./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e6c244-a137-4f66-9ce6-76d24535c33b/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e6c244-a137-4f66-9ce6-76d24535c33b/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e6c244-a137-4f66-9ce6-76d24535c33b/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e6c244-a137-4f66-9ce6-76d24535c33b/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e6c244-a137-4f66-9ce6-76d24535c33b/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e6c244-a137-4f66-9ce6-76d24535c33b/bin/uautomizer-verify-LYvppIcaGC --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 704fe23cb6270cdc3b62ea1d942aa0e1862f1800a4de1ce1a14a8307d368eae5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:48:39,578 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:48:39,649 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e6c244-a137-4f66-9ce6-76d24535c33b/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-24 01:48:39,654 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:48:39,654 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:48:39,678 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:48:39,679 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:48:39,679 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:48:39,679 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:48:39,679 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:48:39,679 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:48:39,680 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:48:39,680 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:48:39,680 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-24 01:48:39,680 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-24 01:48:39,680 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-24 01:48:39,680 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-24 01:48:39,680 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-24 01:48:39,680 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-24 01:48:39,681 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:48:39,681 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-24 01:48:39,681 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:48:39,681 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:48:39,681 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:48:39,681 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:48:39,681 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-24 01:48:39,681 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-24 01:48:39,681 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-24 01:48:39,682 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 01:48:39,682 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:48:39,682 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:48:39,682 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-24 01:48:39,682 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:48:39,682 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:48:39,682 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:48:39,682 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:48:39,682 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:48:39,683 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-24 01:48:39,683 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-24 01:48:39,683 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_a6e6c244-a137-4f66-9ce6-76d24535c33b/bin/uautomizer-verify-LYvppIcaGC 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 -> 704fe23cb6270cdc3b62ea1d942aa0e1862f1800a4de1ce1a14a8307d368eae5 [2024-11-24 01:48:39,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:48:39,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:48:39,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:48:40,000 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:48:40,000 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:48:40,002 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e6c244-a137-4f66-9ce6-76d24535c33b/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c [2024-11-24 01:48:43,079 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e6c244-a137-4f66-9ce6-76d24535c33b/bin/uautomizer-verify-LYvppIcaGC/data/e20971296/b915518d9ff24b778a8a8b3038894878/FLAGfd362f0b7 [2024-11-24 01:48:43,473 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:48:43,474 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e6c244-a137-4f66-9ce6-76d24535c33b/sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c [2024-11-24 01:48:43,489 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e6c244-a137-4f66-9ce6-76d24535c33b/bin/uautomizer-verify-LYvppIcaGC/data/e20971296/b915518d9ff24b778a8a8b3038894878/FLAGfd362f0b7 [2024-11-24 01:48:43,516 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e6c244-a137-4f66-9ce6-76d24535c33b/bin/uautomizer-verify-LYvppIcaGC/data/e20971296/b915518d9ff24b778a8a8b3038894878 [2024-11-24 01:48:43,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:48:43,522 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:48:43,523 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:48:43,525 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:48:43,530 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:48:43,531 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:48:43" (1/1) ... [2024-11-24 01:48:43,532 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a2c4a8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:43, skipping insertion in model container [2024-11-24 01:48:43,534 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:48:43" (1/1) ... [2024-11-24 01:48:43,582 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:48:43,946 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:48:43,966 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:48:43,976 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-11-24 01:48:43,977 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [87] [2024-11-24 01:48:43,977 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [453] [2024-11-24 01:48:43,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [539] [2024-11-24 01:48:43,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [548] [2024-11-24 01:48:43,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [647] [2024-11-24 01:48:43,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [776] [2024-11-24 01:48:43,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [841] [2024-11-24 01:48:44,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:48:44,068 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:48:44,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:44 WrapperNode [2024-11-24 01:48:44,069 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:48:44,070 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:48:44,070 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:48:44,070 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:48:44,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:44" (1/1) ... [2024-11-24 01:48:44,095 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:44" (1/1) ... [2024-11-24 01:48:44,119 INFO L138 Inliner]: procedures = 50, calls = 91, calls flagged for inlining = 44, calls inlined = 35, statements flattened = 226 [2024-11-24 01:48:44,120 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:48:44,121 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:48:44,121 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:48:44,121 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:48:44,131 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:44" (1/1) ... [2024-11-24 01:48:44,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:44" (1/1) ... [2024-11-24 01:48:44,134 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:44" (1/1) ... [2024-11-24 01:48:44,148 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]. [2024-11-24 01:48:44,148 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:44" (1/1) ... [2024-11-24 01:48:44,148 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:44" (1/1) ... [2024-11-24 01:48:44,155 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:44" (1/1) ... [2024-11-24 01:48:44,156 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:44" (1/1) ... [2024-11-24 01:48:44,162 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:44" (1/1) ... [2024-11-24 01:48:44,163 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:44" (1/1) ... [2024-11-24 01:48:44,164 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:44" (1/1) ... [2024-11-24 01:48:44,167 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:48:44,168 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:48:44,168 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:48:44,168 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:48:44,169 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:44" (1/1) ... [2024-11-24 01:48:44,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 01:48:44,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e6c244-a137-4f66-9ce6-76d24535c33b/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:48:44,218 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e6c244-a137-4f66-9ce6-76d24535c33b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 01:48:44,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e6c244-a137-4f66-9ce6-76d24535c33b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-24 01:48:44,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:48:44,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:48:44,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:48:44,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:48:44,333 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:48:44,335 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:48:44,630 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-11-24 01:48:44,630 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:48:44,643 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:48:44,643 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-24 01:48:44,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:48:44 BoogieIcfgContainer [2024-11-24 01:48:44,644 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:48:44,645 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-24 01:48:44,645 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-24 01:48:44,652 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-24 01:48:44,653 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 01:48:44,653 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 24.11 01:48:43" (1/3) ... [2024-11-24 01:48:44,655 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c86529 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 01:48:44, skipping insertion in model container [2024-11-24 01:48:44,655 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 01:48:44,656 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:44" (2/3) ... [2024-11-24 01:48:44,656 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c86529 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 01:48:44, skipping insertion in model container [2024-11-24 01:48:44,656 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 01:48:44,656 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:48:44" (3/3) ... [2024-11-24 01:48:44,658 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product09.cil.c [2024-11-24 01:48:44,718 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-24 01:48:44,718 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-24 01:48:44,719 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-24 01:48:44,719 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-24 01:48:44,719 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-24 01:48:44,719 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-24 01:48:44,719 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-24 01:48:44,719 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-24 01:48:44,725 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 76 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 75 states have internal predecessors, (103), 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) [2024-11-24 01:48:44,748 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 46 [2024-11-24 01:48:44,750 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 01:48:44,750 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 01:48:44,757 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:48:44,758 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:48:44,758 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-24 01:48:44,759 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 76 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 75 states have internal predecessors, (103), 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) [2024-11-24 01:48:44,764 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 46 [2024-11-24 01:48:44,764 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 01:48:44,764 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 01:48:44,767 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:48:44,767 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:48:44,775 INFO L747 eck$LassoCheckResult]: Stem: "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;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~7#1, main_~tmp~3#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "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;" "main_#t~ret33#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1;" "assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-24 01:48:44,776 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet44#1;test_~tmp~5#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet45#1;test_~tmp___0~0#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet46#1;test_~tmp___2~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1;" "__utac_acc__Specification1_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret48#1;havoc __utac_acc__Specification1_spec__1_#t~ret48#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-24 01:48:44,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:48:44,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-24 01:48:44,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:48:44,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772571841] [2024-11-24 01:48:44,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:48:44,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:48:44,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:48:44,896 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:48:44,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:48:44,952 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:48:44,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:48:44,955 INFO L85 PathProgramCache]: Analyzing trace with hash -302133064, now seen corresponding path program 1 times [2024-11-24 01:48:44,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:48:44,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518094389] [2024-11-24 01:48:44,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:48:44,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:48:44,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:48:44,976 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:48:44,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:48:44,994 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:48:44,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:48:44,999 INFO L85 PathProgramCache]: Analyzing trace with hash -258409868, now seen corresponding path program 1 times [2024-11-24 01:48:44,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:48:44,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72683542] [2024-11-24 01:48:44,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:48:45,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:48:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:48:45,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 01:48:45,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72683542] [2024-11-24 01:48:45,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72683542] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:48:45,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1273002103] [2024-11-24 01:48:45,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:48:45,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:48:45,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e6c244-a137-4f66-9ce6-76d24535c33b/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:48:45,348 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e6c244-a137-4f66-9ce6-76d24535c33b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:48:45,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e6c244-a137-4f66-9ce6-76d24535c33b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:48:45,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:48:45,440 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 01:48:45,443 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:48:45,515 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:48:45,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1273002103] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:48:45,604 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:48:45,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6 [2024-11-24 01:48:45,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771612293] [2024-11-24 01:48:45,606 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:48:45,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 01:48:45,761 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:48:45,763 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:48:45,766 INFO L87 Difference]: Start difference. First operand has 76 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 75 states have internal predecessors, (103), 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 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 6 states have internal predecessors, (39), 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) [2024-11-24 01:48:45,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:48:45,867 INFO L93 Difference]: Finished difference Result 70 states and 86 transitions. [2024-11-24 01:48:45,870 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 70 states and 86 transitions. [2024-11-24 01:48:45,877 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 40 [2024-11-24 01:48:45,887 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 70 states to 60 states and 76 transitions. [2024-11-24 01:48:45,889 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 60 [2024-11-24 01:48:45,890 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 60 [2024-11-24 01:48:45,891 INFO L73 IsDeterministic]: Start isDeterministic. Operand 60 states and 76 transitions. [2024-11-24 01:48:45,892 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 01:48:45,892 INFO L218 hiAutomatonCegarLoop]: Abstraction has 60 states and 76 transitions. [2024-11-24 01:48:45,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states and 76 transitions. [2024-11-24 01:48:45,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-11-24 01:48:45,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 60 states have (on average 1.2666666666666666) internal successors, (76), 59 states have internal predecessors, (76), 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) [2024-11-24 01:48:45,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 76 transitions. [2024-11-24 01:48:45,931 INFO L240 hiAutomatonCegarLoop]: Abstraction has 60 states and 76 transitions. [2024-11-24 01:48:45,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:48:45,936 INFO L425 stractBuchiCegarLoop]: Abstraction has 60 states and 76 transitions. [2024-11-24 01:48:45,936 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-24 01:48:45,937 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 60 states and 76 transitions. [2024-11-24 01:48:45,941 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 40 [2024-11-24 01:48:45,941 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 01:48:45,941 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 01:48:45,941 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:48:45,941 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:48:45,942 INFO L747 eck$LassoCheckResult]: Stem: "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;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~7#1, main_~tmp~3#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "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;" "main_#t~ret33#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1;" "assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-24 01:48:45,942 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet44#1;test_~tmp~5#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet45#1;test_~tmp___0~0#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet46#1;test_~tmp___2~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;" "assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1;" "__utac_acc__Specification1_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret48#1;havoc __utac_acc__Specification1_spec__1_#t~ret48#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-24 01:48:45,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:48:45,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-24 01:48:45,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:48:45,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264803979] [2024-11-24 01:48:45,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:48:45,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:48:45,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:48:45,965 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:48:45,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:48:45,990 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:48:45,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:48:45,991 INFO L85 PathProgramCache]: Analyzing trace with hash -148170321, now seen corresponding path program 1 times [2024-11-24 01:48:45,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:48:45,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244113471] [2024-11-24 01:48:45,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:48:45,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:48:46,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:48:46,005 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:48:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:48:46,017 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:48:46,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:48:46,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1207248755, now seen corresponding path program 1 times [2024-11-24 01:48:46,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:48:46,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311133881] [2024-11-24 01:48:46,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:48:46,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:48:46,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:48:46,039 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:48:46,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:48:46,063 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:48:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:48:47,313 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:48:47,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:48:47,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 24.11 01:48:47 BoogieIcfgContainer [2024-11-24 01:48:47,377 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-24 01:48:47,378 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:48:47,379 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:48:47,380 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:48:47,380 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:48:44" (3/4) ... [2024-11-24 01:48:47,383 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-24 01:48:47,435 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e6c244-a137-4f66-9ce6-76d24535c33b/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 01:48:47,436 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:48:47,437 INFO L158 Benchmark]: Toolchain (without parser) took 3915.05ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 65.9MB in the end (delta: 25.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-24 01:48:47,437 INFO L158 Benchmark]: CDTParser took 1.02ms. Allocated memory is still 83.9MB. Free memory was 40.5MB in the beginning and 40.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:48:47,437 INFO L158 Benchmark]: CACSL2BoogieTranslator took 546.10ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 73.4MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:48:47,438 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.02ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 71.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:48:47,438 INFO L158 Benchmark]: Boogie Preprocessor took 46.78ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 69.7MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:48:47,439 INFO L158 Benchmark]: RCFGBuilder took 475.86ms. Allocated memory is still 117.4MB. Free memory was 69.7MB in the beginning and 54.7MB in the end (delta: 15.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:48:47,439 INFO L158 Benchmark]: BuchiAutomizer took 2732.19ms. Allocated memory is still 117.4MB. Free memory was 54.7MB in the beginning and 68.7MB in the end (delta: -13.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:48:47,440 INFO L158 Benchmark]: Witness Printer took 58.26ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 65.9MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:48:47,442 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.02ms. Allocated memory is still 83.9MB. Free memory was 40.5MB in the beginning and 40.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 546.10ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 73.4MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.02ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 71.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.78ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 69.7MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 475.86ms. Allocated memory is still 117.4MB. Free memory was 69.7MB in the beginning and 54.7MB in the end (delta: 15.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2732.19ms. Allocated memory is still 117.4MB. Free memory was 54.7MB in the beginning and 68.7MB in the end (delta: -13.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 58.26ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 65.9MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [87] - GenericResultAtLocation [Line: 453]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [453] - GenericResultAtLocation [Line: 539]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [539] - GenericResultAtLocation [Line: 548]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [548] - GenericResultAtLocation [Line: 647]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [647] - GenericResultAtLocation [Line: 776]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [776] - GenericResultAtLocation [Line: 841]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [841] * 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 7 locations. The remainder module has 60 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 85 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 85 mSDsluCounter, 238 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 157 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 81 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 789]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L257] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L460] int waterLevel = 1; [L461] int methaneLevelCritical = 0; [L549] int cleanupTimeShifts = 4; [L651] int pumpRunning = 0; [L652] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L625] int retValue_acc ; [L626] int tmp ; [L630] FCALL select_helpers() [L631] FCALL select_features() [L632] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L632] RET, EXPR valid_product() [L632] tmp = valid_product() [L634] COND TRUE \read(tmp) [L636] FCALL setup() [L637] CALL runTest() [L619] CALL test() [L778] int splverifierCounter ; [L779] int tmp ; [L780] int tmp___0 ; [L781] int tmp___1 ; [L782] int tmp___2 ; [L785] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L789] COND TRUE splverifierCounter < 4 [L795] tmp = __VERIFIER_nondet_int() [L797] COND FALSE !(\read(tmp)) [L805] tmp___0 = __VERIFIER_nondet_int() [L807] COND FALSE !(\read(tmp___0)) [L815] tmp___2 = __VERIFIER_nondet_int() [L817] COND TRUE \read(tmp___2) [L830] CALL timeShift() [L659] COND FALSE !(\read(pumpRunning)) [L666] COND TRUE \read(systemActive) [L668] FCALL processEnvironment() [L674] CALL __utac_acc__Specification1_spec__1() [L843] int tmp ; [L844] int tmp___0 ; [L848] CALL, EXPR isMethaneLevelCritical() [L499] int retValue_acc ; [L502] retValue_acc = methaneLevelCritical [L503] return (retValue_acc); [L848] RET, EXPR isMethaneLevelCritical() [L848] tmp = isMethaneLevelCritical() [L850] COND FALSE !(\read(tmp)) [L674] RET __utac_acc__Specification1_spec__1() [L830] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 789]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L257] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L460] int waterLevel = 1; [L461] int methaneLevelCritical = 0; [L549] int cleanupTimeShifts = 4; [L651] int pumpRunning = 0; [L652] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L625] int retValue_acc ; [L626] int tmp ; [L630] FCALL select_helpers() [L631] FCALL select_features() [L632] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L632] RET, EXPR valid_product() [L632] tmp = valid_product() [L634] COND TRUE \read(tmp) [L636] FCALL setup() [L637] CALL runTest() [L619] CALL test() [L778] int splverifierCounter ; [L779] int tmp ; [L780] int tmp___0 ; [L781] int tmp___1 ; [L782] int tmp___2 ; [L785] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L789] COND TRUE splverifierCounter < 4 [L795] tmp = __VERIFIER_nondet_int() [L797] COND FALSE !(\read(tmp)) [L805] tmp___0 = __VERIFIER_nondet_int() [L807] COND FALSE !(\read(tmp___0)) [L815] tmp___2 = __VERIFIER_nondet_int() [L817] COND TRUE \read(tmp___2) [L830] CALL timeShift() [L659] COND FALSE !(\read(pumpRunning)) [L666] COND TRUE \read(systemActive) [L668] FCALL processEnvironment() [L674] CALL __utac_acc__Specification1_spec__1() [L843] int tmp ; [L844] int tmp___0 ; [L848] CALL, EXPR isMethaneLevelCritical() [L499] int retValue_acc ; [L502] retValue_acc = methaneLevelCritical [L503] return (retValue_acc); [L848] RET, EXPR isMethaneLevelCritical() [L848] tmp = isMethaneLevelCritical() [L850] COND FALSE !(\read(tmp)) [L674] RET __utac_acc__Specification1_spec__1() [L830] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-24 01:48:47,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e6c244-a137-4f66-9ce6-76d24535c33b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 01:48:47,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e6c244-a137-4f66-9ce6-76d24535c33b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)