./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product49.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_303214bc-f452-4989-852b-9ca66adb6b0b/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303214bc-f452-4989-852b-9ca66adb6b0b/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_303214bc-f452-4989-852b-9ca66adb6b0b/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303214bc-f452-4989-852b-9ca66adb6b0b/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303214bc-f452-4989-852b-9ca66adb6b0b/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_303214bc-f452-4989-852b-9ca66adb6b0b/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 8ebbbe9395fd7f6497497f0e6f84282075bb296e20acc9821d0fb2d7075b331d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:48:42,281 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:48:42,385 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303214bc-f452-4989-852b-9ca66adb6b0b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 07:48:42,392 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:48:42,393 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:48:42,432 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:48:42,433 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:48:42,434 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:48:42,435 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:48:42,440 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:48:42,441 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:48:42,442 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:48:42,442 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:48:42,444 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:48:42,445 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:48:42,445 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:48:42,445 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:48:42,446 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:48:42,447 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:48:42,447 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:48:42,447 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:48:42,448 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:48:42,448 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:48:42,449 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:48:42,449 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:48:42,449 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:48:42,450 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:48:42,450 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:48:42,451 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:48:42,451 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:48:42,452 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:48:42,452 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:48:42,453 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:48:42,453 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:48:42,453 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:48:42,454 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:48:42,454 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_303214bc-f452-4989-852b-9ca66adb6b0b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303214bc-f452-4989-852b-9ca66adb6b0b/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ebbbe9395fd7f6497497f0e6f84282075bb296e20acc9821d0fb2d7075b331d [2023-11-19 07:48:42,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:48:42,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:48:42,822 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:48:42,823 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:48:42,824 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:48:42,825 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303214bc-f452-4989-852b-9ca66adb6b0b/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c [2023-11-19 07:48:45,863 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:48:46,099 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:48:46,100 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303214bc-f452-4989-852b-9ca66adb6b0b/sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c [2023-11-19 07:48:46,123 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303214bc-f452-4989-852b-9ca66adb6b0b/bin/uautomizer-verify-uCwYo4JHxu/data/0f4d9629e/0bb9323905b049f4ae59dcbd25817078/FLAG68506c438 [2023-11-19 07:48:46,138 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303214bc-f452-4989-852b-9ca66adb6b0b/bin/uautomizer-verify-uCwYo4JHxu/data/0f4d9629e/0bb9323905b049f4ae59dcbd25817078 [2023-11-19 07:48:46,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:48:46,142 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:48:46,143 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:48:46,144 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:48:46,149 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:48:46,150 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:48:46" (1/1) ... [2023-11-19 07:48:46,151 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cbab8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:46, skipping insertion in model container [2023-11-19 07:48:46,152 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:48:46" (1/1) ... [2023-11-19 07:48:46,197 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:48:46,469 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:48:46,486 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:48:46,499 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2023-11-19 07:48:46,501 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [155] [2023-11-19 07:48:46,501 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [264] [2023-11-19 07:48:46,501 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [305] [2023-11-19 07:48:46,502 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [370] [2023-11-19 07:48:46,502 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [569] [2023-11-19 07:48:46,502 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [935] [2023-11-19 07:48:46,503 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [944] [2023-11-19 07:48:46,614 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:48:46,669 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:48:46,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:46 WrapperNode [2023-11-19 07:48:46,670 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:48:46,671 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:48:46,671 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:48:46,671 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:48:46,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:46" (1/1) ... [2023-11-19 07:48:46,704 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:46" (1/1) ... [2023-11-19 07:48:46,779 INFO L138 Inliner]: procedures = 56, calls = 100, calls flagged for inlining = 53, calls inlined = 81, statements flattened = 565 [2023-11-19 07:48:46,784 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:48:46,785 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:48:46,786 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:48:46,786 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:48:46,795 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:46" (1/1) ... [2023-11-19 07:48:46,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:46" (1/1) ... [2023-11-19 07:48:46,813 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:46" (1/1) ... [2023-11-19 07:48:46,818 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:46" (1/1) ... [2023-11-19 07:48:46,828 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:46" (1/1) ... [2023-11-19 07:48:46,852 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:46" (1/1) ... [2023-11-19 07:48:46,868 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:46" (1/1) ... [2023-11-19 07:48:46,870 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:46" (1/1) ... [2023-11-19 07:48:46,874 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:48:46,881 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:48:46,881 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:48:46,882 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:48:46,882 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:46" (1/1) ... [2023-11-19 07:48:46,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:48:46,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303214bc-f452-4989-852b-9ca66adb6b0b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:48:46,914 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303214bc-f452-4989-852b-9ca66adb6b0b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:48:46,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303214bc-f452-4989-852b-9ca66adb6b0b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:48:46,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:48:46,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:48:46,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:48:46,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:48:47,046 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:48:47,048 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:48:47,536 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:48:47,547 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:48:47,548 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 07:48:47,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:47 BoogieIcfgContainer [2023-11-19 07:48:47,561 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:48:47,562 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:48:47,562 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:48:47,566 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:48:47,567 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:48:47,567 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:48:46" (1/3) ... [2023-11-19 07:48:47,568 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c141111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:48:47, skipping insertion in model container [2023-11-19 07:48:47,568 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:48:47,568 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:46" (2/3) ... [2023-11-19 07:48:47,569 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c141111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:48:47, skipping insertion in model container [2023-11-19 07:48:47,569 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:48:47,569 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:47" (3/3) ... [2023-11-19 07:48:47,570 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product49.cil.c [2023-11-19 07:48:47,646 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:48:47,647 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:48:47,647 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:48:47,648 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:48:47,649 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:48:47,649 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:48:47,649 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:48:47,649 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:48:47,659 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 169 states, 168 states have (on average 1.380952380952381) internal successors, (232), 168 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:48:47,706 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 108 [2023-11-19 07:48:47,707 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:48:47,708 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:48:47,716 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:47,716 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:47,717 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:48:47,720 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 169 states, 168 states have (on average 1.380952380952381) internal successors, (232), 168 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:48:47,737 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 108 [2023-11-19 07:48:47,742 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:48:47,742 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:48:47,745 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:47,746 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:47,753 INFO L748 eck$LassoCheckResult]: Stem: 38#$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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 50#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 27#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 143#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~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 119#valid_product_returnLabel#1true main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 134#L142true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 96#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 140#__utac_acc__Specification2_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#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; 103#L316-2true [2023-11-19 07:48:47,755 INFO L750 eck$LassoCheckResult]: Loop: 103#L316-2true assume !false; 7#L317true assume test_~splverifierCounter~0#1 < 4; 162#L318true havoc test_#t~nondet12#1;test_~tmp~2#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 34#L326true assume !(0 != test_~tmp~2#1); 21#L326-2true havoc test_#t~nondet13#1;test_~tmp___0~1#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 107#L336true assume !(0 != test_~tmp___0~1#1); 108#L336-2true havoc test_#t~nondet14#1;test_~tmp___2~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 60#L346true assume 0 != test_~tmp___2~0#1; 32#L352-2true assume { :begin_inline_timeShift } true; 98#L380true assume !(0 != ~pumpRunning~0); 150#L380-2true assume !(0 != ~systemActive~0); 113#L387-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 159#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification2_spec__2_#t~ret10#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret10#1;havoc __utac_acc__Specification2_spec__2_#t~ret10#1; 86#L284true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 65#L284-1true havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 87#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 103#L316-2true [2023-11-19 07:48:47,761 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:47,762 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2023-11-19 07:48:47,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:47,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221826205] [2023-11-19 07:48:47,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:47,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:47,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:48:47,915 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:48:47,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:48:47,980 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:48:47,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:47,986 INFO L85 PathProgramCache]: Analyzing trace with hash -444969492, now seen corresponding path program 1 times [2023-11-19 07:48:47,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:47,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414322685] [2023-11-19 07:48:47,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:47,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:48,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:48:48,011 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:48:48,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:48:48,033 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:48:48,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:48,035 INFO L85 PathProgramCache]: Analyzing trace with hash -607256875, now seen corresponding path program 1 times [2023-11-19 07:48:48,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:48,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776389136] [2023-11-19 07:48:48,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:48,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:48,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:48,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:48:48,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:48,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776389136] [2023-11-19 07:48:48,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776389136] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:48,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:48,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:48:48,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670593750] [2023-11-19 07:48:48,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:48,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:48,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:48:48,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:48:48,596 INFO L87 Difference]: Start difference. First operand has 169 states, 168 states have (on average 1.380952380952381) internal successors, (232), 168 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:48:48,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:48,672 INFO L93 Difference]: Finished difference Result 163 states and 215 transitions. [2023-11-19 07:48:48,673 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 163 states and 215 transitions. [2023-11-19 07:48:48,677 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102 [2023-11-19 07:48:48,682 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 163 states to 153 states and 205 transitions. [2023-11-19 07:48:48,683 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 153 [2023-11-19 07:48:48,684 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 153 [2023-11-19 07:48:48,685 INFO L73 IsDeterministic]: Start isDeterministic. Operand 153 states and 205 transitions. [2023-11-19 07:48:48,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:48:48,686 INFO L218 hiAutomatonCegarLoop]: Abstraction has 153 states and 205 transitions. [2023-11-19 07:48:48,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states and 205 transitions. [2023-11-19 07:48:48,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2023-11-19 07:48:48,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 153 states have (on average 1.3398692810457515) internal successors, (205), 152 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:48:48,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 205 transitions. [2023-11-19 07:48:48,733 INFO L240 hiAutomatonCegarLoop]: Abstraction has 153 states and 205 transitions. [2023-11-19 07:48:48,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:48:48,738 INFO L428 stractBuchiCegarLoop]: Abstraction has 153 states and 205 transitions. [2023-11-19 07:48:48,738 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:48:48,738 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 153 states and 205 transitions. [2023-11-19 07:48:48,740 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102 [2023-11-19 07:48:48,740 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:48:48,740 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:48:48,741 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:48,741 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] [2023-11-19 07:48:48,742 INFO L748 eck$LassoCheckResult]: Stem: 410#$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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 411#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 391#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 392#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~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 489#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 490#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 473#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 474#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#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; 466#L316-2 [2023-11-19 07:48:48,742 INFO L750 eck$LassoCheckResult]: Loop: 466#L316-2 assume !false; 356#L317 assume test_~splverifierCounter~0#1 < 4; 357#L318 havoc test_#t~nondet12#1;test_~tmp~2#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 405#L326 assume !(0 != test_~tmp~2#1); 373#L326-2 havoc test_#t~nondet13#1;test_~tmp___0~1#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 380#L336 assume !(0 != test_~tmp___0~1#1); 482#L336-2 havoc test_#t~nondet14#1;test_~tmp___2~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 437#L346 assume 0 != test_~tmp___2~0#1; 402#L352-2 assume { :begin_inline_timeShift } true; 403#L380 assume !(0 != ~pumpRunning~0); 371#L380-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret17#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 495#L438 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret16#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3#1; 447#L412-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 352#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 353#L412-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret16#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 427#L438-1 havoc processEnvironment_#t~ret17#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true; 428#L387-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 485#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification2_spec__2_#t~ret10#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret10#1;havoc __utac_acc__Specification2_spec__2_#t~ret10#1; 464#L284 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 400#L284-1 havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 446#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 466#L316-2 [2023-11-19 07:48:48,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:48,742 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2023-11-19 07:48:48,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:48,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407628018] [2023-11-19 07:48:48,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:48,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:48,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:48:48,753 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:48:48,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:48:48,762 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:48:48,762 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:48,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1323258803, now seen corresponding path program 1 times [2023-11-19 07:48:48,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:48,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392169535] [2023-11-19 07:48:48,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:48,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:48,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:48:48,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:48,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392169535] [2023-11-19 07:48:48,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392169535] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:48,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:48,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:48:48,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948698659] [2023-11-19 07:48:48,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:48,792 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:48:48,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:48,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:48:48,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:48:48,794 INFO L87 Difference]: Start difference. First operand 153 states and 205 transitions. cyclomatic complexity: 54 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) [2023-11-19 07:48:48,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:48,862 INFO L93 Difference]: Finished difference Result 211 states and 273 transitions. [2023-11-19 07:48:48,862 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 211 states and 273 transitions. [2023-11-19 07:48:48,865 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 146 [2023-11-19 07:48:48,867 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 211 states to 211 states and 273 transitions. [2023-11-19 07:48:48,868 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 211 [2023-11-19 07:48:48,868 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 211 [2023-11-19 07:48:48,868 INFO L73 IsDeterministic]: Start isDeterministic. Operand 211 states and 273 transitions. [2023-11-19 07:48:48,870 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:48:48,870 INFO L218 hiAutomatonCegarLoop]: Abstraction has 211 states and 273 transitions. [2023-11-19 07:48:48,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states and 273 transitions. [2023-11-19 07:48:48,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2023-11-19 07:48:48,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 211 states have (on average 1.2938388625592416) internal successors, (273), 210 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:48:48,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 273 transitions. [2023-11-19 07:48:48,881 INFO L240 hiAutomatonCegarLoop]: Abstraction has 211 states and 273 transitions. [2023-11-19 07:48:48,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:48:48,883 INFO L428 stractBuchiCegarLoop]: Abstraction has 211 states and 273 transitions. [2023-11-19 07:48:48,883 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-19 07:48:48,883 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 211 states and 273 transitions. [2023-11-19 07:48:48,885 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 146 [2023-11-19 07:48:48,885 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:48:48,885 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:48:48,886 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:48,886 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] [2023-11-19 07:48:48,887 INFO L748 eck$LassoCheckResult]: Stem: 778#$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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 779#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 759#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 760#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~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 863#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 864#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 843#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 844#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#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; 837#L316-2 [2023-11-19 07:48:48,887 INFO L750 eck$LassoCheckResult]: Loop: 837#L316-2 assume !false; 724#L317 assume test_~splverifierCounter~0#1 < 4; 725#L318 havoc test_#t~nondet12#1;test_~tmp~2#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 772#L326 assume !(0 != test_~tmp~2#1); 739#L326-2 havoc test_#t~nondet13#1;test_~tmp___0~1#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 748#L336 assume !(0 != test_~tmp___0~1#1); 855#L336-2 havoc test_#t~nondet14#1;test_~tmp___2~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 805#L346 assume 0 != test_~tmp___2~0#1; 767#L352-2 assume { :begin_inline_timeShift } true; 768#L380 assume !(0 != ~pumpRunning~0); 846#L380-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret17#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 868#L438 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret16#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3#1; 817#L412-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret27#1, isHighWaterLevel_~retValue_acc~7#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~7#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~3#1;havoc isHighWaterSensorDry_~retValue_acc~3#1; 774#L245-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~3#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; 775#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret27#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~3#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5#1 := isHighWaterLevel_#t~ret27#1;havoc isHighWaterLevel_#t~ret27#1; 795#L540-3 assume 0 != isHighWaterLevel_~tmp~5#1;isHighWaterLevel_~tmp___0~2#1 := 0; 873#L540-5 isHighWaterLevel_~retValue_acc~7#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; 874#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret16#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret27#1, isHighWaterLevel_~retValue_acc~7#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~3#1 := processEnvironment__wrappee__highWaterSensor_#t~ret16#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret16#1; 848#L416-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 788#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 789#L412-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret16#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 796#L438-1 havoc processEnvironment_#t~ret17#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true; 797#L387-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 859#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification2_spec__2_#t~ret10#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret10#1;havoc __utac_acc__Specification2_spec__2_#t~ret10#1; 835#L284 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 770#L284-1 havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 816#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 837#L316-2 [2023-11-19 07:48:48,887 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:48,888 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2023-11-19 07:48:48,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:48,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143625676] [2023-11-19 07:48:48,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:48,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:48,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:48:48,905 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:48:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:48:48,913 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:48:48,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:48,914 INFO L85 PathProgramCache]: Analyzing trace with hash -577074171, now seen corresponding path program 1 times [2023-11-19 07:48:48,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:48,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687716917] [2023-11-19 07:48:48,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:48,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:48,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:48:48,939 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:48:48,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:48:48,957 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:48:48,958 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:48,958 INFO L85 PathProgramCache]: Analyzing trace with hash -406298756, now seen corresponding path program 1 times [2023-11-19 07:48:48,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:48,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304616800] [2023-11-19 07:48:48,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:48,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:48,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:48:48,981 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:48:48,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:48:48,997 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:48:50,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:48:50,281 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:48:50,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:48:50,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:48:50 BoogieIcfgContainer [2023-11-19 07:48:50,334 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 07:48:50,335 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:48:50,335 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:48:50,335 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:48:50,336 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:47" (3/4) ... [2023-11-19 07:48:50,337 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-19 07:48:50,390 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303214bc-f452-4989-852b-9ca66adb6b0b/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:48:50,390 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:48:50,391 INFO L158 Benchmark]: Toolchain (without parser) took 4249.19ms. Allocated memory was 127.9MB in the beginning and 182.5MB in the end (delta: 54.5MB). Free memory was 82.3MB in the beginning and 109.5MB in the end (delta: -27.2MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2023-11-19 07:48:50,392 INFO L158 Benchmark]: CDTParser took 0.65ms. Allocated memory is still 98.6MB. Free memory is still 50.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:48:50,392 INFO L158 Benchmark]: CACSL2BoogieTranslator took 526.68ms. Allocated memory is still 127.9MB. Free memory was 82.0MB in the beginning and 97.4MB in the end (delta: -15.4MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2023-11-19 07:48:50,393 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.89ms. Allocated memory was 127.9MB in the beginning and 182.5MB in the end (delta: 54.5MB). Free memory was 97.4MB in the beginning and 154.3MB in the end (delta: -57.0MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. [2023-11-19 07:48:50,393 INFO L158 Benchmark]: Boogie Preprocessor took 94.99ms. Allocated memory is still 182.5MB. Free memory was 154.3MB in the beginning and 151.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:48:50,393 INFO L158 Benchmark]: RCFGBuilder took 679.92ms. Allocated memory is still 182.5MB. Free memory was 151.2MB in the beginning and 127.1MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 07:48:50,394 INFO L158 Benchmark]: BuchiAutomizer took 2772.55ms. Allocated memory is still 182.5MB. Free memory was 126.0MB in the beginning and 112.7MB in the end (delta: 13.3MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2023-11-19 07:48:50,394 INFO L158 Benchmark]: Witness Printer took 55.66ms. Allocated memory is still 182.5MB. Free memory was 112.7MB in the beginning and 109.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:48:50,396 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65ms. Allocated memory is still 98.6MB. Free memory is still 50.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 526.68ms. Allocated memory is still 127.9MB. Free memory was 82.0MB in the beginning and 97.4MB in the end (delta: -15.4MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.89ms. Allocated memory was 127.9MB in the beginning and 182.5MB in the end (delta: 54.5MB). Free memory was 97.4MB in the beginning and 154.3MB in the end (delta: -57.0MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.99ms. Allocated memory is still 182.5MB. Free memory was 154.3MB in the beginning and 151.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 679.92ms. Allocated memory is still 182.5MB. Free memory was 151.2MB in the beginning and 127.1MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 2772.55ms. Allocated memory is still 182.5MB. Free memory was 126.0MB in the beginning and 112.7MB in the end (delta: 13.3MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * Witness Printer took 55.66ms. Allocated memory is still 182.5MB. Free memory was 112.7MB in the beginning and 109.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] - GenericResultAtLocation [Line: 155]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [155] - GenericResultAtLocation [Line: 264]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [264] - GenericResultAtLocation [Line: 305]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [305] - GenericResultAtLocation [Line: 370]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [370] - GenericResultAtLocation [Line: 569]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [569] - GenericResultAtLocation [Line: 935]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [935] - GenericResultAtLocation [Line: 944]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [944] * 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 211 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 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, 969 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 969 mSDsluCounter, 524 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 106 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39 IncrementalHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 418 mSDtfsCounter, 39 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: 316]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L162] int waterLevel = 1; [L163] int methaneLevelCritical = 0; [L267] int methAndRunningLastTime ; [L373] int pumpRunning = 0; [L374] int systemActive = 1; [L739] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L971] int retValue_acc ; [L974] retValue_acc = 1 [L975] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L140] RET, EXPR valid_product() [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L144] FCALL setup() [L145] CALL runTest() [L123] CALL __utac_acc__Specification2_spec__1() [L272] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L123] RET __utac_acc__Specification2_spec__1() [L124] CALL test() [L307] int splverifierCounter ; [L308] int tmp ; [L309] int tmp___0 ; [L310] int tmp___1 ; [L311] int tmp___2 ; [L314] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L316] COND TRUE 1 [L318] COND TRUE splverifierCounter < 4 [L324] tmp = __VERIFIER_nondet_int() [L326] COND FALSE !(\read(tmp)) [L334] tmp___0 = __VERIFIER_nondet_int() [L336] COND FALSE !(\read(tmp___0)) [L344] tmp___2 = __VERIFIER_nondet_int() [L346] COND TRUE \read(tmp___2) [L359] CALL timeShift() [L380] COND FALSE !(\read(pumpRunning)) [L387] COND TRUE \read(systemActive) [L389] CALL processEnvironment() [L435] int tmp ; [L438] COND FALSE !(\read(pumpRunning)) [L453] CALL processEnvironment__wrappee__highWaterSensor() [L409] int tmp ; [L412] COND TRUE ! pumpRunning [L414] CALL, EXPR isHighWaterLevel() [L532] int retValue_acc ; [L533] int tmp ; [L534] int tmp___0 ; [L538] CALL, EXPR isHighWaterSensorDry() [L242] int retValue_acc ; [L245] COND TRUE waterLevel < 2 [L246] retValue_acc = 1 [L247] return (retValue_acc); [L538] RET, EXPR isHighWaterSensorDry() [L538] tmp = isHighWaterSensorDry() [L540] COND TRUE \read(tmp) [L541] tmp___0 = 0 [L545] retValue_acc = tmp___0 [L546] return (retValue_acc); [L414] RET, EXPR isHighWaterLevel() [L414] tmp = isHighWaterLevel() [L416] COND FALSE !(\read(tmp)) [L422] FCALL processEnvironment__wrappee__base() [L453] RET processEnvironment__wrappee__highWaterSensor() [L389] RET processEnvironment() [L395] CALL __utac_acc__Specification2_spec__2() [L277] int tmp ; [L278] int tmp___0 ; [L282] CALL, EXPR isMethaneLevelCritical() [L201] int retValue_acc ; [L204] retValue_acc = methaneLevelCritical [L205] return (retValue_acc); [L282] RET, EXPR isMethaneLevelCritical() [L282] tmp = isMethaneLevelCritical() [L284] COND FALSE !(\read(tmp)) [L300] methAndRunningLastTime = 0 [L395] RET __utac_acc__Specification2_spec__2() [L359] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 316]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L162] int waterLevel = 1; [L163] int methaneLevelCritical = 0; [L267] int methAndRunningLastTime ; [L373] int pumpRunning = 0; [L374] int systemActive = 1; [L739] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L971] int retValue_acc ; [L974] retValue_acc = 1 [L975] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L140] RET, EXPR valid_product() [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L144] FCALL setup() [L145] CALL runTest() [L123] CALL __utac_acc__Specification2_spec__1() [L272] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L123] RET __utac_acc__Specification2_spec__1() [L124] CALL test() [L307] int splverifierCounter ; [L308] int tmp ; [L309] int tmp___0 ; [L310] int tmp___1 ; [L311] int tmp___2 ; [L314] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L316] COND TRUE 1 [L318] COND TRUE splverifierCounter < 4 [L324] tmp = __VERIFIER_nondet_int() [L326] COND FALSE !(\read(tmp)) [L334] tmp___0 = __VERIFIER_nondet_int() [L336] COND FALSE !(\read(tmp___0)) [L344] tmp___2 = __VERIFIER_nondet_int() [L346] COND TRUE \read(tmp___2) [L359] CALL timeShift() [L380] COND FALSE !(\read(pumpRunning)) [L387] COND TRUE \read(systemActive) [L389] CALL processEnvironment() [L435] int tmp ; [L438] COND FALSE !(\read(pumpRunning)) [L453] CALL processEnvironment__wrappee__highWaterSensor() [L409] int tmp ; [L412] COND TRUE ! pumpRunning [L414] CALL, EXPR isHighWaterLevel() [L532] int retValue_acc ; [L533] int tmp ; [L534] int tmp___0 ; [L538] CALL, EXPR isHighWaterSensorDry() [L242] int retValue_acc ; [L245] COND TRUE waterLevel < 2 [L246] retValue_acc = 1 [L247] return (retValue_acc); [L538] RET, EXPR isHighWaterSensorDry() [L538] tmp = isHighWaterSensorDry() [L540] COND TRUE \read(tmp) [L541] tmp___0 = 0 [L545] retValue_acc = tmp___0 [L546] return (retValue_acc); [L414] RET, EXPR isHighWaterLevel() [L414] tmp = isHighWaterLevel() [L416] COND FALSE !(\read(tmp)) [L422] FCALL processEnvironment__wrappee__base() [L453] RET processEnvironment__wrappee__highWaterSensor() [L389] RET processEnvironment() [L395] CALL __utac_acc__Specification2_spec__2() [L277] int tmp ; [L278] int tmp___0 ; [L282] CALL, EXPR isMethaneLevelCritical() [L201] int retValue_acc ; [L204] retValue_acc = methaneLevelCritical [L205] return (retValue_acc); [L282] RET, EXPR isMethaneLevelCritical() [L282] tmp = isMethaneLevelCritical() [L284] COND FALSE !(\read(tmp)) [L300] methAndRunningLastTime = 0 [L395] RET __utac_acc__Specification2_spec__2() [L359] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 07:48:50,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_303214bc-f452-4989-852b-9ca66adb6b0b/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)