./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product19.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c15e7d-f74e-4a62-9283-1a706286212c/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c15e7d-f74e-4a62-9283-1a706286212c/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c15e7d-f74e-4a62-9283-1a706286212c/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c15e7d-f74e-4a62-9283-1a706286212c/bin/uautomizer-verify-jihMAELWvX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product19.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c15e7d-f74e-4a62-9283-1a706286212c/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c15e7d-f74e-4a62-9283-1a706286212c/bin/uautomizer-verify-jihMAELWvX --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 310c99156af564276fd2307b8bd19d77055bd9a88be466df2e869c4dbf78e36f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:24:38,764 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:24:38,857 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c15e7d-f74e-4a62-9283-1a706286212c/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-08 19:24:38,867 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:24:38,867 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:24:38,920 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:24:38,921 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:24:38,921 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:24:38,922 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:24:38,923 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:24:38,924 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:24:38,925 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:24:38,926 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:24:38,928 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-08 19:24:38,929 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-08 19:24:38,929 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-08 19:24:38,930 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-08 19:24:38,934 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-08 19:24:38,935 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-08 19:24:38,935 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:24:38,936 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-08 19:24:38,938 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:24:38,939 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:24:38,940 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:24:38,940 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:24:38,940 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-08 19:24:38,941 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-08 19:24:38,941 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-08 19:24:38,942 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:24:38,942 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:24:38,943 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:24:38,943 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:24:38,944 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-08 19:24:38,944 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:24:38,944 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:24:38,945 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:24:38,947 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:24:38,947 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 19:24:38,948 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-08 19:24:38,948 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_d7c15e7d-f74e-4a62-9283-1a706286212c/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c15e7d-f74e-4a62-9283-1a706286212c/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 310c99156af564276fd2307b8bd19d77055bd9a88be466df2e869c4dbf78e36f [2024-11-08 19:24:39,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:24:39,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:24:39,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:24:39,314 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:24:39,314 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:24:39,316 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c15e7d-f74e-4a62-9283-1a706286212c/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/product-lines/minepump_spec3_product19.cil.c Unable to find full path for "g++" [2024-11-08 19:24:41,712 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:24:42,005 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:24:42,006 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c15e7d-f74e-4a62-9283-1a706286212c/sv-benchmarks/c/product-lines/minepump_spec3_product19.cil.c [2024-11-08 19:24:42,022 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c15e7d-f74e-4a62-9283-1a706286212c/bin/uautomizer-verify-jihMAELWvX/data/6b6873154/c49efb150152420cbe616512959d75b9/FLAGbf49f1abd [2024-11-08 19:24:42,040 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c15e7d-f74e-4a62-9283-1a706286212c/bin/uautomizer-verify-jihMAELWvX/data/6b6873154/c49efb150152420cbe616512959d75b9 [2024-11-08 19:24:42,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:24:42,047 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:24:42,052 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:24:42,052 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:24:42,062 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:24:42,063 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:24:42" (1/1) ... [2024-11-08 19:24:42,064 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fc80593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:42, skipping insertion in model container [2024-11-08 19:24:42,065 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:24:42" (1/1) ... [2024-11-08 19:24:42,118 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:24:42,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:24:42,597 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:24:42,608 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2024-11-08 19:24:42,610 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [58] [2024-11-08 19:24:42,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [96] [2024-11-08 19:24:42,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [133] [2024-11-08 19:24:42,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [499] [2024-11-08 19:24:42,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [600] [2024-11-08 19:24:42,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [692] [2024-11-08 19:24:42,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [760] [2024-11-08 19:24:42,731 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:24:42,775 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:24:42,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:42 WrapperNode [2024-11-08 19:24:42,776 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:24:42,780 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:24:42,781 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:24:42,781 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:24:42,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:42" (1/1) ... [2024-11-08 19:24:42,814 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:42" (1/1) ... [2024-11-08 19:24:42,851 INFO L138 Inliner]: procedures = 53, calls = 97, calls flagged for inlining = 50, calls inlined = 55, statements flattened = 365 [2024-11-08 19:24:42,851 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:24:42,852 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:24:42,852 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:24:42,852 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:24:42,867 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:42" (1/1) ... [2024-11-08 19:24:42,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:42" (1/1) ... [2024-11-08 19:24:42,870 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:42" (1/1) ... [2024-11-08 19:24:42,899 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 19:24:42,902 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:42" (1/1) ... [2024-11-08 19:24:42,903 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:42" (1/1) ... [2024-11-08 19:24:42,919 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:42" (1/1) ... [2024-11-08 19:24:42,931 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:42" (1/1) ... [2024-11-08 19:24:42,936 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:42" (1/1) ... [2024-11-08 19:24:42,938 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:42" (1/1) ... [2024-11-08 19:24:42,945 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:24:42,950 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:24:42,950 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:24:42,950 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:24:42,952 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:42" (1/1) ... [2024-11-08 19:24:42,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 19:24:43,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c15e7d-f74e-4a62-9283-1a706286212c/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:24:43,025 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c15e7d-f74e-4a62-9283-1a706286212c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 19:24:43,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c15e7d-f74e-4a62-9283-1a706286212c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-08 19:24:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:24:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 19:24:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:24:43,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:24:43,255 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:24:43,258 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:24:43,735 INFO L? ?]: Removed 82 outVars from TransFormulas that were not future-live. [2024-11-08 19:24:43,735 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:24:43,754 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:24:43,754 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 19:24:43,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:24:43 BoogieIcfgContainer [2024-11-08 19:24:43,755 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:24:43,756 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-08 19:24:43,757 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-08 19:24:43,762 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-08 19:24:43,763 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 19:24:43,763 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.11 07:24:42" (1/3) ... [2024-11-08 19:24:43,765 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a45dc36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 07:24:43, skipping insertion in model container [2024-11-08 19:24:43,765 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 19:24:43,765 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:42" (2/3) ... [2024-11-08 19:24:43,766 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a45dc36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 07:24:43, skipping insertion in model container [2024-11-08 19:24:43,766 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 19:24:43,766 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:24:43" (3/3) ... [2024-11-08 19:24:43,768 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product19.cil.c [2024-11-08 19:24:43,843 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-08 19:24:43,844 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-08 19:24:43,844 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-08 19:24:43,845 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-08 19:24:43,845 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-08 19:24:43,845 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-08 19:24:43,845 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-08 19:24:43,846 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-08 19:24:43,852 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 115 states, 114 states have (on average 1.3596491228070176) internal successors, (155), 114 states have internal predecessors, (155), 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) [2024-11-08 19:24:43,882 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 74 [2024-11-08 19:24:43,883 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 19:24:43,883 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 19:24:43,893 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:24:43,894 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:24:43,894 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-08 19:24:43,895 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 115 states, 114 states have (on average 1.3596491228070176) internal successors, (155), 114 states have internal predecessors, (155), 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) [2024-11-08 19:24:43,902 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 74 [2024-11-08 19:24:43,903 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 19:24:43,903 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 19:24:43,904 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:24:43,904 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:24:43,911 INFO L745 eck$LassoCheckResult]: Stem: 27#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 31#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret31#1, main_~retValue_acc~5#1, main_~tmp~4#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 22#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 97#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 84#valid_product_returnLabel#1true main_#t~ret31#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret31#1;havoc main_#t~ret31#1; 116#L587true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 69#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 37#L704-2true [2024-11-08 19:24:43,912 INFO L747 eck$LassoCheckResult]: Loop: 37#L704-2true assume !false; 98#L705true assume test_~splverifierCounter~0#1 < 4; 100#L706true havoc test_#t~nondet37#1;test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 8#L714true assume !(0 != test_~tmp~5#1); 82#L714-2true havoc test_#t~nondet38#1;test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 16#L724true assume !(0 != test_~tmp___0~1#1); 11#L724-2true havoc test_#t~nondet39#1;test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 92#L734true assume 0 != test_~tmp___2~0#1; 26#L740-2true assume { :begin_inline_timeShift } true; 42#L770true assume !(0 != ~pumpRunning~0); 107#L770-2true assume !(0 != ~systemActive~0); 19#L777-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 110#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification3_spec__1_#t~ret5#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1; 101#L109true assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; 57#L115-1true havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 61#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 37#L704-2true [2024-11-08 19:24:43,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:24:43,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-08 19:24:43,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:24:43,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244173560] [2024-11-08 19:24:43,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:24:43,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:24:44,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:24:44,058 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:24:44,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:24:44,102 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:24:44,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:24:44,106 INFO L85 PathProgramCache]: Analyzing trace with hash -820915082, now seen corresponding path program 1 times [2024-11-08 19:24:44,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:24:44,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647293789] [2024-11-08 19:24:44,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:24:44,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:24:44,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:24:44,118 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:24:44,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:24:44,129 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:24:44,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:24:44,131 INFO L85 PathProgramCache]: Analyzing trace with hash 534503994, now seen corresponding path program 1 times [2024-11-08 19:24:44,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:24:44,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638563486] [2024-11-08 19:24:44,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:24:44,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:24:44,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:24:44,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:24:44,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:24:44,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638563486] [2024-11-08 19:24:44,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638563486] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:24:44,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:24:44,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:24:44,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291842478] [2024-11-08 19:24:44,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:24:44,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:24:44,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:24:44,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:24:44,634 INFO L87 Difference]: Start difference. First operand has 115 states, 114 states have (on average 1.3596491228070176) internal successors, (155), 114 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:24:44,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:24:44,803 INFO L93 Difference]: Finished difference Result 281 states and 362 transitions. [2024-11-08 19:24:44,805 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 281 states and 362 transitions. [2024-11-08 19:24:44,820 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 179 [2024-11-08 19:24:44,834 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 281 states to 251 states and 332 transitions. [2024-11-08 19:24:44,835 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 251 [2024-11-08 19:24:44,839 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 251 [2024-11-08 19:24:44,840 INFO L73 IsDeterministic]: Start isDeterministic. Operand 251 states and 332 transitions. [2024-11-08 19:24:44,842 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 19:24:44,846 INFO L218 hiAutomatonCegarLoop]: Abstraction has 251 states and 332 transitions. [2024-11-08 19:24:44,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states and 332 transitions. [2024-11-08 19:24:44,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 157. [2024-11-08 19:24:44,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 157 states have (on average 1.3248407643312101) internal successors, (208), 156 states have internal predecessors, (208), 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) [2024-11-08 19:24:44,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 208 transitions. [2024-11-08 19:24:44,904 INFO L240 hiAutomatonCegarLoop]: Abstraction has 157 states and 208 transitions. [2024-11-08 19:24:44,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:24:44,919 INFO L425 stractBuchiCegarLoop]: Abstraction has 157 states and 208 transitions. [2024-11-08 19:24:44,919 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-08 19:24:44,919 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 157 states and 208 transitions. [2024-11-08 19:24:44,926 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 112 [2024-11-08 19:24:44,926 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 19:24:44,926 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 19:24:44,927 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:24:44,927 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] [2024-11-08 19:24:44,928 INFO L745 eck$LassoCheckResult]: Stem: 453#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 454#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret31#1, main_~retValue_acc~5#1, main_~tmp~4#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 447#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 448#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 503#valid_product_returnLabel#1 main_#t~ret31#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret31#1;havoc main_#t~ret31#1; 504#L587 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 494#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 465#L704-2 [2024-11-08 19:24:44,928 INFO L747 eck$LassoCheckResult]: Loop: 465#L704-2 assume !false; 466#L705 assume test_~splverifierCounter~0#1 < 4; 507#L706 havoc test_#t~nondet37#1;test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 420#L714 assume !(0 != test_~tmp~5#1); 422#L714-2 havoc test_#t~nondet38#1;test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 437#L724 assume !(0 != test_~tmp___0~1#1); 427#L724-2 havoc test_#t~nondet39#1;test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 428#L734 assume 0 != test_~tmp___2~0#1; 451#L740-2 assume { :begin_inline_timeShift } true; 452#L770 assume !(0 != ~pumpRunning~0); 471#L770-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 472#L802 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 474#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 424#L802-1 havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 444#L777-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 445#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret5#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1; 508#L109 assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; 482#L115-1 havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 488#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 465#L704-2 [2024-11-08 19:24:44,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:24:44,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-08 19:24:44,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:24:44,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681332851] [2024-11-08 19:24:44,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:24:44,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:24:44,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:24:44,956 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:24:44,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:24:44,975 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:24:44,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:24:44,980 INFO L85 PathProgramCache]: Analyzing trace with hash 988932159, now seen corresponding path program 1 times [2024-11-08 19:24:44,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:24:44,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777618185] [2024-11-08 19:24:44,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:24:44,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:24:44,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:24:44,994 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:24:44,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:24:45,002 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:24:45,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:24:45,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1003891717, now seen corresponding path program 1 times [2024-11-08 19:24:45,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:24:45,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064170652] [2024-11-08 19:24:45,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:24:45,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:24:45,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:24:45,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:24:45,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:24:45,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064170652] [2024-11-08 19:24:45,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064170652] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:24:45,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:24:45,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 19:24:45,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10932876] [2024-11-08 19:24:45,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:24:45,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:24:45,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:24:45,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:24:45,297 INFO L87 Difference]: Start difference. First operand 157 states and 208 transitions. cyclomatic complexity: 54 Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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) [2024-11-08 19:24:45,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:24:45,434 INFO L93 Difference]: Finished difference Result 307 states and 401 transitions. [2024-11-08 19:24:45,434 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 307 states and 401 transitions. [2024-11-08 19:24:45,441 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 224 [2024-11-08 19:24:45,443 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 307 states to 307 states and 401 transitions. [2024-11-08 19:24:45,443 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 307 [2024-11-08 19:24:45,448 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 307 [2024-11-08 19:24:45,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 307 states and 401 transitions. [2024-11-08 19:24:45,450 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 19:24:45,450 INFO L218 hiAutomatonCegarLoop]: Abstraction has 307 states and 401 transitions. [2024-11-08 19:24:45,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states and 401 transitions. [2024-11-08 19:24:45,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 307. [2024-11-08 19:24:45,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 307 states have (on average 1.3061889250814331) internal successors, (401), 306 states have internal predecessors, (401), 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) [2024-11-08 19:24:45,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 401 transitions. [2024-11-08 19:24:45,479 INFO L240 hiAutomatonCegarLoop]: Abstraction has 307 states and 401 transitions. [2024-11-08 19:24:45,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:24:45,480 INFO L425 stractBuchiCegarLoop]: Abstraction has 307 states and 401 transitions. [2024-11-08 19:24:45,480 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-08 19:24:45,480 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 307 states and 401 transitions. [2024-11-08 19:24:45,483 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 224 [2024-11-08 19:24:45,483 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 19:24:45,486 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 19:24:45,487 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:24:45,487 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] [2024-11-08 19:24:45,487 INFO L745 eck$LassoCheckResult]: Stem: 934#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 935#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret31#1, main_~retValue_acc~5#1, main_~tmp~4#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 927#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 928#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 996#valid_product_returnLabel#1 main_#t~ret31#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret31#1;havoc main_#t~ret31#1; 997#L587 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 981#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 946#L704-2 [2024-11-08 19:24:45,487 INFO L747 eck$LassoCheckResult]: Loop: 946#L704-2 assume !false; 947#L705 assume test_~splverifierCounter~0#1 < 4; 1112#L706 havoc test_#t~nondet37#1;test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 1110#L714 assume !(0 != test_~tmp~5#1); 1108#L714-2 havoc test_#t~nondet38#1;test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 1107#L724 assume !(0 != test_~tmp___0~1#1); 905#L724-2 havoc test_#t~nondet39#1;test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 906#L734 assume 0 != test_~tmp___2~0#1; 932#L740-2 assume { :begin_inline_timeShift } true; 933#L770 assume !(0 != ~pumpRunning~0); 953#L770-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 954#L802 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 956#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 968#L802-1 havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 969#L777-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 1121#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret5#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1; 1120#L109 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 1119#getWaterLevel_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret6#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret6#1;havoc __utac_acc__Specification3_spec__1_#t~ret6#1; 1116#L115 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1); 1115#L115-1 havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 975#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 946#L704-2 [2024-11-08 19:24:45,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:24:45,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-11-08 19:24:45,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:24:45,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556790383] [2024-11-08 19:24:45,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:24:45,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:24:45,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:24:45,498 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:24:45,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:24:45,508 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:24:45,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:24:45,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1177224500, now seen corresponding path program 1 times [2024-11-08 19:24:45,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:24:45,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425154729] [2024-11-08 19:24:45,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:24:45,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:24:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:24:45,517 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:24:45,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:24:45,528 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:24:45,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:24:45,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1628893680, now seen corresponding path program 1 times [2024-11-08 19:24:45,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:24:45,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381180641] [2024-11-08 19:24:45,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:24:45,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:24:45,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:24:45,558 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:24:45,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:24:45,583 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:24:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:24:46,872 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:24:46,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:24:46,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.11 07:24:46 BoogieIcfgContainer [2024-11-08 19:24:46,960 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-08 19:24:46,965 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:24:46,965 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:24:46,966 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:24:46,966 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:24:43" (3/4) ... [2024-11-08 19:24:46,968 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-08 19:24:47,041 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c15e7d-f74e-4a62-9283-1a706286212c/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 19:24:47,041 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:24:47,042 INFO L158 Benchmark]: Toolchain (without parser) took 4994.89ms. Allocated memory was 136.3MB in the beginning and 167.8MB in the end (delta: 31.5MB). Free memory was 97.4MB in the beginning and 72.9MB in the end (delta: 24.5MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2024-11-08 19:24:47,045 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 136.3MB. Free memory is still 75.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:24:47,046 INFO L158 Benchmark]: CACSL2BoogieTranslator took 727.52ms. Allocated memory is still 136.3MB. Free memory was 97.0MB in the beginning and 76.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 19:24:47,046 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.19ms. Allocated memory is still 136.3MB. Free memory was 76.0MB in the beginning and 73.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:24:47,046 INFO L158 Benchmark]: Boogie Preprocessor took 96.92ms. Allocated memory is still 136.3MB. Free memory was 73.2MB in the beginning and 70.5MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:24:47,047 INFO L158 Benchmark]: RCFGBuilder took 805.28ms. Allocated memory was 136.3MB in the beginning and 167.8MB in the end (delta: 31.5MB). Free memory was 70.5MB in the beginning and 121.3MB in the end (delta: -50.8MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2024-11-08 19:24:47,047 INFO L158 Benchmark]: BuchiAutomizer took 3204.25ms. Allocated memory is still 167.8MB. Free memory was 121.3MB in the beginning and 76.1MB in the end (delta: 45.3MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. [2024-11-08 19:24:47,047 INFO L158 Benchmark]: Witness Printer took 76.04ms. Allocated memory is still 167.8MB. Free memory was 76.1MB in the beginning and 72.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:24:47,049 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 136.3MB. Free memory is still 75.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 727.52ms. Allocated memory is still 136.3MB. Free memory was 97.0MB in the beginning and 76.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.19ms. Allocated memory is still 136.3MB. Free memory was 76.0MB in the beginning and 73.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.92ms. Allocated memory is still 136.3MB. Free memory was 73.2MB in the beginning and 70.5MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 805.28ms. Allocated memory was 136.3MB in the beginning and 167.8MB in the end (delta: 31.5MB). Free memory was 70.5MB in the beginning and 121.3MB in the end (delta: -50.8MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 3204.25ms. Allocated memory is still 167.8MB. Free memory was 121.3MB in the beginning and 76.1MB in the end (delta: 45.3MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. * Witness Printer took 76.04ms. Allocated memory is still 167.8MB. Free memory was 76.1MB in the beginning and 72.9MB 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,"featureselect.i","") [58] - GenericResultAtLocation [Line: 96]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [96] - GenericResultAtLocation [Line: 133]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [133] - GenericResultAtLocation [Line: 499]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [499] - GenericResultAtLocation [Line: 600]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [600] - GenericResultAtLocation [Line: 692]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [692] - GenericResultAtLocation [Line: 760]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [760] * 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 307 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 94 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, 477 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 477 mSDsluCounter, 1091 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 832 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 76 IncrementalHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 259 mSDtfsCounter, 76 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 704]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L303] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L500] int cleanupTimeShifts = 4; [L604] int waterLevel = 1; [L605] int methaneLevelCritical = 0; [L763] int pumpRunning = 0; [L764] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L578] int retValue_acc ; [L579] int tmp ; [L583] FCALL select_helpers() [L584] FCALL select_features() [L585] CALL, EXPR valid_product() [L88] int retValue_acc ; [L91] retValue_acc = 1 [L92] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L585] RET, EXPR valid_product() [L585] tmp = valid_product() [L587] COND TRUE \read(tmp) [L589] FCALL setup() [L590] CALL runTest() [L572] CALL test() [L695] int splverifierCounter ; [L696] int tmp ; [L697] int tmp___0 ; [L698] int tmp___1 ; [L699] int tmp___2 ; [L702] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L704] COND TRUE 1 [L706] COND TRUE splverifierCounter < 4 [L712] tmp = __VERIFIER_nondet_int() [L714] COND FALSE !(\read(tmp)) [L722] tmp___0 = __VERIFIER_nondet_int() [L724] COND FALSE !(\read(tmp___0)) [L732] tmp___2 = __VERIFIER_nondet_int() [L734] COND TRUE \read(tmp___2) [L749] CALL timeShift() [L770] COND FALSE !(\read(pumpRunning)) [L777] COND TRUE \read(systemActive) [L779] CALL processEnvironment() [L799] int tmp ; [L802] COND FALSE !(\read(pumpRunning)) [L817] FCALL processEnvironment__wrappee__base() [L779] RET processEnvironment() [L785] CALL __utac_acc__Specification3_spec__1() [L101] int tmp ; [L102] int tmp___0 ; [L103] int tmp___1 ; [L107] CALL, EXPR isMethaneLevelCritical() [L643] int retValue_acc ; [L646] retValue_acc = methaneLevelCritical [L647] return (retValue_acc); [L107] RET, EXPR isMethaneLevelCritical() [L107] tmp = isMethaneLevelCritical() [L109] COND FALSE !(\read(tmp)) [L113] CALL, EXPR getWaterLevel() [L675] int retValue_acc ; [L678] retValue_acc = waterLevel [L679] return (retValue_acc); [L113] RET, EXPR getWaterLevel() [L113] tmp___0 = getWaterLevel() [L115] COND FALSE !(tmp___0 == 2) [L785] RET __utac_acc__Specification3_spec__1() [L749] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 704]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L303] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L500] int cleanupTimeShifts = 4; [L604] int waterLevel = 1; [L605] int methaneLevelCritical = 0; [L763] int pumpRunning = 0; [L764] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L578] int retValue_acc ; [L579] int tmp ; [L583] FCALL select_helpers() [L584] FCALL select_features() [L585] CALL, EXPR valid_product() [L88] int retValue_acc ; [L91] retValue_acc = 1 [L92] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L585] RET, EXPR valid_product() [L585] tmp = valid_product() [L587] COND TRUE \read(tmp) [L589] FCALL setup() [L590] CALL runTest() [L572] CALL test() [L695] int splverifierCounter ; [L696] int tmp ; [L697] int tmp___0 ; [L698] int tmp___1 ; [L699] int tmp___2 ; [L702] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L704] COND TRUE 1 [L706] COND TRUE splverifierCounter < 4 [L712] tmp = __VERIFIER_nondet_int() [L714] COND FALSE !(\read(tmp)) [L722] tmp___0 = __VERIFIER_nondet_int() [L724] COND FALSE !(\read(tmp___0)) [L732] tmp___2 = __VERIFIER_nondet_int() [L734] COND TRUE \read(tmp___2) [L749] CALL timeShift() [L770] COND FALSE !(\read(pumpRunning)) [L777] COND TRUE \read(systemActive) [L779] CALL processEnvironment() [L799] int tmp ; [L802] COND FALSE !(\read(pumpRunning)) [L817] FCALL processEnvironment__wrappee__base() [L779] RET processEnvironment() [L785] CALL __utac_acc__Specification3_spec__1() [L101] int tmp ; [L102] int tmp___0 ; [L103] int tmp___1 ; [L107] CALL, EXPR isMethaneLevelCritical() [L643] int retValue_acc ; [L646] retValue_acc = methaneLevelCritical [L647] return (retValue_acc); [L107] RET, EXPR isMethaneLevelCritical() [L107] tmp = isMethaneLevelCritical() [L109] COND FALSE !(\read(tmp)) [L113] CALL, EXPR getWaterLevel() [L675] int retValue_acc ; [L678] retValue_acc = waterLevel [L679] return (retValue_acc); [L113] RET, EXPR getWaterLevel() [L113] tmp___0 = getWaterLevel() [L115] COND FALSE !(tmp___0 == 2) [L785] RET __utac_acc__Specification3_spec__1() [L749] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 19:24:47,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7c15e7d-f74e-4a62-9283-1a706286212c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)