./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd3b7d6-23eb-40b4-ab5c-e24d63234a15/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd3b7d6-23eb-40b4-ab5c-e24d63234a15/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd3b7d6-23eb-40b4-ab5c-e24d63234a15/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd3b7d6-23eb-40b4-ab5c-e24d63234a15/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd3b7d6-23eb-40b4-ab5c-e24d63234a15/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd3b7d6-23eb-40b4-ab5c-e24d63234a15/bin/uautomizer-verify-aQ6SnzHsRB --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 9e3cb2f788bd8b6aed266239a667d8aec45bc37eed8a60a4f1b6f4064a5672f5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:26:49,098 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:26:49,182 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd3b7d6-23eb-40b4-ab5c-e24d63234a15/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-27 23:26:49,188 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:26:49,189 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:26:49,218 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:26:49,219 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:26:49,220 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:26:49,220 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:26:49,220 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:26:49,221 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:26:49,221 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:26:49,221 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:26:49,221 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-27 23:26:49,221 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-27 23:26:49,222 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-27 23:26:49,222 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-27 23:26:49,222 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-27 23:26:49,222 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-27 23:26:49,222 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:26:49,223 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-27 23:26:49,223 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 23:26:49,223 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:26:49,223 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 23:26:49,223 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:26:49,223 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-27 23:26:49,224 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-27 23:26:49,224 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-27 23:26:49,224 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 23:26:49,224 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 23:26:49,224 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:26:49,225 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-27 23:26:49,225 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:26:49,225 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:26:49,225 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:26:49,225 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:26:49,225 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:26:49,225 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-27 23:26:49,226 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-27 23:26:49,226 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_8dd3b7d6-23eb-40b4-ab5c-e24d63234a15/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 9e3cb2f788bd8b6aed266239a667d8aec45bc37eed8a60a4f1b6f4064a5672f5 [2024-11-27 23:26:49,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:26:49,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:26:49,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:26:49,574 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:26:49,575 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:26:49,576 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd3b7d6-23eb-40b4-ab5c-e24d63234a15/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c [2024-11-27 23:26:53,000 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd3b7d6-23eb-40b4-ab5c-e24d63234a15/bin/uautomizer-verify-aQ6SnzHsRB/data/f7ead68a3/dc3aa34bc5854918851a580bd9dab3ee/FLAG3816b8559 [2024-11-27 23:26:53,497 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:26:53,498 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd3b7d6-23eb-40b4-ab5c-e24d63234a15/sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c [2024-11-27 23:26:53,512 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd3b7d6-23eb-40b4-ab5c-e24d63234a15/bin/uautomizer-verify-aQ6SnzHsRB/data/f7ead68a3/dc3aa34bc5854918851a580bd9dab3ee/FLAG3816b8559 [2024-11-27 23:26:53,543 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd3b7d6-23eb-40b4-ab5c-e24d63234a15/bin/uautomizer-verify-aQ6SnzHsRB/data/f7ead68a3/dc3aa34bc5854918851a580bd9dab3ee [2024-11-27 23:26:53,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:26:53,550 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:26:53,552 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:26:53,552 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:26:53,559 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:26:53,560 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:26:53" (1/1) ... [2024-11-27 23:26:53,563 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e47b86f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:26:53, skipping insertion in model container [2024-11-27 23:26:53,563 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:26:53" (1/1) ... [2024-11-27 23:26:53,619 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:26:53,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:26:54,006 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:26:54,015 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2024-11-27 23:26:54,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [165] [2024-11-27 23:26:54,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [233] [2024-11-27 23:26:54,018 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [271] [2024-11-27 23:26:54,018 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [307] [2024-11-27 23:26:54,018 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [316] [2024-11-27 23:26:54,018 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [412] [2024-11-27 23:26:54,018 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [492] [2024-11-27 23:26:54,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:26:54,170 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:26:54,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:26:54 WrapperNode [2024-11-27 23:26:54,172 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:26:54,174 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:26:54,174 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:26:54,174 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:26:54,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:26:54" (1/1) ... [2024-11-27 23:26:54,206 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:26:54" (1/1) ... [2024-11-27 23:26:54,233 INFO L138 Inliner]: procedures = 49, calls = 90, calls flagged for inlining = 43, calls inlined = 38, statements flattened = 259 [2024-11-27 23:26:54,234 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:26:54,234 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:26:54,235 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:26:54,235 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:26:54,245 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:26:54" (1/1) ... [2024-11-27 23:26:54,246 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:26:54" (1/1) ... [2024-11-27 23:26:54,249 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:26:54" (1/1) ... [2024-11-27 23:26:54,282 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]. [2024-11-27 23:26:54,283 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:26:54" (1/1) ... [2024-11-27 23:26:54,283 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:26:54" (1/1) ... [2024-11-27 23:26:54,292 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:26:54" (1/1) ... [2024-11-27 23:26:54,294 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:26:54" (1/1) ... [2024-11-27 23:26:54,298 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:26:54" (1/1) ... [2024-11-27 23:26:54,300 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:26:54" (1/1) ... [2024-11-27 23:26:54,301 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:26:54" (1/1) ... [2024-11-27 23:26:54,303 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:26:54,304 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:26:54,305 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:26:54,305 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:26:54,306 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:26:54" (1/1) ... [2024-11-27 23:26:54,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:26:54,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd3b7d6-23eb-40b4-ab5c-e24d63234a15/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:26:54,345 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd3b7d6-23eb-40b4-ab5c-e24d63234a15/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:26:54,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd3b7d6-23eb-40b4-ab5c-e24d63234a15/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-27 23:26:54,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:26:54,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 23:26:54,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:26:54,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:26:54,480 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:26:54,483 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:26:54,829 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-27 23:26:54,829 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:26:54,843 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:26:54,843 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-27 23:26:54,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:26:54 BoogieIcfgContainer [2024-11-27 23:26:54,843 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:26:54,844 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-27 23:26:54,844 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-27 23:26:54,851 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-27 23:26:54,852 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 23:26:54,852 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.11 11:26:53" (1/3) ... [2024-11-27 23:26:54,853 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5fde658c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.11 11:26:54, skipping insertion in model container [2024-11-27 23:26:54,853 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 23:26:54,854 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:26:54" (2/3) ... [2024-11-27 23:26:54,854 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5fde658c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.11 11:26:54, skipping insertion in model container [2024-11-27 23:26:54,854 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 23:26:54,854 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:26:54" (3/3) ... [2024-11-27 23:26:54,855 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product01.cil.c [2024-11-27 23:26:54,916 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-27 23:26:54,917 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-27 23:26:54,917 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-27 23:26:54,917 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-27 23:26:54,917 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-27 23:26:54,917 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-27 23:26:54,917 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-27 23:26:54,918 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-27 23:26:54,924 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 82 states, 81 states have (on average 1.382716049382716) internal successors, (112), 81 states have internal predecessors, (112), 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) [2024-11-27 23:26:54,946 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2024-11-27 23:26:54,949 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:26:54,949 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:26:54,957 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:26:54,957 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:26:54,957 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-27 23:26:54,958 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 82 states, 81 states have (on average 1.382716049382716) internal successors, (112), 81 states have internal predecessors, (112), 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) [2024-11-27 23:26:54,962 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2024-11-27 23:26:54,963 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:26:54,963 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:26:54,963 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:26:54,963 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:26:54,972 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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~4#1, main_~tmp~2#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~2#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~3#1;havoc valid_product_~retValue_acc~3#1;valid_product_~retValue_acc~3#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~3#1;" "main_#t~ret21#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;assume { :end_inline_valid_product } true;main_~tmp~2#1 := main_#t~ret21#1;havoc main_#t~ret21#1;" "assume 0 != main_~tmp~2#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-27 23:26:54,972 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet13#1;test_~tmp~0#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet14#1;test_~tmp___0~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet15#1;test_~tmp___2~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#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__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret18#1, __utac_acc__Specification3_spec__1_#t~ret19#1, __utac_acc__Specification3_spec__1_#t~ret20#1, __utac_acc__Specification3_spec__1_~tmp~1#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#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__Specification3_spec__1_#t~ret18#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~1#1 := __utac_acc__Specification3_spec__1_#t~ret18#1;havoc __utac_acc__Specification3_spec__1_#t~ret18#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~1#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret18#1, __utac_acc__Specification3_spec__1_#t~ret19#1, __utac_acc__Specification3_spec__1_#t~ret20#1, __utac_acc__Specification3_spec__1_~tmp~1#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-27 23:26:54,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:26:54,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-27 23:26:54,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:26:54,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227183878] [2024-11-27 23:26:54,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:26:54,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:26:55,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:26:55,125 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:26:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:26:55,186 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:26:55,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:26:55,189 INFO L85 PathProgramCache]: Analyzing trace with hash -302148216, now seen corresponding path program 1 times [2024-11-27 23:26:55,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:26:55,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761635093] [2024-11-27 23:26:55,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:26:55,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:26:55,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:26:55,201 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:26:55,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:26:55,210 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:26:55,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:26:55,212 INFO L85 PathProgramCache]: Analyzing trace with hash -258425020, now seen corresponding path program 1 times [2024-11-27 23:26:55,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:26:55,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301315949] [2024-11-27 23:26:55,213 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:26:55,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:26:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:26:55,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 23:26:55,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301315949] [2024-11-27 23:26:55,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301315949] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:26:55,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178351995] [2024-11-27 23:26:55,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:26:55,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:26:55,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd3b7d6-23eb-40b4-ab5c-e24d63234a15/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:26:55,598 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd3b7d6-23eb-40b4-ab5c-e24d63234a15/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:26:55,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd3b7d6-23eb-40b4-ab5c-e24d63234a15/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 23:26:55,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:26:55,717 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 23:26:55,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:26:55,819 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:26:55,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178351995] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:26:55,897 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:26:55,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6 [2024-11-27 23:26:55,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911684013] [2024-11-27 23:26:55,899 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:26:56,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 23:26:56,043 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:26:56,045 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:26:56,049 INFO L87 Difference]: Start difference. First operand has 82 states, 81 states have (on average 1.382716049382716) internal successors, (112), 81 states have internal predecessors, (112), 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) [2024-11-27 23:26:56,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:26:56,162 INFO L93 Difference]: Finished difference Result 76 states and 95 transitions. [2024-11-27 23:26:56,163 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 76 states and 95 transitions. [2024-11-27 23:26:56,166 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 44 [2024-11-27 23:26:56,173 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 76 states to 66 states and 85 transitions. [2024-11-27 23:26:56,174 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 66 [2024-11-27 23:26:56,174 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 66 [2024-11-27 23:26:56,175 INFO L73 IsDeterministic]: Start isDeterministic. Operand 66 states and 85 transitions. [2024-11-27 23:26:56,175 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 23:26:56,176 INFO L218 hiAutomatonCegarLoop]: Abstraction has 66 states and 85 transitions. [2024-11-27 23:26:56,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states and 85 transitions. [2024-11-27 23:26:56,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-11-27 23:26:56,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 66 states have (on average 1.2878787878787878) internal successors, (85), 65 states have internal predecessors, (85), 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) [2024-11-27 23:26:56,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 85 transitions. [2024-11-27 23:26:56,219 INFO L240 hiAutomatonCegarLoop]: Abstraction has 66 states and 85 transitions. [2024-11-27 23:26:56,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:26:56,227 INFO L425 stractBuchiCegarLoop]: Abstraction has 66 states and 85 transitions. [2024-11-27 23:26:56,227 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-27 23:26:56,227 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states and 85 transitions. [2024-11-27 23:26:56,229 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 44 [2024-11-27 23:26:56,229 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:26:56,229 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:26:56,229 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:26:56,230 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:26:56,230 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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~4#1, main_~tmp~2#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~2#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~3#1;havoc valid_product_~retValue_acc~3#1;valid_product_~retValue_acc~3#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~3#1;" "main_#t~ret21#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;assume { :end_inline_valid_product } true;main_~tmp~2#1 := main_#t~ret21#1;havoc main_#t~ret21#1;" "assume 0 != main_~tmp~2#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-27 23:26:56,230 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet13#1;test_~tmp~0#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet14#1;test_~tmp___0~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet15#1;test_~tmp___2~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#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__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret18#1, __utac_acc__Specification3_spec__1_#t~ret19#1, __utac_acc__Specification3_spec__1_#t~ret20#1, __utac_acc__Specification3_spec__1_~tmp~1#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#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__Specification3_spec__1_#t~ret18#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~1#1 := __utac_acc__Specification3_spec__1_#t~ret18#1;havoc __utac_acc__Specification3_spec__1_#t~ret18#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~1#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret18#1, __utac_acc__Specification3_spec__1_#t~ret19#1, __utac_acc__Specification3_spec__1_#t~ret20#1, __utac_acc__Specification3_spec__1_~tmp~1#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-27 23:26:56,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:26:56,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-27 23:26:56,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:26:56,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24960078] [2024-11-27 23:26:56,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:26:56,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:26:56,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:26:56,255 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:26:56,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:26:56,265 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:26:56,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:26:56,266 INFO L85 PathProgramCache]: Analyzing trace with hash -148185473, now seen corresponding path program 1 times [2024-11-27 23:26:56,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:26:56,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422729451] [2024-11-27 23:26:56,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:26:56,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:26:56,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:26:56,273 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:26:56,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:26:56,280 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:26:56,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:26:56,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1207233603, now seen corresponding path program 1 times [2024-11-27 23:26:56,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:26:56,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047536999] [2024-11-27 23:26:56,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:26:56,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:26:56,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:26:56,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 23:26:56,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047536999] [2024-11-27 23:26:56,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047536999] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:26:56,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185792493] [2024-11-27 23:26:56,504 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:26:56,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:26:56,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd3b7d6-23eb-40b4-ab5c-e24d63234a15/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:26:56,513 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd3b7d6-23eb-40b4-ab5c-e24d63234a15/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:26:56,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd3b7d6-23eb-40b4-ab5c-e24d63234a15/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 23:26:56,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:26:56,608 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 23:26:56,611 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:26:56,669 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:26:56,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1185792493] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:26:56,726 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:26:56,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2024-11-27 23:26:56,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303180083] [2024-11-27 23:26:56,727 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:26:56,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 23:26:56,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:26:56,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:26:56,795 INFO L87 Difference]: Start difference. First operand 66 states and 85 transitions. cyclomatic complexity: 21 Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:26:56,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:26:56,910 INFO L93 Difference]: Finished difference Result 125 states and 159 transitions. [2024-11-27 23:26:56,910 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 125 states and 159 transitions. [2024-11-27 23:26:56,913 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 88 [2024-11-27 23:26:56,918 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 125 states to 125 states and 159 transitions. [2024-11-27 23:26:56,918 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 125 [2024-11-27 23:26:56,919 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 125 [2024-11-27 23:26:56,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 125 states and 159 transitions. [2024-11-27 23:26:56,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 23:26:56,920 INFO L218 hiAutomatonCegarLoop]: Abstraction has 125 states and 159 transitions. [2024-11-27 23:26:56,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states and 159 transitions. [2024-11-27 23:26:56,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2024-11-27 23:26:56,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 125 states have (on average 1.272) internal successors, (159), 124 states have internal predecessors, (159), 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) [2024-11-27 23:26:56,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 159 transitions. [2024-11-27 23:26:56,930 INFO L240 hiAutomatonCegarLoop]: Abstraction has 125 states and 159 transitions. [2024-11-27 23:26:56,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:26:56,931 INFO L425 stractBuchiCegarLoop]: Abstraction has 125 states and 159 transitions. [2024-11-27 23:26:56,932 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-27 23:26:56,932 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 125 states and 159 transitions. [2024-11-27 23:26:56,934 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 88 [2024-11-27 23:26:56,934 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:26:56,934 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:26:56,935 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:26:56,935 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:26:56,935 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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~4#1, main_~tmp~2#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~2#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~3#1;havoc valid_product_~retValue_acc~3#1;valid_product_~retValue_acc~3#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~3#1;" "main_#t~ret21#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;assume { :end_inline_valid_product } true;main_~tmp~2#1 := main_#t~ret21#1;havoc main_#t~ret21#1;" "assume 0 != main_~tmp~2#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-27 23:26:56,935 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet13#1;test_~tmp~0#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet14#1;test_~tmp___0~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet15#1;test_~tmp___2~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#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__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret18#1, __utac_acc__Specification3_spec__1_#t~ret19#1, __utac_acc__Specification3_spec__1_#t~ret20#1, __utac_acc__Specification3_spec__1_~tmp~1#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#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__Specification3_spec__1_#t~ret18#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~1#1 := __utac_acc__Specification3_spec__1_#t~ret18#1;havoc __utac_acc__Specification3_spec__1_#t~ret18#1;" "assume !(0 != __utac_acc__Specification3_spec__1_~tmp~1#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1;" "__utac_acc__Specification3_spec__1_#t~ret19#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~1#1 := __utac_acc__Specification3_spec__1_#t~ret19#1;havoc __utac_acc__Specification3_spec__1_#t~ret19#1;" "assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~1#1);" "havoc __utac_acc__Specification3_spec__1_#t~ret18#1, __utac_acc__Specification3_spec__1_#t~ret19#1, __utac_acc__Specification3_spec__1_#t~ret20#1, __utac_acc__Specification3_spec__1_~tmp~1#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-27 23:26:56,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:26:56,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-11-27 23:26:56,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:26:56,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983048245] [2024-11-27 23:26:56,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:26:56,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:26:56,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:26:56,946 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:26:56,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:26:56,955 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:26:56,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:26:56,956 INFO L85 PathProgramCache]: Analyzing trace with hash -671127980, now seen corresponding path program 1 times [2024-11-27 23:26:56,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:26:56,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308596273] [2024-11-27 23:26:56,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:26:56,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:26:56,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:26:56,971 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:26:56,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:26:56,980 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:26:56,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:26:56,981 INFO L85 PathProgramCache]: Analyzing trace with hash 511513368, now seen corresponding path program 1 times [2024-11-27 23:26:56,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:26:56,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792943477] [2024-11-27 23:26:56,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:26:56,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:26:56,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:26:56,995 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:26:57,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:26:57,008 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:26:58,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:26:58,427 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:26:58,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:26:58,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.11 11:26:58 BoogieIcfgContainer [2024-11-27 23:26:58,496 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-27 23:26:58,496 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 23:26:58,497 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 23:26:58,498 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 23:26:58,502 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:26:54" (3/4) ... [2024-11-27 23:26:58,504 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-27 23:26:58,572 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd3b7d6-23eb-40b4-ab5c-e24d63234a15/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 23:26:58,572 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 23:26:58,576 INFO L158 Benchmark]: Toolchain (without parser) took 5023.79ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 118.3MB in the beginning and 293.0MB in the end (delta: -174.8MB). Peak memory consumption was 107.4MB. Max. memory is 16.1GB. [2024-11-27 23:26:58,576 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:26:58,576 INFO L158 Benchmark]: CACSL2BoogieTranslator took 621.01ms. Allocated memory is still 142.6MB. Free memory was 118.0MB in the beginning and 100.2MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 23:26:58,577 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.40ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 98.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:26:58,577 INFO L158 Benchmark]: Boogie Preprocessor took 69.17ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 96.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:26:58,577 INFO L158 Benchmark]: RCFGBuilder took 539.08ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 80.5MB in the end (delta: 16.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 23:26:58,578 INFO L158 Benchmark]: BuchiAutomizer took 3651.52ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 80.5MB in the beginning and 295.7MB in the end (delta: -215.2MB). Peak memory consumption was 82.2MB. Max. memory is 16.1GB. [2024-11-27 23:26:58,578 INFO L158 Benchmark]: Witness Printer took 75.86ms. Allocated memory is still 427.8MB. Free memory was 295.7MB in the beginning and 293.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:26:58,584 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 621.01ms. Allocated memory is still 142.6MB. Free memory was 118.0MB in the beginning and 100.2MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.40ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 98.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 69.17ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 96.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 539.08ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 80.5MB in the end (delta: 16.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 3651.52ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 80.5MB in the beginning and 295.7MB in the end (delta: -215.2MB). Peak memory consumption was 82.2MB. Max. memory is 16.1GB. * Witness Printer took 75.86ms. Allocated memory is still 427.8MB. Free memory was 295.7MB in the beginning and 293.0MB in the end (delta: 2.7MB). 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,"MinePump.i","") [49] - GenericResultAtLocation [Line: 165]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [165] - GenericResultAtLocation [Line: 233]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [233] - GenericResultAtLocation [Line: 271]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [271] - GenericResultAtLocation [Line: 307]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [307] - GenericResultAtLocation [Line: 316]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [316] - GenericResultAtLocation [Line: 412]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [412] - GenericResultAtLocation [Line: 492]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [492] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 7 locations. The remainder module has 125 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 237 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 237 mSDsluCounter, 560 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 394 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 58 IncrementalHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 166 mSDtfsCounter, 58 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 181]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L58] int pumpRunning = 0; [L59] int systemActive = 1; [L317] int cleanupTimeShifts = 4; [L413] int waterLevel = 1; [L414] int methaneLevelCritical = 0; [L662] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L390] int retValue_acc ; [L391] int tmp ; [L395] FCALL select_helpers() [L396] FCALL select_features() [L397] CALL, EXPR valid_product() [L263] int retValue_acc ; [L266] retValue_acc = 1 [L267] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L397] RET, EXPR valid_product() [L397] tmp = valid_product() [L399] COND TRUE \read(tmp) [L401] FCALL setup() [L402] CALL runTest() [L384] CALL test() [L170] int splverifierCounter ; [L171] int tmp ; [L172] int tmp___0 ; [L173] int tmp___1 ; [L174] int tmp___2 ; [L177] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L181] COND TRUE splverifierCounter < 4 [L187] tmp = __VERIFIER_nondet_int() [L189] COND FALSE !(\read(tmp)) [L197] tmp___0 = __VERIFIER_nondet_int() [L199] COND FALSE !(\read(tmp___0)) [L207] tmp___2 = __VERIFIER_nondet_int() [L209] COND TRUE \read(tmp___2) [L222] CALL timeShift() [L66] COND FALSE !(\read(pumpRunning)) [L73] COND TRUE \read(systemActive) [L75] FCALL processEnvironment() [L81] CALL __utac_acc__Specification3_spec__1() [L275] int tmp ; [L276] int tmp___0 ; [L277] int tmp___1 ; [L281] CALL, EXPR isMethaneLevelCritical() [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] return (retValue_acc); [L281] RET, EXPR isMethaneLevelCritical() [L281] tmp = isMethaneLevelCritical() [L283] COND FALSE !(\read(tmp)) [L287] CALL, EXPR getWaterLevel() [L484] int retValue_acc ; [L487] retValue_acc = waterLevel [L488] return (retValue_acc); [L287] RET, EXPR getWaterLevel() [L287] tmp___0 = getWaterLevel() [L289] COND FALSE !(tmp___0 == 2) [L81] RET __utac_acc__Specification3_spec__1() [L222] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 181]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L58] int pumpRunning = 0; [L59] int systemActive = 1; [L317] int cleanupTimeShifts = 4; [L413] int waterLevel = 1; [L414] int methaneLevelCritical = 0; [L662] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L390] int retValue_acc ; [L391] int tmp ; [L395] FCALL select_helpers() [L396] FCALL select_features() [L397] CALL, EXPR valid_product() [L263] int retValue_acc ; [L266] retValue_acc = 1 [L267] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L397] RET, EXPR valid_product() [L397] tmp = valid_product() [L399] COND TRUE \read(tmp) [L401] FCALL setup() [L402] CALL runTest() [L384] CALL test() [L170] int splverifierCounter ; [L171] int tmp ; [L172] int tmp___0 ; [L173] int tmp___1 ; [L174] int tmp___2 ; [L177] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L181] COND TRUE splverifierCounter < 4 [L187] tmp = __VERIFIER_nondet_int() [L189] COND FALSE !(\read(tmp)) [L197] tmp___0 = __VERIFIER_nondet_int() [L199] COND FALSE !(\read(tmp___0)) [L207] tmp___2 = __VERIFIER_nondet_int() [L209] COND TRUE \read(tmp___2) [L222] CALL timeShift() [L66] COND FALSE !(\read(pumpRunning)) [L73] COND TRUE \read(systemActive) [L75] FCALL processEnvironment() [L81] CALL __utac_acc__Specification3_spec__1() [L275] int tmp ; [L276] int tmp___0 ; [L277] int tmp___1 ; [L281] CALL, EXPR isMethaneLevelCritical() [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] return (retValue_acc); [L281] RET, EXPR isMethaneLevelCritical() [L281] tmp = isMethaneLevelCritical() [L283] COND FALSE !(\read(tmp)) [L287] CALL, EXPR getWaterLevel() [L484] int retValue_acc ; [L487] retValue_acc = waterLevel [L488] return (retValue_acc); [L287] RET, EXPR getWaterLevel() [L287] tmp___0 = getWaterLevel() [L289] COND FALSE !(tmp___0 == 2) [L81] RET __utac_acc__Specification3_spec__1() [L222] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-27 23:26:58,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd3b7d6-23eb-40b4-ab5c-e24d63234a15/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-27 23:26:58,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd3b7d6-23eb-40b4-ab5c-e24d63234a15/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-27 23:26:59,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd3b7d6-23eb-40b4-ab5c-e24d63234a15/bin/uautomizer-verify-aQ6SnzHsRB/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)