./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product12.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_1f347061-7e8b-4e3f-8e9d-c7fca69307eb/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f347061-7e8b-4e3f-8e9d-c7fca69307eb/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_1f347061-7e8b-4e3f-8e9d-c7fca69307eb/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f347061-7e8b-4e3f-8e9d-c7fca69307eb/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product12.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f347061-7e8b-4e3f-8e9d-c7fca69307eb/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_1f347061-7e8b-4e3f-8e9d-c7fca69307eb/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 a08a330faab409752e65fe7d3101f81f24601e18bc944ca2e918542b1c9d8232 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:10:46,252 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:10:46,311 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f347061-7e8b-4e3f-8e9d-c7fca69307eb/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-28 04:10:46,316 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:10:46,317 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:10:46,341 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:10:46,342 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:10:46,342 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:10:46,342 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:10:46,342 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:10:46,343 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:10:46,343 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:10:46,343 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:10:46,343 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 04:10:46,343 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 04:10:46,343 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 04:10:46,344 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 04:10:46,344 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 04:10:46,344 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 04:10:46,344 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:10:46,344 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 04:10:46,344 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:10:46,344 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:10:46,344 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:10:46,345 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:10:46,345 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 04:10:46,345 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 04:10:46,345 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 04:10:46,345 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:10:46,345 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:10:46,345 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:10:46,345 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 04:10:46,345 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:10:46,345 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:10:46,345 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:10:46,346 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:10:46,346 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:10:46,346 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 04:10:46,346 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 04:10:46,346 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_1f347061-7e8b-4e3f-8e9d-c7fca69307eb/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 -> a08a330faab409752e65fe7d3101f81f24601e18bc944ca2e918542b1c9d8232 [2024-11-28 04:10:46,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:10:46,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:10:46,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:10:46,620 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:10:46,621 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:10:46,622 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f347061-7e8b-4e3f-8e9d-c7fca69307eb/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/product-lines/minepump_spec5_product12.cil.c [2024-11-28 04:10:49,586 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f347061-7e8b-4e3f-8e9d-c7fca69307eb/bin/uautomizer-verify-aQ6SnzHsRB/data/967cc7c24/d10fd16724a140a0a757294de16d2560/FLAGbbfc05a39 [2024-11-28 04:10:49,912 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:10:49,912 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f347061-7e8b-4e3f-8e9d-c7fca69307eb/sv-benchmarks/c/product-lines/minepump_spec5_product12.cil.c [2024-11-28 04:10:49,923 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f347061-7e8b-4e3f-8e9d-c7fca69307eb/bin/uautomizer-verify-aQ6SnzHsRB/data/967cc7c24/d10fd16724a140a0a757294de16d2560/FLAGbbfc05a39 [2024-11-28 04:10:49,947 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f347061-7e8b-4e3f-8e9d-c7fca69307eb/bin/uautomizer-verify-aQ6SnzHsRB/data/967cc7c24/d10fd16724a140a0a757294de16d2560 [2024-11-28 04:10:49,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:10:49,953 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:10:49,955 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:10:49,956 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:10:49,960 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:10:49,961 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:10:49" (1/1) ... [2024-11-28 04:10:49,962 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59eb4608 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:49, skipping insertion in model container [2024-11-28 04:10:49,962 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:10:49" (1/1) ... [2024-11-28 04:10:50,007 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:10:50,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:10:50,333 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:10:50,341 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [49] [2024-11-28 04:10:50,343 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [101] [2024-11-28 04:10:50,343 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [261] [2024-11-28 04:10:50,343 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [343] [2024-11-28 04:10:50,344 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [413] [2024-11-28 04:10:50,344 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [422] [2024-11-28 04:10:50,344 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [522] [2024-11-28 04:10:50,344 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [888] [2024-11-28 04:10:50,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:10:50,470 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:10:50,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:50 WrapperNode [2024-11-28 04:10:50,470 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:10:50,471 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:10:50,471 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:10:50,471 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:10:50,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:50" (1/1) ... [2024-11-28 04:10:50,486 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:50" (1/1) ... [2024-11-28 04:10:50,511 INFO L138 Inliner]: procedures = 54, calls = 97, calls flagged for inlining = 50, calls inlined = 45, statements flattened = 276 [2024-11-28 04:10:50,511 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:10:50,511 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:10:50,512 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:10:50,512 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:10:50,520 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:50" (1/1) ... [2024-11-28 04:10:50,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:50" (1/1) ... [2024-11-28 04:10:50,522 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:50" (1/1) ... [2024-11-28 04:10:50,536 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]. [2024-11-28 04:10:50,536 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:50" (1/1) ... [2024-11-28 04:10:50,536 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:50" (1/1) ... [2024-11-28 04:10:50,541 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:50" (1/1) ... [2024-11-28 04:10:50,542 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:50" (1/1) ... [2024-11-28 04:10:50,546 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:50" (1/1) ... [2024-11-28 04:10:50,547 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:50" (1/1) ... [2024-11-28 04:10:50,548 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:50" (1/1) ... [2024-11-28 04:10:50,550 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:10:50,551 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:10:50,551 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:10:50,551 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:10:50,552 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:50" (1/1) ... [2024-11-28 04:10:50,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:10:50,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f347061-7e8b-4e3f-8e9d-c7fca69307eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:10:50,602 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f347061-7e8b-4e3f-8e9d-c7fca69307eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:10:50,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f347061-7e8b-4e3f-8e9d-c7fca69307eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 04:10:50,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:10:50,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:10:50,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:10:50,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:10:50,727 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:10:50,729 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:10:51,029 INFO L? ?]: Removed 49 outVars from TransFormulas that were not future-live. [2024-11-28 04:10:51,029 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:10:51,040 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:10:51,041 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-28 04:10:51,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:10:51 BoogieIcfgContainer [2024-11-28 04:10:51,041 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:10:51,042 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 04:10:51,042 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 04:10:51,048 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 04:10:51,049 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 04:10:51,050 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 04:10:49" (1/3) ... [2024-11-28 04:10:51,051 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@777fc98a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 04:10:51, skipping insertion in model container [2024-11-28 04:10:51,052 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 04:10:51,052 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:50" (2/3) ... [2024-11-28 04:10:51,054 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@777fc98a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 04:10:51, skipping insertion in model container [2024-11-28 04:10:51,054 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 04:10:51,054 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:10:51" (3/3) ... [2024-11-28 04:10:51,056 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product12.cil.c [2024-11-28 04:10:51,113 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 04:10:51,113 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 04:10:51,113 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 04:10:51,114 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 04:10:51,114 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 04:10:51,114 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 04:10:51,114 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 04:10:51,114 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 04:10:51,120 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 91 states, 90 states have (on average 1.3555555555555556) internal successors, (122), 90 states have internal predecessors, (122), 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) [2024-11-28 04:10:51,143 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 57 [2024-11-28 04:10:51,144 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:10:51,144 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:10:51,152 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:10:51,152 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:10:51,152 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 04:10:51,154 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 91 states, 90 states have (on average 1.3555555555555556) internal successors, (122), 90 states have internal predecessors, (122), 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) [2024-11-28 04:10:51,159 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 57 [2024-11-28 04:10:51,160 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:10:51,160 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:10:51,160 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:10:51,160 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:10:51,168 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);~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~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~ret26#1, main_~retValue_acc~4#1, main_~tmp~3#1;havoc main_~retValue_acc~4#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1;" "main_#t~ret26#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret26#1;havoc main_#t~ret26#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___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-28 04:10:51,168 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet22#1;test_~tmp~2#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1;" "assume !(0 != test_~tmp~2#1);" "havoc test_#t~nondet23#1;test_~tmp___0~1#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet24#1;test_~tmp___2~0#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet25#1;test_~tmp___1~0#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1;" "assume !(0 != test_~tmp___1~0#1);" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1;" "__utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2024-11-28 04:10:51,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:10:51,173 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-11-28 04:10:51,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:10:51,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725159960] [2024-11-28 04:10:51,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:10:51,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:10:51,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:10:51,283 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:10:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:10:51,333 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:10:51,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:10:51,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1228109755, now seen corresponding path program 1 times [2024-11-28 04:10:51,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:10:51,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399933519] [2024-11-28 04:10:51,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:10:51,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:10:51,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:10:51,353 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:10:51,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:10:51,372 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:10:51,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:10:51,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1727505134, now seen corresponding path program 1 times [2024-11-28 04:10:51,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:10:51,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115092012] [2024-11-28 04:10:51,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:10:51,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:10:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:10:51,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 04:10:51,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115092012] [2024-11-28 04:10:51,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115092012] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:10:51,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975726166] [2024-11-28 04:10:51,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:10:51,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:10:51,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f347061-7e8b-4e3f-8e9d-c7fca69307eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:10:51,643 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f347061-7e8b-4e3f-8e9d-c7fca69307eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:10:51,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f347061-7e8b-4e3f-8e9d-c7fca69307eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:10:51,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:10:51,740 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:10:51,744 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:10:51,850 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:10:51,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975726166] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:10:51,925 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:10:51,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6 [2024-11-28 04:10:51,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190454262] [2024-11-28 04:10:51,927 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:10:52,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 04:10:52,094 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:10:52,095 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:10:52,098 INFO L87 Difference]: Start difference. First operand has 91 states, 90 states have (on average 1.3555555555555556) internal successors, (122), 90 states have internal predecessors, (122), 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 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 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) [2024-11-28 04:10:52,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:10:52,259 INFO L93 Difference]: Finished difference Result 232 states and 295 transitions. [2024-11-28 04:10:52,263 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 232 states and 295 transitions. [2024-11-28 04:10:52,273 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 147 [2024-11-28 04:10:52,287 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 232 states to 202 states and 265 transitions. [2024-11-28 04:10:52,289 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 202 [2024-11-28 04:10:52,290 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 202 [2024-11-28 04:10:52,290 INFO L73 IsDeterministic]: Start isDeterministic. Operand 202 states and 265 transitions. [2024-11-28 04:10:52,291 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 04:10:52,292 INFO L218 hiAutomatonCegarLoop]: Abstraction has 202 states and 265 transitions. [2024-11-28 04:10:52,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states and 265 transitions. [2024-11-28 04:10:52,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 134. [2024-11-28 04:10:52,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 134 states have (on average 1.3134328358208955) internal successors, (176), 133 states have internal predecessors, (176), 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) [2024-11-28 04:10:52,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 176 transitions. [2024-11-28 04:10:52,323 INFO L240 hiAutomatonCegarLoop]: Abstraction has 134 states and 176 transitions. [2024-11-28 04:10:52,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:10:52,328 INFO L425 stractBuchiCegarLoop]: Abstraction has 134 states and 176 transitions. [2024-11-28 04:10:52,328 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 04:10:52,328 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 134 states and 176 transitions. [2024-11-28 04:10:52,332 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 95 [2024-11-28 04:10:52,332 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:10:52,332 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:10:52,332 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:10:52,332 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:10:52,333 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);~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~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~ret26#1, main_~retValue_acc~4#1, main_~tmp~3#1;havoc main_~retValue_acc~4#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1;" "main_#t~ret26#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret26#1;havoc main_#t~ret26#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___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-28 04:10:52,333 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet22#1;test_~tmp~2#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1;" "assume !(0 != test_~tmp~2#1);" "havoc test_#t~nondet23#1;test_~tmp___0~1#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet24#1;test_~tmp___2~0#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet25#1;test_~tmp___1~0#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1;" "assume !(0 != test_~tmp___1~0#1);" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;" "assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1;" "__utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2024-11-28 04:10:52,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:10:52,333 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-11-28 04:10:52,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:10:52,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32794995] [2024-11-28 04:10:52,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:10:52,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:10:52,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:10:52,353 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:10:52,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:10:52,366 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:10:52,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:10:52,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1211144609, now seen corresponding path program 1 times [2024-11-28 04:10:52,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:10:52,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972069963] [2024-11-28 04:10:52,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:10:52,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:10:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:10:52,381 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:10:52,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:10:52,391 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:10:52,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:10:52,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1654074344, now seen corresponding path program 1 times [2024-11-28 04:10:52,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:10:52,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466241488] [2024-11-28 04:10:52,394 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:10:52,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:10:52,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:10:52,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 04:10:52,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466241488] [2024-11-28 04:10:52,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466241488] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:10:52,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [414925465] [2024-11-28 04:10:52,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:10:52,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:10:52,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f347061-7e8b-4e3f-8e9d-c7fca69307eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:10:52,517 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f347061-7e8b-4e3f-8e9d-c7fca69307eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:10:52,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f347061-7e8b-4e3f-8e9d-c7fca69307eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:10:52,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:10:52,585 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:10:52,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:10:52,654 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:10:52,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [414925465] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:10:52,739 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:10:52,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2024-11-28 04:10:52,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86259239] [2024-11-28 04:10:52,739 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:10:52,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 04:10:52,815 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:10:52,815 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:10:52,816 INFO L87 Difference]: Start difference. First operand 134 states and 176 transitions. cyclomatic complexity: 45 Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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) [2024-11-28 04:10:52,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:10:52,938 INFO L93 Difference]: Finished difference Result 258 states and 334 transitions. [2024-11-28 04:10:52,938 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 258 states and 334 transitions. [2024-11-28 04:10:52,941 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 188 [2024-11-28 04:10:52,943 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 258 states to 258 states and 334 transitions. [2024-11-28 04:10:52,943 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 258 [2024-11-28 04:10:52,944 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 258 [2024-11-28 04:10:52,944 INFO L73 IsDeterministic]: Start isDeterministic. Operand 258 states and 334 transitions. [2024-11-28 04:10:52,945 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 04:10:52,945 INFO L218 hiAutomatonCegarLoop]: Abstraction has 258 states and 334 transitions. [2024-11-28 04:10:52,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states and 334 transitions. [2024-11-28 04:10:52,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 258. [2024-11-28 04:10:52,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 258 states have (on average 1.2945736434108528) internal successors, (334), 257 states have internal predecessors, (334), 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) [2024-11-28 04:10:52,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 334 transitions. [2024-11-28 04:10:52,958 INFO L240 hiAutomatonCegarLoop]: Abstraction has 258 states and 334 transitions. [2024-11-28 04:10:52,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:10:52,960 INFO L425 stractBuchiCegarLoop]: Abstraction has 258 states and 334 transitions. [2024-11-28 04:10:52,960 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-28 04:10:52,960 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 258 states and 334 transitions. [2024-11-28 04:10:52,962 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 188 [2024-11-28 04:10:52,962 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:10:52,962 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:10:52,962 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:10:52,963 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:10:52,963 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);~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~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~ret26#1, main_~retValue_acc~4#1, main_~tmp~3#1;havoc main_~retValue_acc~4#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1;" "main_#t~ret26#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret26#1;havoc main_#t~ret26#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___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-28 04:10:52,963 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet22#1;test_~tmp~2#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1;" "assume !(0 != test_~tmp~2#1);" "havoc test_#t~nondet23#1;test_~tmp___0~1#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet24#1;test_~tmp___2~0#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet25#1;test_~tmp___1~0#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1;" "assume !(0 != test_~tmp___1~0#1);" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;" "assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1;" "__utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1;" "assume 2 != __utac_acc__Specification5_spec__3_~tmp~0#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__3_#t~ret6#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret6#1;havoc __utac_acc__Specification5_spec__3_#t~ret6#1;" "assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2024-11-28 04:10:52,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:10:52,963 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2024-11-28 04:10:52,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:10:52,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406201848] [2024-11-28 04:10:52,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:10:52,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:10:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:10:52,973 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:10:52,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:10:52,986 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:10:52,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:10:52,987 INFO L85 PathProgramCache]: Analyzing trace with hash -47173764, now seen corresponding path program 1 times [2024-11-28 04:10:52,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:10:52,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436573660] [2024-11-28 04:10:52,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:10:52,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:10:52,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:10:53,000 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:10:53,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:10:53,007 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:10:53,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:10:53,010 INFO L85 PathProgramCache]: Analyzing trace with hash -448550861, now seen corresponding path program 1 times [2024-11-28 04:10:53,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:10:53,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478569070] [2024-11-28 04:10:53,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:10:53,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:10:53,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:10:53,020 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:10:53,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:10:53,031 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:10:54,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:10:54,109 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:10:54,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:10:54,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 04:10:54 BoogieIcfgContainer [2024-11-28 04:10:54,174 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 04:10:54,175 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:10:54,175 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:10:54,175 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:10:54,176 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:10:51" (3/4) ... [2024-11-28 04:10:54,177 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-28 04:10:54,233 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f347061-7e8b-4e3f-8e9d-c7fca69307eb/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 04:10:54,234 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:10:54,236 INFO L158 Benchmark]: Toolchain (without parser) took 4282.01ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 72.3MB in the end (delta: 44.4MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. [2024-11-28 04:10:54,237 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:10:54,237 INFO L158 Benchmark]: CACSL2BoogieTranslator took 515.87ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 98.5MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:10:54,237 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.03ms. Allocated memory is still 142.6MB. Free memory was 98.5MB in the beginning and 96.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:10:54,238 INFO L158 Benchmark]: Boogie Preprocessor took 39.14ms. Allocated memory is still 142.6MB. Free memory was 96.4MB in the beginning and 94.5MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:10:54,238 INFO L158 Benchmark]: RCFGBuilder took 490.27ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 78.0MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:10:54,239 INFO L158 Benchmark]: BuchiAutomizer took 3132.01ms. Allocated memory is still 142.6MB. Free memory was 77.9MB in the beginning and 75.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:10:54,240 INFO L158 Benchmark]: Witness Printer took 59.13ms. Allocated memory is still 142.6MB. Free memory was 75.8MB in the beginning and 72.3MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:10:54,241 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 515.87ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 98.5MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.03ms. Allocated memory is still 142.6MB. Free memory was 98.5MB in the beginning and 96.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.14ms. Allocated memory is still 142.6MB. Free memory was 96.4MB in the beginning and 94.5MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 490.27ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 78.0MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 3132.01ms. Allocated memory is still 142.6MB. Free memory was 77.9MB in the beginning and 75.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 59.13ms. Allocated memory is still 142.6MB. Free memory was 75.8MB in the beginning and 72.3MB in the end (delta: 3.5MB). 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,"Specification5_spec.i","") [49] - GenericResultAtLocation [Line: 101]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [101] - GenericResultAtLocation [Line: 261]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [261] - GenericResultAtLocation [Line: 343]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [343] - GenericResultAtLocation [Line: 413]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [413] - GenericResultAtLocation [Line: 422]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [422] - GenericResultAtLocation [Line: 522]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [522] - GenericResultAtLocation [Line: 888]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [888] * 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 258 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.5s. Construction of modules took 0.1s. 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, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 246 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 246 mSDsluCounter, 980 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 791 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 111 IncrementalHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 189 mSDtfsCounter, 111 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: 357]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L53] int switchedOnBeforeTS ; [L111] int pumpRunning = 0; [L112] int systemActive = 1; [L264] int waterLevel = 1; [L265] int methaneLevelCritical = 0; [L423] int cleanupTimeShifts = 4; [L692] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L500] int retValue_acc ; [L501] int tmp ; [L505] FCALL select_helpers() [L506] FCALL select_features() [L507] CALL, EXPR valid_product() [L915] int retValue_acc ; [L918] retValue_acc = 1 [L919] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L507] RET, EXPR valid_product() [L507] tmp = valid_product() [L509] COND TRUE \read(tmp) [L511] FCALL setup() [L512] CALL runTest() [L490] CALL __utac_acc__Specification5_spec__1() [L58] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L490] RET __utac_acc__Specification5_spec__1() [L491] CALL test() [L346] int splverifierCounter ; [L347] int tmp ; [L348] int tmp___0 ; [L349] int tmp___1 ; [L350] int tmp___2 ; [L353] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L357] COND TRUE splverifierCounter < 4 [L363] tmp = __VERIFIER_nondet_int() [L365] COND FALSE !(\read(tmp)) [L373] tmp___0 = __VERIFIER_nondet_int() [L375] COND FALSE !(\read(tmp___0)) [L383] tmp___2 = __VERIFIER_nondet_int() [L385] COND FALSE !(\read(tmp___2)) [L391] tmp___1 = __VERIFIER_nondet_int() [L393] COND FALSE !(\read(tmp___1)) [L402] CALL timeShift() [L119] CALL __utac_acc__Specification5_spec__2() [L67] CALL, EXPR isPumpRunning() [L194] int retValue_acc ; [L197] retValue_acc = pumpRunning [L198] return (retValue_acc); [L67] RET, EXPR isPumpRunning() [L67] switchedOnBeforeTS = isPumpRunning() [L119] RET __utac_acc__Specification5_spec__2() [L121] COND FALSE !(\read(pumpRunning)) [L128] COND TRUE \read(systemActive) [L130] FCALL processEnvironment() [L136] CALL __utac_acc__Specification5_spec__3() [L73] int tmp ; [L74] int tmp___0 ; [L78] CALL, EXPR getWaterLevel() [L335] int retValue_acc ; [L338] retValue_acc = waterLevel [L339] return (retValue_acc); [L78] RET, EXPR getWaterLevel() [L78] tmp = getWaterLevel() [L80] COND TRUE tmp != 2 [L82] CALL, EXPR isPumpRunning() [L194] int retValue_acc ; [L197] retValue_acc = pumpRunning [L198] return (retValue_acc); [L82] RET, EXPR isPumpRunning() [L82] tmp___0 = isPumpRunning() [L84] COND FALSE !(\read(tmp___0)) [L136] RET __utac_acc__Specification5_spec__3() [L402] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 357]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L53] int switchedOnBeforeTS ; [L111] int pumpRunning = 0; [L112] int systemActive = 1; [L264] int waterLevel = 1; [L265] int methaneLevelCritical = 0; [L423] int cleanupTimeShifts = 4; [L692] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L500] int retValue_acc ; [L501] int tmp ; [L505] FCALL select_helpers() [L506] FCALL select_features() [L507] CALL, EXPR valid_product() [L915] int retValue_acc ; [L918] retValue_acc = 1 [L919] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L507] RET, EXPR valid_product() [L507] tmp = valid_product() [L509] COND TRUE \read(tmp) [L511] FCALL setup() [L512] CALL runTest() [L490] CALL __utac_acc__Specification5_spec__1() [L58] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L490] RET __utac_acc__Specification5_spec__1() [L491] CALL test() [L346] int splverifierCounter ; [L347] int tmp ; [L348] int tmp___0 ; [L349] int tmp___1 ; [L350] int tmp___2 ; [L353] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L357] COND TRUE splverifierCounter < 4 [L363] tmp = __VERIFIER_nondet_int() [L365] COND FALSE !(\read(tmp)) [L373] tmp___0 = __VERIFIER_nondet_int() [L375] COND FALSE !(\read(tmp___0)) [L383] tmp___2 = __VERIFIER_nondet_int() [L385] COND FALSE !(\read(tmp___2)) [L391] tmp___1 = __VERIFIER_nondet_int() [L393] COND FALSE !(\read(tmp___1)) [L402] CALL timeShift() [L119] CALL __utac_acc__Specification5_spec__2() [L67] CALL, EXPR isPumpRunning() [L194] int retValue_acc ; [L197] retValue_acc = pumpRunning [L198] return (retValue_acc); [L67] RET, EXPR isPumpRunning() [L67] switchedOnBeforeTS = isPumpRunning() [L119] RET __utac_acc__Specification5_spec__2() [L121] COND FALSE !(\read(pumpRunning)) [L128] COND TRUE \read(systemActive) [L130] FCALL processEnvironment() [L136] CALL __utac_acc__Specification5_spec__3() [L73] int tmp ; [L74] int tmp___0 ; [L78] CALL, EXPR getWaterLevel() [L335] int retValue_acc ; [L338] retValue_acc = waterLevel [L339] return (retValue_acc); [L78] RET, EXPR getWaterLevel() [L78] tmp = getWaterLevel() [L80] COND TRUE tmp != 2 [L82] CALL, EXPR isPumpRunning() [L194] int retValue_acc ; [L197] retValue_acc = pumpRunning [L198] return (retValue_acc); [L82] RET, EXPR isPumpRunning() [L82] tmp___0 = isPumpRunning() [L84] COND FALSE !(\read(tmp___0)) [L136] RET __utac_acc__Specification5_spec__3() [L402] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-28 04:10:54,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f347061-7e8b-4e3f-8e9d-c7fca69307eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 04:10:54,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f347061-7e8b-4e3f-8e9d-c7fca69307eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 04:10:54,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f347061-7e8b-4e3f-8e9d-c7fca69307eb/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)