./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff 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_5ce86afa-dae3-4ea2-8a59-f9472120db1f/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce86afa-dae3-4ea2-8a59-f9472120db1f/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce86afa-dae3-4ea2-8a59-f9472120db1f/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce86afa-dae3-4ea2-8a59-f9472120db1f/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce86afa-dae3-4ea2-8a59-f9472120db1f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce86afa-dae3-4ea2-8a59-f9472120db1f/bin/uautomizer-verify-uCwYo4JHxu --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 0e76649cac6515f08270152166e80012375eb96b6ec0655501fc67165d9b0051 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:37:30,585 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:37:30,712 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce86afa-dae3-4ea2-8a59-f9472120db1f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 07:37:30,717 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:37:30,718 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:37:30,746 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:37:30,747 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:37:30,748 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:37:30,749 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:37:30,749 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:37:30,750 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:37:30,751 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:37:30,751 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:37:30,752 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:37:30,753 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:37:30,753 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:37:30,754 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:37:30,755 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:37:30,755 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:37:30,756 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:37:30,757 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:37:30,757 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:37:30,758 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:37:30,759 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:37:30,759 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:37:30,760 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:37:30,760 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:37:30,761 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:37:30,761 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:37:30,762 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:37:30,762 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:37:30,763 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:37:30,763 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:37:30,764 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:37:30,764 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:37:30,765 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:37:30,765 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_5ce86afa-dae3-4ea2-8a59-f9472120db1f/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce86afa-dae3-4ea2-8a59-f9472120db1f/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e76649cac6515f08270152166e80012375eb96b6ec0655501fc67165d9b0051 [2023-11-19 07:37:31,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:37:31,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:37:31,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:37:31,149 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:37:31,150 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:37:31,152 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce86afa-dae3-4ea2-8a59-f9472120db1f/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c [2023-11-19 07:37:34,812 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:37:35,110 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:37:35,110 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce86afa-dae3-4ea2-8a59-f9472120db1f/sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c [2023-11-19 07:37:35,127 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce86afa-dae3-4ea2-8a59-f9472120db1f/bin/uautomizer-verify-uCwYo4JHxu/data/517fdc81a/ea81f2fcb2b646218d6e5d7984a92847/FLAG4e8219c28 [2023-11-19 07:37:35,146 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce86afa-dae3-4ea2-8a59-f9472120db1f/bin/uautomizer-verify-uCwYo4JHxu/data/517fdc81a/ea81f2fcb2b646218d6e5d7984a92847 [2023-11-19 07:37:35,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:37:35,151 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:37:35,153 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:37:35,153 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:37:35,160 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:37:35,162 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:37:35" (1/1) ... [2023-11-19 07:37:35,163 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b634f46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:35, skipping insertion in model container [2023-11-19 07:37:35,163 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:37:35" (1/1) ... [2023-11-19 07:37:35,245 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:37:35,573 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:37:35,604 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:37:35,617 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2023-11-19 07:37:35,619 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [415] [2023-11-19 07:37:35,620 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [444] [2023-11-19 07:37:35,620 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [548] [2023-11-19 07:37:35,621 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [641] [2023-11-19 07:37:35,621 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [676] [2023-11-19 07:37:35,621 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [741] [2023-11-19 07:37:35,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [921] [2023-11-19 07:37:35,764 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:37:35,796 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:37:35,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:35 WrapperNode [2023-11-19 07:37:35,797 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:37:35,799 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:37:35,799 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:37:35,799 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:37:35,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:35" (1/1) ... [2023-11-19 07:37:35,841 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:35" (1/1) ... [2023-11-19 07:37:35,894 INFO L138 Inliner]: procedures = 53, calls = 98, calls flagged for inlining = 51, calls inlined = 80, statements flattened = 507 [2023-11-19 07:37:35,895 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:37:35,896 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:37:35,896 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:37:35,896 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:37:35,907 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:35" (1/1) ... [2023-11-19 07:37:35,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:35" (1/1) ... [2023-11-19 07:37:35,951 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:35" (1/1) ... [2023-11-19 07:37:35,952 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:35" (1/1) ... [2023-11-19 07:37:35,962 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:35" (1/1) ... [2023-11-19 07:37:36,021 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:35" (1/1) ... [2023-11-19 07:37:36,023 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:35" (1/1) ... [2023-11-19 07:37:36,025 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:35" (1/1) ... [2023-11-19 07:37:36,029 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:37:36,030 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:37:36,031 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:37:36,031 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:37:36,052 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:35" (1/1) ... [2023-11-19 07:37:36,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:37:36,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce86afa-dae3-4ea2-8a59-f9472120db1f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:37:36,105 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce86afa-dae3-4ea2-8a59-f9472120db1f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:37:36,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce86afa-dae3-4ea2-8a59-f9472120db1f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:37:36,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:37:36,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:37:36,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:37:36,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:37:36,248 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:37:36,250 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:37:36,823 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:37:36,837 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:37:36,838 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 07:37:36,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:37:36 BoogieIcfgContainer [2023-11-19 07:37:36,844 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:37:36,845 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:37:36,846 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:37:36,851 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:37:36,852 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:37:36,852 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:37:35" (1/3) ... [2023-11-19 07:37:36,853 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e17dd40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:37:36, skipping insertion in model container [2023-11-19 07:37:36,854 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:37:36,854 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:35" (2/3) ... [2023-11-19 07:37:36,854 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e17dd40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:37:36, skipping insertion in model container [2023-11-19 07:37:36,855 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:37:36,855 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:37:36" (3/3) ... [2023-11-19 07:37:36,857 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product21.cil.c [2023-11-19 07:37:36,932 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:37:36,933 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:37:36,933 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:37:36,933 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:37:36,933 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:37:36,934 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:37:36,934 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:37:36,934 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:37:36,941 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 153 states, 152 states have (on average 1.3421052631578947) internal successors, (204), 152 states have internal predecessors, (204), 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) [2023-11-19 07:37:36,971 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 98 [2023-11-19 07:37:36,971 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:37:36,971 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:37:36,979 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:37:36,979 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:37:36,979 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:37:36,981 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 153 states, 152 states have (on average 1.3421052631578947) internal successors, (204), 152 states have internal predecessors, (204), 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) [2023-11-19 07:37:36,992 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 98 [2023-11-19 07:37:36,992 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:37:36,992 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:37:36,993 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:37:36,994 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:37:37,000 INFO L748 eck$LassoCheckResult]: Stem: 28#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 38#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 24#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 124#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~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 97#valid_product_returnLabel#1true main_#t~ret29#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret29#1;havoc main_#t~ret29#1; 94#L535true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 75#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 76#L687-2true [2023-11-19 07:37:37,001 INFO L750 eck$LassoCheckResult]: Loop: 76#L687-2true assume !false; 115#L688true assume test_~splverifierCounter~0#1 < 4; 90#L689true havoc test_#t~nondet36#1;test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 32#L697true assume !(0 != test_~tmp~5#1); 4#L697-2true havoc test_#t~nondet37#1;test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 88#L707true assume !(0 != test_~tmp___0~1#1); 130#L707-2true havoc test_#t~nondet38#1;test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 21#L717true assume 0 != test_~tmp___2~0#1; 46#L723-2true assume { :begin_inline_timeShift } true; 23#L751true assume !(0 != ~pumpRunning~0); 12#L751-2true assume !(0 != ~systemActive~0); 78#L758-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret27#1, __utac_acc__Specification1_spec__1_#t~ret28#1, __utac_acc__Specification1_spec__1_~tmp~3#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~3#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; 72#isMethaneLevelCritical_returnLabel#2true __utac_acc__Specification1_spec__1_#t~ret27#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~3#1 := __utac_acc__Specification1_spec__1_#t~ret27#1;havoc __utac_acc__Specification1_spec__1_#t~ret27#1; 96#L427true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3#1); 69#L427-1true havoc __utac_acc__Specification1_spec__1_#t~ret27#1, __utac_acc__Specification1_spec__1_#t~ret28#1, __utac_acc__Specification1_spec__1_~tmp~3#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 65#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 76#L687-2true [2023-11-19 07:37:37,014 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:37:37,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2023-11-19 07:37:37,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:37:37,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105786956] [2023-11-19 07:37:37,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:37:37,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:37:37,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:37:37,229 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:37:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:37:37,307 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:37:37,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:37:37,312 INFO L85 PathProgramCache]: Analyzing trace with hash 679872070, now seen corresponding path program 1 times [2023-11-19 07:37:37,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:37:37,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257506303] [2023-11-19 07:37:37,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:37:37,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:37:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:37:37,344 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:37:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:37:37,376 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:37:37,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:37:37,378 INFO L85 PathProgramCache]: Analyzing trace with hash 2035291146, now seen corresponding path program 1 times [2023-11-19 07:37:37,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:37:37,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288458706] [2023-11-19 07:37:37,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:37:37,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:37:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:37,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:37:37,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:37:37,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288458706] [2023-11-19 07:37:37,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288458706] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:37:37,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:37:37,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:37:37,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398320254] [2023-11-19 07:37:37,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:37:37,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:37:37,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:37:37,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:37:37,891 INFO L87 Difference]: Start difference. First operand has 153 states, 152 states have (on average 1.3421052631578947) internal successors, (204), 152 states have internal predecessors, (204), 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) [2023-11-19 07:37:38,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:37:38,032 INFO L93 Difference]: Finished difference Result 147 states and 187 transitions. [2023-11-19 07:37:38,034 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 147 states and 187 transitions. [2023-11-19 07:37:38,042 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 92 [2023-11-19 07:37:38,056 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 147 states to 137 states and 177 transitions. [2023-11-19 07:37:38,058 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 137 [2023-11-19 07:37:38,059 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 137 [2023-11-19 07:37:38,060 INFO L73 IsDeterministic]: Start isDeterministic. Operand 137 states and 177 transitions. [2023-11-19 07:37:38,061 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:37:38,061 INFO L218 hiAutomatonCegarLoop]: Abstraction has 137 states and 177 transitions. [2023-11-19 07:37:38,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states and 177 transitions. [2023-11-19 07:37:38,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2023-11-19 07:37:38,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 137 states have (on average 1.2919708029197081) internal successors, (177), 136 states have internal predecessors, (177), 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) [2023-11-19 07:37:38,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 177 transitions. [2023-11-19 07:37:38,105 INFO L240 hiAutomatonCegarLoop]: Abstraction has 137 states and 177 transitions. [2023-11-19 07:37:38,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:37:38,112 INFO L428 stractBuchiCegarLoop]: Abstraction has 137 states and 177 transitions. [2023-11-19 07:37:38,112 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:37:38,113 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 137 states and 177 transitions. [2023-11-19 07:37:38,116 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 92 [2023-11-19 07:37:38,117 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:37:38,117 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:37:38,118 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:37:38,118 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] [2023-11-19 07:37:38,118 INFO L748 eck$LassoCheckResult]: Stem: 362#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 363#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 357#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 358#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~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 435#valid_product_returnLabel#1 main_#t~ret29#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret29#1;havoc main_#t~ret29#1; 431#L535 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 414#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 407#L687-2 [2023-11-19 07:37:38,119 INFO L750 eck$LassoCheckResult]: Loop: 407#L687-2 assume !false; 415#L688 assume test_~splverifierCounter~0#1 < 4; 428#L689 havoc test_#t~nondet36#1;test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 371#L697 assume !(0 != test_~tmp~5#1); 320#L697-2 havoc test_#t~nondet37#1;test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 321#L707 assume !(0 != test_~tmp___0~1#1); 365#L707-2 havoc test_#t~nondet38#1;test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 350#L717 assume 0 != test_~tmp___2~0#1; 352#L723-2 assume { :begin_inline_timeShift } true; 355#L751 assume !(0 != ~pumpRunning~0); 334#L751-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1; 335#L809 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret40#1, processEnvironment__wrappee__lowWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~6#1; 449#L783-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 318#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 319#L783-3 havoc processEnvironment__wrappee__lowWaterSensor_#t~ret40#1, processEnvironment__wrappee__lowWaterSensor_~tmp~6#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 445#L809-1 havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~7#1;assume { :end_inline_processEnvironment } true; 416#L758-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret27#1, __utac_acc__Specification1_spec__1_#t~ret28#1, __utac_acc__Specification1_spec__1_~tmp~3#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~3#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; 410#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification1_spec__1_#t~ret27#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~3#1 := __utac_acc__Specification1_spec__1_#t~ret27#1;havoc __utac_acc__Specification1_spec__1_#t~ret27#1; 411#L427 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3#1); 408#L427-1 havoc __utac_acc__Specification1_spec__1_#t~ret27#1, __utac_acc__Specification1_spec__1_#t~ret28#1, __utac_acc__Specification1_spec__1_~tmp~3#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 406#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 407#L687-2 [2023-11-19 07:37:38,119 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:37:38,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2023-11-19 07:37:38,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:37:38,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220017720] [2023-11-19 07:37:38,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:37:38,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:37:38,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:37:38,134 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:37:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:37:38,148 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:37:38,149 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:37:38,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1867517312, now seen corresponding path program 1 times [2023-11-19 07:37:38,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:37:38,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126637853] [2023-11-19 07:37:38,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:37:38,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:37:38,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:37:38,160 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:37:38,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:37:38,170 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:37:38,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:37:38,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1415848132, now seen corresponding path program 1 times [2023-11-19 07:37:38,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:37:38,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093595716] [2023-11-19 07:37:38,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:37:38,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:37:38,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:37:38,189 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:37:38,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:37:38,210 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:37:39,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:37:39,603 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:37:39,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:37:39,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:37:39 BoogieIcfgContainer [2023-11-19 07:37:39,674 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 07:37:39,675 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:37:39,675 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:37:39,675 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:37:39,678 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:37:36" (3/4) ... [2023-11-19 07:37:39,685 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-19 07:37:39,759 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce86afa-dae3-4ea2-8a59-f9472120db1f/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:37:39,759 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:37:39,760 INFO L158 Benchmark]: Toolchain (without parser) took 4609.17ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 116.8MB in the beginning and 119.2MB in the end (delta: -2.4MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2023-11-19 07:37:39,761 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 109.1MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:37:39,761 INFO L158 Benchmark]: CACSL2BoogieTranslator took 645.02ms. Allocated memory is still 155.2MB. Free memory was 116.8MB in the beginning and 98.0MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:37:39,762 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.03ms. Allocated memory is still 155.2MB. Free memory was 98.0MB in the beginning and 94.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:37:39,762 INFO L158 Benchmark]: Boogie Preprocessor took 133.90ms. Allocated memory is still 155.2MB. Free memory was 94.5MB in the beginning and 125.7MB in the end (delta: -31.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:37:39,763 INFO L158 Benchmark]: RCFGBuilder took 813.89ms. Allocated memory is still 155.2MB. Free memory was 125.7MB in the beginning and 102.0MB in the end (delta: 23.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 07:37:39,764 INFO L158 Benchmark]: BuchiAutomizer took 2828.88ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 102.0MB in the beginning and 122.2MB in the end (delta: -20.3MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2023-11-19 07:37:39,764 INFO L158 Benchmark]: Witness Printer took 84.48ms. Allocated memory is still 186.6MB. Free memory was 122.2MB in the beginning and 119.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:37:39,768 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69ms. Allocated memory is still 109.1MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 645.02ms. Allocated memory is still 155.2MB. Free memory was 116.8MB in the beginning and 98.0MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.03ms. Allocated memory is still 155.2MB. Free memory was 98.0MB in the beginning and 94.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 133.90ms. Allocated memory is still 155.2MB. Free memory was 94.5MB in the beginning and 125.7MB in the end (delta: -31.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 813.89ms. Allocated memory is still 155.2MB. Free memory was 125.7MB in the beginning and 102.0MB in the end (delta: 23.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 2828.88ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 102.0MB in the beginning and 122.2MB in the end (delta: -20.3MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * Witness Printer took 84.48ms. Allocated memory is still 186.6MB. Free memory was 122.2MB in the beginning and 119.2MB in the end (delta: 3.0MB). 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,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [415] - GenericResultAtLocation [Line: 444]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [444] - GenericResultAtLocation [Line: 548]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [548] - GenericResultAtLocation [Line: 641]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [641] - GenericResultAtLocation [Line: 676]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [676] - GenericResultAtLocation [Line: 741]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [741] - GenericResultAtLocation [Line: 921]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [921] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 137 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 721 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 721 mSDsluCounter, 187 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 182 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 687]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L445] int cleanupTimeShifts = 4; [L553] int waterLevel = 1; [L554] int methaneLevelCritical = 0; [L744] int pumpRunning = 0; [L745] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L526] int retValue_acc ; [L527] int tmp ; [L531] FCALL select_helpers() [L532] FCALL select_features() [L533] CALL, EXPR valid_product() [L668] int retValue_acc ; [L671] retValue_acc = 1 [L672] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L533] RET, EXPR valid_product() [L533] tmp = valid_product() [L535] COND TRUE \read(tmp) [L537] FCALL setup() [L538] CALL runTest() [L517] CALL test() [L678] int splverifierCounter ; [L679] int tmp ; [L680] int tmp___0 ; [L681] int tmp___1 ; [L682] int tmp___2 ; [L685] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L687] COND TRUE 1 [L689] COND TRUE splverifierCounter < 4 [L695] tmp = __VERIFIER_nondet_int() [L697] COND FALSE !(\read(tmp)) [L705] tmp___0 = __VERIFIER_nondet_int() [L707] COND FALSE !(\read(tmp___0)) [L715] tmp___2 = __VERIFIER_nondet_int() [L717] COND TRUE \read(tmp___2) [L730] CALL timeShift() [L751] COND FALSE !(\read(pumpRunning)) [L758] COND TRUE \read(systemActive) [L760] CALL processEnvironment() [L806] int tmp ; [L809] COND FALSE !(\read(pumpRunning)) [L824] CALL processEnvironment__wrappee__lowWaterSensor() [L780] int tmp ; [L783] COND FALSE !(\read(pumpRunning)) [L798] FCALL processEnvironment__wrappee__base() [L824] RET processEnvironment__wrappee__lowWaterSensor() [L760] RET processEnvironment() [L766] CALL __utac_acc__Specification1_spec__1() [L420] int tmp ; [L421] int tmp___0 ; [L425] CALL, EXPR isMethaneLevelCritical() [L592] int retValue_acc ; [L595] retValue_acc = methaneLevelCritical [L596] return (retValue_acc); [L425] RET, EXPR isMethaneLevelCritical() [L425] tmp = isMethaneLevelCritical() [L427] COND FALSE !(\read(tmp)) [L766] RET __utac_acc__Specification1_spec__1() [L730] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 687]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L445] int cleanupTimeShifts = 4; [L553] int waterLevel = 1; [L554] int methaneLevelCritical = 0; [L744] int pumpRunning = 0; [L745] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L526] int retValue_acc ; [L527] int tmp ; [L531] FCALL select_helpers() [L532] FCALL select_features() [L533] CALL, EXPR valid_product() [L668] int retValue_acc ; [L671] retValue_acc = 1 [L672] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L533] RET, EXPR valid_product() [L533] tmp = valid_product() [L535] COND TRUE \read(tmp) [L537] FCALL setup() [L538] CALL runTest() [L517] CALL test() [L678] int splverifierCounter ; [L679] int tmp ; [L680] int tmp___0 ; [L681] int tmp___1 ; [L682] int tmp___2 ; [L685] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L687] COND TRUE 1 [L689] COND TRUE splverifierCounter < 4 [L695] tmp = __VERIFIER_nondet_int() [L697] COND FALSE !(\read(tmp)) [L705] tmp___0 = __VERIFIER_nondet_int() [L707] COND FALSE !(\read(tmp___0)) [L715] tmp___2 = __VERIFIER_nondet_int() [L717] COND TRUE \read(tmp___2) [L730] CALL timeShift() [L751] COND FALSE !(\read(pumpRunning)) [L758] COND TRUE \read(systemActive) [L760] CALL processEnvironment() [L806] int tmp ; [L809] COND FALSE !(\read(pumpRunning)) [L824] CALL processEnvironment__wrappee__lowWaterSensor() [L780] int tmp ; [L783] COND FALSE !(\read(pumpRunning)) [L798] FCALL processEnvironment__wrappee__base() [L824] RET processEnvironment__wrappee__lowWaterSensor() [L760] RET processEnvironment() [L766] CALL __utac_acc__Specification1_spec__1() [L420] int tmp ; [L421] int tmp___0 ; [L425] CALL, EXPR isMethaneLevelCritical() [L592] int retValue_acc ; [L595] retValue_acc = methaneLevelCritical [L596] return (retValue_acc); [L425] RET, EXPR isMethaneLevelCritical() [L425] tmp = isMethaneLevelCritical() [L427] COND FALSE !(\read(tmp)) [L766] RET __utac_acc__Specification1_spec__1() [L730] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 07:37:39,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce86afa-dae3-4ea2-8a59-f9472120db1f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)