598] return (retValue_acc); [L97] RET, EXPR getWaterLevel() [L97] tmp = getWaterLevel() [L99] COND FALSE !(tmp == 0) [L219] RET __utac_acc__Specification4_spec__1() [L177] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 132]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L197] int pumpRunning = 0; [L198] int systemActive = 1; [L427] int cleanupTimeShifts = 4; [L523] int waterLevel = 1; [L524] int methaneLevelCritical = 0; [L804] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L500] int retValue_acc ; [L501] int tmp ; [L505] FCALL select_helpers() [L506] FCALL select_features() [L507] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L507] RET, EXPR valid_product() [L507] tmp = valid_product() [L509] COND TRUE \read(tmp) [L511] FCALL setup() [L512] CALL runTest() [L494] CALL test() [L123] int splverifierCounter ; [L124] int tmp ; [L125] int tmp___0 ; [L126] int tmp___1 ; [L127] int tmp___2 ; [L130] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L132] COND TRUE 1 [L134] COND TRUE splverifierCounter < 4 [L140] tmp = __VERIFIER_nondet_int() [L142] COND FALSE !(\read(tmp)) [L150] tmp___0 = __VERIFIER_nondet_int() [L152] COND FALSE !(\read(tmp___0)) [L160] tmp___2 = __VERIFIER_nondet_int() [L162] COND TRUE \read(tmp___2) [L177] CALL timeShift() [L204] COND FALSE !(\read(pumpRunning)) [L211] COND TRUE \read(systemActive) [L213] CALL processEnvironment() [L259] int tmp ; [L262] COND FALSE !(\read(pumpRunning)) [L277] CALL processEnvironment__wrappee__highWaterSensor() [L233] int tmp ; [L236] COND TRUE ! pumpRunning [L238] CALL, EXPR isHighWaterLevel() [L374] int retValue_acc ; [L375] int tmp ; [L376] int tmp___0 ; [L380] CALL, EXPR isHighWaterSensorDry() [L603] int retValue_acc ; [L606] COND TRUE waterLevel < 2 [L607] retValue_acc = 1 [L608] return (retValue_acc); [L380] RET, EXPR isHighWaterSensorDry() [L380] tmp = isHighWaterSensorDry() [L382] COND TRUE \read(tmp) [L383] tmp___0 = 0 [L387] retValue_acc = tmp___0 [L388] return (retValue_acc); [L238] RET, EXPR isHighWaterLevel() [L238] tmp = isHighWaterLevel() [L240] COND FALSE !(\read(tmp)) [L246] FCALL processEnvironment__wrappee__base() [L277] RET processEnvironment__wrappee__highWaterSensor() [L213] RET processEnvironment() [L219] CALL __utac_acc__Specification4_spec__1() [L92] int tmp ; [L93] int tmp___0 ; [L97] CALL, EXPR getWaterLevel() [L594] int retValue_acc ; [L597] retValue_acc = waterLevel [L598] return (retValue_acc); [L97] RET, EXPR getWaterLevel() [L97] tmp = getWaterLevel() [L99] COND FALSE !(tmp == 0) [L219] RET __utac_acc__Specification4_spec__1() [L177] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-12 02:14:51,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ad40a3-36de-45f8-8938-5705f61f0695/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)