./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a4cd5e-c324-4ca4-8699-c728a9dbc375/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a4cd5e-c324-4ca4-8699-c728a9dbc375/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a4cd5e-c324-4ca4-8699-c728a9dbc375/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a4cd5e-c324-4ca4-8699-c728a9dbc375/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a4cd5e-c324-4ca4-8699-c728a9dbc375/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a4cd5e-c324-4ca4-8699-c728a9dbc375/bin/uautomizer-verify-84ZbGMXZE1 --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 0858956fa78fab41d54951630cb21e24f98b592c89580084f0bb3139b8ef83d9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 07:33:43,861 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 07:33:43,916 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a4cd5e-c324-4ca4-8699-c728a9dbc375/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-12-02 07:33:43,920 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 07:33:43,921 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 07:33:43,942 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 07:33:43,942 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 07:33:43,942 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 07:33:43,943 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 07:33:43,943 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 07:33:43,943 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 07:33:43,943 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 07:33:43,943 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 07:33:43,943 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-12-02 07:33:43,944 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-12-02 07:33:43,944 INFO L153 SettingsManager]: * Use old map elimination=false [2024-12-02 07:33:43,944 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-12-02 07:33:43,944 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-12-02 07:33:43,944 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-12-02 07:33:43,944 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 07:33:43,944 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-12-02 07:33:43,944 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 07:33:43,944 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 07:33:43,944 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 07:33:43,945 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 07:33:43,945 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-12-02 07:33:43,945 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-12-02 07:33:43,945 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-12-02 07:33:43,945 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 07:33:43,945 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 07:33:43,945 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 07:33:43,945 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-12-02 07:33:43,945 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 07:33:43,945 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 07:33:43,946 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 07:33:43,946 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:33:43,946 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 07:33:43,946 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-12-02 07:33:43,946 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-12-02 07:33:43,946 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_56a4cd5e-c324-4ca4-8699-c728a9dbc375/bin/uautomizer-verify-84ZbGMXZE1 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 -> 0858956fa78fab41d54951630cb21e24f98b592c89580084f0bb3139b8ef83d9 [2024-12-02 07:33:44,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 07:33:44,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 07:33:44,169 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 07:33:44,170 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 07:33:44,171 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 07:33:44,172 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a4cd5e-c324-4ca4-8699-c728a9dbc375/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c [2024-12-02 07:33:46,786 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a4cd5e-c324-4ca4-8699-c728a9dbc375/bin/uautomizer-verify-84ZbGMXZE1/data/9b75e7764/f360a3ffe1424d79bd1d55d406f08edf/FLAGc91307538 [2024-12-02 07:33:47,047 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 07:33:47,047 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a4cd5e-c324-4ca4-8699-c728a9dbc375/sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c [2024-12-02 07:33:47,058 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a4cd5e-c324-4ca4-8699-c728a9dbc375/bin/uautomizer-verify-84ZbGMXZE1/data/9b75e7764/f360a3ffe1424d79bd1d55d406f08edf/FLAGc91307538 [2024-12-02 07:33:47,373 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a4cd5e-c324-4ca4-8699-c728a9dbc375/bin/uautomizer-verify-84ZbGMXZE1/data/9b75e7764/f360a3ffe1424d79bd1d55d406f08edf [2024-12-02 07:33:47,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 07:33:47,375 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 07:33:47,376 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 07:33:47,376 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 07:33:47,380 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 07:33:47,381 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:33:47" (1/1) ... [2024-12-02 07:33:47,382 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70d175b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:33:47, skipping insertion in model container [2024-12-02 07:33:47,382 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:33:47" (1/1) ... [2024-12-02 07:33:47,408 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 07:33:47,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:33:47,655 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 07:33:47,663 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-12-02 07:33:47,664 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] [2024-12-02 07:33:47,664 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [511] [2024-12-02 07:33:47,665 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [581] [2024-12-02 07:33:47,665 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [779] [2024-12-02 07:33:47,665 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [806] [2024-12-02 07:33:47,665 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [844] [2024-12-02 07:33:47,665 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [940] [2024-12-02 07:33:47,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:33:47,730 INFO L204 MainTranslator]: Completed translation [2024-12-02 07:33:47,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:33:47 WrapperNode [2024-12-02 07:33:47,731 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 07:33:47,732 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 07:33:47,732 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 07:33:47,732 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 07:33:47,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:33:47" (1/1) ... [2024-12-02 07:33:47,751 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:33:47" (1/1) ... [2024-12-02 07:33:47,777 INFO L138 Inliner]: procedures = 54, calls = 100, calls flagged for inlining = 53, calls inlined = 82, statements flattened = 512 [2024-12-02 07:33:47,778 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 07:33:47,778 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 07:33:47,778 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 07:33:47,778 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 07:33:47,787 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:33:47" (1/1) ... [2024-12-02 07:33:47,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:33:47" (1/1) ... [2024-12-02 07:33:47,790 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:33:47" (1/1) ... [2024-12-02 07:33:47,805 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]. [2024-12-02 07:33:47,805 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:33:47" (1/1) ... [2024-12-02 07:33:47,806 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:33:47" (1/1) ... [2024-12-02 07:33:47,813 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:33:47" (1/1) ... [2024-12-02 07:33:47,814 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:33:47" (1/1) ... [2024-12-02 07:33:47,820 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:33:47" (1/1) ... [2024-12-02 07:33:47,821 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:33:47" (1/1) ... [2024-12-02 07:33:47,823 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:33:47" (1/1) ... [2024-12-02 07:33:47,826 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 07:33:47,827 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 07:33:47,827 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 07:33:47,827 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 07:33:47,828 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:33:47" (1/1) ... [2024-12-02 07:33:47,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:33:47,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a4cd5e-c324-4ca4-8699-c728a9dbc375/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:33:47,858 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a4cd5e-c324-4ca4-8699-c728a9dbc375/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:33:47,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a4cd5e-c324-4ca4-8699-c728a9dbc375/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-12-02 07:33:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 07:33:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 07:33:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 07:33:47,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 07:33:47,939 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 07:33:47,941 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 07:33:48,270 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2024-12-02 07:33:48,270 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 07:33:48,282 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 07:33:48,283 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-02 07:33:48,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:33:48 BoogieIcfgContainer [2024-12-02 07:33:48,283 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 07:33:48,284 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-12-02 07:33:48,284 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-12-02 07:33:48,289 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-12-02 07:33:48,289 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 07:33:48,290 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 07:33:47" (1/3) ... [2024-12-02 07:33:48,291 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@a3a96c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 07:33:48, skipping insertion in model container [2024-12-02 07:33:48,291 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 07:33:48,291 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:33:47" (2/3) ... [2024-12-02 07:33:48,291 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@a3a96c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 07:33:48, skipping insertion in model container [2024-12-02 07:33:48,291 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 07:33:48,291 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:33:48" (3/3) ... [2024-12-02 07:33:48,292 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product23.cil.c [2024-12-02 07:33:48,332 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-12-02 07:33:48,332 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-12-02 07:33:48,332 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-12-02 07:33:48,332 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-12-02 07:33:48,332 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-12-02 07:33:48,333 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-12-02 07:33:48,333 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-12-02 07:33:48,333 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-12-02 07:33:48,337 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 155 states, 154 states have (on average 1.344155844155844) internal successors, (207), 154 states have internal predecessors, (207), 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) [2024-12-02 07:33:48,355 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 100 [2024-12-02 07:33:48,355 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 07:33:48,355 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 07:33:48,359 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:33:48,359 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:33:48,359 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-12-02 07:33:48,360 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 155 states, 154 states have (on average 1.344155844155844) internal successors, (207), 154 states have internal predecessors, (207), 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) [2024-12-02 07:33:48,365 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 100 [2024-12-02 07:33:48,366 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 07:33:48,366 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 07:33:48,366 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:33:48,366 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:33:48,370 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;" "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;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~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;" "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;" "assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true;" "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;" [2024-12-02 07:33:48,371 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet32#1;test_~tmp~3#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1;" "assume !(0 != test_~tmp~3#1);" "havoc test_#t~nondet33#1;test_~tmp___0~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet34#1;test_~tmp___2~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~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;" "__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;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7#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;" "assume { :end_inline_timeShift } true;" [2024-12-02 07:33:48,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:33:48,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-12-02 07:33:48,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 07:33:48,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361559900] [2024-12-02 07:33:48,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:33:48,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:33:48,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:33:48,455 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 07:33:48,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:33:48,482 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 07:33:48,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:33:48,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1258644536, now seen corresponding path program 1 times [2024-12-02 07:33:48,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 07:33:48,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000466706] [2024-12-02 07:33:48,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:33:48,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:33:48,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:33:48,493 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 07:33:48,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:33:48,500 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 07:33:48,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:33:48,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1302367732, now seen corresponding path program 1 times [2024-12-02 07:33:48,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 07:33:48,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912171954] [2024-12-02 07:33:48,502 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:33:48,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:33:48,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:33:48,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 07:33:48,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912171954] [2024-12-02 07:33:48,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912171954] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:33:48,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2035249657] [2024-12-02 07:33:48,682 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:33:48,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:33:48,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a4cd5e-c324-4ca4-8699-c728a9dbc375/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:33:48,686 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a4cd5e-c324-4ca4-8699-c728a9dbc375/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:33:48,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a4cd5e-c324-4ca4-8699-c728a9dbc375/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 07:33:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:33:48,755 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 07:33:48,756 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:33:48,803 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:33:48,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2035249657] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 07:33:48,844 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 07:33:48,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6 [2024-12-02 07:33:48,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104822861] [2024-12-02 07:33:48,845 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 07:33:48,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 07:33:48,931 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 07:33:48,932 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:33:48,934 INFO L87 Difference]: Start difference. First operand has 155 states, 154 states have (on average 1.344155844155844) internal successors, (207), 154 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:33:49,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:33:49,057 INFO L93 Difference]: Finished difference Result 353 states and 455 transitions. [2024-12-02 07:33:49,057 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 353 states and 455 transitions. [2024-12-02 07:33:49,063 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 225 [2024-12-02 07:33:49,070 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 353 states to 323 states and 425 transitions. [2024-12-02 07:33:49,071 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 323 [2024-12-02 07:33:49,072 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 323 [2024-12-02 07:33:49,072 INFO L73 IsDeterministic]: Start isDeterministic. Operand 323 states and 425 transitions. [2024-12-02 07:33:49,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 07:33:49,074 INFO L218 hiAutomatonCegarLoop]: Abstraction has 323 states and 425 transitions. [2024-12-02 07:33:49,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states and 425 transitions. [2024-12-02 07:33:49,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 189. [2024-12-02 07:33:49,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 189 states have (on average 1.3174603174603174) internal successors, (249), 188 states have internal predecessors, (249), 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) [2024-12-02 07:33:49,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 249 transitions. [2024-12-02 07:33:49,100 INFO L240 hiAutomatonCegarLoop]: Abstraction has 189 states and 249 transitions. [2024-12-02 07:33:49,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 07:33:49,104 INFO L425 stractBuchiCegarLoop]: Abstraction has 189 states and 249 transitions. [2024-12-02 07:33:49,104 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-12-02 07:33:49,105 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 189 states and 249 transitions. [2024-12-02 07:33:49,106 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 132 [2024-12-02 07:33:49,107 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 07:33:49,107 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 07:33:49,107 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:33:49,107 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] [2024-12-02 07:33:49,108 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;" "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;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~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;" "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;" "assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true;" "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;" [2024-12-02 07:33:49,108 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet32#1;test_~tmp~3#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1;" "assume !(0 != test_~tmp~3#1);" "havoc test_#t~nondet33#1;test_~tmp___0~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet34#1;test_~tmp___2~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret36#1, processEnvironment__wrappee__lowWaterSensor_~tmp~4#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~4#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__lowWaterSensor_#t~ret36#1, processEnvironment__wrappee__lowWaterSensor_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true;" "havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~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;" "__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;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7#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;" "assume { :end_inline_timeShift } true;" [2024-12-02 07:33:49,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:33:49,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-12-02 07:33:49,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 07:33:49,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693224892] [2024-12-02 07:33:49,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:33:49,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:33:49,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:33:49,118 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 07:33:49,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:33:49,126 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 07:33:49,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:33:49,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1975159191, now seen corresponding path program 1 times [2024-12-02 07:33:49,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 07:33:49,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403564215] [2024-12-02 07:33:49,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:33:49,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:33:49,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:33:49,132 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 07:33:49,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:33:49,138 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 07:33:49,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:33:49,138 INFO L85 PathProgramCache]: Analyzing trace with hash 327161179, now seen corresponding path program 1 times [2024-12-02 07:33:49,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 07:33:49,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437515822] [2024-12-02 07:33:49,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:33:49,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:33:49,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:33:49,149 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 07:33:49,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:33:49,161 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 07:33:49,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:33:49,941 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 07:33:49,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:33:49,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 07:33:49 BoogieIcfgContainer [2024-12-02 07:33:49,986 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-12-02 07:33:49,987 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 07:33:49,987 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 07:33:49,987 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 07:33:49,988 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:33:48" (3/4) ... [2024-12-02 07:33:49,989 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-12-02 07:33:50,021 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a4cd5e-c324-4ca4-8699-c728a9dbc375/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 07:33:50,021 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 07:33:50,022 INFO L158 Benchmark]: Toolchain (without parser) took 2646.35ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 99.3MB in the end (delta: 17.4MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2024-12-02 07:33:50,022 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:33:50,022 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.12ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 98.3MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 07:33:50,022 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.75ms. Allocated memory is still 142.6MB. Free memory was 98.3MB in the beginning and 95.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:33:50,023 INFO L158 Benchmark]: Boogie Preprocessor took 47.71ms. Allocated memory is still 142.6MB. Free memory was 95.6MB in the beginning and 92.9MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 07:33:50,023 INFO L158 Benchmark]: RCFGBuilder took 456.53ms. Allocated memory is still 142.6MB. Free memory was 92.7MB in the beginning and 68.9MB in the end (delta: 23.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 07:33:50,023 INFO L158 Benchmark]: BuchiAutomizer took 1702.37ms. Allocated memory is still 142.6MB. Free memory was 68.9MB in the beginning and 101.6MB in the end (delta: -32.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:33:50,024 INFO L158 Benchmark]: Witness Printer took 34.17ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 99.3MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:33:50,025 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 355.12ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 98.3MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.75ms. Allocated memory is still 142.6MB. Free memory was 98.3MB in the beginning and 95.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.71ms. Allocated memory is still 142.6MB. Free memory was 95.6MB in the beginning and 92.9MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 456.53ms. Allocated memory is still 142.6MB. Free memory was 92.7MB in the beginning and 68.9MB in the end (delta: 23.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 1702.37ms. Allocated memory is still 142.6MB. Free memory was 68.9MB in the beginning and 101.6MB in the end (delta: -32.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 34.17ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 99.3MB in the end (delta: 2.3MB). 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,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] - GenericResultAtLocation [Line: 511]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [511] - GenericResultAtLocation [Line: 581]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [581] - GenericResultAtLocation [Line: 779]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [779] - GenericResultAtLocation [Line: 806]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [806] - GenericResultAtLocation [Line: 844]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [844] - GenericResultAtLocation [Line: 940]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [940] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 7 locations. The remainder module has 189 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 134 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, 528 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 528 mSDsluCounter, 910 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 713 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 40 IncrementalHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 197 mSDtfsCounter, 40 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: 527]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L423] int waterLevel = 1; [L424] int methaneLevelCritical = 0; [L586] int pumpRunning = 0; [L587] int systemActive = 1; [L845] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L918] int retValue_acc ; [L919] int tmp ; [L923] FCALL select_helpers() [L924] FCALL select_features() [L925] CALL, EXPR valid_product() [L836] int retValue_acc ; [L839] retValue_acc = 1 [L840] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L925] RET, EXPR valid_product() [L925] tmp = valid_product() [L927] COND TRUE \read(tmp) [L929] FCALL setup() [L930] CALL runTest() [L912] CALL test() [L516] int splverifierCounter ; [L517] int tmp ; [L518] int tmp___0 ; [L519] int tmp___1 ; [L520] int tmp___2 ; [L523] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L527] COND TRUE splverifierCounter < 4 [L533] tmp = __VERIFIER_nondet_int() [L535] COND FALSE !(\read(tmp)) [L543] tmp___0 = __VERIFIER_nondet_int() [L545] COND FALSE !(\read(tmp___0)) [L553] tmp___2 = __VERIFIER_nondet_int() [L555] COND TRUE \read(tmp___2) [L570] CALL timeShift() [L594] COND FALSE !(\read(pumpRunning)) [L601] COND TRUE \read(systemActive) [L603] CALL processEnvironment() [L649] int tmp ; [L652] COND FALSE !(\read(pumpRunning)) [L667] CALL processEnvironment__wrappee__lowWaterSensor() [L623] int tmp ; [L626] COND FALSE !(\read(pumpRunning)) [L641] FCALL processEnvironment__wrappee__base() [L667] RET processEnvironment__wrappee__lowWaterSensor() [L603] RET processEnvironment() [L609] CALL __utac_acc__Specification1_spec__1() [L782] int tmp ; [L783] int tmp___0 ; [L787] CALL, EXPR isMethaneLevelCritical() [L462] int retValue_acc ; [L465] retValue_acc = methaneLevelCritical [L466] return (retValue_acc); [L787] RET, EXPR isMethaneLevelCritical() [L787] tmp = isMethaneLevelCritical() [L789] COND FALSE !(\read(tmp)) [L609] RET __utac_acc__Specification1_spec__1() [L570] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 527]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L423] int waterLevel = 1; [L424] int methaneLevelCritical = 0; [L586] int pumpRunning = 0; [L587] int systemActive = 1; [L845] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L918] int retValue_acc ; [L919] int tmp ; [L923] FCALL select_helpers() [L924] FCALL select_features() [L925] CALL, EXPR valid_product() [L836] int retValue_acc ; [L839] retValue_acc = 1 [L840] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L925] RET, EXPR valid_product() [L925] tmp = valid_product() [L927] COND TRUE \read(tmp) [L929] FCALL setup() [L930] CALL runTest() [L912] CALL test() [L516] int splverifierCounter ; [L517] int tmp ; [L518] int tmp___0 ; [L519] int tmp___1 ; [L520] int tmp___2 ; [L523] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L527] COND TRUE splverifierCounter < 4 [L533] tmp = __VERIFIER_nondet_int() [L535] COND FALSE !(\read(tmp)) [L543] tmp___0 = __VERIFIER_nondet_int() [L545] COND FALSE !(\read(tmp___0)) [L553] tmp___2 = __VERIFIER_nondet_int() [L555] COND TRUE \read(tmp___2) [L570] CALL timeShift() [L594] COND FALSE !(\read(pumpRunning)) [L601] COND TRUE \read(systemActive) [L603] CALL processEnvironment() [L649] int tmp ; [L652] COND FALSE !(\read(pumpRunning)) [L667] CALL processEnvironment__wrappee__lowWaterSensor() [L623] int tmp ; [L626] COND FALSE !(\read(pumpRunning)) [L641] FCALL processEnvironment__wrappee__base() [L667] RET processEnvironment__wrappee__lowWaterSensor() [L603] RET processEnvironment() [L609] CALL __utac_acc__Specification1_spec__1() [L782] int tmp ; [L783] int tmp___0 ; [L787] CALL, EXPR isMethaneLevelCritical() [L462] int retValue_acc ; [L465] retValue_acc = methaneLevelCritical [L466] return (retValue_acc); [L787] RET, EXPR isMethaneLevelCritical() [L787] tmp = isMethaneLevelCritical() [L789] COND FALSE !(\read(tmp)) [L609] RET __utac_acc__Specification1_spec__1() [L570] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-12-02 07:33:50,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a4cd5e-c324-4ca4-8699-c728a9dbc375/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 07:33:50,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a4cd5e-c324-4ca4-8699-c728a9dbc375/bin/uautomizer-verify-84ZbGMXZE1/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)