./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product44.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_115dab4d-54c1-4c26-aeb5-74d496d0f2e7/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115dab4d-54c1-4c26-aeb5-74d496d0f2e7/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_115dab4d-54c1-4c26-aeb5-74d496d0f2e7/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115dab4d-54c1-4c26-aeb5-74d496d0f2e7/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product44.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115dab4d-54c1-4c26-aeb5-74d496d0f2e7/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_115dab4d-54c1-4c26-aeb5-74d496d0f2e7/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 da786641c6f5791cd76909be3af2b92112e50156e91d6775689240586eed4e85 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 06:20:29,243 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:20:29,293 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115dab4d-54c1-4c26-aeb5-74d496d0f2e7/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-12-02 06:20:29,297 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:20:29,297 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:20:29,315 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:20:29,316 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:20:29,316 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:20:29,317 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:20:29,317 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:20:29,317 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:20:29,317 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:20:29,317 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:20:29,317 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-12-02 06:20:29,317 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-12-02 06:20:29,318 INFO L153 SettingsManager]: * Use old map elimination=false [2024-12-02 06:20:29,318 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-12-02 06:20:29,318 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-12-02 06:20:29,318 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-12-02 06:20:29,318 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:20:29,318 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-12-02 06:20:29,318 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 06:20:29,318 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 06:20:29,318 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 06:20:29,318 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:20:29,319 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-12-02 06:20:29,319 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-12-02 06:20:29,319 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-12-02 06:20:29,319 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 06:20:29,319 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 06:20:29,319 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:20:29,319 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-12-02 06:20:29,319 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:20:29,319 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:20:29,319 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:20:29,319 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:20:29,320 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:20:29,320 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-12-02 06:20:29,320 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-12-02 06:20:29,320 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_115dab4d-54c1-4c26-aeb5-74d496d0f2e7/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 -> da786641c6f5791cd76909be3af2b92112e50156e91d6775689240586eed4e85 [2024-12-02 06:20:29,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:20:29,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:20:29,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:20:29,559 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:20:29,559 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:20:29,561 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115dab4d-54c1-4c26-aeb5-74d496d0f2e7/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/minepump_spec4_product44.cil.c [2024-12-02 06:20:32,337 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115dab4d-54c1-4c26-aeb5-74d496d0f2e7/bin/uautomizer-verify-84ZbGMXZE1/data/22e10ebe4/b5d6fd3be2774a418b150584ee20779a/FLAG8c9284ba8 [2024-12-02 06:20:32,563 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:20:32,564 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115dab4d-54c1-4c26-aeb5-74d496d0f2e7/sv-benchmarks/c/product-lines/minepump_spec4_product44.cil.c [2024-12-02 06:20:32,572 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115dab4d-54c1-4c26-aeb5-74d496d0f2e7/bin/uautomizer-verify-84ZbGMXZE1/data/22e10ebe4/b5d6fd3be2774a418b150584ee20779a/FLAG8c9284ba8 [2024-12-02 06:20:32,903 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115dab4d-54c1-4c26-aeb5-74d496d0f2e7/bin/uautomizer-verify-84ZbGMXZE1/data/22e10ebe4/b5d6fd3be2774a418b150584ee20779a [2024-12-02 06:20:32,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:20:32,907 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:20:32,908 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:20:32,908 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:20:32,912 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:20:32,912 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:20:32" (1/1) ... [2024-12-02 06:20:32,913 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11e29b75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:20:32, skipping insertion in model container [2024-12-02 06:20:32,913 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:20:32" (1/1) ... [2024-12-02 06:20:32,942 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:20:33,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:20:33,225 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:20:33,235 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [49] [2024-12-02 06:20:33,237 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [78] [2024-12-02 06:20:33,237 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [444] [2024-12-02 06:20:33,237 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [482] [2024-12-02 06:20:33,237 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [557] [2024-12-02 06:20:33,237 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [757] [2024-12-02 06:20:33,237 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [766] [2024-12-02 06:20:33,237 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [862] [2024-12-02 06:20:33,295 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:20:33,316 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:20:33,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:20:33 WrapperNode [2024-12-02 06:20:33,317 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:20:33,318 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:20:33,318 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:20:33,319 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:20:33,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:20:33" (1/1) ... [2024-12-02 06:20:33,339 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:20:33" (1/1) ... [2024-12-02 06:20:33,368 INFO L138 Inliner]: procedures = 55, calls = 99, calls flagged for inlining = 52, calls inlined = 62, statements flattened = 410 [2024-12-02 06:20:33,368 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:20:33,369 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:20:33,369 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:20:33,369 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:20:33,380 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:20:33" (1/1) ... [2024-12-02 06:20:33,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:20:33" (1/1) ... [2024-12-02 06:20:33,383 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:20:33" (1/1) ... [2024-12-02 06:20:33,398 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 06:20:33,398 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:20:33" (1/1) ... [2024-12-02 06:20:33,398 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:20:33" (1/1) ... [2024-12-02 06:20:33,404 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:20:33" (1/1) ... [2024-12-02 06:20:33,406 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:20:33" (1/1) ... [2024-12-02 06:20:33,412 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:20:33" (1/1) ... [2024-12-02 06:20:33,413 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:20:33" (1/1) ... [2024-12-02 06:20:33,415 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:20:33" (1/1) ... [2024-12-02 06:20:33,417 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:20:33,418 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:20:33,418 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:20:33,418 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:20:33,419 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:20:33" (1/1) ... [2024-12-02 06:20:33,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 06:20:33,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115dab4d-54c1-4c26-aeb5-74d496d0f2e7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:20:33,454 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115dab4d-54c1-4c26-aeb5-74d496d0f2e7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 06:20:33,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115dab4d-54c1-4c26-aeb5-74d496d0f2e7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-12-02 06:20:33,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:20:33,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 06:20:33,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:20:33,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:20:33,552 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:20:33,554 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:20:33,879 INFO L? ?]: Removed 91 outVars from TransFormulas that were not future-live. [2024-12-02 06:20:33,879 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:20:33,889 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:20:33,890 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-02 06:20:33,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:20:33 BoogieIcfgContainer [2024-12-02 06:20:33,890 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:20:33,891 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-12-02 06:20:33,891 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-12-02 06:20:33,896 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-12-02 06:20:33,896 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 06:20:33,897 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 06:20:32" (1/3) ... [2024-12-02 06:20:33,897 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@517d1fd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 06:20:33, skipping insertion in model container [2024-12-02 06:20:33,898 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 06:20:33,898 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:20:33" (2/3) ... [2024-12-02 06:20:33,898 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@517d1fd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 06:20:33, skipping insertion in model container [2024-12-02 06:20:33,898 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 06:20:33,898 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:20:33" (3/3) ... [2024-12-02 06:20:33,899 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product44.cil.c [2024-12-02 06:20:33,943 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-12-02 06:20:33,943 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-12-02 06:20:33,943 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-12-02 06:20:33,943 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-12-02 06:20:33,943 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-12-02 06:20:33,943 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-12-02 06:20:33,943 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-12-02 06:20:33,943 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-12-02 06:20:33,949 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 123 states, 122 states have (on average 1.360655737704918) internal successors, (166), 122 states have internal predecessors, (166), 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 06:20:33,967 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 79 [2024-12-02 06:20:33,967 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 06:20:33,968 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 06:20:33,972 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:20:33,972 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 06:20:33,972 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-12-02 06:20:33,973 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 123 states, 122 states have (on average 1.360655737704918) internal successors, (166), 122 states have internal predecessors, (166), 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 06:20:33,978 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 79 [2024-12-02 06:20:33,978 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 06:20:33,978 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 06:20:33,979 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:20:33,979 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 06:20:33,983 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;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret46#1, main_~retValue_acc~8#1, main_~tmp~8#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1;" "main_#t~ret46#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret46#1;havoc main_#t~ret46#1;" "assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet30#1, test_#t~nondet31#1, test_#t~nondet32#1, test_#t~nondet33#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-12-02 06:20:33,983 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet30#1;test_~tmp~4#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet31#1;test_~tmp___0~1#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet32#1;test_~tmp___2~0#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet33#1;test_~tmp___1~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1;" "assume !(0 != test_~tmp___1~0#1);" "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~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1;" "__utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#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 06:20:33,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:20:33,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-12-02 06:20:33,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 06:20:33,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415557573] [2024-12-02 06:20:33,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:20:33,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:20:34,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:20:34,095 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 06:20:34,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:20:34,125 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 06:20:34,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:20:34,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1858893789, now seen corresponding path program 1 times [2024-12-02 06:20:34,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 06:20:34,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995263797] [2024-12-02 06:20:34,128 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:20:34,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:20:34,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:20:34,137 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 06:20:34,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:20:34,146 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 06:20:34,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:20:34,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1080654431, now seen corresponding path program 1 times [2024-12-02 06:20:34,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 06:20:34,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371608799] [2024-12-02 06:20:34,147 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:20:34,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:20:34,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:20:34,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 06:20:34,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371608799] [2024-12-02 06:20:34,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371608799] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:20:34,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1039985862] [2024-12-02 06:20:34,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:20:34,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:20:34,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115dab4d-54c1-4c26-aeb5-74d496d0f2e7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:20:34,335 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115dab4d-54c1-4c26-aeb5-74d496d0f2e7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:20:34,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115dab4d-54c1-4c26-aeb5-74d496d0f2e7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 06:20:34,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:20:34,405 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 06:20:34,407 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:20:34,462 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:20:34,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1039985862] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 06:20:34,509 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 06:20:34,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6 [2024-12-02 06:20:34,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955872842] [2024-12-02 06:20:34,510 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 06:20:34,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 06:20:34,605 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 06:20:34,606 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:20:34,608 INFO L87 Difference]: Start difference. First operand has 123 states, 122 states have (on average 1.360655737704918) internal successors, (166), 122 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 6 states have internal predecessors, (41), 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 06:20:34,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:20:34,731 INFO L93 Difference]: Finished difference Result 288 states and 372 transitions. [2024-12-02 06:20:34,732 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 288 states and 372 transitions. [2024-12-02 06:20:34,738 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 185 [2024-12-02 06:20:34,746 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 288 states to 258 states and 342 transitions. [2024-12-02 06:20:34,747 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 258 [2024-12-02 06:20:34,748 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 258 [2024-12-02 06:20:34,749 INFO L73 IsDeterministic]: Start isDeterministic. Operand 258 states and 342 transitions. [2024-12-02 06:20:34,750 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 06:20:34,750 INFO L218 hiAutomatonCegarLoop]: Abstraction has 258 states and 342 transitions. [2024-12-02 06:20:34,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states and 342 transitions. [2024-12-02 06:20:34,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 157. [2024-12-02 06:20:34,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 157 states have (on average 1.3248407643312101) internal successors, (208), 156 states have internal predecessors, (208), 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 06:20:34,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 208 transitions. [2024-12-02 06:20:34,785 INFO L240 hiAutomatonCegarLoop]: Abstraction has 157 states and 208 transitions. [2024-12-02 06:20:34,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:20:34,789 INFO L425 stractBuchiCegarLoop]: Abstraction has 157 states and 208 transitions. [2024-12-02 06:20:34,790 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-12-02 06:20:34,790 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 157 states and 208 transitions. [2024-12-02 06:20:34,792 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 111 [2024-12-02 06:20:34,792 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 06:20:34,792 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 06:20:34,792 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:20:34,793 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] [2024-12-02 06:20:34,793 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;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret46#1, main_~retValue_acc~8#1, main_~tmp~8#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1;" "main_#t~ret46#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret46#1;havoc main_#t~ret46#1;" "assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet30#1, test_#t~nondet31#1, test_#t~nondet32#1, test_#t~nondet33#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-12-02 06:20:34,793 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet30#1;test_~tmp~4#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet31#1;test_~tmp___0~1#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet32#1;test_~tmp___2~0#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet33#1;test_~tmp___1~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#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~ret34#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1;" "assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret34#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1;" "__utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#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 06:20:34,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:20:34,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-12-02 06:20:34,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 06:20:34,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253752786] [2024-12-02 06:20:34,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:20:34,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:20:34,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:20:34,804 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 06:20:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:20:34,814 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 06:20:34,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:20:34,814 INFO L85 PathProgramCache]: Analyzing trace with hash 533504665, now seen corresponding path program 1 times [2024-12-02 06:20:34,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 06:20:34,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18157383] [2024-12-02 06:20:34,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:20:34,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:20:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:20:34,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 06:20:34,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18157383] [2024-12-02 06:20:34,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18157383] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:20:34,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [619536912] [2024-12-02 06:20:34,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:20:34,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:20:34,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115dab4d-54c1-4c26-aeb5-74d496d0f2e7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:20:34,841 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115dab4d-54c1-4c26-aeb5-74d496d0f2e7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:20:34,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115dab4d-54c1-4c26-aeb5-74d496d0f2e7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 06:20:34,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:20:34,884 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 06:20:34,885 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:20:34,895 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:20:34,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [619536912] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 06:20:34,903 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 06:20:34,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-12-02 06:20:34,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141438649] [2024-12-02 06:20:34,904 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 06:20:34,904 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-12-02 06:20:34,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 06:20:34,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:20:34,905 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:20:34,905 INFO L87 Difference]: Start difference. First operand 157 states and 208 transitions. cyclomatic complexity: 54 Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 06:20:34,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:20:34,969 INFO L93 Difference]: Finished difference Result 206 states and 261 transitions. [2024-12-02 06:20:34,969 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 206 states and 261 transitions. [2024-12-02 06:20:34,971 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 149 [2024-12-02 06:20:34,972 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 206 states to 206 states and 261 transitions. [2024-12-02 06:20:34,973 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 206 [2024-12-02 06:20:34,973 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 206 [2024-12-02 06:20:34,973 INFO L73 IsDeterministic]: Start isDeterministic. Operand 206 states and 261 transitions. [2024-12-02 06:20:34,974 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 06:20:34,974 INFO L218 hiAutomatonCegarLoop]: Abstraction has 206 states and 261 transitions. [2024-12-02 06:20:34,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states and 261 transitions. [2024-12-02 06:20:34,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2024-12-02 06:20:34,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 206 states have (on average 1.266990291262136) internal successors, (261), 205 states have internal predecessors, (261), 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 06:20:34,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 261 transitions. [2024-12-02 06:20:34,982 INFO L240 hiAutomatonCegarLoop]: Abstraction has 206 states and 261 transitions. [2024-12-02 06:20:34,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:20:34,983 INFO L425 stractBuchiCegarLoop]: Abstraction has 206 states and 261 transitions. [2024-12-02 06:20:34,984 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-12-02 06:20:34,984 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 206 states and 261 transitions. [2024-12-02 06:20:34,985 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 149 [2024-12-02 06:20:34,985 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 06:20:34,985 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 06:20:34,986 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:20:34,986 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] [2024-12-02 06:20:34,986 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;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret46#1, main_~retValue_acc~8#1, main_~tmp~8#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1;" "main_#t~ret46#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret46#1;havoc main_#t~ret46#1;" "assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet30#1, test_#t~nondet31#1, test_#t~nondet32#1, test_#t~nondet33#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-12-02 06:20:34,986 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet30#1;test_~tmp~4#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet31#1;test_~tmp___0~1#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet32#1;test_~tmp___2~0#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet33#1;test_~tmp___1~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#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~ret34#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret45#1, isHighWaterLevel_~retValue_acc~7#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~7#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1;" "isHighWaterLevel_#t~ret45#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret45#1;havoc isHighWaterLevel_#t~ret45#1;" "assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~2#1 := 0;" "isHighWaterLevel_~retValue_acc~7#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1;" "processEnvironment_#t~ret34#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret45#1, isHighWaterLevel_~retValue_acc~7#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~5#1 := processEnvironment_#t~ret34#1;havoc processEnvironment_#t~ret34#1;" "assume !(0 != processEnvironment_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret34#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1;" "__utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#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 06:20:34,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:20:34,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-12-02 06:20:34,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 06:20:34,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814863039] [2024-12-02 06:20:34,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:20:34,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:20:34,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:20:34,994 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 06:20:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:20:35,001 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 06:20:35,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:20:35,002 INFO L85 PathProgramCache]: Analyzing trace with hash 480173697, now seen corresponding path program 1 times [2024-12-02 06:20:35,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 06:20:35,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43003145] [2024-12-02 06:20:35,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:20:35,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:20:35,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:20:35,009 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 06:20:35,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:20:35,018 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 06:20:35,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:20:35,018 INFO L85 PathProgramCache]: Analyzing trace with hash -770831043, now seen corresponding path program 1 times [2024-12-02 06:20:35,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 06:20:35,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568518933] [2024-12-02 06:20:35,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:20:35,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:20:35,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:20:35,030 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 06:20:35,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:20:35,072 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 06:20:35,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:20:35,891 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 06:20:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:20:35,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 06:20:35 BoogieIcfgContainer [2024-12-02 06:20:35,947 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-12-02 06:20:35,948 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 06:20:35,948 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 06:20:35,948 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 06:20:35,949 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:20:33" (3/4) ... [2024-12-02 06:20:35,950 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-12-02 06:20:35,989 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115dab4d-54c1-4c26-aeb5-74d496d0f2e7/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 06:20:35,989 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 06:20:35,990 INFO L158 Benchmark]: Toolchain (without parser) took 3083.31ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 83.8MB in the end (delta: 7.8MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2024-12-02 06:20:35,990 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:20:35,991 INFO L158 Benchmark]: CACSL2BoogieTranslator took 409.88ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 73.4MB in the end (delta: 18.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:20:35,991 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.06ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 70.9MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:20:35,991 INFO L158 Benchmark]: Boogie Preprocessor took 48.67ms. Allocated memory is still 117.4MB. Free memory was 70.9MB in the beginning and 68.6MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:20:35,992 INFO L158 Benchmark]: RCFGBuilder took 472.02ms. Allocated memory is still 117.4MB. Free memory was 68.4MB in the beginning and 48.1MB in the end (delta: 20.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 06:20:35,992 INFO L158 Benchmark]: BuchiAutomizer took 2056.23ms. Allocated memory is still 117.4MB. Free memory was 48.1MB in the beginning and 86.8MB in the end (delta: -38.7MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2024-12-02 06:20:35,992 INFO L158 Benchmark]: Witness Printer took 41.21ms. Allocated memory is still 117.4MB. Free memory was 86.8MB in the beginning and 83.8MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:20:35,995 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 409.88ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 73.4MB in the end (delta: 18.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.06ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 70.9MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.67ms. Allocated memory is still 117.4MB. Free memory was 70.9MB in the beginning and 68.6MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 472.02ms. Allocated memory is still 117.4MB. Free memory was 68.4MB in the beginning and 48.1MB in the end (delta: 20.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 2056.23ms. Allocated memory is still 117.4MB. Free memory was 48.1MB in the beginning and 86.8MB in the end (delta: -38.7MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. * Witness Printer took 41.21ms. Allocated memory is still 117.4MB. Free memory was 86.8MB in the beginning and 83.8MB in the end (delta: 2.9MB). 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,"Specification4_spec.i","") [49] - GenericResultAtLocation [Line: 78]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [78] - GenericResultAtLocation [Line: 444]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [444] - GenericResultAtLocation [Line: 482]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [482] - GenericResultAtLocation [Line: 557]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [557] - GenericResultAtLocation [Line: 757]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [757] - GenericResultAtLocation [Line: 766]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [766] - GenericResultAtLocation [Line: 862]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [862] * 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 7 locations. The remainder module has 206 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 101 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, 644 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 644 mSDsluCounter, 848 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 560 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 288 mSDtfsCounter, 60 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 501]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L248] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L565] int pumpRunning = 0; [L566] int systemActive = 1; [L767] int cleanupTimeShifts = 4; [L863] int waterLevel = 1; [L864] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L840] int retValue_acc ; [L841] int tmp ; [L845] FCALL select_helpers() [L846] FCALL select_features() [L847] CALL, EXPR valid_product() [L474] int retValue_acc ; [L477] retValue_acc = 1 [L478] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L847] RET, EXPR valid_product() [L847] tmp = valid_product() [L849] COND TRUE \read(tmp) [L851] FCALL setup() [L852] CALL runTest() [L834] CALL test() [L490] int splverifierCounter ; [L491] int tmp ; [L492] int tmp___0 ; [L493] int tmp___1 ; [L494] int tmp___2 ; [L497] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L501] COND TRUE splverifierCounter < 4 [L507] tmp = __VERIFIER_nondet_int() [L509] COND FALSE !(\read(tmp)) [L517] tmp___0 = __VERIFIER_nondet_int() [L519] COND FALSE !(\read(tmp___0)) [L527] tmp___2 = __VERIFIER_nondet_int() [L529] COND FALSE !(\read(tmp___2)) [L535] tmp___1 = __VERIFIER_nondet_int() [L537] COND FALSE !(\read(tmp___1)) [L546] CALL timeShift() [L572] COND FALSE !(\read(pumpRunning)) [L579] COND TRUE \read(systemActive) [L581] CALL processEnvironment() [L601] int tmp ; [L604] COND TRUE ! pumpRunning [L606] CALL, EXPR isHighWaterLevel() [L716] int retValue_acc ; [L717] int tmp ; [L718] int tmp___0 ; [L722] CALL, EXPR isHighWaterSensorDry() [L943] int retValue_acc ; [L946] COND TRUE waterLevel < 2 [L947] retValue_acc = 1 [L948] return (retValue_acc); [L722] RET, EXPR isHighWaterSensorDry() [L722] tmp = isHighWaterSensorDry() [L724] COND TRUE \read(tmp) [L725] tmp___0 = 0 [L729] retValue_acc = tmp___0 [L730] return (retValue_acc); [L606] RET, EXPR isHighWaterLevel() [L606] tmp = isHighWaterLevel() [L608] COND FALSE !(\read(tmp)) [L614] FCALL processEnvironment__wrappee__base() [L581] RET processEnvironment() [L587] CALL __utac_acc__Specification4_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR getWaterLevel() [L934] int retValue_acc ; [L937] retValue_acc = waterLevel [L938] return (retValue_acc); [L59] RET, EXPR getWaterLevel() [L59] tmp = getWaterLevel() [L61] COND FALSE !(tmp == 0) [L587] RET __utac_acc__Specification4_spec__1() [L546] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 501]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L248] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L565] int pumpRunning = 0; [L566] int systemActive = 1; [L767] int cleanupTimeShifts = 4; [L863] int waterLevel = 1; [L864] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L840] int retValue_acc ; [L841] int tmp ; [L845] FCALL select_helpers() [L846] FCALL select_features() [L847] CALL, EXPR valid_product() [L474] int retValue_acc ; [L477] retValue_acc = 1 [L478] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L847] RET, EXPR valid_product() [L847] tmp = valid_product() [L849] COND TRUE \read(tmp) [L851] FCALL setup() [L852] CALL runTest() [L834] CALL test() [L490] int splverifierCounter ; [L491] int tmp ; [L492] int tmp___0 ; [L493] int tmp___1 ; [L494] int tmp___2 ; [L497] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L501] COND TRUE splverifierCounter < 4 [L507] tmp = __VERIFIER_nondet_int() [L509] COND FALSE !(\read(tmp)) [L517] tmp___0 = __VERIFIER_nondet_int() [L519] COND FALSE !(\read(tmp___0)) [L527] tmp___2 = __VERIFIER_nondet_int() [L529] COND FALSE !(\read(tmp___2)) [L535] tmp___1 = __VERIFIER_nondet_int() [L537] COND FALSE !(\read(tmp___1)) [L546] CALL timeShift() [L572] COND FALSE !(\read(pumpRunning)) [L579] COND TRUE \read(systemActive) [L581] CALL processEnvironment() [L601] int tmp ; [L604] COND TRUE ! pumpRunning [L606] CALL, EXPR isHighWaterLevel() [L716] int retValue_acc ; [L717] int tmp ; [L718] int tmp___0 ; [L722] CALL, EXPR isHighWaterSensorDry() [L943] int retValue_acc ; [L946] COND TRUE waterLevel < 2 [L947] retValue_acc = 1 [L948] return (retValue_acc); [L722] RET, EXPR isHighWaterSensorDry() [L722] tmp = isHighWaterSensorDry() [L724] COND TRUE \read(tmp) [L725] tmp___0 = 0 [L729] retValue_acc = tmp___0 [L730] return (retValue_acc); [L606] RET, EXPR isHighWaterLevel() [L606] tmp = isHighWaterLevel() [L608] COND FALSE !(\read(tmp)) [L614] FCALL processEnvironment__wrappee__base() [L581] RET processEnvironment() [L587] CALL __utac_acc__Specification4_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR getWaterLevel() [L934] int retValue_acc ; [L937] retValue_acc = waterLevel [L938] return (retValue_acc); [L59] RET, EXPR getWaterLevel() [L59] tmp = getWaterLevel() [L61] COND FALSE !(tmp == 0) [L587] RET __utac_acc__Specification4_spec__1() [L546] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-12-02 06:20:36,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115dab4d-54c1-4c26-aeb5-74d496d0f2e7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 06:20:36,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115dab4d-54c1-4c26-aeb5-74d496d0f2e7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 06:20:36,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115dab4d-54c1-4c26-aeb5-74d496d0f2e7/bin/uautomizer-verify-84ZbGMXZE1/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)