./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product36.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c269bd7a-7435-4cc6-b959-22693da2f45e/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c269bd7a-7435-4cc6-b959-22693da2f45e/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_c269bd7a-7435-4cc6-b959-22693da2f45e/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c269bd7a-7435-4cc6-b959-22693da2f45e/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product36.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c269bd7a-7435-4cc6-b959-22693da2f45e/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_c269bd7a-7435-4cc6-b959-22693da2f45e/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 dae9a870dcbd894d53325794bcd1e36e0da0523a0c6f117be41bebebda51818a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:34:36,468 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:34:36,535 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c269bd7a-7435-4cc6-b959-22693da2f45e/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 07:34:36,541 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:34:36,542 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:34:36,567 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:34:36,568 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:34:36,569 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:34:36,570 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:34:36,571 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:34:36,571 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:34:36,572 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:34:36,573 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:34:36,573 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:34:36,574 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:34:36,574 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:34:36,575 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:34:36,575 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:34:36,576 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:34:36,576 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:34:36,577 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:34:36,577 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:34:36,578 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:34:36,578 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:34:36,579 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:34:36,579 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:34:36,579 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:34:36,580 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:34:36,580 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:34:36,581 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:34:36,581 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:34:36,582 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:34:36,582 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:34:36,583 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:34:36,583 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:34:36,584 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:34:36,584 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_c269bd7a-7435-4cc6-b959-22693da2f45e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c269bd7a-7435-4cc6-b959-22693da2f45e/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dae9a870dcbd894d53325794bcd1e36e0da0523a0c6f117be41bebebda51818a [2023-11-19 07:34:36,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:34:36,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:34:36,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:34:36,853 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:34:36,854 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:34:36,855 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c269bd7a-7435-4cc6-b959-22693da2f45e/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec1_product36.cil.c [2023-11-19 07:34:39,864 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:34:40,201 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:34:40,202 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c269bd7a-7435-4cc6-b959-22693da2f45e/sv-benchmarks/c/product-lines/minepump_spec1_product36.cil.c [2023-11-19 07:34:40,219 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c269bd7a-7435-4cc6-b959-22693da2f45e/bin/uautomizer-verify-uCwYo4JHxu/data/a6807bb6c/84ae77ecb1e6472e89b6b719524ed93e/FLAG4f90e86e4 [2023-11-19 07:34:40,240 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c269bd7a-7435-4cc6-b959-22693da2f45e/bin/uautomizer-verify-uCwYo4JHxu/data/a6807bb6c/84ae77ecb1e6472e89b6b719524ed93e [2023-11-19 07:34:40,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:34:40,251 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:34:40,252 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:34:40,253 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:34:40,258 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:34:40,259 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:34:40" (1/1) ... [2023-11-19 07:34:40,260 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b1aa518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:40, skipping insertion in model container [2023-11-19 07:34:40,260 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:34:40" (1/1) ... [2023-11-19 07:34:40,316 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:34:40,616 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:34:40,641 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:34:40,652 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2023-11-19 07:34:40,653 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [58] [2023-11-19 07:34:40,654 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [245] [2023-11-19 07:34:40,654 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [342] [2023-11-19 07:34:40,654 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [412] [2023-11-19 07:34:40,654 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [450] [2023-11-19 07:34:40,655 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [816] [2023-11-19 07:34:40,655 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [842] [2023-11-19 07:34:40,748 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:34:40,770 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:34:40,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:40 WrapperNode [2023-11-19 07:34:40,771 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:34:40,772 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:34:40,773 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:34:40,773 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:34:40,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:40" (1/1) ... [2023-11-19 07:34:40,795 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:40" (1/1) ... [2023-11-19 07:34:40,836 INFO L138 Inliner]: procedures = 54, calls = 97, calls flagged for inlining = 50, calls inlined = 53, statements flattened = 349 [2023-11-19 07:34:40,837 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:34:40,838 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:34:40,838 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:34:40,838 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:34:40,848 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:40" (1/1) ... [2023-11-19 07:34:40,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:40" (1/1) ... [2023-11-19 07:34:40,868 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:40" (1/1) ... [2023-11-19 07:34:40,869 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:40" (1/1) ... [2023-11-19 07:34:40,877 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:40" (1/1) ... [2023-11-19 07:34:40,882 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:40" (1/1) ... [2023-11-19 07:34:40,904 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:40" (1/1) ... [2023-11-19 07:34:40,906 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:40" (1/1) ... [2023-11-19 07:34:40,909 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:34:40,910 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:34:40,911 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:34:40,911 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:34:40,912 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:40" (1/1) ... [2023-11-19 07:34:40,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:34:40,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c269bd7a-7435-4cc6-b959-22693da2f45e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:34:40,963 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c269bd7a-7435-4cc6-b959-22693da2f45e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:34:40,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c269bd7a-7435-4cc6-b959-22693da2f45e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:34:41,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:34:41,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:34:41,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:34:41,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:34:41,148 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:34:41,150 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:34:41,520 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:34:41,531 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:34:41,531 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 07:34:41,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:34:41 BoogieIcfgContainer [2023-11-19 07:34:41,536 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:34:41,538 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:34:41,538 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:34:41,542 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:34:41,543 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:34:41,544 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:34:40" (1/3) ... [2023-11-19 07:34:41,545 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72b06761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:34:41, skipping insertion in model container [2023-11-19 07:34:41,545 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:34:41,545 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:40" (2/3) ... [2023-11-19 07:34:41,546 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72b06761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:34:41, skipping insertion in model container [2023-11-19 07:34:41,546 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:34:41,546 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:34:41" (3/3) ... [2023-11-19 07:34:41,548 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product36.cil.c [2023-11-19 07:34:41,621 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:34:41,622 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:34:41,622 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:34:41,622 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:34:41,622 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:34:41,623 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:34:41,623 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:34:41,623 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:34:41,629 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 113 states, 112 states have (on average 1.3660714285714286) internal successors, (153), 112 states have internal predecessors, (153), 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 07:34:41,656 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2023-11-19 07:34:41,657 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:34:41,657 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:34:41,664 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:34:41,664 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 07:34:41,665 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:34:41,665 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 113 states, 112 states have (on average 1.3660714285714286) internal successors, (153), 112 states have internal predecessors, (153), 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 07:34:41,674 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2023-11-19 07:34:41,674 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:34:41,674 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:34:41,675 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:34:41,676 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 07:34:41,682 INFO L748 eck$LassoCheckResult]: Stem: 30#$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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 38#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 26#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 92#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 83#valid_product_returnLabel#1true main_#t~ret50#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 74#L925true assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 63#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 35#L354-2true [2023-11-19 07:34:41,683 INFO L750 eck$LassoCheckResult]: Loop: 35#L354-2true assume !false; 32#L355true assume test_~splverifierCounter~0#1 < 4; 80#L356true havoc test_#t~nondet20#1;test_~tmp~2#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 110#L364true assume !(0 != test_~tmp~2#1); 4#L364-2true havoc test_#t~nondet21#1;test_~tmp___0~1#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 114#L374true assume !(0 != test_~tmp___0~1#1); 19#L374-2true havoc test_#t~nondet22#1;test_~tmp___2~0#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 112#L384true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 50#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 16#L392-2true assume { :begin_inline_timeShift } true; 24#L78true assume !(0 != ~pumpRunning~0); 42#L78-2true assume !(0 != ~systemActive~0); 48#L85-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 101#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification1_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret48#1;havoc __utac_acc__Specification1_spec__1_#t~ret48#1; 104#L825true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1); 18#L825-1true havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 56#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 35#L354-2true [2023-11-19 07:34:41,717 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:34:41,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2023-11-19 07:34:41,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:34:41,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923835909] [2023-11-19 07:34:41,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:41,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:34:41,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:34:41,858 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:34:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:34:41,911 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:34:41,915 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:34:41,916 INFO L85 PathProgramCache]: Analyzing trace with hash 489249539, now seen corresponding path program 1 times [2023-11-19 07:34:41,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:34:41,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714933094] [2023-11-19 07:34:41,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:41,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:34:41,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:34:42,072 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 07:34:42,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:34:42,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714933094] [2023-11-19 07:34:42,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714933094] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:34:42,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:34:42,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:34:42,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272902819] [2023-11-19 07:34:42,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:34:42,082 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:34:42,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:34:42,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:34:42,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:34:42,148 INFO L87 Difference]: Start difference. First operand has 113 states, 112 states have (on average 1.3660714285714286) internal successors, (153), 112 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:34:42,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:34:42,256 INFO L93 Difference]: Finished difference Result 205 states and 267 transitions. [2023-11-19 07:34:42,258 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 205 states and 267 transitions. [2023-11-19 07:34:42,265 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 132 [2023-11-19 07:34:42,271 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 205 states to 185 states and 246 transitions. [2023-11-19 07:34:42,273 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 185 [2023-11-19 07:34:42,274 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 185 [2023-11-19 07:34:42,275 INFO L73 IsDeterministic]: Start isDeterministic. Operand 185 states and 246 transitions. [2023-11-19 07:34:42,276 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:34:42,277 INFO L218 hiAutomatonCegarLoop]: Abstraction has 185 states and 246 transitions. [2023-11-19 07:34:42,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states and 246 transitions. [2023-11-19 07:34:42,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 182. [2023-11-19 07:34:42,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 182 states have (on average 1.3296703296703296) internal successors, (242), 181 states have internal predecessors, (242), 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 07:34:42,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 242 transitions. [2023-11-19 07:34:42,324 INFO L240 hiAutomatonCegarLoop]: Abstraction has 182 states and 242 transitions. [2023-11-19 07:34:42,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:34:42,329 INFO L428 stractBuchiCegarLoop]: Abstraction has 182 states and 242 transitions. [2023-11-19 07:34:42,329 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:34:42,330 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 182 states and 242 transitions. [2023-11-19 07:34:42,333 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 129 [2023-11-19 07:34:42,334 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:34:42,334 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:34:42,335 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:34:42,335 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 07:34:42,335 INFO L748 eck$LassoCheckResult]: Stem: 371#$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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 372#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 366#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 367#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 418#valid_product_returnLabel#1 main_#t~ret50#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 412#L925 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 402#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 403#L354-2 [2023-11-19 07:34:42,335 INFO L750 eck$LassoCheckResult]: Loop: 403#L354-2 assume !false; 468#L355 assume test_~splverifierCounter~0#1 < 4; 469#L356 havoc test_#t~nondet20#1;test_~tmp~2#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 502#L364 assume !(0 != test_~tmp~2#1); 500#L364-2 havoc test_#t~nondet21#1;test_~tmp___0~1#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 498#L374 assume !(0 != test_~tmp___0~1#1); 496#L374-2 havoc test_#t~nondet22#1;test_~tmp___2~0#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 495#L384 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 392#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 393#L392-2 assume { :begin_inline_timeShift } true; 490#L78 assume !(0 != ~pumpRunning~0); 487#L78-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret4#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1; 484#L110 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 481#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 479#L110-1 havoc processEnvironment_#t~ret4#1, processEnvironment_~tmp~0#1;assume { :end_inline_processEnvironment } true; 478#L85-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 477#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification1_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret48#1;havoc __utac_acc__Specification1_spec__1_#t~ret48#1; 475#L825 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1); 473#L825-1 havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 472#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 403#L354-2 [2023-11-19 07:34:42,336 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:34:42,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2023-11-19 07:34:42,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:34:42,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016141365] [2023-11-19 07:34:42,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:42,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:34:42,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:34:42,353 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:34:42,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:34:42,371 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:34:42,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:34:42,372 INFO L85 PathProgramCache]: Analyzing trace with hash -563662091, now seen corresponding path program 1 times [2023-11-19 07:34:42,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:34:42,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092389328] [2023-11-19 07:34:42,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:42,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:34:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:34:42,408 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 07:34:42,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:34:42,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092389328] [2023-11-19 07:34:42,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092389328] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:34:42,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:34:42,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:34:42,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772954732] [2023-11-19 07:34:42,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:34:42,410 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:34:42,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:34:42,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:34:42,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:34:42,412 INFO L87 Difference]: Start difference. First operand 182 states and 242 transitions. cyclomatic complexity: 63 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 07:34:42,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:34:42,479 INFO L93 Difference]: Finished difference Result 288 states and 371 transitions. [2023-11-19 07:34:42,479 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 288 states and 371 transitions. [2023-11-19 07:34:42,484 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 211 [2023-11-19 07:34:42,488 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 288 states to 288 states and 371 transitions. [2023-11-19 07:34:42,488 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 288 [2023-11-19 07:34:42,489 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 288 [2023-11-19 07:34:42,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 288 states and 371 transitions. [2023-11-19 07:34:42,491 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:34:42,491 INFO L218 hiAutomatonCegarLoop]: Abstraction has 288 states and 371 transitions. [2023-11-19 07:34:42,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states and 371 transitions. [2023-11-19 07:34:42,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2023-11-19 07:34:42,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 288 states have (on average 1.2881944444444444) internal successors, (371), 287 states have internal predecessors, (371), 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 07:34:42,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 371 transitions. [2023-11-19 07:34:42,513 INFO L240 hiAutomatonCegarLoop]: Abstraction has 288 states and 371 transitions. [2023-11-19 07:34:42,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:34:42,514 INFO L428 stractBuchiCegarLoop]: Abstraction has 288 states and 371 transitions. [2023-11-19 07:34:42,515 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-19 07:34:42,515 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 288 states and 371 transitions. [2023-11-19 07:34:42,518 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 211 [2023-11-19 07:34:42,518 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:34:42,518 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:34:42,519 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:34:42,519 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:34:42,520 INFO L748 eck$LassoCheckResult]: Stem: 846#$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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 847#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 842#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 843#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 907#valid_product_returnLabel#1 main_#t~ret50#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 900#L925 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 887#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 857#L354-2 [2023-11-19 07:34:42,520 INFO L750 eck$LassoCheckResult]: Loop: 857#L354-2 assume !false; 850#L355 assume test_~splverifierCounter~0#1 < 4; 851#L356 havoc test_#t~nondet20#1;test_~tmp~2#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 904#L364 assume !(0 != test_~tmp~2#1); 805#L364-2 havoc test_#t~nondet21#1;test_~tmp___0~1#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 806#L374 assume !(0 != test_~tmp___0~1#1); 849#L374-2 havoc test_#t~nondet22#1;test_~tmp___2~0#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 998#L384 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet23#1;test_~tmp___1~0#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 997#L392 assume !(0 != test_~tmp___1~0#1); 876#L392-2 assume { :begin_inline_timeShift } true; 996#L78 assume !(0 != ~pumpRunning~0); 985#L78-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret4#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1; 995#L110 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret14#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~1#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~1#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;havoc isHighWaterSensorDry_~retValue_acc~5#1; 994#L332 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; 993#isHighWaterSensorDry_returnLabel#1 isHighWaterLevel_#t~ret14#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~1#1 := isHighWaterLevel_#t~ret14#1;havoc isHighWaterLevel_#t~ret14#1; 892#L212 assume 0 != isHighWaterLevel_~tmp~1#1;isHighWaterLevel_~tmp___0~0#1 := 0; 893#L212-2 isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; 926#isHighWaterLevel_returnLabel#1 processEnvironment_#t~ret4#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret14#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~1#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~0#1 := processEnvironment_#t~ret4#1;havoc processEnvironment_#t~ret4#1; 873#L114 assume !(0 != processEnvironment_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 816#processEnvironment__wrappee__base_returnLabel#1 assume { :end_inline_processEnvironment__wrappee__base } true; 817#L110-1 havoc processEnvironment_#t~ret4#1, processEnvironment_~tmp~0#1;assume { :end_inline_processEnvironment } true; 836#L85-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 872#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification1_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret48#1;havoc __utac_acc__Specification1_spec__1_#t~ret48#1; 922#L825 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1); 821#L825-1 havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 831#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 857#L354-2 [2023-11-19 07:34:42,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:34:42,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2023-11-19 07:34:42,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:34:42,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356049084] [2023-11-19 07:34:42,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:42,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:34:42,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:34:42,536 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:34:42,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:34:42,552 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:34:42,553 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:34:42,553 INFO L85 PathProgramCache]: Analyzing trace with hash -45058097, now seen corresponding path program 1 times [2023-11-19 07:34:42,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:34:42,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644202564] [2023-11-19 07:34:42,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:42,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:34:42,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:34:42,575 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:34:42,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:34:42,588 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:34:42,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:34:42,589 INFO L85 PathProgramCache]: Analyzing trace with hash -171499373, now seen corresponding path program 1 times [2023-11-19 07:34:42,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:34:42,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146442950] [2023-11-19 07:34:42,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:42,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:34:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:34:42,611 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:34:42,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:34:42,654 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:34:44,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:34:44,096 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:34:44,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:34:44,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:34:44 BoogieIcfgContainer [2023-11-19 07:34:44,174 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 07:34:44,175 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:34:44,175 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:34:44,176 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:34:44,176 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:34:41" (3/4) ... [2023-11-19 07:34:44,177 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-19 07:34:44,255 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c269bd7a-7435-4cc6-b959-22693da2f45e/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:34:44,255 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:34:44,258 INFO L158 Benchmark]: Toolchain (without parser) took 4005.28ms. Allocated memory was 176.2MB in the beginning and 222.3MB in the end (delta: 46.1MB). Free memory was 146.6MB in the beginning and 145.1MB in the end (delta: 1.5MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. [2023-11-19 07:34:44,259 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 113.2MB. Free memory is still 63.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:34:44,259 INFO L158 Benchmark]: CACSL2BoogieTranslator took 518.88ms. Allocated memory is still 176.2MB. Free memory was 146.1MB in the beginning and 127.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:34:44,260 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.68ms. Allocated memory is still 176.2MB. Free memory was 127.2MB in the beginning and 124.5MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:34:44,261 INFO L158 Benchmark]: Boogie Preprocessor took 72.08ms. Allocated memory is still 176.2MB. Free memory was 124.5MB in the beginning and 123.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:34:44,261 INFO L158 Benchmark]: RCFGBuilder took 626.15ms. Allocated memory is still 176.2MB. Free memory was 123.0MB in the beginning and 104.6MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:34:44,262 INFO L158 Benchmark]: BuchiAutomizer took 2636.74ms. Allocated memory was 176.2MB in the beginning and 222.3MB in the end (delta: 46.1MB). Free memory was 104.6MB in the beginning and 148.2MB in the end (delta: -43.6MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2023-11-19 07:34:44,262 INFO L158 Benchmark]: Witness Printer took 80.57ms. Allocated memory is still 222.3MB. Free memory was 148.2MB in the beginning and 145.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:34:44,264 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 113.2MB. Free memory is still 63.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 518.88ms. Allocated memory is still 176.2MB. Free memory was 146.1MB in the beginning and 127.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.68ms. Allocated memory is still 176.2MB. Free memory was 127.2MB in the beginning and 124.5MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.08ms. Allocated memory is still 176.2MB. Free memory was 124.5MB in the beginning and 123.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 626.15ms. Allocated memory is still 176.2MB. Free memory was 123.0MB in the beginning and 104.6MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 2636.74ms. Allocated memory was 176.2MB in the beginning and 222.3MB in the end (delta: 46.1MB). Free memory was 104.6MB in the beginning and 148.2MB in the end (delta: -43.6MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. * Witness Printer took 80.57ms. Allocated memory is still 222.3MB. Free memory was 148.2MB in the beginning and 145.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [58] - GenericResultAtLocation [Line: 245]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [245] - GenericResultAtLocation [Line: 342]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [342] - GenericResultAtLocation [Line: 412]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [412] - GenericResultAtLocation [Line: 450]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [450] - GenericResultAtLocation [Line: 816]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [816] - GenericResultAtLocation [Line: 842]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [842] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 288 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 230 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 230 mSDsluCounter, 474 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 195 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32 IncrementalHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 279 mSDtfsCounter, 32 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 354]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L70] int pumpRunning = 0; [L71] int systemActive = 1; [L249] int waterLevel = 1; [L250] int methaneLevelCritical = 0; [L620] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L843] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L916] int retValue_acc ; [L917] int tmp ; [L921] FCALL select_helpers() [L922] FCALL select_features() [L923] CALL, EXPR valid_product() [L442] int retValue_acc ; [L445] retValue_acc = 1 [L446] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L923] RET, EXPR valid_product() [L923] tmp = valid_product() [L925] COND TRUE \read(tmp) [L927] FCALL setup() [L928] CALL runTest() [L910] CALL test() [L345] int splverifierCounter ; [L346] int tmp ; [L347] int tmp___0 ; [L348] int tmp___1 ; [L349] int tmp___2 ; [L352] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L354] COND TRUE 1 [L356] COND TRUE splverifierCounter < 4 [L362] tmp = __VERIFIER_nondet_int() [L364] COND FALSE !(\read(tmp)) [L372] tmp___0 = __VERIFIER_nondet_int() [L374] COND FALSE !(\read(tmp___0)) [L382] tmp___2 = __VERIFIER_nondet_int() [L384] COND FALSE !(\read(tmp___2)) [L390] tmp___1 = __VERIFIER_nondet_int() [L392] COND FALSE !(\read(tmp___1)) [L401] CALL timeShift() [L78] COND FALSE !(\read(pumpRunning)) [L85] COND TRUE \read(systemActive) [L87] CALL processEnvironment() [L107] int tmp ; [L110] COND TRUE ! pumpRunning [L112] CALL, EXPR isHighWaterLevel() [L204] int retValue_acc ; [L205] int tmp ; [L206] int tmp___0 ; [L210] CALL, EXPR isHighWaterSensorDry() [L329] int retValue_acc ; [L332] COND TRUE waterLevel < 2 [L333] retValue_acc = 1 [L334] return (retValue_acc); [L210] RET, EXPR isHighWaterSensorDry() [L210] tmp = isHighWaterSensorDry() [L212] COND TRUE \read(tmp) [L213] tmp___0 = 0 [L217] retValue_acc = tmp___0 [L218] return (retValue_acc); [L112] RET, EXPR isHighWaterLevel() [L112] tmp = isHighWaterLevel() [L114] COND FALSE !(\read(tmp)) [L120] FCALL processEnvironment__wrappee__base() [L87] RET processEnvironment() [L93] CALL __utac_acc__Specification1_spec__1() [L818] int tmp ; [L819] int tmp___0 ; [L823] CALL, EXPR isMethaneLevelCritical() [L288] int retValue_acc ; [L291] retValue_acc = methaneLevelCritical [L292] return (retValue_acc); [L823] RET, EXPR isMethaneLevelCritical() [L823] tmp = isMethaneLevelCritical() [L825] COND FALSE !(\read(tmp)) [L93] RET __utac_acc__Specification1_spec__1() [L401] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 354]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L70] int pumpRunning = 0; [L71] int systemActive = 1; [L249] int waterLevel = 1; [L250] int methaneLevelCritical = 0; [L620] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L843] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L916] int retValue_acc ; [L917] int tmp ; [L921] FCALL select_helpers() [L922] FCALL select_features() [L923] CALL, EXPR valid_product() [L442] int retValue_acc ; [L445] retValue_acc = 1 [L446] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L923] RET, EXPR valid_product() [L923] tmp = valid_product() [L925] COND TRUE \read(tmp) [L927] FCALL setup() [L928] CALL runTest() [L910] CALL test() [L345] int splverifierCounter ; [L346] int tmp ; [L347] int tmp___0 ; [L348] int tmp___1 ; [L349] int tmp___2 ; [L352] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L354] COND TRUE 1 [L356] COND TRUE splverifierCounter < 4 [L362] tmp = __VERIFIER_nondet_int() [L364] COND FALSE !(\read(tmp)) [L372] tmp___0 = __VERIFIER_nondet_int() [L374] COND FALSE !(\read(tmp___0)) [L382] tmp___2 = __VERIFIER_nondet_int() [L384] COND FALSE !(\read(tmp___2)) [L390] tmp___1 = __VERIFIER_nondet_int() [L392] COND FALSE !(\read(tmp___1)) [L401] CALL timeShift() [L78] COND FALSE !(\read(pumpRunning)) [L85] COND TRUE \read(systemActive) [L87] CALL processEnvironment() [L107] int tmp ; [L110] COND TRUE ! pumpRunning [L112] CALL, EXPR isHighWaterLevel() [L204] int retValue_acc ; [L205] int tmp ; [L206] int tmp___0 ; [L210] CALL, EXPR isHighWaterSensorDry() [L329] int retValue_acc ; [L332] COND TRUE waterLevel < 2 [L333] retValue_acc = 1 [L334] return (retValue_acc); [L210] RET, EXPR isHighWaterSensorDry() [L210] tmp = isHighWaterSensorDry() [L212] COND TRUE \read(tmp) [L213] tmp___0 = 0 [L217] retValue_acc = tmp___0 [L218] return (retValue_acc); [L112] RET, EXPR isHighWaterLevel() [L112] tmp = isHighWaterLevel() [L114] COND FALSE !(\read(tmp)) [L120] FCALL processEnvironment__wrappee__base() [L87] RET processEnvironment() [L93] CALL __utac_acc__Specification1_spec__1() [L818] int tmp ; [L819] int tmp___0 ; [L823] CALL, EXPR isMethaneLevelCritical() [L288] int retValue_acc ; [L291] retValue_acc = methaneLevelCritical [L292] return (retValue_acc); [L823] RET, EXPR isMethaneLevelCritical() [L823] tmp = isMethaneLevelCritical() [L825] COND FALSE !(\read(tmp)) [L93] RET __utac_acc__Specification1_spec__1() [L401] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 07:34:44,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c269bd7a-7435-4cc6-b959-22693da2f45e/bin/uautomizer-verify-uCwYo4JHxu/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)