./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f90ef6a-f1df-4736-87fa-b55642dca8a4/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f90ef6a-f1df-4736-87fa-b55642dca8a4/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f90ef6a-f1df-4736-87fa-b55642dca8a4/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f90ef6a-f1df-4736-87fa-b55642dca8a4/bin/uautomizer-verify-bycVGegfSx/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f90ef6a-f1df-4736-87fa-b55642dca8a4/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f90ef6a-f1df-4736-87fa-b55642dca8a4/bin/uautomizer-verify-bycVGegfSx --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 9e3cb2f788bd8b6aed266239a667d8aec45bc37eed8a60a4f1b6f4064a5672f5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:29:19,569 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:29:19,678 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f90ef6a-f1df-4736-87fa-b55642dca8a4/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-21 22:29:19,685 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:29:19,686 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:29:19,723 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:29:19,723 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:29:19,724 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:29:19,725 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:29:19,730 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:29:19,731 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:29:19,732 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:29:19,733 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:29:19,735 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-21 22:29:19,735 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-21 22:29:19,736 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-21 22:29:19,736 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-21 22:29:19,737 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-21 22:29:19,737 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-21 22:29:19,738 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:29:19,738 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-21 22:29:19,739 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:29:19,739 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:29:19,739 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:29:19,740 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:29:19,740 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-21 22:29:19,741 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-21 22:29:19,741 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-21 22:29:19,741 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:29:19,742 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:29:19,743 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:29:19,743 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-21 22:29:19,744 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:29:19,744 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:29:19,744 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:29:19,744 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:29:19,745 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:29:19,745 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-21 22:29:19,746 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f90ef6a-f1df-4736-87fa-b55642dca8a4/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f90ef6a-f1df-4736-87fa-b55642dca8a4/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e3cb2f788bd8b6aed266239a667d8aec45bc37eed8a60a4f1b6f4064a5672f5 [2023-11-21 22:29:20,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:29:20,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:29:20,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:29:20,056 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:29:20,056 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:29:20,058 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f90ef6a-f1df-4736-87fa-b55642dca8a4/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c [2023-11-21 22:29:23,291 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:29:23,647 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:29:23,652 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f90ef6a-f1df-4736-87fa-b55642dca8a4/sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c [2023-11-21 22:29:23,668 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f90ef6a-f1df-4736-87fa-b55642dca8a4/bin/uautomizer-verify-bycVGegfSx/data/77bbc3bdb/f877720ae38d45e3ad9b2fe2df4cdea4/FLAG47ecc5372 [2023-11-21 22:29:23,685 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f90ef6a-f1df-4736-87fa-b55642dca8a4/bin/uautomizer-verify-bycVGegfSx/data/77bbc3bdb/f877720ae38d45e3ad9b2fe2df4cdea4 [2023-11-21 22:29:23,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:29:23,690 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:29:23,692 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:29:23,692 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:29:23,700 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:29:23,701 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:29:23" (1/1) ... [2023-11-21 22:29:23,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@261e2821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:23, skipping insertion in model container [2023-11-21 22:29:23,702 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:29:23" (1/1) ... [2023-11-21 22:29:23,775 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:29:24,110 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:29:24,130 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:29:24,140 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2023-11-21 22:29:24,142 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [165] [2023-11-21 22:29:24,142 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [233] [2023-11-21 22:29:24,143 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [271] [2023-11-21 22:29:24,143 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [307] [2023-11-21 22:29:24,143 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [316] [2023-11-21 22:29:24,144 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [412] [2023-11-21 22:29:24,144 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [492] [2023-11-21 22:29:24,219 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:29:24,242 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:29:24,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:24 WrapperNode [2023-11-21 22:29:24,243 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:29:24,244 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:29:24,245 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:29:24,245 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:29:24,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:24" (1/1) ... [2023-11-21 22:29:24,278 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:24" (1/1) ... [2023-11-21 22:29:24,321 INFO L138 Inliner]: procedures = 49, calls = 90, calls flagged for inlining = 43, calls inlined = 38, statements flattened = 261 [2023-11-21 22:29:24,322 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:29:24,323 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:29:24,323 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:29:24,324 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:29:24,339 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:24" (1/1) ... [2023-11-21 22:29:24,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:24" (1/1) ... [2023-11-21 22:29:24,342 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:24" (1/1) ... [2023-11-21 22:29:24,357 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:29:24,358 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:24" (1/1) ... [2023-11-21 22:29:24,358 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:24" (1/1) ... [2023-11-21 22:29:24,365 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:24" (1/1) ... [2023-11-21 22:29:24,370 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:24" (1/1) ... [2023-11-21 22:29:24,372 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:24" (1/1) ... [2023-11-21 22:29:24,374 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:24" (1/1) ... [2023-11-21 22:29:24,377 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:29:24,379 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:29:24,379 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:29:24,379 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:29:24,380 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:24" (1/1) ... [2023-11-21 22:29:24,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:24,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f90ef6a-f1df-4736-87fa-b55642dca8a4/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:24,443 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f90ef6a-f1df-4736-87fa-b55642dca8a4/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:24,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f90ef6a-f1df-4736-87fa-b55642dca8a4/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-21 22:29:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:29:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:29:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:29:24,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:29:24,560 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:29:24,561 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:29:24,885 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:29:24,897 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:29:24,897 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 22:29:24,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:29:24 BoogieIcfgContainer [2023-11-21 22:29:24,899 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:29:24,900 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-21 22:29:24,900 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-21 22:29:24,904 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-21 22:29:24,905 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:29:24,905 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 10:29:23" (1/3) ... [2023-11-21 22:29:24,906 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@442c3aff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:29:24, skipping insertion in model container [2023-11-21 22:29:24,906 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:29:24,906 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:24" (2/3) ... [2023-11-21 22:29:24,906 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@442c3aff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:29:24, skipping insertion in model container [2023-11-21 22:29:24,907 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:29:24,907 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:29:24" (3/3) ... [2023-11-21 22:29:24,908 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product01.cil.c [2023-11-21 22:29:24,967 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-21 22:29:24,967 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-21 22:29:24,967 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-21 22:29:24,967 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-21 22:29:24,967 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-21 22:29:24,967 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-21 22:29:24,967 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-21 22:29:24,968 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-21 22:29:24,972 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 84 states, 83 states have (on average 1.3734939759036144) internal successors, (114), 83 states have internal predecessors, (114), 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) [2023-11-21 22:29:24,994 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 52 [2023-11-21 22:29:24,995 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:29:24,995 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:29:25,001 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:29:25,001 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:29:25,001 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-21 22:29:25,002 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 84 states, 83 states have (on average 1.3734939759036144) internal successors, (114), 83 states have internal predecessors, (114), 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) [2023-11-21 22:29:25,008 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 52 [2023-11-21 22:29:25,008 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:29:25,008 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:29:25,009 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:29:25,009 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:29:25,014 INFO L748 eck$LassoCheckResult]: Stem: 37#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 46#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~4#1, main_~tmp~2#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~2#1;assume { :begin_inline_select_helpers } true; 30#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 43#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;havoc valid_product_~retValue_acc~3#1;valid_product_~retValue_acc~3#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~3#1; 26#valid_product_returnLabel#1true main_#t~ret21#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;assume { :end_inline_valid_product } true;main_~tmp~2#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 82#L399true assume 0 != main_~tmp~2#1;assume { :begin_inline_setup } true; 8#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 25#L179-2true [2023-11-21 22:29:25,016 INFO L750 eck$LassoCheckResult]: Loop: 25#L179-2true assume !false; 2#L180true assume test_~splverifierCounter~0#1 < 4; 32#L181true havoc test_#t~nondet13#1;test_~tmp~0#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 23#L189true assume !(0 != test_~tmp~0#1); 57#L189-2true havoc test_#t~nondet14#1;test_~tmp___0~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 61#L199true assume !(0 != test_~tmp___0~0#1); 47#L199-2true havoc test_#t~nondet15#1;test_~tmp___2~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 50#L209true assume 0 != test_~tmp___2~0#1; 64#L215-2true assume { :begin_inline_timeShift } true; 42#L66true assume !(0 != ~pumpRunning~0); 51#L66-2true assume !(0 != ~systemActive~0); 54#L73-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret18#1, __utac_acc__Specification3_spec__1_#t~ret19#1, __utac_acc__Specification3_spec__1_#t~ret20#1, __utac_acc__Specification3_spec__1_~tmp~1#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; 66#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification3_spec__1_#t~ret18#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~1#1 := __utac_acc__Specification3_spec__1_#t~ret18#1;havoc __utac_acc__Specification3_spec__1_#t~ret18#1; 34#L283true assume 0 != __utac_acc__Specification3_spec__1_~tmp~1#1; 6#L289-1true havoc __utac_acc__Specification3_spec__1_#t~ret18#1, __utac_acc__Specification3_spec__1_#t~ret19#1, __utac_acc__Specification3_spec__1_#t~ret20#1, __utac_acc__Specification3_spec__1_~tmp~1#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 75#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 25#L179-2true [2023-11-21 22:29:25,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:25,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2023-11-21 22:29:25,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:25,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363332337] [2023-11-21 22:29:25,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:25,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:25,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:25,129 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:29:25,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:25,169 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:29:25,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:25,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1686819562, now seen corresponding path program 1 times [2023-11-21 22:29:25,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:25,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838611732] [2023-11-21 22:29:25,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:25,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:25,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:25,194 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:29:25,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:25,212 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:29:25,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:25,214 INFO L85 PathProgramCache]: Analyzing trace with hash -331400486, now seen corresponding path program 1 times [2023-11-21 22:29:25,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:25,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315374486] [2023-11-21 22:29:25,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:25,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:25,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:25,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:25,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:25,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315374486] [2023-11-21 22:29:25,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315374486] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:25,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:29:25,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:29:25,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546072001] [2023-11-21 22:29:25,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:25,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:25,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:29:25,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:29:25,760 INFO L87 Difference]: Start difference. First operand has 84 states, 83 states have (on average 1.3734939759036144) internal successors, (114), 83 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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) [2023-11-21 22:29:25,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:29:25,823 INFO L93 Difference]: Finished difference Result 78 states and 97 transitions. [2023-11-21 22:29:25,824 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 78 states and 97 transitions. [2023-11-21 22:29:25,828 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 46 [2023-11-21 22:29:25,833 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 78 states to 68 states and 87 transitions. [2023-11-21 22:29:25,834 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 68 [2023-11-21 22:29:25,835 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 68 [2023-11-21 22:29:25,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 87 transitions. [2023-11-21 22:29:25,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:29:25,836 INFO L218 hiAutomatonCegarLoop]: Abstraction has 68 states and 87 transitions. [2023-11-21 22:29:25,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states and 87 transitions. [2023-11-21 22:29:25,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2023-11-21 22:29:25,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 68 states have (on average 1.2794117647058822) internal successors, (87), 67 states have internal predecessors, (87), 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) [2023-11-21 22:29:25,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 87 transitions. [2023-11-21 22:29:25,869 INFO L240 hiAutomatonCegarLoop]: Abstraction has 68 states and 87 transitions. [2023-11-21 22:29:25,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 22:29:25,874 INFO L428 stractBuchiCegarLoop]: Abstraction has 68 states and 87 transitions. [2023-11-21 22:29:25,874 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-21 22:29:25,874 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states and 87 transitions. [2023-11-21 22:29:25,876 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 46 [2023-11-21 22:29:25,876 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:29:25,877 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:29:25,877 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:29:25,878 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:29:25,878 INFO L748 eck$LassoCheckResult]: Stem: 227#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 228#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~4#1, main_~tmp~2#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~2#1;assume { :begin_inline_select_helpers } true; 219#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 220#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;havoc valid_product_~retValue_acc~3#1;valid_product_~retValue_acc~3#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~3#1; 215#valid_product_returnLabel#1 main_#t~ret21#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;assume { :end_inline_valid_product } true;main_~tmp~2#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 216#L399 assume 0 != main_~tmp~2#1;assume { :begin_inline_setup } true; 192#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 193#L179-2 [2023-11-21 22:29:25,878 INFO L750 eck$LassoCheckResult]: Loop: 193#L179-2 assume !false; 180#L180 assume test_~splverifierCounter~0#1 < 4; 181#L181 havoc test_#t~nondet13#1;test_~tmp~0#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 210#L189 assume !(0 != test_~tmp~0#1); 189#L189-2 havoc test_#t~nondet14#1;test_~tmp___0~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 243#L199 assume !(0 != test_~tmp___0~0#1); 208#L199-2 havoc test_#t~nondet15#1;test_~tmp___2~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 235#L209 assume 0 != test_~tmp___2~0#1; 239#L215-2 assume { :begin_inline_timeShift } true; 232#L66 assume !(0 != ~pumpRunning~0); 204#L66-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 213#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 214#L73-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret18#1, __utac_acc__Specification3_spec__1_#t~ret19#1, __utac_acc__Specification3_spec__1_#t~ret20#1, __utac_acc__Specification3_spec__1_~tmp~1#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; 240#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret18#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~1#1 := __utac_acc__Specification3_spec__1_#t~ret18#1;havoc __utac_acc__Specification3_spec__1_#t~ret18#1; 223#L283 assume 0 != __utac_acc__Specification3_spec__1_~tmp~1#1; 183#L289-1 havoc __utac_acc__Specification3_spec__1_#t~ret18#1, __utac_acc__Specification3_spec__1_#t~ret19#1, __utac_acc__Specification3_spec__1_#t~ret20#1, __utac_acc__Specification3_spec__1_~tmp~1#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 184#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 193#L179-2 [2023-11-21 22:29:25,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:25,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2023-11-21 22:29:25,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:25,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385664528] [2023-11-21 22:29:25,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:25,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:25,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:25,890 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:29:25,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:25,901 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:29:25,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:25,902 INFO L85 PathProgramCache]: Analyzing trace with hash -123324237, now seen corresponding path program 1 times [2023-11-21 22:29:25,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:25,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581886081] [2023-11-21 22:29:25,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:25,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:25,910 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:29:25,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:25,917 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:29:25,917 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:25,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1055005841, now seen corresponding path program 1 times [2023-11-21 22:29:25,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:25,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146782342] [2023-11-21 22:29:25,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:25,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:25,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:26,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:26,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:26,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146782342] [2023-11-21 22:29:26,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146782342] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:26,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:29:26,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 22:29:26,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933022272] [2023-11-21 22:29:26,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:26,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:26,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 22:29:26,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:29:26,162 INFO L87 Difference]: Start difference. First operand 68 states and 87 transitions. cyclomatic complexity: 21 Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:29:26,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:29:26,287 INFO L93 Difference]: Finished difference Result 169 states and 217 transitions. [2023-11-21 22:29:26,288 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 169 states and 217 transitions. [2023-11-21 22:29:26,297 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 115 [2023-11-21 22:29:26,304 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 169 states to 169 states and 217 transitions. [2023-11-21 22:29:26,304 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 169 [2023-11-21 22:29:26,305 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 169 [2023-11-21 22:29:26,305 INFO L73 IsDeterministic]: Start isDeterministic. Operand 169 states and 217 transitions. [2023-11-21 22:29:26,307 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:29:26,308 INFO L218 hiAutomatonCegarLoop]: Abstraction has 169 states and 217 transitions. [2023-11-21 22:29:26,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states and 217 transitions. [2023-11-21 22:29:26,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 129. [2023-11-21 22:29:26,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 129 states have (on average 1.2635658914728682) internal successors, (163), 128 states have internal predecessors, (163), 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) [2023-11-21 22:29:26,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 163 transitions. [2023-11-21 22:29:26,334 INFO L240 hiAutomatonCegarLoop]: Abstraction has 129 states and 163 transitions. [2023-11-21 22:29:26,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-21 22:29:26,335 INFO L428 stractBuchiCegarLoop]: Abstraction has 129 states and 163 transitions. [2023-11-21 22:29:26,335 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-21 22:29:26,336 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 129 states and 163 transitions. [2023-11-21 22:29:26,338 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 92 [2023-11-21 22:29:26,339 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:29:26,339 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:29:26,341 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:29:26,341 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] [2023-11-21 22:29:26,341 INFO L748 eck$LassoCheckResult]: Stem: 479#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 480#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~4#1, main_~tmp~2#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~2#1;assume { :begin_inline_select_helpers } true; 471#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 472#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;havoc valid_product_~retValue_acc~3#1;valid_product_~retValue_acc~3#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~3#1; 465#valid_product_returnLabel#1 main_#t~ret21#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;assume { :end_inline_valid_product } true;main_~tmp~2#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 466#L399 assume 0 != main_~tmp~2#1;assume { :begin_inline_setup } true; 440#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 441#L179-2 [2023-11-21 22:29:26,341 INFO L750 eck$LassoCheckResult]: Loop: 441#L179-2 assume !false; 431#L180 assume test_~splverifierCounter~0#1 < 4; 432#L181 havoc test_#t~nondet13#1;test_~tmp~0#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 462#L189 assume !(0 != test_~tmp~0#1); 435#L189-2 havoc test_#t~nondet14#1;test_~tmp___0~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 498#L199 assume !(0 != test_~tmp___0~0#1); 460#L199-2 havoc test_#t~nondet15#1;test_~tmp___2~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 487#L209 assume 0 != test_~tmp___2~0#1; 492#L215-2 assume { :begin_inline_timeShift } true; 484#L66 assume !(0 != ~pumpRunning~0); 456#L66-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 467#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 468#L73-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret18#1, __utac_acc__Specification3_spec__1_#t~ret19#1, __utac_acc__Specification3_spec__1_#t~ret20#1, __utac_acc__Specification3_spec__1_~tmp~1#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; 494#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret18#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~1#1 := __utac_acc__Specification3_spec__1_#t~ret18#1;havoc __utac_acc__Specification3_spec__1_#t~ret18#1; 475#L283 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~1#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 476#getWaterLevel_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret19#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~1#1 := __utac_acc__Specification3_spec__1_#t~ret19#1;havoc __utac_acc__Specification3_spec__1_#t~ret19#1; 535#L289 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~1#1); 534#L289-1 havoc __utac_acc__Specification3_spec__1_#t~ret18#1, __utac_acc__Specification3_spec__1_#t~ret19#1, __utac_acc__Specification3_spec__1_#t~ret20#1, __utac_acc__Specification3_spec__1_~tmp~1#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 510#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 441#L179-2 [2023-11-21 22:29:26,343 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:26,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2023-11-21 22:29:26,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:26,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297119176] [2023-11-21 22:29:26,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:26,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:26,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:26,358 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:29:26,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:26,382 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:29:26,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:26,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1745683400, now seen corresponding path program 1 times [2023-11-21 22:29:26,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:26,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084268684] [2023-11-21 22:29:26,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:26,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:26,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:26,399 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:29:26,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:26,407 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:29:26,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:26,410 INFO L85 PathProgramCache]: Analyzing trace with hash -247140476, now seen corresponding path program 1 times [2023-11-21 22:29:26,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:26,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247752314] [2023-11-21 22:29:26,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:26,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:26,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:26,434 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:29:26,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:26,465 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:29:27,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:27,601 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:29:27,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:29:27,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 10:29:27 BoogieIcfgContainer [2023-11-21 22:29:27,666 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-21 22:29:27,667 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:29:27,667 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:29:27,667 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:29:27,668 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:29:24" (3/4) ... [2023-11-21 22:29:27,669 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-21 22:29:27,741 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f90ef6a-f1df-4736-87fa-b55642dca8a4/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:29:27,741 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:29:27,742 INFO L158 Benchmark]: Toolchain (without parser) took 4051.59ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 115.9MB in the beginning and 87.5MB in the end (delta: 28.4MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. [2023-11-21 22:29:27,742 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 111.1MB. Free memory is still 58.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:29:27,743 INFO L158 Benchmark]: CACSL2BoogieTranslator took 551.79ms. Allocated memory is still 157.3MB. Free memory was 115.6MB in the beginning and 97.6MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 22:29:27,743 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.75ms. Allocated memory is still 157.3MB. Free memory was 97.2MB in the beginning and 95.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:29:27,743 INFO L158 Benchmark]: Boogie Preprocessor took 54.69ms. Allocated memory is still 157.3MB. Free memory was 95.1MB in the beginning and 92.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:29:27,744 INFO L158 Benchmark]: RCFGBuilder took 520.52ms. Allocated memory is still 157.3MB. Free memory was 92.7MB in the beginning and 125.9MB in the end (delta: -33.2MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2023-11-21 22:29:27,745 INFO L158 Benchmark]: BuchiAutomizer took 2766.51ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 125.9MB in the beginning and 90.6MB in the end (delta: 35.3MB). Peak memory consumption was 67.5MB. Max. memory is 16.1GB. [2023-11-21 22:29:27,745 INFO L158 Benchmark]: Witness Printer took 74.07ms. Allocated memory is still 188.7MB. Free memory was 90.6MB in the beginning and 87.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:29:27,748 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 111.1MB. Free memory is still 58.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 551.79ms. Allocated memory is still 157.3MB. Free memory was 115.6MB in the beginning and 97.6MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.75ms. Allocated memory is still 157.3MB. Free memory was 97.2MB in the beginning and 95.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.69ms. Allocated memory is still 157.3MB. Free memory was 95.1MB in the beginning and 92.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 520.52ms. Allocated memory is still 157.3MB. Free memory was 92.7MB in the beginning and 125.9MB in the end (delta: -33.2MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 2766.51ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 125.9MB in the beginning and 90.6MB in the end (delta: 35.3MB). Peak memory consumption was 67.5MB. Max. memory is 16.1GB. * Witness Printer took 74.07ms. Allocated memory is still 188.7MB. Free memory was 90.6MB in the beginning and 87.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. 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,"MinePump.i","") [49] - GenericResultAtLocation [Line: 165]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [165] - GenericResultAtLocation [Line: 233]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [233] - GenericResultAtLocation [Line: 271]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [271] - GenericResultAtLocation [Line: 307]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [307] - GenericResultAtLocation [Line: 316]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [316] - GenericResultAtLocation [Line: 412]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [412] - GenericResultAtLocation [Line: 492]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [492] * 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 6 locations. The remainder module has 129 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 40 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, 543 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 543 mSDsluCounter, 479 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 273 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53 IncrementalHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 206 mSDtfsCounter, 53 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: 179]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L58] int pumpRunning = 0; [L59] int systemActive = 1; [L317] int cleanupTimeShifts = 4; [L413] int waterLevel = 1; [L414] int methaneLevelCritical = 0; [L662] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L390] int retValue_acc ; [L391] int tmp ; [L395] FCALL select_helpers() [L396] FCALL select_features() [L397] CALL, EXPR valid_product() [L263] int retValue_acc ; [L266] retValue_acc = 1 [L267] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L397] RET, EXPR valid_product() [L397] tmp = valid_product() [L399] COND TRUE \read(tmp) [L401] FCALL setup() [L402] CALL runTest() [L384] CALL test() [L170] int splverifierCounter ; [L171] int tmp ; [L172] int tmp___0 ; [L173] int tmp___1 ; [L174] int tmp___2 ; [L177] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L179] COND TRUE 1 [L181] COND TRUE splverifierCounter < 4 [L187] tmp = __VERIFIER_nondet_int() [L189] COND FALSE !(\read(tmp)) [L197] tmp___0 = __VERIFIER_nondet_int() [L199] COND FALSE !(\read(tmp___0)) [L207] tmp___2 = __VERIFIER_nondet_int() [L209] COND TRUE \read(tmp___2) [L222] CALL timeShift() [L66] COND FALSE !(\read(pumpRunning)) [L73] COND TRUE \read(systemActive) [L75] FCALL processEnvironment() [L81] CALL __utac_acc__Specification3_spec__1() [L275] int tmp ; [L276] int tmp___0 ; [L277] int tmp___1 ; [L281] CALL, EXPR isMethaneLevelCritical() [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] return (retValue_acc); [L281] RET, EXPR isMethaneLevelCritical() [L281] tmp = isMethaneLevelCritical() [L283] COND FALSE !(\read(tmp)) [L287] CALL, EXPR getWaterLevel() [L484] int retValue_acc ; [L487] retValue_acc = waterLevel [L488] return (retValue_acc); [L287] RET, EXPR getWaterLevel() [L287] tmp___0 = getWaterLevel() [L289] COND FALSE !(tmp___0 == 2) [L81] RET __utac_acc__Specification3_spec__1() [L222] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 179]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L58] int pumpRunning = 0; [L59] int systemActive = 1; [L317] int cleanupTimeShifts = 4; [L413] int waterLevel = 1; [L414] int methaneLevelCritical = 0; [L662] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L390] int retValue_acc ; [L391] int tmp ; [L395] FCALL select_helpers() [L396] FCALL select_features() [L397] CALL, EXPR valid_product() [L263] int retValue_acc ; [L266] retValue_acc = 1 [L267] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L397] RET, EXPR valid_product() [L397] tmp = valid_product() [L399] COND TRUE \read(tmp) [L401] FCALL setup() [L402] CALL runTest() [L384] CALL test() [L170] int splverifierCounter ; [L171] int tmp ; [L172] int tmp___0 ; [L173] int tmp___1 ; [L174] int tmp___2 ; [L177] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L179] COND TRUE 1 [L181] COND TRUE splverifierCounter < 4 [L187] tmp = __VERIFIER_nondet_int() [L189] COND FALSE !(\read(tmp)) [L197] tmp___0 = __VERIFIER_nondet_int() [L199] COND FALSE !(\read(tmp___0)) [L207] tmp___2 = __VERIFIER_nondet_int() [L209] COND TRUE \read(tmp___2) [L222] CALL timeShift() [L66] COND FALSE !(\read(pumpRunning)) [L73] COND TRUE \read(systemActive) [L75] FCALL processEnvironment() [L81] CALL __utac_acc__Specification3_spec__1() [L275] int tmp ; [L276] int tmp___0 ; [L277] int tmp___1 ; [L281] CALL, EXPR isMethaneLevelCritical() [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] return (retValue_acc); [L281] RET, EXPR isMethaneLevelCritical() [L281] tmp = isMethaneLevelCritical() [L283] COND FALSE !(\read(tmp)) [L287] CALL, EXPR getWaterLevel() [L484] int retValue_acc ; [L487] retValue_acc = waterLevel [L488] return (retValue_acc); [L287] RET, EXPR getWaterLevel() [L287] tmp___0 = getWaterLevel() [L289] COND FALSE !(tmp___0 == 2) [L81] RET __utac_acc__Specification3_spec__1() [L222] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-21 22:29:27,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f90ef6a-f1df-4736-87fa-b55642dca8a4/bin/uautomizer-verify-bycVGegfSx/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)