./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product58.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_60ca6d9f-2ef3-43ec-bbfd-b82b17b5b0e4/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ca6d9f-2ef3-43ec-bbfd-b82b17b5b0e4/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_60ca6d9f-2ef3-43ec-bbfd-b82b17b5b0e4/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ca6d9f-2ef3-43ec-bbfd-b82b17b5b0e4/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ca6d9f-2ef3-43ec-bbfd-b82b17b5b0e4/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_60ca6d9f-2ef3-43ec-bbfd-b82b17b5b0e4/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 debcf50bf3bb3961401c62ca4b7217ea7cc93038f750143121614e56b550164d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:39:31,719 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:39:31,772 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ca6d9f-2ef3-43ec-bbfd-b82b17b5b0e4/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-12-02 13:39:31,775 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:39:31,776 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:39:31,795 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:39:31,795 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:39:31,795 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:39:31,796 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:39:31,796 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:39:31,796 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:39:31,796 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:39:31,796 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:39:31,796 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-12-02 13:39:31,797 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-12-02 13:39:31,797 INFO L153 SettingsManager]: * Use old map elimination=false [2024-12-02 13:39:31,797 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-12-02 13:39:31,797 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-12-02 13:39:31,797 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-12-02 13:39:31,797 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:39:31,797 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-12-02 13:39:31,797 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 13:39:31,797 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 13:39:31,797 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 13:39:31,798 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:39:31,798 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-12-02 13:39:31,798 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-12-02 13:39:31,798 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-12-02 13:39:31,798 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 13:39:31,798 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 13:39:31,798 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:39:31,798 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-12-02 13:39:31,798 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:39:31,798 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:39:31,799 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:39:31,799 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:39:31,799 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:39:31,799 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-12-02 13:39:31,799 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-12-02 13:39:31,799 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_60ca6d9f-2ef3-43ec-bbfd-b82b17b5b0e4/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 -> debcf50bf3bb3961401c62ca4b7217ea7cc93038f750143121614e56b550164d [2024-12-02 13:39:31,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:39:32,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:39:32,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:39:32,007 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:39:32,007 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:39:32,008 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ca6d9f-2ef3-43ec-bbfd-b82b17b5b0e4/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c [2024-12-02 13:39:34,654 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ca6d9f-2ef3-43ec-bbfd-b82b17b5b0e4/bin/uautomizer-verify-84ZbGMXZE1/data/fa2ef4503/4ea312c675284d839213e2a4884893fa/FLAGcaafea611 [2024-12-02 13:39:34,889 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:39:34,890 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ca6d9f-2ef3-43ec-bbfd-b82b17b5b0e4/sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c [2024-12-02 13:39:34,901 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ca6d9f-2ef3-43ec-bbfd-b82b17b5b0e4/bin/uautomizer-verify-84ZbGMXZE1/data/fa2ef4503/4ea312c675284d839213e2a4884893fa/FLAGcaafea611 [2024-12-02 13:39:35,217 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ca6d9f-2ef3-43ec-bbfd-b82b17b5b0e4/bin/uautomizer-verify-84ZbGMXZE1/data/fa2ef4503/4ea312c675284d839213e2a4884893fa [2024-12-02 13:39:35,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:39:35,220 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:39:35,221 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:39:35,221 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:39:35,225 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:39:35,226 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:39:35" (1/1) ... [2024-12-02 13:39:35,226 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47534941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:35, skipping insertion in model container [2024-12-02 13:39:35,227 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:39:35" (1/1) ... [2024-12-02 13:39:35,253 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:39:35,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:39:35,468 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:39:35,475 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-12-02 13:39:35,477 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [415] [2024-12-02 13:39:35,477 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [444] [2024-12-02 13:39:35,477 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [453] [2024-12-02 13:39:35,477 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [563] [2024-12-02 13:39:35,477 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [665] [2024-12-02 13:39:35,477 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [700] [2024-12-02 13:39:35,477 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [926] [2024-12-02 13:39:35,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:39:35,537 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:39:35,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:35 WrapperNode [2024-12-02 13:39:35,538 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:39:35,539 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:39:35,539 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:39:35,539 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:39:35,545 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:35" (1/1) ... [2024-12-02 13:39:35,556 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:35" (1/1) ... [2024-12-02 13:39:35,585 INFO L138 Inliner]: procedures = 57, calls = 102, calls flagged for inlining = 55, calls inlined = 99, statements flattened = 676 [2024-12-02 13:39:35,585 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:39:35,586 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:39:35,586 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:39:35,586 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:39:35,595 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:35" (1/1) ... [2024-12-02 13:39:35,595 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:35" (1/1) ... [2024-12-02 13:39:35,598 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:35" (1/1) ... [2024-12-02 13:39:35,614 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 13:39:35,614 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:35" (1/1) ... [2024-12-02 13:39:35,614 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:35" (1/1) ... [2024-12-02 13:39:35,624 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:35" (1/1) ... [2024-12-02 13:39:35,625 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:35" (1/1) ... [2024-12-02 13:39:35,631 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:35" (1/1) ... [2024-12-02 13:39:35,633 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:35" (1/1) ... [2024-12-02 13:39:35,634 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:35" (1/1) ... [2024-12-02 13:39:35,638 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:39:35,638 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:39:35,639 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:39:35,639 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:39:35,640 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:35" (1/1) ... [2024-12-02 13:39:35,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 13:39:35,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ca6d9f-2ef3-43ec-bbfd-b82b17b5b0e4/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:39:35,672 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ca6d9f-2ef3-43ec-bbfd-b82b17b5b0e4/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 13:39:35,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ca6d9f-2ef3-43ec-bbfd-b82b17b5b0e4/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-12-02 13:39:35,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:39:35,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 13:39:35,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:39:35,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:39:35,770 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:39:35,771 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:39:36,170 INFO L? ?]: Removed 166 outVars from TransFormulas that were not future-live. [2024-12-02 13:39:36,170 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:39:36,183 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:39:36,183 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-02 13:39:36,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:39:36 BoogieIcfgContainer [2024-12-02 13:39:36,184 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:39:36,184 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-12-02 13:39:36,185 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-12-02 13:39:36,189 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-12-02 13:39:36,190 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 13:39:36,190 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 01:39:35" (1/3) ... [2024-12-02 13:39:36,191 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f52164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 01:39:36, skipping insertion in model container [2024-12-02 13:39:36,191 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 13:39:36,191 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:35" (2/3) ... [2024-12-02 13:39:36,191 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f52164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 01:39:36, skipping insertion in model container [2024-12-02 13:39:36,191 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 13:39:36,191 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:39:36" (3/3) ... [2024-12-02 13:39:36,192 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product58.cil.c [2024-12-02 13:39:36,245 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-12-02 13:39:36,245 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-12-02 13:39:36,246 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-12-02 13:39:36,246 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-12-02 13:39:36,246 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-12-02 13:39:36,246 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-12-02 13:39:36,246 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-12-02 13:39:36,246 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-12-02 13:39:36,250 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 188 states, 187 states have (on average 1.358288770053476) internal successors, (254), 187 states have internal predecessors, (254), 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 13:39:36,266 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 121 [2024-12-02 13:39:36,266 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 13:39:36,267 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 13:39:36,270 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:39:36,271 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:39:36,271 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-12-02 13:39:36,271 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 188 states, 187 states have (on average 1.358288770053476) internal successors, (254), 187 states have internal predecessors, (254), 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 13:39:36,277 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 121 [2024-12-02 13:39:36,277 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 13:39:36,277 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 13:39:36,277 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:39:36,277 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:39:36,281 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;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret34#1, main_~retValue_acc~7#1, main_~tmp~4#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1;" "main_#t~ret34#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret34#1;havoc main_#t~ret34#1;" "assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_~splverifierCounter~0#1, test_~tmp~10#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~10#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-12-02 13:39:36,281 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet50#1;test_~tmp~10#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1;" "assume !(0 != test_~tmp~10#1);" "havoc test_#t~nondet51#1;test_~tmp___0~3#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1;" "assume !(0 != test_~tmp___0~3#1);" "havoc test_#t~nondet52#1;test_~tmp___2~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1;" "__utac_acc__Specification4_spec__1_#t~ret27#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret27#1;havoc __utac_acc__Specification4_spec__1_#t~ret27#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-12-02 13:39:36,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:39:36,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-12-02 13:39:36,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 13:39:36,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19047917] [2024-12-02 13:39:36,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:39:36,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:39:36,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:39:36,361 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:39:36,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:39:36,390 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 13:39:36,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:39:36,392 INFO L85 PathProgramCache]: Analyzing trace with hash -450919441, now seen corresponding path program 1 times [2024-12-02 13:39:36,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 13:39:36,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116681253] [2024-12-02 13:39:36,393 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:39:36,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:39:36,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:39:36,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 13:39:36,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116681253] [2024-12-02 13:39:36,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116681253] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:39:36,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [749151971] [2024-12-02 13:39:36,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:39:36,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:39:36,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ca6d9f-2ef3-43ec-bbfd-b82b17b5b0e4/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:39:36,466 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ca6d9f-2ef3-43ec-bbfd-b82b17b5b0e4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:39:36,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ca6d9f-2ef3-43ec-bbfd-b82b17b5b0e4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 13:39:36,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:39:36,513 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 13:39:36,514 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:39:36,534 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:39:36,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [749151971] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:39:36,549 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 13:39:36,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-12-02 13:39:36,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763425877] [2024-12-02 13:39:36,550 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 13:39:36,553 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-12-02 13:39:36,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 13:39:36,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:39:36,573 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:39:36,575 INFO L87 Difference]: Start difference. First operand has 188 states, 187 states have (on average 1.358288770053476) internal successors, (254), 187 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 13:39:36,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:39:36,608 INFO L93 Difference]: Finished difference Result 182 states and 238 transitions. [2024-12-02 13:39:36,609 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 182 states and 238 transitions. [2024-12-02 13:39:36,613 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 115 [2024-12-02 13:39:36,619 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 182 states to 172 states and 227 transitions. [2024-12-02 13:39:36,620 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 172 [2024-12-02 13:39:36,621 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 172 [2024-12-02 13:39:36,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 172 states and 227 transitions. [2024-12-02 13:39:36,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 13:39:36,622 INFO L218 hiAutomatonCegarLoop]: Abstraction has 172 states and 227 transitions. [2024-12-02 13:39:36,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states and 227 transitions. [2024-12-02 13:39:36,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2024-12-02 13:39:36,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 172 states have (on average 1.319767441860465) internal successors, (227), 171 states have internal predecessors, (227), 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 13:39:36,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 227 transitions. [2024-12-02 13:39:36,646 INFO L240 hiAutomatonCegarLoop]: Abstraction has 172 states and 227 transitions. [2024-12-02 13:39:36,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:39:36,651 INFO L425 stractBuchiCegarLoop]: Abstraction has 172 states and 227 transitions. [2024-12-02 13:39:36,651 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-12-02 13:39:36,651 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 172 states and 227 transitions. [2024-12-02 13:39:36,653 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 115 [2024-12-02 13:39:36,653 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 13:39:36,653 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 13:39:36,654 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:39:36,654 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:39:36,654 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;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret34#1, main_~retValue_acc~7#1, main_~tmp~4#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1;" "main_#t~ret34#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret34#1;havoc main_#t~ret34#1;" "assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_~splverifierCounter~0#1, test_~tmp~10#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~10#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-12-02 13:39:36,654 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet50#1;test_~tmp~10#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1;" "assume !(0 != test_~tmp~10#1);" "havoc test_#t~nondet51#1;test_~tmp___0~3#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1;" "assume !(0 != test_~tmp___0~3#1);" "havoc test_#t~nondet52#1;test_~tmp___2~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "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~6#1;havoc processEnvironment_~tmp~6#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1;" "assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1;" "__utac_acc__Specification4_spec__1_#t~ret27#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret27#1;havoc __utac_acc__Specification4_spec__1_#t~ret27#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-12-02 13:39:36,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:39:36,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-12-02 13:39:36,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 13:39:36,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382102916] [2024-12-02 13:39:36,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:39:36,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:39:36,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:39:36,667 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:39:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:39:36,679 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 13:39:36,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:39:36,679 INFO L85 PathProgramCache]: Analyzing trace with hash 716404840, now seen corresponding path program 1 times [2024-12-02 13:39:36,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 13:39:36,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922934881] [2024-12-02 13:39:36,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:39:36,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:39:36,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:39:36,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 13:39:36,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922934881] [2024-12-02 13:39:36,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922934881] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:39:36,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1500257223] [2024-12-02 13:39:36,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:39:36,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:39:36,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ca6d9f-2ef3-43ec-bbfd-b82b17b5b0e4/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:39:36,712 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ca6d9f-2ef3-43ec-bbfd-b82b17b5b0e4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:39:36,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ca6d9f-2ef3-43ec-bbfd-b82b17b5b0e4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 13:39:36,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:39:36,754 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 13:39:36,755 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:39:36,763 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:39:36,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1500257223] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:39:36,772 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 13:39:36,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-12-02 13:39:36,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68095812] [2024-12-02 13:39:36,772 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 13:39:36,772 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-12-02 13:39:36,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 13:39:36,773 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:39:36,773 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:39:36,773 INFO L87 Difference]: Start difference. First operand 172 states and 227 transitions. cyclomatic complexity: 57 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 13:39:36,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:39:36,866 INFO L93 Difference]: Finished difference Result 232 states and 294 transitions. [2024-12-02 13:39:36,866 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 232 states and 294 transitions. [2024-12-02 13:39:36,867 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 160 [2024-12-02 13:39:36,869 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 232 states to 232 states and 294 transitions. [2024-12-02 13:39:36,869 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 232 [2024-12-02 13:39:36,870 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 232 [2024-12-02 13:39:36,870 INFO L73 IsDeterministic]: Start isDeterministic. Operand 232 states and 294 transitions. [2024-12-02 13:39:36,871 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 13:39:36,871 INFO L218 hiAutomatonCegarLoop]: Abstraction has 232 states and 294 transitions. [2024-12-02 13:39:36,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states and 294 transitions. [2024-12-02 13:39:36,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 232. [2024-12-02 13:39:36,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 232 states have (on average 1.2672413793103448) internal successors, (294), 231 states have internal predecessors, (294), 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 13:39:36,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 294 transitions. [2024-12-02 13:39:36,879 INFO L240 hiAutomatonCegarLoop]: Abstraction has 232 states and 294 transitions. [2024-12-02 13:39:36,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:39:36,880 INFO L425 stractBuchiCegarLoop]: Abstraction has 232 states and 294 transitions. [2024-12-02 13:39:36,881 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-12-02 13:39:36,881 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 232 states and 294 transitions. [2024-12-02 13:39:36,882 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 160 [2024-12-02 13:39:36,882 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 13:39:36,882 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 13:39:36,883 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:39:36,883 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:39:36,883 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;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret34#1, main_~retValue_acc~7#1, main_~tmp~4#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1;" "main_#t~ret34#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret34#1;havoc main_#t~ret34#1;" "assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_~splverifierCounter~0#1, test_~tmp~10#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~10#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-12-02 13:39:36,883 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet50#1;test_~tmp~10#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1;" "assume !(0 != test_~tmp~10#1);" "havoc test_#t~nondet51#1;test_~tmp___0~3#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1;" "assume !(0 != test_~tmp___0~3#1);" "havoc test_#t~nondet52#1;test_~tmp___2~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "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~6#1;havoc processEnvironment_~tmp~6#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret48#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~12#1;havoc isHighWaterLevel_~tmp~8#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1;" "isHighWaterLevel_#t~ret48#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret48#1;havoc isHighWaterLevel_#t~ret48#1;" "assume !(0 != isHighWaterLevel_~tmp~8#1);isHighWaterLevel_~tmp___0~1#1 := 1;" "isHighWaterLevel_~retValue_acc~12#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret36#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret48#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~5#1 := processEnvironment__wrappee__highWaterSensor_#t~ret36#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1;" "__utac_acc__Specification4_spec__1_#t~ret27#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret27#1;havoc __utac_acc__Specification4_spec__1_#t~ret27#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-12-02 13:39:36,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:39:36,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-12-02 13:39:36,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 13:39:36,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032101409] [2024-12-02 13:39:36,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:39:36,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:39:36,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:39:36,894 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:39:36,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:39:36,903 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 13:39:36,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:39:36,904 INFO L85 PathProgramCache]: Analyzing trace with hash 72458974, now seen corresponding path program 1 times [2024-12-02 13:39:36,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 13:39:36,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953176143] [2024-12-02 13:39:36,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:39:36,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:39:36,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:39:36,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 13:39:36,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953176143] [2024-12-02 13:39:36,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953176143] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:39:36,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296014360] [2024-12-02 13:39:36,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:39:36,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:39:36,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ca6d9f-2ef3-43ec-bbfd-b82b17b5b0e4/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:39:36,967 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ca6d9f-2ef3-43ec-bbfd-b82b17b5b0e4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:39:36,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ca6d9f-2ef3-43ec-bbfd-b82b17b5b0e4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 13:39:37,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:39:37,014 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 13:39:37,015 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:39:37,044 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:39:37,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1296014360] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:39:37,062 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 13:39:37,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-12-02 13:39:37,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777279479] [2024-12-02 13:39:37,063 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 13:39:37,063 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-12-02 13:39:37,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 13:39:37,063 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:39:37,063 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:39:37,064 INFO L87 Difference]: Start difference. First operand 232 states and 294 transitions. cyclomatic complexity: 64 Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 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 13:39:37,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:39:37,165 INFO L93 Difference]: Finished difference Result 244 states and 306 transitions. [2024-12-02 13:39:37,165 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 244 states and 306 transitions. [2024-12-02 13:39:37,167 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 168 [2024-12-02 13:39:37,168 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 244 states to 244 states and 306 transitions. [2024-12-02 13:39:37,169 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 244 [2024-12-02 13:39:37,169 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 244 [2024-12-02 13:39:37,169 INFO L73 IsDeterministic]: Start isDeterministic. Operand 244 states and 306 transitions. [2024-12-02 13:39:37,170 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 13:39:37,170 INFO L218 hiAutomatonCegarLoop]: Abstraction has 244 states and 306 transitions. [2024-12-02 13:39:37,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states and 306 transitions. [2024-12-02 13:39:37,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2024-12-02 13:39:37,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 244 states have (on average 1.2540983606557377) internal successors, (306), 243 states have internal predecessors, (306), 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 13:39:37,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 306 transitions. [2024-12-02 13:39:37,179 INFO L240 hiAutomatonCegarLoop]: Abstraction has 244 states and 306 transitions. [2024-12-02 13:39:37,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:39:37,180 INFO L425 stractBuchiCegarLoop]: Abstraction has 244 states and 306 transitions. [2024-12-02 13:39:37,180 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-12-02 13:39:37,180 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 244 states and 306 transitions. [2024-12-02 13:39:37,182 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 168 [2024-12-02 13:39:37,182 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 13:39:37,182 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 13:39:37,182 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:39:37,182 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:39:37,183 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;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret34#1, main_~retValue_acc~7#1, main_~tmp~4#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1;" "main_#t~ret34#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret34#1;havoc main_#t~ret34#1;" "assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_~splverifierCounter~0#1, test_~tmp~10#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~10#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-12-02 13:39:37,183 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet50#1;test_~tmp~10#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1;" "assume !(0 != test_~tmp~10#1);" "havoc test_#t~nondet51#1;test_~tmp___0~3#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1;" "assume !(0 != test_~tmp___0~3#1);" "havoc test_#t~nondet52#1;test_~tmp___2~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet53#1;test_~tmp___1~0#1 := test_#t~nondet53#1;havoc test_#t~nondet53#1;" "assume 0 != test_~tmp___1~0#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~6#1;havoc processEnvironment_~tmp~6#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret48#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~12#1;havoc isHighWaterLevel_~tmp~8#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;" "assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~5#1 := 0;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1;" "isHighWaterLevel_#t~ret48#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret48#1;havoc isHighWaterLevel_#t~ret48#1;" "assume !(0 != isHighWaterLevel_~tmp~8#1);isHighWaterLevel_~tmp___0~1#1 := 1;" "isHighWaterLevel_~retValue_acc~12#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret36#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret48#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~5#1 := processEnvironment__wrappee__highWaterSensor_#t~ret36#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1;" "__utac_acc__Specification4_spec__1_#t~ret27#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret27#1;havoc __utac_acc__Specification4_spec__1_#t~ret27#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-12-02 13:39:37,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:39:37,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 4 times [2024-12-02 13:39:37,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 13:39:37,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458810186] [2024-12-02 13:39:37,183 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:39:37,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:39:37,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:39:37,191 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:39:37,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:39:37,198 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 13:39:37,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:39:37,199 INFO L85 PathProgramCache]: Analyzing trace with hash -2137375749, now seen corresponding path program 1 times [2024-12-02 13:39:37,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 13:39:37,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319596358] [2024-12-02 13:39:37,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:39:37,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:39:37,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:39:37,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 13:39:37,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319596358] [2024-12-02 13:39:37,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319596358] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:39:37,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384369197] [2024-12-02 13:39:37,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:39:37,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:39:37,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ca6d9f-2ef3-43ec-bbfd-b82b17b5b0e4/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:39:37,266 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ca6d9f-2ef3-43ec-bbfd-b82b17b5b0e4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:39:37,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ca6d9f-2ef3-43ec-bbfd-b82b17b5b0e4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 13:39:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:39:37,312 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 13:39:37,314 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:39:37,331 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:39:37,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [384369197] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:39:37,354 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 13:39:37,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2024-12-02 13:39:37,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054234307] [2024-12-02 13:39:37,355 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 13:39:37,355 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-12-02 13:39:37,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 13:39:37,356 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:39:37,356 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:39:37,356 INFO L87 Difference]: Start difference. First operand 244 states and 306 transitions. cyclomatic complexity: 64 Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 13:39:37,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:39:37,476 INFO L93 Difference]: Finished difference Result 262 states and 324 transitions. [2024-12-02 13:39:37,476 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 262 states and 324 transitions. [2024-12-02 13:39:37,478 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 180 [2024-12-02 13:39:37,479 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 262 states to 262 states and 324 transitions. [2024-12-02 13:39:37,479 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 262 [2024-12-02 13:39:37,480 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 262 [2024-12-02 13:39:37,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 262 states and 324 transitions. [2024-12-02 13:39:37,480 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 13:39:37,481 INFO L218 hiAutomatonCegarLoop]: Abstraction has 262 states and 324 transitions. [2024-12-02 13:39:37,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states and 324 transitions. [2024-12-02 13:39:37,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 262. [2024-12-02 13:39:37,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 262 states have (on average 1.2366412213740459) internal successors, (324), 261 states have internal predecessors, (324), 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 13:39:37,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 324 transitions. [2024-12-02 13:39:37,488 INFO L240 hiAutomatonCegarLoop]: Abstraction has 262 states and 324 transitions. [2024-12-02 13:39:37,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:39:37,490 INFO L425 stractBuchiCegarLoop]: Abstraction has 262 states and 324 transitions. [2024-12-02 13:39:37,490 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-12-02 13:39:37,490 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 262 states and 324 transitions. [2024-12-02 13:39:37,492 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 180 [2024-12-02 13:39:37,492 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 13:39:37,492 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 13:39:37,492 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:39:37,493 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:39:37,493 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;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret34#1, main_~retValue_acc~7#1, main_~tmp~4#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1;" "main_#t~ret34#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret34#1;havoc main_#t~ret34#1;" "assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_~splverifierCounter~0#1, test_~tmp~10#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~10#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-12-02 13:39:37,493 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet50#1;test_~tmp~10#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1;" "assume !(0 != test_~tmp~10#1);" "havoc test_#t~nondet51#1;test_~tmp___0~3#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1;" "assume !(0 != test_~tmp___0~3#1);" "havoc test_#t~nondet52#1;test_~tmp___2~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet53#1;test_~tmp___1~0#1 := test_#t~nondet53#1;havoc test_#t~nondet53#1;" "assume 0 != test_~tmp___1~0#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~6#1;havoc processEnvironment_~tmp~6#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret48#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~12#1;havoc isHighWaterLevel_~tmp~8#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;" "assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~5#1 := 0;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1;" "isHighWaterLevel_#t~ret48#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret48#1;havoc isHighWaterLevel_#t~ret48#1;" "assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~1#1 := 0;" "isHighWaterLevel_~retValue_acc~12#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret36#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret48#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~5#1 := processEnvironment__wrappee__highWaterSensor_#t~ret36#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1;" "__utac_acc__Specification4_spec__1_#t~ret27#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret27#1;havoc __utac_acc__Specification4_spec__1_#t~ret27#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-12-02 13:39:37,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:39:37,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 5 times [2024-12-02 13:39:37,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 13:39:37,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626395486] [2024-12-02 13:39:37,494 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:39:37,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:39:37,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:39:37,501 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:39:37,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:39:37,507 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 13:39:37,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:39:37,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1899426109, now seen corresponding path program 1 times [2024-12-02 13:39:37,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 13:39:37,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371880283] [2024-12-02 13:39:37,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:39:37,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:39:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:39:37,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 13:39:37,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371880283] [2024-12-02 13:39:37,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371880283] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:39:37,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1507628454] [2024-12-02 13:39:37,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:39:37,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:39:37,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ca6d9f-2ef3-43ec-bbfd-b82b17b5b0e4/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:39:37,544 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ca6d9f-2ef3-43ec-bbfd-b82b17b5b0e4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:39:37,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ca6d9f-2ef3-43ec-bbfd-b82b17b5b0e4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 13:39:37,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:39:37,589 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 13:39:37,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:39:37,599 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:39:37,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1507628454] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:39:37,607 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 13:39:37,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2024-12-02 13:39:37,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129315759] [2024-12-02 13:39:37,608 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 13:39:37,608 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-12-02 13:39:37,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 13:39:37,609 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:39:37,609 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:39:37,609 INFO L87 Difference]: Start difference. First operand 262 states and 324 transitions. cyclomatic complexity: 64 Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 13:39:37,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:39:37,670 INFO L93 Difference]: Finished difference Result 262 states and 318 transitions. [2024-12-02 13:39:37,670 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 262 states and 318 transitions. [2024-12-02 13:39:37,672 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 180 [2024-12-02 13:39:37,673 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 262 states to 262 states and 318 transitions. [2024-12-02 13:39:37,674 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 262 [2024-12-02 13:39:37,674 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 262 [2024-12-02 13:39:37,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 262 states and 318 transitions. [2024-12-02 13:39:37,674 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 13:39:37,674 INFO L218 hiAutomatonCegarLoop]: Abstraction has 262 states and 318 transitions. [2024-12-02 13:39:37,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states and 318 transitions. [2024-12-02 13:39:37,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 262. [2024-12-02 13:39:37,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 262 states have (on average 1.213740458015267) internal successors, (318), 261 states have internal predecessors, (318), 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 13:39:37,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 318 transitions. [2024-12-02 13:39:37,681 INFO L240 hiAutomatonCegarLoop]: Abstraction has 262 states and 318 transitions. [2024-12-02 13:39:37,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:39:37,683 INFO L425 stractBuchiCegarLoop]: Abstraction has 262 states and 318 transitions. [2024-12-02 13:39:37,683 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-12-02 13:39:37,683 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 262 states and 318 transitions. [2024-12-02 13:39:37,684 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 180 [2024-12-02 13:39:37,685 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 13:39:37,685 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 13:39:37,685 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:39:37,685 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:39:37,685 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;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret34#1, main_~retValue_acc~7#1, main_~tmp~4#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1;" "main_#t~ret34#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret34#1;havoc main_#t~ret34#1;" "assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_~splverifierCounter~0#1, test_~tmp~10#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~10#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-12-02 13:39:37,685 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet50#1;test_~tmp~10#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1;" "assume !(0 != test_~tmp~10#1);" "havoc test_#t~nondet51#1;test_~tmp___0~3#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1;" "assume !(0 != test_~tmp___0~3#1);" "havoc test_#t~nondet52#1;test_~tmp___2~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "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~6#1;havoc processEnvironment_~tmp~6#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret48#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~12#1;havoc isHighWaterLevel_~tmp~8#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1;" "isHighWaterLevel_#t~ret48#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret48#1;havoc isHighWaterLevel_#t~ret48#1;" "assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~1#1 := 0;" "isHighWaterLevel_~retValue_acc~12#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret36#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret48#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~5#1 := processEnvironment__wrappee__highWaterSensor_#t~ret36#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1;" "__utac_acc__Specification4_spec__1_#t~ret27#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret27#1;havoc __utac_acc__Specification4_spec__1_#t~ret27#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-12-02 13:39:37,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:39:37,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 6 times [2024-12-02 13:39:37,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 13:39:37,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274235583] [2024-12-02 13:39:37,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:39:37,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:39:37,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:39:37,693 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:39:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:39:37,699 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 13:39:37,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:39:37,699 INFO L85 PathProgramCache]: Analyzing trace with hash -185706464, now seen corresponding path program 1 times [2024-12-02 13:39:37,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 13:39:37,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476788330] [2024-12-02 13:39:37,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:39:37,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:39:37,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:39:37,707 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:39:37,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:39:37,714 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 13:39:37,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:39:37,715 INFO L85 PathProgramCache]: Analyzing trace with hash 189581276, now seen corresponding path program 1 times [2024-12-02 13:39:37,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 13:39:37,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554592632] [2024-12-02 13:39:37,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:39:37,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:39:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:39:37,726 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:39:37,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:39:37,737 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 13:39:38,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:39:38,554 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:39:38,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:39:38,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 01:39:38 BoogieIcfgContainer [2024-12-02 13:39:38,598 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-12-02 13:39:38,599 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 13:39:38,599 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 13:39:38,599 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 13:39:38,600 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:39:36" (3/4) ... [2024-12-02 13:39:38,601 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-12-02 13:39:38,633 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ca6d9f-2ef3-43ec-bbfd-b82b17b5b0e4/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 13:39:38,633 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 13:39:38,634 INFO L158 Benchmark]: Toolchain (without parser) took 3414.00ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 78.1MB in the end (delta: 39.3MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2024-12-02 13:39:38,634 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory was 83.2MB in the beginning and 83.1MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:39:38,634 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.50ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 98.5MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 13:39:38,634 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.38ms. Allocated memory is still 142.6MB. Free memory was 98.5MB in the beginning and 95.4MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:39:38,635 INFO L158 Benchmark]: Boogie Preprocessor took 52.27ms. Allocated memory is still 142.6MB. Free memory was 95.4MB in the beginning and 92.1MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 13:39:38,635 INFO L158 Benchmark]: RCFGBuilder took 545.26ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 63.7MB in the end (delta: 28.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 13:39:38,635 INFO L158 Benchmark]: BuchiAutomizer took 2413.72ms. Allocated memory is still 142.6MB. Free memory was 63.5MB in the beginning and 80.6MB in the end (delta: -17.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:39:38,635 INFO L158 Benchmark]: Witness Printer took 34.16ms. Allocated memory is still 142.6MB. Free memory was 80.6MB in the beginning and 78.1MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:39:38,637 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory was 83.2MB in the beginning and 83.1MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.50ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 98.5MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.38ms. Allocated memory is still 142.6MB. Free memory was 98.5MB in the beginning and 95.4MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 52.27ms. Allocated memory is still 142.6MB. Free memory was 95.4MB in the beginning and 92.1MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 545.26ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 63.7MB in the end (delta: 28.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 2413.72ms. Allocated memory is still 142.6MB. Free memory was 63.5MB in the beginning and 80.6MB in the end (delta: -17.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 34.16ms. Allocated memory is still 142.6MB. Free memory was 80.6MB in the beginning and 78.1MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [415] - GenericResultAtLocation [Line: 444]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [444] - GenericResultAtLocation [Line: 453]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [453] - GenericResultAtLocation [Line: 563]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [563] - GenericResultAtLocation [Line: 665]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [665] - GenericResultAtLocation [Line: 700]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [700] - GenericResultAtLocation [Line: 926]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [926] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (5 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.5 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 262 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.2s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 393 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 393 mSDsluCounter, 2735 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1642 mSDsCounter, 78 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 329 IncrementalHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 78 mSolverCounterUnsat, 1093 mSDtfsCounter, 329 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI5 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 939]: 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; [L461] int waterLevel = 1; [L462] int methaneLevelCritical = 0; [L564] int cleanupTimeShifts = 4; [L704] int pumpRunning = 0; [L705] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L643] int retValue_acc ; [L644] int tmp ; [L648] FCALL select_helpers() [L649] FCALL select_features() [L650] CALL, EXPR valid_product() [L692] int retValue_acc ; [L695] retValue_acc = 1 [L696] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L650] RET, EXPR valid_product() [L650] tmp = valid_product() [L652] COND TRUE \read(tmp) [L654] FCALL setup() [L655] CALL runTest() [L634] CALL test() [L928] int splverifierCounter ; [L929] int tmp ; [L930] int tmp___0 ; [L931] int tmp___1 ; [L932] int tmp___2 ; [L935] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L939] COND TRUE splverifierCounter < 4 [L945] tmp = __VERIFIER_nondet_int() [L947] COND FALSE !(\read(tmp)) [L955] tmp___0 = __VERIFIER_nondet_int() [L957] COND FALSE !(\read(tmp___0)) [L965] tmp___2 = __VERIFIER_nondet_int() [L967] COND TRUE \read(tmp___2) [L969] CALL startSystem() [L922] systemActive = 1 [L969] RET startSystem() [L982] CALL timeShift() [L711] COND FALSE !(\read(pumpRunning)) [L718] COND TRUE \read(systemActive) [L720] CALL processEnvironment() [L766] int tmp ; [L769] COND FALSE !(\read(pumpRunning)) [L784] CALL processEnvironment__wrappee__highWaterSensor() [L740] int tmp ; [L743] COND TRUE ! pumpRunning [L745] CALL, EXPR isHighWaterLevel() [L881] int retValue_acc ; [L882] int tmp ; [L883] int tmp___0 ; [L887] CALL, EXPR isHighWaterSensorDry() [L541] int retValue_acc ; [L544] COND TRUE waterLevel < 2 [L545] retValue_acc = 1 [L546] return (retValue_acc); [L887] RET, EXPR isHighWaterSensorDry() [L887] tmp = isHighWaterSensorDry() [L889] COND TRUE \read(tmp) [L890] tmp___0 = 0 [L894] retValue_acc = tmp___0 [L895] return (retValue_acc); [L745] RET, EXPR isHighWaterLevel() [L745] tmp = isHighWaterLevel() [L747] COND FALSE !(\read(tmp)) [L753] FCALL processEnvironment__wrappee__base() [L784] RET processEnvironment__wrappee__highWaterSensor() [L720] RET processEnvironment() [L726] CALL __utac_acc__Specification4_spec__1() [L420] int tmp ; [L421] int tmp___0 ; [L425] CALL, EXPR getWaterLevel() [L532] int retValue_acc ; [L535] retValue_acc = waterLevel [L536] return (retValue_acc); [L425] RET, EXPR getWaterLevel() [L425] tmp = getWaterLevel() [L427] COND FALSE !(tmp == 0) [L726] RET __utac_acc__Specification4_spec__1() [L982] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 939]: 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; [L461] int waterLevel = 1; [L462] int methaneLevelCritical = 0; [L564] int cleanupTimeShifts = 4; [L704] int pumpRunning = 0; [L705] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L643] int retValue_acc ; [L644] int tmp ; [L648] FCALL select_helpers() [L649] FCALL select_features() [L650] CALL, EXPR valid_product() [L692] int retValue_acc ; [L695] retValue_acc = 1 [L696] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L650] RET, EXPR valid_product() [L650] tmp = valid_product() [L652] COND TRUE \read(tmp) [L654] FCALL setup() [L655] CALL runTest() [L634] CALL test() [L928] int splverifierCounter ; [L929] int tmp ; [L930] int tmp___0 ; [L931] int tmp___1 ; [L932] int tmp___2 ; [L935] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L939] COND TRUE splverifierCounter < 4 [L945] tmp = __VERIFIER_nondet_int() [L947] COND FALSE !(\read(tmp)) [L955] tmp___0 = __VERIFIER_nondet_int() [L957] COND FALSE !(\read(tmp___0)) [L965] tmp___2 = __VERIFIER_nondet_int() [L967] COND TRUE \read(tmp___2) [L969] CALL startSystem() [L922] systemActive = 1 [L969] RET startSystem() [L982] CALL timeShift() [L711] COND FALSE !(\read(pumpRunning)) [L718] COND TRUE \read(systemActive) [L720] CALL processEnvironment() [L766] int tmp ; [L769] COND FALSE !(\read(pumpRunning)) [L784] CALL processEnvironment__wrappee__highWaterSensor() [L740] int tmp ; [L743] COND TRUE ! pumpRunning [L745] CALL, EXPR isHighWaterLevel() [L881] int retValue_acc ; [L882] int tmp ; [L883] int tmp___0 ; [L887] CALL, EXPR isHighWaterSensorDry() [L541] int retValue_acc ; [L544] COND TRUE waterLevel < 2 [L545] retValue_acc = 1 [L546] return (retValue_acc); [L887] RET, EXPR isHighWaterSensorDry() [L887] tmp = isHighWaterSensorDry() [L889] COND TRUE \read(tmp) [L890] tmp___0 = 0 [L894] retValue_acc = tmp___0 [L895] return (retValue_acc); [L745] RET, EXPR isHighWaterLevel() [L745] tmp = isHighWaterLevel() [L747] COND FALSE !(\read(tmp)) [L753] FCALL processEnvironment__wrappee__base() [L784] RET processEnvironment__wrappee__highWaterSensor() [L720] RET processEnvironment() [L726] CALL __utac_acc__Specification4_spec__1() [L420] int tmp ; [L421] int tmp___0 ; [L425] CALL, EXPR getWaterLevel() [L532] int retValue_acc ; [L535] retValue_acc = waterLevel [L536] return (retValue_acc); [L425] RET, EXPR getWaterLevel() [L425] tmp = getWaterLevel() [L427] COND FALSE !(tmp == 0) [L726] RET __utac_acc__Specification4_spec__1() [L982] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-12-02 13:39:38,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ca6d9f-2ef3-43ec-bbfd-b82b17b5b0e4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 13:39:38,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ca6d9f-2ef3-43ec-bbfd-b82b17b5b0e4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 13:39:39,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ca6d9f-2ef3-43ec-bbfd-b82b17b5b0e4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 13:39:39,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ca6d9f-2ef3-43ec-bbfd-b82b17b5b0e4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 13:39:39,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ca6d9f-2ef3-43ec-bbfd-b82b17b5b0e4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 13:39:39,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ca6d9f-2ef3-43ec-bbfd-b82b17b5b0e4/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)