./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2e1a71-4e4a-479d-9483-19743d73e222/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2e1a71-4e4a-479d-9483-19743d73e222/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2e1a71-4e4a-479d-9483-19743d73e222/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2e1a71-4e4a-479d-9483-19743d73e222/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2e1a71-4e4a-479d-9483-19743d73e222/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2e1a71-4e4a-479d-9483-19743d73e222/bin/uautomizer-verify-qhAvR1uOyd --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 946d32f68529fe8e8ef40d628a80388e3f0181b3c7613933ab7ca33bcc37bf44 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:19:00,461 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:19:00,558 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2e1a71-4e4a-479d-9483-19743d73e222/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-13 16:19:00,566 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:19:00,566 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:19:00,609 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:19:00,611 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:19:00,611 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:19:00,612 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:19:00,612 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:19:00,614 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:19:00,614 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:19:00,614 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:19:00,614 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-13 16:19:00,615 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-13 16:19:00,615 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-13 16:19:00,616 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-13 16:19:00,616 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-13 16:19:00,616 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-13 16:19:00,616 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:19:00,616 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-13 16:19:00,616 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:19:00,616 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:19:00,617 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:19:00,617 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:19:00,617 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-13 16:19:00,617 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-13 16:19:00,617 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-13 16:19:00,617 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:19:00,617 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:19:00,617 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:19:00,617 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:19:00,618 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-13 16:19:00,618 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:19:00,618 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:19:00,618 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:19:00,618 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:19:00,618 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 16:19:00,619 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-13 16:19:00,619 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_ae2e1a71-4e4a-479d-9483-19743d73e222/bin/uautomizer-verify-qhAvR1uOyd 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 -> 946d32f68529fe8e8ef40d628a80388e3f0181b3c7613933ab7ca33bcc37bf44 [2024-11-13 16:19:01,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:19:01,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:19:01,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:19:01,025 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:19:01,026 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:19:01,028 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2e1a71-4e4a-479d-9483-19743d73e222/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c Unable to find full path for "g++" [2024-11-13 16:19:03,092 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:19:03,481 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:19:03,482 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2e1a71-4e4a-479d-9483-19743d73e222/sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c [2024-11-13 16:19:03,493 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2e1a71-4e4a-479d-9483-19743d73e222/bin/uautomizer-verify-qhAvR1uOyd/data/0a91a0092/213e9b1385754705ad59e1ff89eeb16f/FLAG12444262e [2024-11-13 16:19:03,509 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2e1a71-4e4a-479d-9483-19743d73e222/bin/uautomizer-verify-qhAvR1uOyd/data/0a91a0092/213e9b1385754705ad59e1ff89eeb16f [2024-11-13 16:19:03,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:19:03,513 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:19:03,515 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:19:03,515 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:19:03,521 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:19:03,522 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:19:03" (1/1) ... [2024-11-13 16:19:03,523 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68bef5d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:03, skipping insertion in model container [2024-11-13 16:19:03,523 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:19:03" (1/1) ... [2024-11-13 16:19:03,575 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:19:03,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:19:03,937 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:19:03,947 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2024-11-13 16:19:03,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [153] [2024-11-13 16:19:03,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [276] [2024-11-13 16:19:03,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [343] [2024-11-13 16:19:03,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [370] [2024-11-13 16:19:03,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [405] [2024-11-13 16:19:03,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [486] [2024-11-13 16:19:03,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [495] [2024-11-13 16:19:04,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:19:04,096 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:19:04,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:04 WrapperNode [2024-11-13 16:19:04,097 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:19:04,098 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:19:04,098 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:19:04,098 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:19:04,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:04" (1/1) ... [2024-11-13 16:19:04,127 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:04" (1/1) ... [2024-11-13 16:19:04,149 INFO L138 Inliner]: procedures = 50, calls = 90, calls flagged for inlining = 43, calls inlined = 36, statements flattened = 229 [2024-11-13 16:19:04,150 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:19:04,150 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:19:04,150 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:19:04,151 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:19:04,163 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:04" (1/1) ... [2024-11-13 16:19:04,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:04" (1/1) ... [2024-11-13 16:19:04,166 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:04" (1/1) ... [2024-11-13 16:19:04,182 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]. [2024-11-13 16:19:04,183 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:04" (1/1) ... [2024-11-13 16:19:04,183 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:04" (1/1) ... [2024-11-13 16:19:04,189 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:04" (1/1) ... [2024-11-13 16:19:04,193 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:04" (1/1) ... [2024-11-13 16:19:04,195 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:04" (1/1) ... [2024-11-13 16:19:04,196 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:04" (1/1) ... [2024-11-13 16:19:04,198 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:19:04,199 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:19:04,199 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:19:04,199 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:19:04,200 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:04" (1/1) ... [2024-11-13 16:19:04,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:19:04,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2e1a71-4e4a-479d-9483-19743d73e222/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:19:04,232 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2e1a71-4e4a-479d-9483-19743d73e222/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:19:04,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2e1a71-4e4a-479d-9483-19743d73e222/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-13 16:19:04,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:19:04,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 16:19:04,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:19:04,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:19:04,345 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:19:04,347 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:19:04,628 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-11-13 16:19:04,628 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:19:04,639 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:19:04,640 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 16:19:04,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:19:04 BoogieIcfgContainer [2024-11-13 16:19:04,640 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:19:04,641 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-13 16:19:04,641 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-13 16:19:04,646 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-13 16:19:04,646 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 16:19:04,647 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 04:19:03" (1/3) ... [2024-11-13 16:19:04,648 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2d398684 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 04:19:04, skipping insertion in model container [2024-11-13 16:19:04,648 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 16:19:04,648 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:04" (2/3) ... [2024-11-13 16:19:04,648 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2d398684 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 04:19:04, skipping insertion in model container [2024-11-13 16:19:04,649 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 16:19:04,649 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:19:04" (3/3) ... [2024-11-13 16:19:04,650 INFO L333 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product02.cil.c [2024-11-13 16:19:04,705 INFO L299 stractBuchiCegarLoop]: Interprodecural is true [2024-11-13 16:19:04,706 INFO L300 stractBuchiCegarLoop]: Hoare is None [2024-11-13 16:19:04,706 INFO L301 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-13 16:19:04,707 INFO L302 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-13 16:19:04,707 INFO L303 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-13 16:19:04,707 INFO L304 stractBuchiCegarLoop]: Difference is false [2024-11-13 16:19:04,707 INFO L305 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-13 16:19:04,707 INFO L309 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-13 16:19:04,715 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 79 states, 78 states have (on average 1.358974358974359) internal successors, (106), 78 states have internal predecessors, (106), 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) [2024-11-13 16:19:04,738 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2024-11-13 16:19:04,738 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 16:19:04,740 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 16:19:04,745 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:19:04,745 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:19:04,745 INFO L331 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-13 16:19:04,746 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 79 states, 78 states have (on average 1.358974358974359) internal successors, (106), 78 states have internal predecessors, (106), 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) [2024-11-13 16:19:04,752 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2024-11-13 16:19:04,752 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 16:19:04,752 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 16:19:04,752 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:19:04,752 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:19:04,760 INFO L745 eck$LassoCheckResult]: Stem: 37#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 48#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 28#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 46#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 22#valid_product_returnLabel#1true main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 63#L140true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 5#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 32#L287-2true [2024-11-13 16:19:04,762 INFO L747 eck$LassoCheckResult]: Loop: 32#L287-2true assume !false; 33#L288true assume test_~splverifierCounter~0#1 < 4; 42#L289true havoc test_#t~nondet14#1;test_~tmp~1#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 39#L297true assume !(0 != test_~tmp~1#1); 45#L297-2true havoc test_#t~nondet15#1;test_~tmp___0~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 17#L307true assume !(0 != test_~tmp___0~0#1); 19#L307-2true havoc test_#t~nondet16#1;test_~tmp___2~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 8#L317true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 60#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 41#L325-2true assume { :begin_inline_timeShift } true; 68#L169true assume !(0 != ~pumpRunning~0); 54#L169-2true assume !(0 != ~systemActive~0); 27#L176-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret18#1, __utac_acc__Specification1_spec__1_#t~ret19#1, __utac_acc__Specification1_spec__1_~tmp~2#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~2#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; 62#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification1_spec__1_#t~ret18#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~2#1 := __utac_acc__Specification1_spec__1_#t~ret18#1;havoc __utac_acc__Specification1_spec__1_#t~ret18#1; 34#L353true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~2#1); 61#L353-1true havoc __utac_acc__Specification1_spec__1_#t~ret18#1, __utac_acc__Specification1_spec__1_#t~ret19#1, __utac_acc__Specification1_spec__1_~tmp~2#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 73#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 32#L287-2true [2024-11-13 16:19:04,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:19:04,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-13 16:19:04,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:19:04,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037360367] [2024-11-13 16:19:04,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:19:04,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:19:04,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:19:04,888 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:19:04,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:19:04,938 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:19:04,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:19:04,941 INFO L85 PathProgramCache]: Analyzing trace with hash -250115646, now seen corresponding path program 1 times [2024-11-13 16:19:04,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:19:04,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298391767] [2024-11-13 16:19:04,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:19:04,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:19:04,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:05,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:19:05,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:19:05,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298391767] [2024-11-13 16:19:05,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298391767] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:19:05,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:19:05,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:19:05,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752025995] [2024-11-13 16:19:05,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:19:05,045 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-13 16:19:05,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:19:05,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:19:05,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:19:05,076 INFO L87 Difference]: Start difference. First operand has 79 states, 78 states have (on average 1.358974358974359) internal successors, (106), 78 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:19:05,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:19:05,127 INFO L93 Difference]: Finished difference Result 73 states and 90 transitions. [2024-11-13 16:19:05,128 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 73 states and 90 transitions. [2024-11-13 16:19:05,130 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2024-11-13 16:19:05,136 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 73 states to 63 states and 79 transitions. [2024-11-13 16:19:05,137 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 63 [2024-11-13 16:19:05,138 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 63 [2024-11-13 16:19:05,138 INFO L73 IsDeterministic]: Start isDeterministic. Operand 63 states and 79 transitions. [2024-11-13 16:19:05,139 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 16:19:05,139 INFO L218 hiAutomatonCegarLoop]: Abstraction has 63 states and 79 transitions. [2024-11-13 16:19:05,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states and 79 transitions. [2024-11-13 16:19:05,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-13 16:19:05,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 63 states have (on average 1.253968253968254) internal successors, (79), 62 states have internal predecessors, (79), 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) [2024-11-13 16:19:05,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 79 transitions. [2024-11-13 16:19:05,167 INFO L240 hiAutomatonCegarLoop]: Abstraction has 63 states and 79 transitions. [2024-11-13 16:19:05,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:19:05,171 INFO L424 stractBuchiCegarLoop]: Abstraction has 63 states and 79 transitions. [2024-11-13 16:19:05,172 INFO L331 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-13 16:19:05,172 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states and 79 transitions. [2024-11-13 16:19:05,173 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2024-11-13 16:19:05,173 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 16:19:05,173 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 16:19:05,174 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:19:05,174 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:19:05,175 INFO L745 eck$LassoCheckResult]: Stem: 206#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 207#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 196#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 197#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 189#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 190#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 163#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 164#L287-2 [2024-11-13 16:19:05,175 INFO L747 eck$LassoCheckResult]: Loop: 164#L287-2 assume !false; 200#L288 assume test_~splverifierCounter~0#1 < 4; 201#L289 havoc test_#t~nondet14#1;test_~tmp~1#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 209#L297 assume !(0 != test_~tmp~1#1); 211#L297-2 havoc test_#t~nondet15#1;test_~tmp___0~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 184#L307 assume !(0 != test_~tmp___0~0#1); 185#L307-2 havoc test_#t~nondet16#1;test_~tmp___2~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 170#L317 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet17#1;test_~tmp___1~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 171#L325 assume 0 != test_~tmp___1~0#1; 213#L325-2 assume { :begin_inline_timeShift } true; 214#L169 assume !(0 != ~pumpRunning~0); 199#L169-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 187#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 188#L176-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret18#1, __utac_acc__Specification1_spec__1_#t~ret19#1, __utac_acc__Specification1_spec__1_~tmp~2#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~2#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; 194#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification1_spec__1_#t~ret18#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~2#1 := __utac_acc__Specification1_spec__1_#t~ret18#1;havoc __utac_acc__Specification1_spec__1_#t~ret18#1; 202#L353 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~2#1); 204#L353-1 havoc __utac_acc__Specification1_spec__1_#t~ret18#1, __utac_acc__Specification1_spec__1_#t~ret19#1, __utac_acc__Specification1_spec__1_~tmp~2#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 222#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 164#L287-2 [2024-11-13 16:19:05,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:19:05,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-13 16:19:05,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:19:05,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988816738] [2024-11-13 16:19:05,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:19:05,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:19:05,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:19:05,192 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:19:05,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:19:05,205 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:19:05,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:19:05,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1883931271, now seen corresponding path program 1 times [2024-11-13 16:19:05,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:19:05,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60718335] [2024-11-13 16:19:05,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:19:05,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:19:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:19:05,214 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:19:05,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:19:05,222 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:19:05,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:19:05,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1228394677, now seen corresponding path program 1 times [2024-11-13 16:19:05,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:19:05,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480828475] [2024-11-13 16:19:05,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:19:05,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:19:05,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:19:05,251 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:19:05,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:19:05,281 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:19:06,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:19:06,573 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:19:06,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:19:06,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 04:19:06 BoogieIcfgContainer [2024-11-13 16:19:06,662 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-13 16:19:06,662 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:19:06,662 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:19:06,662 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:19:06,665 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:19:04" (3/4) ... [2024-11-13 16:19:06,667 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-13 16:19:06,723 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2e1a71-4e4a-479d-9483-19743d73e222/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 16:19:06,724 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:19:06,725 INFO L158 Benchmark]: Toolchain (without parser) took 3211.31ms. Allocated memory is still 142.6MB. Free memory was 118.4MB in the beginning and 55.0MB in the end (delta: 63.5MB). Peak memory consumption was 64.5MB. Max. memory is 16.1GB. [2024-11-13 16:19:06,725 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 142.6MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:19:06,725 INFO L158 Benchmark]: CACSL2BoogieTranslator took 582.29ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 100.8MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:19:06,726 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.89ms. Allocated memory is still 142.6MB. Free memory was 100.8MB in the beginning and 99.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:19:06,726 INFO L158 Benchmark]: Boogie Preprocessor took 47.90ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 97.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:19:06,726 INFO L158 Benchmark]: RCFGBuilder took 441.36ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 81.5MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:19:06,726 INFO L158 Benchmark]: BuchiAutomizer took 2020.57ms. Allocated memory is still 142.6MB. Free memory was 81.5MB in the beginning and 57.8MB in the end (delta: 23.7MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2024-11-13 16:19:06,731 INFO L158 Benchmark]: Witness Printer took 61.59ms. Allocated memory is still 142.6MB. Free memory was 57.8MB in the beginning and 55.0MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:19:06,733 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 142.6MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 582.29ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 100.8MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.89ms. Allocated memory is still 142.6MB. Free memory was 100.8MB in the beginning and 99.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.90ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 97.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 441.36ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 81.5MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 2020.57ms. Allocated memory is still 142.6MB. Free memory was 81.5MB in the beginning and 57.8MB in the end (delta: 23.7MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. * Witness Printer took 61.59ms. Allocated memory is still 142.6MB. Free memory was 57.8MB in the beginning and 55.0MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. 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,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [153] - GenericResultAtLocation [Line: 276]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [276] - GenericResultAtLocation [Line: 343]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [343] - GenericResultAtLocation [Line: 370]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [370] - GenericResultAtLocation [Line: 405]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [405] - GenericResultAtLocation [Line: 486]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [486] - GenericResultAtLocation [Line: 495]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [495] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 63 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 85 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 85 mSDsluCounter, 87 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 87 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 287]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L161] int pumpRunning = 0; [L162] int systemActive = 1; [L407] int waterLevel = 1; [L408] int methaneLevelCritical = 0; [L665] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L397] int retValue_acc ; [L400] retValue_acc = 1 [L401] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L278] int splverifierCounter ; [L279] int tmp ; [L280] int tmp___0 ; [L281] int tmp___1 ; [L282] int tmp___2 ; [L285] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L287] COND TRUE 1 [L289] COND TRUE splverifierCounter < 4 [L295] tmp = __VERIFIER_nondet_int() [L297] COND FALSE !(\read(tmp)) [L305] tmp___0 = __VERIFIER_nondet_int() [L307] COND FALSE !(\read(tmp___0)) [L315] tmp___2 = __VERIFIER_nondet_int() [L317] COND FALSE !(\read(tmp___2)) [L323] tmp___1 = __VERIFIER_nondet_int() [L325] COND TRUE \read(tmp___1) [L332] CALL timeShift() [L169] COND FALSE !(\read(pumpRunning)) [L176] COND TRUE \read(systemActive) [L178] FCALL processEnvironment() [L184] CALL __utac_acc__Specification1_spec__1() [L346] int tmp ; [L347] int tmp___0 ; [L351] CALL, EXPR isMethaneLevelCritical() [L446] int retValue_acc ; [L449] retValue_acc = methaneLevelCritical [L450] return (retValue_acc); [L351] RET, EXPR isMethaneLevelCritical() [L351] tmp = isMethaneLevelCritical() [L353] COND FALSE !(\read(tmp)) [L184] RET __utac_acc__Specification1_spec__1() [L332] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 287]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L161] int pumpRunning = 0; [L162] int systemActive = 1; [L407] int waterLevel = 1; [L408] int methaneLevelCritical = 0; [L665] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L397] int retValue_acc ; [L400] retValue_acc = 1 [L401] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L278] int splverifierCounter ; [L279] int tmp ; [L280] int tmp___0 ; [L281] int tmp___1 ; [L282] int tmp___2 ; [L285] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L287] COND TRUE 1 [L289] COND TRUE splverifierCounter < 4 [L295] tmp = __VERIFIER_nondet_int() [L297] COND FALSE !(\read(tmp)) [L305] tmp___0 = __VERIFIER_nondet_int() [L307] COND FALSE !(\read(tmp___0)) [L315] tmp___2 = __VERIFIER_nondet_int() [L317] COND FALSE !(\read(tmp___2)) [L323] tmp___1 = __VERIFIER_nondet_int() [L325] COND TRUE \read(tmp___1) [L332] CALL timeShift() [L169] COND FALSE !(\read(pumpRunning)) [L176] COND TRUE \read(systemActive) [L178] FCALL processEnvironment() [L184] CALL __utac_acc__Specification1_spec__1() [L346] int tmp ; [L347] int tmp___0 ; [L351] CALL, EXPR isMethaneLevelCritical() [L446] int retValue_acc ; [L449] retValue_acc = methaneLevelCritical [L450] return (retValue_acc); [L351] RET, EXPR isMethaneLevelCritical() [L351] tmp = isMethaneLevelCritical() [L353] COND FALSE !(\read(tmp)) [L184] RET __utac_acc__Specification1_spec__1() [L332] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 16:19:06,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2e1a71-4e4a-479d-9483-19743d73e222/bin/uautomizer-verify-qhAvR1uOyd/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)