./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product03.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727c5770-a160-4b3a-9fda-13792882ac38/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727c5770-a160-4b3a-9fda-13792882ac38/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727c5770-a160-4b3a-9fda-13792882ac38/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727c5770-a160-4b3a-9fda-13792882ac38/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product03.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727c5770-a160-4b3a-9fda-13792882ac38/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727c5770-a160-4b3a-9fda-13792882ac38/bin/uautomizer-verify-LYvppIcaGC --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 db8fa4142710656a2cf6992c61a703485566be309c58b9bda433457e238bbe1a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:17:01,972 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:17:02,075 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727c5770-a160-4b3a-9fda-13792882ac38/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-24 01:17:02,083 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:17:02,087 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:17:02,114 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:17:02,114 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:17:02,115 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:17:02,115 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:17:02,115 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:17:02,116 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:17:02,116 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:17:02,116 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:17:02,116 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-24 01:17:02,116 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-24 01:17:02,116 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-24 01:17:02,116 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-24 01:17:02,117 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-24 01:17:02,117 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-24 01:17:02,117 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:17:02,117 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-24 01:17:02,117 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:17:02,117 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:17:02,117 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:17:02,118 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:17:02,118 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-24 01:17:02,118 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-24 01:17:02,118 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-24 01:17:02,118 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 01:17:02,118 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:17:02,118 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:17:02,119 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-24 01:17:02,119 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:17:02,119 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:17:02,119 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:17:02,119 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:17:02,119 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:17:02,120 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-24 01:17:02,120 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-24 01:17:02,120 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_727c5770-a160-4b3a-9fda-13792882ac38/bin/uautomizer-verify-LYvppIcaGC 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 -> db8fa4142710656a2cf6992c61a703485566be309c58b9bda433457e238bbe1a [2024-11-24 01:17:02,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:17:02,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:17:02,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:17:02,415 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:17:02,415 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:17:02,416 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727c5770-a160-4b3a-9fda-13792882ac38/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/product-lines/minepump_spec5_product03.cil.c [2024-11-24 01:17:05,441 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727c5770-a160-4b3a-9fda-13792882ac38/bin/uautomizer-verify-LYvppIcaGC/data/4e086bc88/2f118bcbc587425a8c2c1c88192631bf/FLAGaf48fb471 [2024-11-24 01:17:05,772 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:17:05,776 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727c5770-a160-4b3a-9fda-13792882ac38/sv-benchmarks/c/product-lines/minepump_spec5_product03.cil.c [2024-11-24 01:17:05,795 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727c5770-a160-4b3a-9fda-13792882ac38/bin/uautomizer-verify-LYvppIcaGC/data/4e086bc88/2f118bcbc587425a8c2c1c88192631bf/FLAGaf48fb471 [2024-11-24 01:17:06,014 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727c5770-a160-4b3a-9fda-13792882ac38/bin/uautomizer-verify-LYvppIcaGC/data/4e086bc88/2f118bcbc587425a8c2c1c88192631bf [2024-11-24 01:17:06,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:17:06,020 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:17:06,022 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:17:06,023 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:17:06,027 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:17:06,028 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:17:06" (1/1) ... [2024-11-24 01:17:06,031 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46dab861 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:06, skipping insertion in model container [2024-11-24 01:17:06,031 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:17:06" (1/1) ... [2024-11-24 01:17:06,078 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:17:06,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:17:06,393 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:17:06,403 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2024-11-24 01:17:06,404 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [58] [2024-11-24 01:17:06,405 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [424] [2024-11-24 01:17:06,405 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [530] [2024-11-24 01:17:06,405 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [565] [2024-11-24 01:17:06,405 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [699] [2024-11-24 01:17:06,405 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [766] [2024-11-24 01:17:06,405 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [816] [2024-11-24 01:17:06,468 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:17:06,488 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:17:06,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:06 WrapperNode [2024-11-24 01:17:06,489 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:17:06,490 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:17:06,491 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:17:06,492 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:17:06,499 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:06" (1/1) ... [2024-11-24 01:17:06,511 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:06" (1/1) ... [2024-11-24 01:17:06,535 INFO L138 Inliner]: procedures = 52, calls = 94, calls flagged for inlining = 47, calls inlined = 44, statements flattened = 273 [2024-11-24 01:17:06,536 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:17:06,536 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:17:06,537 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:17:06,537 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:17:06,549 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:06" (1/1) ... [2024-11-24 01:17:06,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:06" (1/1) ... [2024-11-24 01:17:06,551 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:06" (1/1) ... [2024-11-24 01:17:06,564 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 01:17:06,564 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:06" (1/1) ... [2024-11-24 01:17:06,565 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:06" (1/1) ... [2024-11-24 01:17:06,569 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:06" (1/1) ... [2024-11-24 01:17:06,570 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:06" (1/1) ... [2024-11-24 01:17:06,574 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:06" (1/1) ... [2024-11-24 01:17:06,575 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:06" (1/1) ... [2024-11-24 01:17:06,576 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:06" (1/1) ... [2024-11-24 01:17:06,578 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:17:06,579 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:17:06,579 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:17:06,579 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:17:06,581 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:06" (1/1) ... [2024-11-24 01:17:06,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 01:17:06,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727c5770-a160-4b3a-9fda-13792882ac38/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:17:06,630 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727c5770-a160-4b3a-9fda-13792882ac38/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 01:17:06,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727c5770-a160-4b3a-9fda-13792882ac38/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-24 01:17:06,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:17:06,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:17:06,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:17:06,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:17:06,736 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:17:06,738 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:17:07,114 INFO L? ?]: Removed 49 outVars from TransFormulas that were not future-live. [2024-11-24 01:17:07,114 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:17:07,127 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:17:07,127 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-24 01:17:07,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:17:07 BoogieIcfgContainer [2024-11-24 01:17:07,127 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:17:07,128 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-24 01:17:07,128 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-24 01:17:07,135 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-24 01:17:07,135 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 01:17:07,135 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 24.11 01:17:06" (1/3) ... [2024-11-24 01:17:07,137 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f383ae0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 01:17:07, skipping insertion in model container [2024-11-24 01:17:07,137 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 01:17:07,137 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:17:06" (2/3) ... [2024-11-24 01:17:07,137 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f383ae0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 01:17:07, skipping insertion in model container [2024-11-24 01:17:07,137 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 01:17:07,137 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:17:07" (3/3) ... [2024-11-24 01:17:07,139 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product03.cil.c [2024-11-24 01:17:07,192 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-24 01:17:07,192 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-24 01:17:07,192 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-24 01:17:07,192 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-24 01:17:07,192 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-24 01:17:07,193 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-24 01:17:07,193 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-24 01:17:07,193 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-24 01:17:07,198 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 90 states, 89 states have (on average 1.3595505617977528) internal successors, (121), 89 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:17:07,217 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2024-11-24 01:17:07,218 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 01:17:07,218 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 01:17:07,225 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:17:07,225 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:17:07,225 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-24 01:17:07,225 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 90 states, 89 states have (on average 1.3595505617977528) internal successors, (121), 89 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:17:07,230 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2024-11-24 01:17:07,230 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 01:17:07,230 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 01:17:07,231 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:17:07,231 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:17:07,236 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;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1;" "main_#t~ret27#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1;" "assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-24 01:17:07,236 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet38#1;test_~tmp~4#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet39#1;test_~tmp___0~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet40#1;test_~tmp___2~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret42#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1;" "__utac_acc__Specification5_spec__2_#t~ret42#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret42#1;havoc __utac_acc__Specification5_spec__2_#t~ret42#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret42#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret43#1, __utac_acc__Specification5_spec__3_#t~ret44#1, __utac_acc__Specification5_spec__3_~tmp~5#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~5#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1;" "__utac_acc__Specification5_spec__3_#t~ret43#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~5#1 := __utac_acc__Specification5_spec__3_#t~ret43#1;havoc __utac_acc__Specification5_spec__3_#t~ret43#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~5#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret43#1, __utac_acc__Specification5_spec__3_#t~ret44#1, __utac_acc__Specification5_spec__3_~tmp~5#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2024-11-24 01:17:07,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:17:07,242 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-11-24 01:17:07,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:17:07,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870040951] [2024-11-24 01:17:07,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:17:07,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:17:07,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:17:07,335 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:17:07,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:17:07,367 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:17:07,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:17:07,370 INFO L85 PathProgramCache]: Analyzing trace with hash -790079326, now seen corresponding path program 1 times [2024-11-24 01:17:07,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:17:07,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87881359] [2024-11-24 01:17:07,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:17:07,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:17:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:17:07,381 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:17:07,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:17:07,390 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:17:07,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:17:07,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1526020903, now seen corresponding path program 1 times [2024-11-24 01:17:07,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:17:07,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053961414] [2024-11-24 01:17:07,396 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:17:07,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:17:07,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:17:07,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 01:17:07,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053961414] [2024-11-24 01:17:07,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053961414] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:17:07,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323429777] [2024-11-24 01:17:07,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:17:07,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:17:07,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727c5770-a160-4b3a-9fda-13792882ac38/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:17:07,691 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727c5770-a160-4b3a-9fda-13792882ac38/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:17:07,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727c5770-a160-4b3a-9fda-13792882ac38/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:17:07,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:17:07,812 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 01:17:07,816 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:17:07,907 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:17:07,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1323429777] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:17:07,987 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:17:07,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6 [2024-11-24 01:17:07,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504811785] [2024-11-24 01:17:07,989 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:17:08,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 01:17:08,160 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:17:08,160 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:17:08,163 INFO L87 Difference]: Start difference. First operand has 90 states, 89 states have (on average 1.3595505617977528) internal successors, (121), 89 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:17:08,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:17:08,330 INFO L93 Difference]: Finished difference Result 231 states and 294 transitions. [2024-11-24 01:17:08,334 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 231 states and 294 transitions. [2024-11-24 01:17:08,342 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 143 [2024-11-24 01:17:08,356 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 231 states to 201 states and 264 transitions. [2024-11-24 01:17:08,358 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 201 [2024-11-24 01:17:08,360 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 201 [2024-11-24 01:17:08,360 INFO L73 IsDeterministic]: Start isDeterministic. Operand 201 states and 264 transitions. [2024-11-24 01:17:08,362 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 01:17:08,362 INFO L218 hiAutomatonCegarLoop]: Abstraction has 201 states and 264 transitions. [2024-11-24 01:17:08,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states and 264 transitions. [2024-11-24 01:17:08,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 133. [2024-11-24 01:17:08,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 133 states have (on average 1.3157894736842106) internal successors, (175), 132 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:17:08,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 175 transitions. [2024-11-24 01:17:08,406 INFO L240 hiAutomatonCegarLoop]: Abstraction has 133 states and 175 transitions. [2024-11-24 01:17:08,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:17:08,412 INFO L425 stractBuchiCegarLoop]: Abstraction has 133 states and 175 transitions. [2024-11-24 01:17:08,412 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-24 01:17:08,413 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 133 states and 175 transitions. [2024-11-24 01:17:08,417 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 94 [2024-11-24 01:17:08,421 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 01:17:08,421 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 01:17:08,421 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:17:08,422 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:17:08,422 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;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1;" "main_#t~ret27#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1;" "assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-24 01:17:08,422 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet38#1;test_~tmp~4#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet39#1;test_~tmp___0~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet40#1;test_~tmp___2~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret42#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1;" "__utac_acc__Specification5_spec__2_#t~ret42#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret42#1;havoc __utac_acc__Specification5_spec__2_#t~ret42#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret42#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;" "assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret43#1, __utac_acc__Specification5_spec__3_#t~ret44#1, __utac_acc__Specification5_spec__3_~tmp~5#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~5#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1;" "__utac_acc__Specification5_spec__3_#t~ret43#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~5#1 := __utac_acc__Specification5_spec__3_#t~ret43#1;havoc __utac_acc__Specification5_spec__3_#t~ret43#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~5#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret43#1, __utac_acc__Specification5_spec__3_#t~ret44#1, __utac_acc__Specification5_spec__3_~tmp~5#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2024-11-24 01:17:08,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:17:08,423 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-11-24 01:17:08,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:17:08,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334432512] [2024-11-24 01:17:08,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:17:08,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:17:08,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:17:08,433 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:17:08,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:17:08,444 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:17:08,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:17:08,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1905186018, now seen corresponding path program 1 times [2024-11-24 01:17:08,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:17:08,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486688750] [2024-11-24 01:17:08,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:17:08,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:17:08,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:17:08,452 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:17:08,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:17:08,461 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:17:08,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:17:08,462 INFO L85 PathProgramCache]: Analyzing trace with hash 565833611, now seen corresponding path program 1 times [2024-11-24 01:17:08,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:17:08,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688305812] [2024-11-24 01:17:08,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:17:08,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:17:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:17:08,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 01:17:08,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688305812] [2024-11-24 01:17:08,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688305812] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:17:08,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [708885044] [2024-11-24 01:17:08,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:17:08,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:17:08,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727c5770-a160-4b3a-9fda-13792882ac38/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:17:08,666 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727c5770-a160-4b3a-9fda-13792882ac38/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:17:08,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727c5770-a160-4b3a-9fda-13792882ac38/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 01:17:08,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:17:08,736 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 01:17:08,738 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:17:08,866 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:17:08,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [708885044] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:17:08,960 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:17:08,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-24 01:17:08,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778834741] [2024-11-24 01:17:08,960 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:17:09,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 01:17:09,044 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 01:17:09,044 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:17:09,045 INFO L87 Difference]: Start difference. First operand 133 states and 175 transitions. cyclomatic complexity: 45 Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 7 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:17:09,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:17:09,187 INFO L93 Difference]: Finished difference Result 256 states and 332 transitions. [2024-11-24 01:17:09,187 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 256 states and 332 transitions. [2024-11-24 01:17:09,189 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 186 [2024-11-24 01:17:09,195 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 256 states to 256 states and 332 transitions. [2024-11-24 01:17:09,196 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 256 [2024-11-24 01:17:09,196 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 256 [2024-11-24 01:17:09,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 256 states and 332 transitions. [2024-11-24 01:17:09,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 01:17:09,200 INFO L218 hiAutomatonCegarLoop]: Abstraction has 256 states and 332 transitions. [2024-11-24 01:17:09,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states and 332 transitions. [2024-11-24 01:17:09,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2024-11-24 01:17:09,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 256 states have (on average 1.296875) internal successors, (332), 255 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:17:09,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 332 transitions. [2024-11-24 01:17:09,222 INFO L240 hiAutomatonCegarLoop]: Abstraction has 256 states and 332 transitions. [2024-11-24 01:17:09,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:17:09,225 INFO L425 stractBuchiCegarLoop]: Abstraction has 256 states and 332 transitions. [2024-11-24 01:17:09,225 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-24 01:17:09,226 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 256 states and 332 transitions. [2024-11-24 01:17:09,229 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 186 [2024-11-24 01:17:09,229 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 01:17:09,229 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 01:17:09,229 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:17:09,229 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:17:09,230 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;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1;" "main_#t~ret27#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1;" "assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-24 01:17:09,230 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet38#1;test_~tmp~4#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet39#1;test_~tmp___0~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet40#1;test_~tmp___2~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret42#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1;" "__utac_acc__Specification5_spec__2_#t~ret42#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret42#1;havoc __utac_acc__Specification5_spec__2_#t~ret42#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret42#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;" "assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret43#1, __utac_acc__Specification5_spec__3_#t~ret44#1, __utac_acc__Specification5_spec__3_~tmp~5#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~5#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1;" "__utac_acc__Specification5_spec__3_#t~ret43#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~5#1 := __utac_acc__Specification5_spec__3_#t~ret43#1;havoc __utac_acc__Specification5_spec__3_#t~ret43#1;" "assume 2 != __utac_acc__Specification5_spec__3_~tmp~5#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1;" "__utac_acc__Specification5_spec__3_#t~ret44#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~1#1 := __utac_acc__Specification5_spec__3_#t~ret44#1;havoc __utac_acc__Specification5_spec__3_#t~ret44#1;" "assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~1#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret43#1, __utac_acc__Specification5_spec__3_#t~ret44#1, __utac_acc__Specification5_spec__3_~tmp~5#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2024-11-24 01:17:09,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:17:09,230 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2024-11-24 01:17:09,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:17:09,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035941962] [2024-11-24 01:17:09,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:17:09,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:17:09,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:17:09,243 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:17:09,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:17:09,258 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:17:09,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:17:09,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1206689341, now seen corresponding path program 1 times [2024-11-24 01:17:09,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:17:09,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091567706] [2024-11-24 01:17:09,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:17:09,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:17:09,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:17:09,273 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:17:09,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:17:09,280 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:17:09,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:17:09,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1715752282, now seen corresponding path program 1 times [2024-11-24 01:17:09,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:17:09,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503298734] [2024-11-24 01:17:09,285 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:17:09,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:17:09,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:17:09,298 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:17:09,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:17:09,324 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:17:10,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:17:10,461 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:17:10,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:17:10,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 24.11 01:17:10 BoogieIcfgContainer [2024-11-24 01:17:10,541 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-24 01:17:10,542 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:17:10,542 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:17:10,542 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:17:10,543 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:17:07" (3/4) ... [2024-11-24 01:17:10,545 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-24 01:17:10,592 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727c5770-a160-4b3a-9fda-13792882ac38/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 01:17:10,592 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:17:10,593 INFO L158 Benchmark]: Toolchain (without parser) took 4573.33ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 52.3MB in the end (delta: 39.9MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2024-11-24 01:17:10,594 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:17:10,594 INFO L158 Benchmark]: CACSL2BoogieTranslator took 466.96ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 74.2MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:17:10,594 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.10ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 72.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:17:10,595 INFO L158 Benchmark]: Boogie Preprocessor took 41.96ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 70.2MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:17:10,595 INFO L158 Benchmark]: RCFGBuilder took 548.34ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 53.8MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:17:10,595 INFO L158 Benchmark]: BuchiAutomizer took 3412.36ms. Allocated memory is still 117.4MB. Free memory was 53.8MB in the beginning and 55.5MB in the end (delta: -1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:17:10,596 INFO L158 Benchmark]: Witness Printer took 50.50ms. Allocated memory is still 117.4MB. Free memory was 55.5MB in the beginning and 52.3MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:17:10,598 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 466.96ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 74.2MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.10ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 72.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.96ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 70.2MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 548.34ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 53.8MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 3412.36ms. Allocated memory is still 117.4MB. Free memory was 53.8MB in the beginning and 55.5MB in the end (delta: -1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 50.50ms. Allocated memory is still 117.4MB. Free memory was 55.5MB in the beginning and 52.3MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [58] - GenericResultAtLocation [Line: 424]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [424] - GenericResultAtLocation [Line: 530]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [530] - GenericResultAtLocation [Line: 565]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [565] - GenericResultAtLocation [Line: 699]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [699] - GenericResultAtLocation [Line: 766]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [766] - GenericResultAtLocation [Line: 816]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [816] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 8 locations. The remainder module has 256 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 331 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 331 mSDsluCounter, 966 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 779 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 111 IncrementalHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 187 mSDtfsCounter, 111 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 712]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L228] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L425] int cleanupTimeShifts = 4; [L573] int pumpRunning = 0; [L574] int systemActive = 1; [L768] int switchedOnBeforeTS ; [L817] int waterLevel = 1; [L818] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L508] int retValue_acc ; [L509] int tmp ; [L513] FCALL select_helpers() [L514] FCALL select_features() [L515] CALL, EXPR valid_product() [L557] int retValue_acc ; [L560] retValue_acc = 1 [L561] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L515] RET, EXPR valid_product() [L515] tmp = valid_product() [L517] COND TRUE \read(tmp) [L519] FCALL setup() [L520] CALL runTest() [L498] CALL __utac_acc__Specification5_spec__1() [L773] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L498] RET __utac_acc__Specification5_spec__1() [L499] CALL test() [L701] int splverifierCounter ; [L702] int tmp ; [L703] int tmp___0 ; [L704] int tmp___1 ; [L705] int tmp___2 ; [L708] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L712] COND TRUE splverifierCounter < 4 [L718] tmp = __VERIFIER_nondet_int() [L720] COND FALSE !(\read(tmp)) [L728] tmp___0 = __VERIFIER_nondet_int() [L730] COND FALSE !(\read(tmp___0)) [L738] tmp___2 = __VERIFIER_nondet_int() [L740] COND TRUE \read(tmp___2) [L755] CALL timeShift() [L583] CALL __utac_acc__Specification5_spec__2() [L782] CALL, EXPR isPumpRunning() [L640] int retValue_acc ; [L643] retValue_acc = pumpRunning [L644] return (retValue_acc); [L782] RET, EXPR isPumpRunning() [L782] switchedOnBeforeTS = isPumpRunning() [L583] RET __utac_acc__Specification5_spec__2() [L585] COND FALSE !(\read(pumpRunning)) [L592] COND TRUE \read(systemActive) [L594] FCALL processEnvironment() [L600] CALL __utac_acc__Specification5_spec__3() [L788] int tmp ; [L789] int tmp___0 ; [L793] CALL, EXPR getWaterLevel() [L888] int retValue_acc ; [L891] retValue_acc = waterLevel [L892] return (retValue_acc); [L793] RET, EXPR getWaterLevel() [L793] tmp = getWaterLevel() [L795] COND TRUE tmp != 2 [L797] CALL, EXPR isPumpRunning() [L640] int retValue_acc ; [L643] retValue_acc = pumpRunning [L644] return (retValue_acc); [L797] RET, EXPR isPumpRunning() [L797] tmp___0 = isPumpRunning() [L799] COND FALSE !(\read(tmp___0)) [L600] RET __utac_acc__Specification5_spec__3() [L755] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 712]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L228] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L425] int cleanupTimeShifts = 4; [L573] int pumpRunning = 0; [L574] int systemActive = 1; [L768] int switchedOnBeforeTS ; [L817] int waterLevel = 1; [L818] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L508] int retValue_acc ; [L509] int tmp ; [L513] FCALL select_helpers() [L514] FCALL select_features() [L515] CALL, EXPR valid_product() [L557] int retValue_acc ; [L560] retValue_acc = 1 [L561] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L515] RET, EXPR valid_product() [L515] tmp = valid_product() [L517] COND TRUE \read(tmp) [L519] FCALL setup() [L520] CALL runTest() [L498] CALL __utac_acc__Specification5_spec__1() [L773] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L498] RET __utac_acc__Specification5_spec__1() [L499] CALL test() [L701] int splverifierCounter ; [L702] int tmp ; [L703] int tmp___0 ; [L704] int tmp___1 ; [L705] int tmp___2 ; [L708] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L712] COND TRUE splverifierCounter < 4 [L718] tmp = __VERIFIER_nondet_int() [L720] COND FALSE !(\read(tmp)) [L728] tmp___0 = __VERIFIER_nondet_int() [L730] COND FALSE !(\read(tmp___0)) [L738] tmp___2 = __VERIFIER_nondet_int() [L740] COND TRUE \read(tmp___2) [L755] CALL timeShift() [L583] CALL __utac_acc__Specification5_spec__2() [L782] CALL, EXPR isPumpRunning() [L640] int retValue_acc ; [L643] retValue_acc = pumpRunning [L644] return (retValue_acc); [L782] RET, EXPR isPumpRunning() [L782] switchedOnBeforeTS = isPumpRunning() [L583] RET __utac_acc__Specification5_spec__2() [L585] COND FALSE !(\read(pumpRunning)) [L592] COND TRUE \read(systemActive) [L594] FCALL processEnvironment() [L600] CALL __utac_acc__Specification5_spec__3() [L788] int tmp ; [L789] int tmp___0 ; [L793] CALL, EXPR getWaterLevel() [L888] int retValue_acc ; [L891] retValue_acc = waterLevel [L892] return (retValue_acc); [L793] RET, EXPR getWaterLevel() [L793] tmp = getWaterLevel() [L795] COND TRUE tmp != 2 [L797] CALL, EXPR isPumpRunning() [L640] int retValue_acc ; [L643] retValue_acc = pumpRunning [L644] return (retValue_acc); [L797] RET, EXPR isPumpRunning() [L797] tmp___0 = isPumpRunning() [L799] COND FALSE !(\read(tmp___0)) [L600] RET __utac_acc__Specification5_spec__3() [L755] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-24 01:17:10,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727c5770-a160-4b3a-9fda-13792882ac38/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-24 01:17:10,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727c5770-a160-4b3a-9fda-13792882ac38/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 01:17:11,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727c5770-a160-4b3a-9fda-13792882ac38/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)