./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product28.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_10092eb4-71f3-460a-af17-f9f39dfda05a/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10092eb4-71f3-460a-af17-f9f39dfda05a/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_10092eb4-71f3-460a-af17-f9f39dfda05a/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10092eb4-71f3-460a-af17-f9f39dfda05a/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10092eb4-71f3-460a-af17-f9f39dfda05a/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_10092eb4-71f3-460a-af17-f9f39dfda05a/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 ecbd3b7927e701d55fc39288fc091a7415141c93c89521192fc4dc52b10e4c6c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:12:06,002 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:12:06,076 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10092eb4-71f3-460a-af17-f9f39dfda05a/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-13 14:12:06,082 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:12:06,083 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:12:06,133 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:12:06,134 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:12:06,134 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:12:06,134 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:12:06,134 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:12:06,135 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:12:06,135 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:12:06,135 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:12:06,135 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-13 14:12:06,135 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-13 14:12:06,135 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-13 14:12:06,135 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-13 14:12:06,136 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-13 14:12:06,136 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-13 14:12:06,139 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:12:06,139 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-13 14:12:06,139 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:12:06,139 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:12:06,139 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:12:06,140 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:12:06,140 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-13 14:12:06,140 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-13 14:12:06,140 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-13 14:12:06,141 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:12:06,141 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:12:06,141 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:12:06,141 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:12:06,141 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-13 14:12:06,141 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:12:06,142 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:12:06,142 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:12:06,143 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:12:06,143 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:12:06,143 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-13 14:12:06,144 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_10092eb4-71f3-460a-af17-f9f39dfda05a/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 -> ecbd3b7927e701d55fc39288fc091a7415141c93c89521192fc4dc52b10e4c6c [2024-11-13 14:12:06,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:12:06,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:12:06,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:12:06,533 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:12:06,533 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:12:06,536 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10092eb4-71f3-460a-af17-f9f39dfda05a/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c Unable to find full path for "g++" [2024-11-13 14:12:08,685 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:12:09,058 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:12:09,059 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10092eb4-71f3-460a-af17-f9f39dfda05a/sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c [2024-11-13 14:12:09,081 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10092eb4-71f3-460a-af17-f9f39dfda05a/bin/uautomizer-verify-qhAvR1uOyd/data/454dedf11/971618178bd2409595c6853da8dfda21/FLAG3af2724cf [2024-11-13 14:12:09,103 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10092eb4-71f3-460a-af17-f9f39dfda05a/bin/uautomizer-verify-qhAvR1uOyd/data/454dedf11/971618178bd2409595c6853da8dfda21 [2024-11-13 14:12:09,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:12:09,110 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:12:09,112 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:12:09,112 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:12:09,119 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:12:09,120 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:12:09" (1/1) ... [2024-11-13 14:12:09,121 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d01d377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:09, skipping insertion in model container [2024-11-13 14:12:09,121 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:12:09" (1/1) ... [2024-11-13 14:12:09,181 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:12:09,602 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:12:09,622 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:12:09,633 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2024-11-13 14:12:09,635 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [58] [2024-11-13 14:12:09,635 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [424] [2024-11-13 14:12:09,636 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [520] [2024-11-13 14:12:09,636 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [593] [2024-11-13 14:12:09,636 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [791] [2024-11-13 14:12:09,636 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [817] [2024-11-13 14:12:09,636 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [855] [2024-11-13 14:12:09,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:12:09,777 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:12:09,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:09 WrapperNode [2024-11-13 14:12:09,778 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:12:09,779 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:12:09,779 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:12:09,780 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:12:09,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:09" (1/1) ... [2024-11-13 14:12:09,815 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:09" (1/1) ... [2024-11-13 14:12:09,859 INFO L138 Inliner]: procedures = 55, calls = 99, calls flagged for inlining = 52, calls inlined = 53, statements flattened = 335 [2024-11-13 14:12:09,860 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:12:09,860 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:12:09,860 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:12:09,861 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:12:09,870 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:09" (1/1) ... [2024-11-13 14:12:09,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:09" (1/1) ... [2024-11-13 14:12:09,873 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:09" (1/1) ... [2024-11-13 14:12:09,892 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 14:12:09,896 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:09" (1/1) ... [2024-11-13 14:12:09,896 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:09" (1/1) ... [2024-11-13 14:12:09,903 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:09" (1/1) ... [2024-11-13 14:12:09,911 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:09" (1/1) ... [2024-11-13 14:12:09,913 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:09" (1/1) ... [2024-11-13 14:12:09,914 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:09" (1/1) ... [2024-11-13 14:12:09,921 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:12:09,924 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:12:09,924 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:12:09,924 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:12:09,926 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:09" (1/1) ... [2024-11-13 14:12:09,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:12:09,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10092eb4-71f3-460a-af17-f9f39dfda05a/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:12:09,963 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10092eb4-71f3-460a-af17-f9f39dfda05a/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:12:09,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10092eb4-71f3-460a-af17-f9f39dfda05a/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-13 14:12:10,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:12:10,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:12:10,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:12:10,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:12:10,104 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:12:10,106 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:12:10,543 INFO L? ?]: Removed 70 outVars from TransFormulas that were not future-live. [2024-11-13 14:12:10,544 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:12:10,556 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:12:10,556 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 14:12:10,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:12:10 BoogieIcfgContainer [2024-11-13 14:12:10,557 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:12:10,558 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-13 14:12:10,558 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-13 14:12:10,563 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-13 14:12:10,563 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 14:12:10,564 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 02:12:09" (1/3) ... [2024-11-13 14:12:10,565 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@116267c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 02:12:10, skipping insertion in model container [2024-11-13 14:12:10,565 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 14:12:10,565 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:09" (2/3) ... [2024-11-13 14:12:10,565 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@116267c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 02:12:10, skipping insertion in model container [2024-11-13 14:12:10,565 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 14:12:10,565 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:12:10" (3/3) ... [2024-11-13 14:12:10,567 INFO L333 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product28.cil.c [2024-11-13 14:12:10,638 INFO L299 stractBuchiCegarLoop]: Interprodecural is true [2024-11-13 14:12:10,639 INFO L300 stractBuchiCegarLoop]: Hoare is None [2024-11-13 14:12:10,639 INFO L301 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-13 14:12:10,640 INFO L302 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-13 14:12:10,640 INFO L303 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-13 14:12:10,640 INFO L304 stractBuchiCegarLoop]: Difference is false [2024-11-13 14:12:10,641 INFO L305 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-13 14:12:10,641 INFO L309 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-13 14:12:10,652 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 110 states, 109 states have (on average 1.348623853211009) internal successors, (147), 109 states have internal predecessors, (147), 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 14:12:10,684 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2024-11-13 14:12:10,686 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:12:10,687 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:12:10,694 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:12:10,695 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 14:12:10,695 INFO L331 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-13 14:12:10,695 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 110 states, 109 states have (on average 1.348623853211009) internal successors, (147), 109 states have internal predecessors, (147), 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 14:12:10,724 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2024-11-13 14:12:10,726 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:12:10,727 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:12:10,727 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:12:10,727 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 14:12:10,737 INFO L745 eck$LassoCheckResult]: Stem: 26#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 29#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 23#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 92#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~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1; 76#valid_product_returnLabel#1true main_#t~ret51#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret51#1;havoc main_#t~ret51#1; 96#L938true assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 58#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet32#1, test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 105#L535-2true [2024-11-13 14:12:10,738 INFO L747 eck$LassoCheckResult]: Loop: 105#L535-2true assume !false; 52#L536true assume test_~splverifierCounter~0#1 < 4; 73#L537true havoc test_#t~nondet32#1;test_~tmp~3#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 20#L545true assume !(0 != test_~tmp~3#1); 66#L545-2true havoc test_#t~nondet33#1;test_~tmp___0~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 107#L555true assume !(0 != test_~tmp___0~0#1); 44#L555-2true havoc test_#t~nondet34#1;test_~tmp___2~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 18#L565true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet35#1;test_~tmp___1~0#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 40#L573true assume !(0 != test_~tmp___1~0#1); 94#L573-2true assume { :begin_inline_timeShift } true; 17#L606true assume !(0 != ~pumpRunning~0); 80#L606-2true assume !(0 != ~systemActive~0); 102#L613-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~7#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 103#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification1_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7#1 := __utac_acc__Specification1_spec__1_#t~ret48#1;havoc __utac_acc__Specification1_spec__1_#t~ret48#1; 15#L800true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7#1); 99#L800-1true havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 50#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 105#L535-2true [2024-11-13 14:12:10,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:12:10,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-13 14:12:10,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:12:10,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498690375] [2024-11-13 14:12:10,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:12:10,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:12:10,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:12:10,863 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:12:10,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:12:10,922 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:12:10,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:12:10,927 INFO L85 PathProgramCache]: Analyzing trace with hash 841409712, now seen corresponding path program 1 times [2024-11-13 14:12:10,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:12:10,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368161224] [2024-11-13 14:12:10,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:12:10,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:12:10,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:12:10,947 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:12:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:12:10,966 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:12:10,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:12:10,968 INFO L85 PathProgramCache]: Analyzing trace with hash -90271892, now seen corresponding path program 1 times [2024-11-13 14:12:10,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:12:10,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449222458] [2024-11-13 14:12:10,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:12:10,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:12:11,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:11,241 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 14:12:11,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:12:11,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449222458] [2024-11-13 14:12:11,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449222458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:12:11,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:12:11,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:12:11,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795390602] [2024-11-13 14:12:11,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:12:11,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:12:11,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:12:11,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:12:11,406 INFO L87 Difference]: Start difference. First operand has 110 states, 109 states have (on average 1.348623853211009) internal successors, (147), 109 states have internal predecessors, (147), 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 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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 14:12:11,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:12:11,627 INFO L93 Difference]: Finished difference Result 264 states and 336 transitions. [2024-11-13 14:12:11,629 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 264 states and 336 transitions. [2024-11-13 14:12:11,641 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 171 [2024-11-13 14:12:11,651 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 264 states to 234 states and 306 transitions. [2024-11-13 14:12:11,652 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 234 [2024-11-13 14:12:11,653 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 234 [2024-11-13 14:12:11,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 234 states and 306 transitions. [2024-11-13 14:12:11,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 14:12:11,656 INFO L218 hiAutomatonCegarLoop]: Abstraction has 234 states and 306 transitions. [2024-11-13 14:12:11,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states and 306 transitions. [2024-11-13 14:12:11,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 146. [2024-11-13 14:12:11,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 146 states have (on average 1.3082191780821917) internal successors, (191), 145 states have internal predecessors, (191), 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 14:12:11,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 191 transitions. [2024-11-13 14:12:11,707 INFO L240 hiAutomatonCegarLoop]: Abstraction has 146 states and 191 transitions. [2024-11-13 14:12:11,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:12:11,712 INFO L424 stractBuchiCegarLoop]: Abstraction has 146 states and 191 transitions. [2024-11-13 14:12:11,712 INFO L331 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-13 14:12:11,712 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 146 states and 191 transitions. [2024-11-13 14:12:11,714 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 105 [2024-11-13 14:12:11,715 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:12:11,715 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:12:11,715 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:12:11,715 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] [2024-11-13 14:12:11,716 INFO L745 eck$LassoCheckResult]: Stem: 467#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 468#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 461#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 462#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~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1; 451#valid_product_returnLabel#1 main_#t~ret51#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret51#1;havoc main_#t~ret51#1; 452#L938 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 394#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet32#1, test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 395#L535-2 [2024-11-13 14:12:11,716 INFO L747 eck$LassoCheckResult]: Loop: 395#L535-2 assume !false; 483#L536 assume test_~splverifierCounter~0#1 < 4; 441#L537 havoc test_#t~nondet32#1;test_~tmp~3#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 442#L545 assume !(0 != test_~tmp~3#1); 417#L545-2 havoc test_#t~nondet33#1;test_~tmp___0~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 418#L555 assume !(0 != test_~tmp___0~0#1); 433#L555-2 havoc test_#t~nondet34#1;test_~tmp___2~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 444#L565 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet35#1;test_~tmp___1~0#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 445#L573 assume !(0 != test_~tmp___1~0#1); 473#L573-2 assume { :begin_inline_timeShift } true; 437#L606 assume !(0 != ~pumpRunning~0); 438#L606-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 456#L638 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 410#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 411#L638-1 havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true; 476#L613-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~7#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 482#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification1_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7#1 := __utac_acc__Specification1_spec__1_#t~ret48#1;havoc __utac_acc__Specification1_spec__1_#t~ret48#1; 434#L800 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7#1); 426#L800-1 havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 479#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 395#L535-2 [2024-11-13 14:12:11,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:12:11,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-13 14:12:11,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:12:11,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022591806] [2024-11-13 14:12:11,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:12:11,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:12:11,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:12:11,731 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:12:11,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:12:11,744 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:12:11,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:12:11,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1882571239, now seen corresponding path program 1 times [2024-11-13 14:12:11,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:12:11,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507198713] [2024-11-13 14:12:11,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:12:11,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:12:11,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:12:11,753 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:12:11,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:12:11,761 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:12:11,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:12:11,762 INFO L85 PathProgramCache]: Analyzing trace with hash 234573227, now seen corresponding path program 1 times [2024-11-13 14:12:11,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:12:11,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50899413] [2024-11-13 14:12:11,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:12:11,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:12:11,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:12:11,780 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:12:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:12:11,798 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:12:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:12:13,063 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:12:13,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:12:13,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 02:12:13 BoogieIcfgContainer [2024-11-13 14:12:13,134 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-13 14:12:13,134 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:12:13,134 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:12:13,135 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:12:13,135 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:12:10" (3/4) ... [2024-11-13 14:12:13,137 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-13 14:12:13,189 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10092eb4-71f3-460a-af17-f9f39dfda05a/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 14:12:13,189 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:12:13,191 INFO L158 Benchmark]: Toolchain (without parser) took 4081.15ms. Allocated memory is still 109.1MB. Free memory was 83.5MB in the beginning and 75.5MB in the end (delta: 8.0MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2024-11-13 14:12:13,193 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 83.9MB. Free memory is still 41.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:12:13,194 INFO L158 Benchmark]: CACSL2BoogieTranslator took 666.77ms. Allocated memory is still 109.1MB. Free memory was 83.5MB in the beginning and 65.3MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:12:13,194 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.43ms. Allocated memory is still 109.1MB. Free memory was 65.3MB in the beginning and 63.0MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:12:13,195 INFO L158 Benchmark]: Boogie Preprocessor took 60.99ms. Allocated memory is still 109.1MB. Free memory was 63.0MB in the beginning and 60.9MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:12:13,195 INFO L158 Benchmark]: RCFGBuilder took 633.00ms. Allocated memory is still 109.1MB. Free memory was 60.9MB in the beginning and 43.0MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:12:13,199 INFO L158 Benchmark]: BuchiAutomizer took 2576.17ms. Allocated memory is still 109.1MB. Free memory was 43.0MB in the beginning and 77.6MB in the end (delta: -34.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:12:13,200 INFO L158 Benchmark]: Witness Printer took 55.63ms. Allocated memory is still 109.1MB. Free memory was 77.6MB in the beginning and 75.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:12:13,202 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 83.9MB. Free memory is still 41.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 666.77ms. Allocated memory is still 109.1MB. Free memory was 83.5MB in the beginning and 65.3MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.43ms. Allocated memory is still 109.1MB. Free memory was 65.3MB in the beginning and 63.0MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 60.99ms. Allocated memory is still 109.1MB. Free memory was 63.0MB in the beginning and 60.9MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 633.00ms. Allocated memory is still 109.1MB. Free memory was 60.9MB in the beginning and 43.0MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 2576.17ms. Allocated memory is still 109.1MB. Free memory was 43.0MB in the beginning and 77.6MB in the end (delta: -34.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 55.63ms. Allocated memory is still 109.1MB. Free memory was 77.6MB in the beginning and 75.5MB in the end (delta: 2.1MB). 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,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [58] - GenericResultAtLocation [Line: 424]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [424] - GenericResultAtLocation [Line: 520]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [520] - GenericResultAtLocation [Line: 593]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [593] - GenericResultAtLocation [Line: 791]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [791] - GenericResultAtLocation [Line: 817]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [817] - GenericResultAtLocation [Line: 855]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [855] * 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 6 locations. The remainder module has 146 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 88 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, 231 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 231 mSDsluCounter, 641 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 513 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42 IncrementalHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 128 mSDtfsCounter, 42 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 535]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L228] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L432] int waterLevel = 1; [L433] int methaneLevelCritical = 0; [L598] int pumpRunning = 0; [L599] int systemActive = 1; [L856] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L929] int retValue_acc ; [L930] int tmp ; [L934] FCALL select_helpers() [L935] FCALL select_features() [L936] CALL, EXPR valid_product() [L847] int retValue_acc ; [L850] retValue_acc = 1 [L851] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L936] RET, EXPR valid_product() [L936] tmp = valid_product() [L938] COND TRUE \read(tmp) [L940] FCALL setup() [L941] CALL runTest() [L923] CALL test() [L526] int splverifierCounter ; [L527] int tmp ; [L528] int tmp___0 ; [L529] int tmp___1 ; [L530] int tmp___2 ; [L533] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L535] COND TRUE 1 [L537] COND TRUE splverifierCounter < 4 [L543] tmp = __VERIFIER_nondet_int() [L545] COND FALSE !(\read(tmp)) [L553] tmp___0 = __VERIFIER_nondet_int() [L555] COND FALSE !(\read(tmp___0)) [L563] tmp___2 = __VERIFIER_nondet_int() [L565] COND FALSE !(\read(tmp___2)) [L571] tmp___1 = __VERIFIER_nondet_int() [L573] COND FALSE !(\read(tmp___1)) [L582] CALL timeShift() [L606] COND FALSE !(\read(pumpRunning)) [L613] COND TRUE \read(systemActive) [L615] CALL processEnvironment() [L635] int tmp ; [L638] COND FALSE !(\read(pumpRunning)) [L653] FCALL processEnvironment__wrappee__base() [L615] RET processEnvironment() [L621] CALL __utac_acc__Specification1_spec__1() [L793] int tmp ; [L794] int tmp___0 ; [L798] CALL, EXPR isMethaneLevelCritical() [L471] int retValue_acc ; [L474] retValue_acc = methaneLevelCritical [L475] return (retValue_acc); [L798] RET, EXPR isMethaneLevelCritical() [L798] tmp = isMethaneLevelCritical() [L800] COND FALSE !(\read(tmp)) [L621] RET __utac_acc__Specification1_spec__1() [L582] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 535]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L228] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L432] int waterLevel = 1; [L433] int methaneLevelCritical = 0; [L598] int pumpRunning = 0; [L599] int systemActive = 1; [L856] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L929] int retValue_acc ; [L930] int tmp ; [L934] FCALL select_helpers() [L935] FCALL select_features() [L936] CALL, EXPR valid_product() [L847] int retValue_acc ; [L850] retValue_acc = 1 [L851] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L936] RET, EXPR valid_product() [L936] tmp = valid_product() [L938] COND TRUE \read(tmp) [L940] FCALL setup() [L941] CALL runTest() [L923] CALL test() [L526] int splverifierCounter ; [L527] int tmp ; [L528] int tmp___0 ; [L529] int tmp___1 ; [L530] int tmp___2 ; [L533] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L535] COND TRUE 1 [L537] COND TRUE splverifierCounter < 4 [L543] tmp = __VERIFIER_nondet_int() [L545] COND FALSE !(\read(tmp)) [L553] tmp___0 = __VERIFIER_nondet_int() [L555] COND FALSE !(\read(tmp___0)) [L563] tmp___2 = __VERIFIER_nondet_int() [L565] COND FALSE !(\read(tmp___2)) [L571] tmp___1 = __VERIFIER_nondet_int() [L573] COND FALSE !(\read(tmp___1)) [L582] CALL timeShift() [L606] COND FALSE !(\read(pumpRunning)) [L613] COND TRUE \read(systemActive) [L615] CALL processEnvironment() [L635] int tmp ; [L638] COND FALSE !(\read(pumpRunning)) [L653] FCALL processEnvironment__wrappee__base() [L615] RET processEnvironment() [L621] CALL __utac_acc__Specification1_spec__1() [L793] int tmp ; [L794] int tmp___0 ; [L798] CALL, EXPR isMethaneLevelCritical() [L471] int retValue_acc ; [L474] retValue_acc = methaneLevelCritical [L475] return (retValue_acc); [L798] RET, EXPR isMethaneLevelCritical() [L798] tmp = isMethaneLevelCritical() [L800] COND FALSE !(\read(tmp)) [L621] RET __utac_acc__Specification1_spec__1() [L582] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 14:12:13,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10092eb4-71f3-460a-af17-f9f39dfda05a/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)