./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product32.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_7f2e4fc0-2be6-41a3-abe8-20de2d05c24e/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2e4fc0-2be6-41a3-abe8-20de2d05c24e/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_7f2e4fc0-2be6-41a3-abe8-20de2d05c24e/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2e4fc0-2be6-41a3-abe8-20de2d05c24e/bin/uautomizer-verify-jihMAELWvX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2e4fc0-2be6-41a3-abe8-20de2d05c24e/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_7f2e4fc0-2be6-41a3-abe8-20de2d05c24e/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 6e9710f2ba77d873d862776625519cdc19b31c828c43680541828315968db1a8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:47:43,452 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:47:43,550 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2e4fc0-2be6-41a3-abe8-20de2d05c24e/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-08 16:47:43,555 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:47:43,556 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:47:43,625 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:47:43,626 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:47:43,627 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:47:43,627 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:47:43,628 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:47:43,631 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:47:43,631 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:47:43,632 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:47:43,632 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-08 16:47:43,633 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-08 16:47:43,635 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-08 16:47:43,636 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-08 16:47:43,637 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-08 16:47:43,637 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-08 16:47:43,641 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:47:43,642 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-08 16:47:43,643 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:47:43,643 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:47:43,644 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:47:43,644 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:47:43,645 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-08 16:47:43,645 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-08 16:47:43,645 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-08 16:47:43,657 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:47:43,657 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:47:43,658 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:47:43,658 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:47:43,658 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-08 16:47:43,659 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:47:43,659 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:47:43,660 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:47:43,660 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:47:43,660 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:47:43,661 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-08 16:47:43,661 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_7f2e4fc0-2be6-41a3-abe8-20de2d05c24e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2e4fc0-2be6-41a3-abe8-20de2d05c24e/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e9710f2ba77d873d862776625519cdc19b31c828c43680541828315968db1a8 [2024-11-08 16:47:44,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:47:44,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:47:44,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:47:44,047 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:47:44,048 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:47:44,050 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2e4fc0-2be6-41a3-abe8-20de2d05c24e/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c Unable to find full path for "g++" [2024-11-08 16:47:46,564 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:47:46,917 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:47:46,918 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2e4fc0-2be6-41a3-abe8-20de2d05c24e/sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c [2024-11-08 16:47:46,936 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2e4fc0-2be6-41a3-abe8-20de2d05c24e/bin/uautomizer-verify-jihMAELWvX/data/57fd02a7f/9b8115755dd54cdda274078ef565549f/FLAGb55eed6a2 [2024-11-08 16:47:47,169 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2e4fc0-2be6-41a3-abe8-20de2d05c24e/bin/uautomizer-verify-jihMAELWvX/data/57fd02a7f/9b8115755dd54cdda274078ef565549f [2024-11-08 16:47:47,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:47:47,174 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:47:47,175 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:47:47,176 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:47:47,188 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:47:47,189 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:47:47" (1/1) ... [2024-11-08 16:47:47,191 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64482181 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:47, skipping insertion in model container [2024-11-08 16:47:47,191 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:47:47" (1/1) ... [2024-11-08 16:47:47,249 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:47:47,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:47:47,725 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:47:47,739 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-11-08 16:47:47,742 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] [2024-11-08 16:47:47,742 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [511] [2024-11-08 16:47:47,743 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [549] [2024-11-08 16:47:47,743 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [577] [2024-11-08 16:47:47,743 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [650] [2024-11-08 16:47:47,744 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [871] [2024-11-08 16:47:47,744 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [880] [2024-11-08 16:47:47,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:47:47,929 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:47:47,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:47 WrapperNode [2024-11-08 16:47:47,930 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:47:47,932 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:47:47,932 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:47:47,932 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:47:47,942 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:47" (1/1) ... [2024-11-08 16:47:47,960 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:47" (1/1) ... [2024-11-08 16:47:48,016 INFO L138 Inliner]: procedures = 56, calls = 103, calls flagged for inlining = 56, calls inlined = 83, statements flattened = 515 [2024-11-08 16:47:48,020 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:47:48,021 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:47:48,021 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:47:48,022 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:47:48,041 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:47" (1/1) ... [2024-11-08 16:47:48,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:47" (1/1) ... [2024-11-08 16:47:48,045 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:47" (1/1) ... [2024-11-08 16:47:48,086 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 16:47:48,090 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:47" (1/1) ... [2024-11-08 16:47:48,091 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:47" (1/1) ... [2024-11-08 16:47:48,110 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:47" (1/1) ... [2024-11-08 16:47:48,124 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:47" (1/1) ... [2024-11-08 16:47:48,130 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:47" (1/1) ... [2024-11-08 16:47:48,137 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:47" (1/1) ... [2024-11-08 16:47:48,141 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:47:48,142 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:47:48,142 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:47:48,142 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:47:48,143 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:47" (1/1) ... [2024-11-08 16:47:48,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:47:48,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2e4fc0-2be6-41a3-abe8-20de2d05c24e/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:47:48,187 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2e4fc0-2be6-41a3-abe8-20de2d05c24e/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:47:48,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2e4fc0-2be6-41a3-abe8-20de2d05c24e/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-08 16:47:48,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:47:48,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 16:47:48,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:47:48,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:47:48,325 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:47:48,328 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:47:48,955 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2024-11-08 16:47:48,955 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:47:48,989 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:47:48,991 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 16:47:48,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:47:48 BoogieIcfgContainer [2024-11-08 16:47:48,992 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:47:48,994 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-08 16:47:48,994 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-08 16:47:48,999 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-08 16:47:49,000 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 16:47:49,001 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.11 04:47:47" (1/3) ... [2024-11-08 16:47:49,002 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e2da9ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 04:47:49, skipping insertion in model container [2024-11-08 16:47:49,002 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 16:47:49,002 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:47:47" (2/3) ... [2024-11-08 16:47:49,003 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e2da9ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 04:47:49, skipping insertion in model container [2024-11-08 16:47:49,003 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 16:47:49,003 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:47:48" (3/3) ... [2024-11-08 16:47:49,005 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product32.cil.c [2024-11-08 16:47:49,085 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-08 16:47:49,085 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-08 16:47:49,086 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-08 16:47:49,086 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-08 16:47:49,086 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-08 16:47:49,086 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-08 16:47:49,086 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-08 16:47:49,087 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-08 16:47:49,091 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 158 states, 157 states have (on average 1.3375796178343948) internal successors, (210), 157 states have internal predecessors, (210), 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 16:47:49,128 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 103 [2024-11-08 16:47:49,128 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 16:47:49,129 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 16:47:49,138 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:47:49,138 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:47:49,138 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-08 16:47:49,139 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 158 states, 157 states have (on average 1.3375796178343948) internal successors, (210), 157 states have internal predecessors, (210), 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 16:47:49,149 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 103 [2024-11-08 16:47:49,150 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 16:47:49,150 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 16:47:49,151 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:47:49,151 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:47:49,159 INFO L745 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#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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 45#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret52#1, main_~retValue_acc~11#1, main_~tmp~9#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 34#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 131#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 107#valid_product_returnLabel#1true main_#t~ret52#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret52#1;havoc main_#t~ret52#1; 124#L963true assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 87#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 2#L592-2true [2024-11-08 16:47:49,160 INFO L747 eck$LassoCheckResult]: Loop: 2#L592-2true assume !false; 98#L593true assume test_~splverifierCounter~0#1 < 4; 122#L594true havoc test_#t~nondet35#1;test_~tmp~4#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 18#L602true assume !(0 != test_~tmp~4#1); 62#L602-2true havoc test_#t~nondet36#1;test_~tmp___0~1#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 7#L612true assume !(0 != test_~tmp___0~1#1); 156#L612-2true havoc test_#t~nondet37#1;test_~tmp___2~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 118#L622true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 63#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 56#L630-2true assume { :begin_inline_timeShift } true; 137#L661true assume !(0 != ~pumpRunning~0); 37#L661-2true assume !(0 != ~systemActive~0); 145#L668-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret33#1, __utac_acc__Specification1_spec__1_#t~ret34#1, __utac_acc__Specification1_spec__1_~tmp~3#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~3#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 82#isMethaneLevelCritical_returnLabel#2true __utac_acc__Specification1_spec__1_#t~ret33#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~3#1 := __utac_acc__Specification1_spec__1_#t~ret33#1;havoc __utac_acc__Specification1_spec__1_#t~ret33#1; 29#L560true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3#1); 129#L560-1true havoc __utac_acc__Specification1_spec__1_#t~ret33#1, __utac_acc__Specification1_spec__1_#t~ret34#1, __utac_acc__Specification1_spec__1_~tmp~3#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 75#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 2#L592-2true [2024-11-08 16:47:49,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:47:49,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-08 16:47:49,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:47:49,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375001095] [2024-11-08 16:47:49,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:47:49,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:47:49,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:47:49,398 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:47:49,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:47:49,468 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:47:49,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:47:49,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1310661954, now seen corresponding path program 1 times [2024-11-08 16:47:49,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:47:49,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537367386] [2024-11-08 16:47:49,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:47:49,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:47:49,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:47:49,647 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 16:47:49,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:47:49,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537367386] [2024-11-08 16:47:49,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537367386] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:47:49,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:47:49,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:47:49,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483541674] [2024-11-08 16:47:49,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:47:49,658 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-08 16:47:49,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:47:49,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:47:49,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:47:49,699 INFO L87 Difference]: Start difference. First operand has 158 states, 157 states have (on average 1.3375796178343948) internal successors, (210), 157 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:47:49,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:47:49,788 INFO L93 Difference]: Finished difference Result 295 states and 381 transitions. [2024-11-08 16:47:49,790 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 295 states and 381 transitions. [2024-11-08 16:47:49,800 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 192 [2024-11-08 16:47:49,808 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 295 states to 275 states and 360 transitions. [2024-11-08 16:47:49,810 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 275 [2024-11-08 16:47:49,812 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 275 [2024-11-08 16:47:49,813 INFO L73 IsDeterministic]: Start isDeterministic. Operand 275 states and 360 transitions. [2024-11-08 16:47:49,815 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 16:47:49,815 INFO L218 hiAutomatonCegarLoop]: Abstraction has 275 states and 360 transitions. [2024-11-08 16:47:49,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states and 360 transitions. [2024-11-08 16:47:49,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 272. [2024-11-08 16:47:49,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 272 states have (on average 1.3088235294117647) internal successors, (356), 271 states have internal predecessors, (356), 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 16:47:49,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 356 transitions. [2024-11-08 16:47:49,875 INFO L240 hiAutomatonCegarLoop]: Abstraction has 272 states and 356 transitions. [2024-11-08 16:47:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:47:49,885 INFO L425 stractBuchiCegarLoop]: Abstraction has 272 states and 356 transitions. [2024-11-08 16:47:49,885 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-08 16:47:49,885 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 272 states and 356 transitions. [2024-11-08 16:47:49,898 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 189 [2024-11-08 16:47:49,898 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 16:47:49,898 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 16:47:49,899 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:47:49,899 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] [2024-11-08 16:47:49,900 INFO L745 eck$LassoCheckResult]: Stem: 524#$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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 525#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret52#1, main_~retValue_acc~11#1, main_~tmp~9#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 518#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 519#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 596#valid_product_returnLabel#1 main_#t~ret52#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret52#1;havoc main_#t~ret52#1; 597#L963 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 575#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 576#L592-2 [2024-11-08 16:47:49,900 INFO L747 eck$LassoCheckResult]: Loop: 576#L592-2 assume !false; 590#L593 assume test_~splverifierCounter~0#1 < 4; 591#L594 havoc test_#t~nondet35#1;test_~tmp~4#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 487#L602 assume !(0 != test_~tmp~4#1); 489#L602-2 havoc test_#t~nondet36#1;test_~tmp___0~1#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 468#L612 assume !(0 != test_~tmp___0~1#1); 469#L612-2 havoc test_#t~nondet37#1;test_~tmp___2~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 604#L622 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet38#1;test_~tmp___1~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 594#L630 assume !(0 != test_~tmp___1~0#1); 546#L630-2 assume { :begin_inline_timeShift } true; 547#L661 assume !(0 != ~pumpRunning~0); 522#L661-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 523#L719 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret39#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~5#1; 721#L693-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 713#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 712#L693-3 havoc processEnvironment__wrappee__methaneQuery_#t~ret39#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 709#L719-1 havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 708#L668-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret33#1, __utac_acc__Specification1_spec__1_#t~ret34#1, __utac_acc__Specification1_spec__1_~tmp~3#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~3#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 707#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification1_spec__1_#t~ret33#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~3#1 := __utac_acc__Specification1_spec__1_#t~ret33#1;havoc __utac_acc__Specification1_spec__1_#t~ret33#1; 704#L560 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3#1); 703#L560-1 havoc __utac_acc__Specification1_spec__1_#t~ret33#1, __utac_acc__Specification1_spec__1_#t~ret34#1, __utac_acc__Specification1_spec__1_~tmp~3#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 702#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 576#L592-2 [2024-11-08 16:47:49,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:47:49,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-08 16:47:49,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:47:49,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853627436] [2024-11-08 16:47:49,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:47:49,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:47:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:47:49,928 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:47:49,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:47:49,946 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:47:49,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:47:49,947 INFO L85 PathProgramCache]: Analyzing trace with hash -2062652350, now seen corresponding path program 1 times [2024-11-08 16:47:49,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:47:49,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453196493] [2024-11-08 16:47:49,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:47:49,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:47:49,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:47:49,960 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:47:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:47:49,972 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:47:49,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:47:49,974 INFO L85 PathProgramCache]: Analyzing trace with hash -945809658, now seen corresponding path program 1 times [2024-11-08 16:47:49,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:47:49,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477617764] [2024-11-08 16:47:49,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:47:49,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:47:50,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:47:50,032 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:47:50,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:47:50,079 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:47:51,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:47:51,634 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:47:51,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:47:51,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.11 04:47:51 BoogieIcfgContainer [2024-11-08 16:47:51,730 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-08 16:47:51,731 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:47:51,732 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:47:51,732 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:47:51,733 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:47:48" (3/4) ... [2024-11-08 16:47:51,735 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-08 16:47:51,826 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2e4fc0-2be6-41a3-abe8-20de2d05c24e/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 16:47:51,830 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:47:51,831 INFO L158 Benchmark]: Toolchain (without parser) took 4657.12ms. Allocated memory was 140.5MB in the beginning and 186.6MB in the end (delta: 46.1MB). Free memory was 106.9MB in the beginning and 91.8MB in the end (delta: 15.1MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. [2024-11-08 16:47:51,831 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 140.5MB. Free memory is still 107.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:47:51,832 INFO L158 Benchmark]: CACSL2BoogieTranslator took 755.44ms. Allocated memory is still 140.5MB. Free memory was 106.9MB in the beginning and 85.4MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 16:47:51,836 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.81ms. Allocated memory is still 140.5MB. Free memory was 85.4MB in the beginning and 82.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:47:51,837 INFO L158 Benchmark]: Boogie Preprocessor took 119.68ms. Allocated memory is still 140.5MB. Free memory was 82.3MB in the beginning and 79.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:47:51,838 INFO L158 Benchmark]: RCFGBuilder took 850.85ms. Allocated memory is still 140.5MB. Free memory was 78.6MB in the beginning and 53.5MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-08 16:47:51,838 INFO L158 Benchmark]: BuchiAutomizer took 2736.94ms. Allocated memory was 140.5MB in the beginning and 186.6MB in the end (delta: 46.1MB). Free memory was 53.5MB in the beginning and 95.0MB in the end (delta: -41.5MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2024-11-08 16:47:51,839 INFO L158 Benchmark]: Witness Printer took 98.55ms. Allocated memory is still 186.6MB. Free memory was 95.0MB in the beginning and 91.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:47:51,842 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 140.5MB. Free memory is still 107.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 755.44ms. Allocated memory is still 140.5MB. Free memory was 106.9MB in the beginning and 85.4MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.81ms. Allocated memory is still 140.5MB. Free memory was 85.4MB in the beginning and 82.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 119.68ms. Allocated memory is still 140.5MB. Free memory was 82.3MB in the beginning and 79.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 850.85ms. Allocated memory is still 140.5MB. Free memory was 78.6MB in the beginning and 53.5MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 2736.94ms. Allocated memory was 140.5MB in the beginning and 186.6MB in the end (delta: 46.1MB). Free memory was 53.5MB in the beginning and 95.0MB in the end (delta: -41.5MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * Witness Printer took 98.55ms. Allocated memory is still 186.6MB. Free memory was 95.0MB in the beginning and 91.8MB 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,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] - GenericResultAtLocation [Line: 511]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [511] - GenericResultAtLocation [Line: 549]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [549] - GenericResultAtLocation [Line: 577]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [577] - GenericResultAtLocation [Line: 650]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [650] - GenericResultAtLocation [Line: 871]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [871] - GenericResultAtLocation [Line: 880]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [880] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 272 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.6s and 2 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 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 187 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 187 mSDsluCounter, 383 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 180 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 203 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 592]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L423] int waterLevel = 1; [L424] int methaneLevelCritical = 0; [L654] int pumpRunning = 0; [L655] int systemActive = 1; [L881] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L954] int retValue_acc ; [L955] int tmp ; [L959] FCALL select_helpers() [L960] FCALL select_features() [L961] CALL, EXPR valid_product() [L541] int retValue_acc ; [L544] retValue_acc = 1 [L545] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L961] RET, EXPR valid_product() [L961] tmp = valid_product() [L963] COND TRUE \read(tmp) [L965] FCALL setup() [L966] CALL runTest() [L948] CALL test() [L583] int splverifierCounter ; [L584] int tmp ; [L585] int tmp___0 ; [L586] int tmp___1 ; [L587] int tmp___2 ; [L590] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L592] COND TRUE 1 [L594] COND TRUE splverifierCounter < 4 [L600] tmp = __VERIFIER_nondet_int() [L602] COND FALSE !(\read(tmp)) [L610] tmp___0 = __VERIFIER_nondet_int() [L612] COND FALSE !(\read(tmp___0)) [L620] tmp___2 = __VERIFIER_nondet_int() [L622] COND FALSE !(\read(tmp___2)) [L628] tmp___1 = __VERIFIER_nondet_int() [L630] COND FALSE !(\read(tmp___1)) [L639] CALL timeShift() [L661] COND FALSE !(\read(pumpRunning)) [L668] COND TRUE \read(systemActive) [L670] CALL processEnvironment() [L716] int tmp ; [L719] COND FALSE !(\read(pumpRunning)) [L734] CALL processEnvironment__wrappee__methaneQuery() [L690] int tmp ; [L693] COND FALSE !(\read(pumpRunning)) [L708] FCALL processEnvironment__wrappee__base() [L734] RET processEnvironment__wrappee__methaneQuery() [L670] RET processEnvironment() [L676] CALL __utac_acc__Specification1_spec__1() [L553] int tmp ; [L554] int tmp___0 ; [L558] CALL, EXPR isMethaneLevelCritical() [L462] int retValue_acc ; [L465] retValue_acc = methaneLevelCritical [L466] return (retValue_acc); [L558] RET, EXPR isMethaneLevelCritical() [L558] tmp = isMethaneLevelCritical() [L560] COND FALSE !(\read(tmp)) [L676] RET __utac_acc__Specification1_spec__1() [L639] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 592]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L423] int waterLevel = 1; [L424] int methaneLevelCritical = 0; [L654] int pumpRunning = 0; [L655] int systemActive = 1; [L881] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L954] int retValue_acc ; [L955] int tmp ; [L959] FCALL select_helpers() [L960] FCALL select_features() [L961] CALL, EXPR valid_product() [L541] int retValue_acc ; [L544] retValue_acc = 1 [L545] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L961] RET, EXPR valid_product() [L961] tmp = valid_product() [L963] COND TRUE \read(tmp) [L965] FCALL setup() [L966] CALL runTest() [L948] CALL test() [L583] int splverifierCounter ; [L584] int tmp ; [L585] int tmp___0 ; [L586] int tmp___1 ; [L587] int tmp___2 ; [L590] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L592] COND TRUE 1 [L594] COND TRUE splverifierCounter < 4 [L600] tmp = __VERIFIER_nondet_int() [L602] COND FALSE !(\read(tmp)) [L610] tmp___0 = __VERIFIER_nondet_int() [L612] COND FALSE !(\read(tmp___0)) [L620] tmp___2 = __VERIFIER_nondet_int() [L622] COND FALSE !(\read(tmp___2)) [L628] tmp___1 = __VERIFIER_nondet_int() [L630] COND FALSE !(\read(tmp___1)) [L639] CALL timeShift() [L661] COND FALSE !(\read(pumpRunning)) [L668] COND TRUE \read(systemActive) [L670] CALL processEnvironment() [L716] int tmp ; [L719] COND FALSE !(\read(pumpRunning)) [L734] CALL processEnvironment__wrappee__methaneQuery() [L690] int tmp ; [L693] COND FALSE !(\read(pumpRunning)) [L708] FCALL processEnvironment__wrappee__base() [L734] RET processEnvironment__wrappee__methaneQuery() [L670] RET processEnvironment() [L676] CALL __utac_acc__Specification1_spec__1() [L553] int tmp ; [L554] int tmp___0 ; [L558] CALL, EXPR isMethaneLevelCritical() [L462] int retValue_acc ; [L465] retValue_acc = methaneLevelCritical [L466] return (retValue_acc); [L558] RET, EXPR isMethaneLevelCritical() [L558] tmp = isMethaneLevelCritical() [L560] COND FALSE !(\read(tmp)) [L676] RET __utac_acc__Specification1_spec__1() [L639] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 16:47:51,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2e4fc0-2be6-41a3-abe8-20de2d05c24e/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)