./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product30.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e7bb482b 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_aeaee1ec-0d7e-4404-aea4-4e7c73898d83/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeaee1ec-0d7e-4404-aea4-4e7c73898d83/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeaee1ec-0d7e-4404-aea4-4e7c73898d83/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeaee1ec-0d7e-4404-aea4-4e7c73898d83/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product30.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeaee1ec-0d7e-4404-aea4-4e7c73898d83/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeaee1ec-0d7e-4404-aea4-4e7c73898d83/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 9808c311cb77db500c7a82ff25628e80c7518c8fd36dd31cb0dd04b17c42877b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:57:02,818 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:57:02,940 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeaee1ec-0d7e-4404-aea4-4e7c73898d83/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-06 21:57:02,960 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:57:02,961 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:57:03,008 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:57:03,011 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:57:03,012 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:57:03,014 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:57:03,020 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:57:03,021 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:57:03,022 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-06 21:57:03,023 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-06 21:57:03,025 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-06 21:57:03,026 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-06 21:57:03,027 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-06 21:57:03,027 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-06 21:57:03,028 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:57:03,029 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-06 21:57:03,029 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:57:03,030 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:57:03,030 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:57:03,031 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:57:03,031 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-06 21:57:03,031 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-06 21:57:03,032 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-06 21:57:03,032 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 21:57:03,032 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:57:03,033 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:57:03,033 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-06 21:57:03,035 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:57:03,035 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:57:03,035 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:57:03,036 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:57:03,036 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 21:57:03,036 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-06 21:57:03,037 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_aeaee1ec-0d7e-4404-aea4-4e7c73898d83/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeaee1ec-0d7e-4404-aea4-4e7c73898d83/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9808c311cb77db500c7a82ff25628e80c7518c8fd36dd31cb0dd04b17c42877b [2023-11-06 21:57:03,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:57:03,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:57:03,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:57:03,348 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:57:03,349 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:57:03,350 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeaee1ec-0d7e-4404-aea4-4e7c73898d83/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/product-lines/minepump_spec5_product30.cil.c [2023-11-06 21:57:06,737 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:57:07,144 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:57:07,145 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeaee1ec-0d7e-4404-aea4-4e7c73898d83/sv-benchmarks/c/product-lines/minepump_spec5_product30.cil.c [2023-11-06 21:57:07,178 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeaee1ec-0d7e-4404-aea4-4e7c73898d83/bin/uautomizer-verify-WvqO1wxjHP/data/183b71d97/cb48f5cc395949c18dc1dcb58d37a309/FLAG3447551a3 [2023-11-06 21:57:07,192 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeaee1ec-0d7e-4404-aea4-4e7c73898d83/bin/uautomizer-verify-WvqO1wxjHP/data/183b71d97/cb48f5cc395949c18dc1dcb58d37a309 [2023-11-06 21:57:07,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:57:07,197 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:57:07,198 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:57:07,199 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:57:07,205 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:57:07,206 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:57:07" (1/1) ... [2023-11-06 21:57:07,207 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7083cce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:07, skipping insertion in model container [2023-11-06 21:57:07,208 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:57:07" (1/1) ... [2023-11-06 21:57:07,281 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:57:07,657 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:57:07,685 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:57:07,697 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2023-11-06 21:57:07,700 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [267] [2023-11-06 21:57:07,700 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [337] [2023-11-06 21:57:07,700 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [388] [2023-11-06 21:57:07,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [426] [2023-11-06 21:57:07,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [792] [2023-11-06 21:57:07,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [801] [2023-11-06 21:57:07,702 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [898] [2023-11-06 21:57:07,801 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:57:07,842 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:57:07,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:07 WrapperNode [2023-11-06 21:57:07,843 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:57:07,845 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:57:07,845 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:57:07,845 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:57:07,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:07" (1/1) ... [2023-11-06 21:57:07,871 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:07" (1/1) ... [2023-11-06 21:57:07,940 INFO L138 Inliner]: procedures = 57, calls = 104, calls flagged for inlining = 57, calls inlined = 88, statements flattened = 550 [2023-11-06 21:57:07,940 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:57:07,941 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:57:07,941 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:57:07,942 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:57:07,952 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:07" (1/1) ... [2023-11-06 21:57:07,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:07" (1/1) ... [2023-11-06 21:57:07,956 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:07" (1/1) ... [2023-11-06 21:57:07,957 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:07" (1/1) ... [2023-11-06 21:57:07,967 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:07" (1/1) ... [2023-11-06 21:57:07,974 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:07" (1/1) ... [2023-11-06 21:57:07,977 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:07" (1/1) ... [2023-11-06 21:57:07,980 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:07" (1/1) ... [2023-11-06 21:57:07,985 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:57:07,988 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:57:07,988 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:57:07,989 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:57:07,990 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:07" (1/1) ... [2023-11-06 21:57:08,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:57:08,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeaee1ec-0d7e-4404-aea4-4e7c73898d83/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:57:08,054 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeaee1ec-0d7e-4404-aea4-4e7c73898d83/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:57:08,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeaee1ec-0d7e-4404-aea4-4e7c73898d83/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-06 21:57:08,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:57:08,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 21:57:08,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:57:08,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:57:08,204 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:57:08,207 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:57:08,783 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:57:08,792 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:57:08,793 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 21:57:08,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:57:08 BoogieIcfgContainer [2023-11-06 21:57:08,802 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:57:08,803 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-06 21:57:08,803 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-06 21:57:08,809 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-06 21:57:08,810 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 21:57:08,810 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.11 09:57:07" (1/3) ... [2023-11-06 21:57:08,812 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@16fb8ea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 09:57:08, skipping insertion in model container [2023-11-06 21:57:08,812 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 21:57:08,812 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:07" (2/3) ... [2023-11-06 21:57:08,813 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@16fb8ea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 09:57:08, skipping insertion in model container [2023-11-06 21:57:08,813 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 21:57:08,813 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:57:08" (3/3) ... [2023-11-06 21:57:08,815 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product30.cil.c [2023-11-06 21:57:08,879 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-06 21:57:08,879 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-06 21:57:08,880 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-06 21:57:08,880 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-06 21:57:08,880 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-06 21:57:08,880 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-06 21:57:08,880 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-06 21:57:08,881 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-06 21:57:08,888 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 164 states, 163 states have (on average 1.3374233128834356) internal successors, (218), 163 states have internal predecessors, (218), 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) [2023-11-06 21:57:08,919 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 105 [2023-11-06 21:57:08,919 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 21:57:08,919 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 21:57:08,929 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:57:08,930 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] [2023-11-06 21:57:08,930 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-06 21:57:08,934 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 164 states, 163 states have (on average 1.3374233128834356) internal successors, (218), 163 states have internal predecessors, (218), 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) [2023-11-06 21:57:08,948 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 105 [2023-11-06 21:57:08,948 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 21:57:08,948 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 21:57:08,949 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:57:08,950 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] [2023-11-06 21:57:08,956 INFO L748 eck$LassoCheckResult]: Stem: 38#$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);~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 51#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~8#1, main_~tmp~9#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 32#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 136#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~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 120#valid_product_returnLabel#1true main_#t~ret48#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 75#L885true assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 100#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 149#__utac_acc__Specification5_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 110#L281-2true [2023-11-06 21:57:08,957 INFO L750 eck$LassoCheckResult]: Loop: 110#L281-2true assume !false; 7#L282true assume test_~splverifierCounter~0#1 < 4; 128#L283true havoc test_#t~nondet17#1;test_~tmp~4#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 112#L291true assume !(0 != test_~tmp~4#1); 111#L291-2true havoc test_#t~nondet18#1;test_~tmp___0~1#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 119#L301true assume !(0 != test_~tmp___0~1#1); 34#L301-2true havoc test_#t~nondet19#1;test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 66#L311true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 72#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 25#L319-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret21#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 146#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret21#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret21#1;havoc __utac_acc__Specification5_spec__2_#t~ret21#1; 113#__utac_acc__Specification5_spec__2_returnLabel#1true havoc __utac_acc__Specification5_spec__2_#t~ret21#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 93#L72true assume !(0 != ~pumpRunning~0); 16#L72-2true assume !(0 != ~systemActive~0); 145#L79-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret22#1, __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_~tmp~5#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~5#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 86#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret22#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~5#1 := __utac_acc__Specification5_spec__3_#t~ret22#1;havoc __utac_acc__Specification5_spec__3_#t~ret22#1; 24#L367true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~5#1); 132#L367-1true havoc __utac_acc__Specification5_spec__3_#t~ret22#1, __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_~tmp~5#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 87#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 110#L281-2true [2023-11-06 21:57:08,964 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:57:08,965 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2023-11-06 21:57:08,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:57:08,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544285333] [2023-11-06 21:57:08,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:57:08,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:57:09,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:57:09,130 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:57:09,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:57:09,203 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:57:09,207 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:57:09,207 INFO L85 PathProgramCache]: Analyzing trace with hash 710199629, now seen corresponding path program 1 times [2023-11-06 21:57:09,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:57:09,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744780337] [2023-11-06 21:57:09,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:57:09,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:57:09,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:09,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:57:09,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:57:09,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744780337] [2023-11-06 21:57:09,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744780337] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:57:09,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:57:09,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 21:57:09,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657327131] [2023-11-06 21:57:09,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:57:09,373 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-06 21:57:09,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:57:09,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:57:09,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:57:09,410 INFO L87 Difference]: Start difference. First operand has 164 states, 163 states have (on average 1.3374233128834356) internal successors, (218), 163 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:57:09,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:57:09,452 INFO L93 Difference]: Finished difference Result 158 states and 202 transitions. [2023-11-06 21:57:09,453 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 158 states and 202 transitions. [2023-11-06 21:57:09,459 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 99 [2023-11-06 21:57:09,470 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 158 states to 148 states and 191 transitions. [2023-11-06 21:57:09,473 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 148 [2023-11-06 21:57:09,478 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 148 [2023-11-06 21:57:09,479 INFO L73 IsDeterministic]: Start isDeterministic. Operand 148 states and 191 transitions. [2023-11-06 21:57:09,480 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:57:09,480 INFO L218 hiAutomatonCegarLoop]: Abstraction has 148 states and 191 transitions. [2023-11-06 21:57:09,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states and 191 transitions. [2023-11-06 21:57:09,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2023-11-06 21:57:09,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 148 states have (on average 1.2905405405405406) internal successors, (191), 147 states have internal predecessors, (191), 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) [2023-11-06 21:57:09,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 191 transitions. [2023-11-06 21:57:09,542 INFO L240 hiAutomatonCegarLoop]: Abstraction has 148 states and 191 transitions. [2023-11-06 21:57:09,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:57:09,553 INFO L428 stractBuchiCegarLoop]: Abstraction has 148 states and 191 transitions. [2023-11-06 21:57:09,553 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-06 21:57:09,553 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 148 states and 191 transitions. [2023-11-06 21:57:09,563 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 99 [2023-11-06 21:57:09,563 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 21:57:09,563 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 21:57:09,564 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:57:09,564 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:57:09,565 INFO L748 eck$LassoCheckResult]: Stem: 392#$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);~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 393#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~8#1, main_~tmp~9#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 386#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 387#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~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 469#valid_product_returnLabel#1 main_#t~ret48#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 434#L885 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 435#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 457#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 447#L281-2 [2023-11-06 21:57:09,565 INFO L750 eck$LassoCheckResult]: Loop: 447#L281-2 assume !false; 336#L282 assume test_~splverifierCounter~0#1 < 4; 337#L283 havoc test_#t~nondet17#1;test_~tmp~4#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 465#L291 assume !(0 != test_~tmp~4#1); 363#L291-2 havoc test_#t~nondet18#1;test_~tmp___0~1#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 464#L301 assume !(0 != test_~tmp___0~1#1); 388#L301-2 havoc test_#t~nondet19#1;test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 389#L311 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 425#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 371#L319-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret21#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 372#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret21#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret21#1;havoc __utac_acc__Specification5_spec__2_#t~ret21#1; 467#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret21#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 453#L72 assume !(0 != ~pumpRunning~0); 352#L72-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 353#L130 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret4#1, processEnvironment__wrappee__methaneQuery_~tmp~0#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~0#1; 439#L104-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 333#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 334#L104-3 havoc processEnvironment__wrappee__methaneQuery_#t~ret4#1, processEnvironment__wrappee__methaneQuery_~tmp~0#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 444#L130-1 havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true; 475#L79-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret22#1, __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_~tmp~5#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~5#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 445#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret22#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~5#1 := __utac_acc__Specification5_spec__3_#t~ret22#1;havoc __utac_acc__Specification5_spec__3_#t~ret22#1; 366#L367 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~5#1); 367#L367-1 havoc __utac_acc__Specification5_spec__3_#t~ret22#1, __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_~tmp~5#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 446#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 447#L281-2 [2023-11-06 21:57:09,565 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:57:09,566 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2023-11-06 21:57:09,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:57:09,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027876641] [2023-11-06 21:57:09,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:57:09,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:57:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:57:09,595 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:57:09,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:57:09,609 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:57:09,610 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:57:09,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1776284499, now seen corresponding path program 1 times [2023-11-06 21:57:09,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:57:09,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958999050] [2023-11-06 21:57:09,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:57:09,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:57:09,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:57:09,621 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:57:09,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:57:09,632 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:57:09,633 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:57:09,633 INFO L85 PathProgramCache]: Analyzing trace with hash -2012429162, now seen corresponding path program 1 times [2023-11-06 21:57:09,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:57:09,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258452650] [2023-11-06 21:57:09,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:57:09,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:57:09,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:09,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:57:09,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:57:09,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258452650] [2023-11-06 21:57:09,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258452650] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:57:09,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:57:09,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 21:57:09,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211445014] [2023-11-06 21:57:09,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:57:10,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:57:10,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 21:57:10,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 21:57:10,065 INFO L87 Difference]: Start difference. First operand 148 states and 191 transitions. cyclomatic complexity: 45 Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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) [2023-11-06 21:57:10,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:57:10,299 INFO L93 Difference]: Finished difference Result 503 states and 651 transitions. [2023-11-06 21:57:10,299 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 503 states and 651 transitions. [2023-11-06 21:57:10,309 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 330 [2023-11-06 21:57:10,318 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 503 states to 503 states and 651 transitions. [2023-11-06 21:57:10,319 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 503 [2023-11-06 21:57:10,321 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 503 [2023-11-06 21:57:10,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 503 states and 651 transitions. [2023-11-06 21:57:10,332 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:57:10,335 INFO L218 hiAutomatonCegarLoop]: Abstraction has 503 states and 651 transitions. [2023-11-06 21:57:10,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states and 651 transitions. [2023-11-06 21:57:10,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 285. [2023-11-06 21:57:10,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 285 states have (on average 1.280701754385965) internal successors, (365), 284 states have internal predecessors, (365), 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) [2023-11-06 21:57:10,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 365 transitions. [2023-11-06 21:57:10,375 INFO L240 hiAutomatonCegarLoop]: Abstraction has 285 states and 365 transitions. [2023-11-06 21:57:10,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 21:57:10,378 INFO L428 stractBuchiCegarLoop]: Abstraction has 285 states and 365 transitions. [2023-11-06 21:57:10,379 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-06 21:57:10,384 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 285 states and 365 transitions. [2023-11-06 21:57:10,387 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 196 [2023-11-06 21:57:10,387 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 21:57:10,387 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 21:57:10,390 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:57:10,390 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:57:10,390 INFO L748 eck$LassoCheckResult]: Stem: 1059#$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);~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1060#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~8#1, main_~tmp~9#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 1051#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1052#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~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 1149#valid_product_returnLabel#1 main_#t~ret48#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 1102#L885 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 1103#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1132#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1119#L281-2 [2023-11-06 21:57:10,391 INFO L750 eck$LassoCheckResult]: Loop: 1119#L281-2 assume !false; 1001#L282 assume test_~splverifierCounter~0#1 < 4; 1002#L283 havoc test_#t~nondet17#1;test_~tmp~4#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 1275#L291 assume !(0 != test_~tmp~4#1); 1273#L291-2 havoc test_#t~nondet18#1;test_~tmp___0~1#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 1270#L301 assume !(0 != test_~tmp___0~1#1); 1265#L301-2 havoc test_#t~nondet19#1;test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 1264#L311 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1262#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 1261#L319-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret21#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 1260#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret21#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret21#1;havoc __utac_acc__Specification5_spec__2_#t~ret21#1; 1259#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret21#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1257#L72 assume !(0 != ~pumpRunning~0); 1255#L72-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 1252#L130 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret4#1, processEnvironment__wrappee__methaneQuery_~tmp~0#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~0#1; 1253#L104-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1268#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 1240#L104-3 havoc processEnvironment__wrappee__methaneQuery_#t~ret4#1, processEnvironment__wrappee__methaneQuery_~tmp~0#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1239#L130-1 havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true; 1238#L79-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret22#1, __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_~tmp~5#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~5#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 1116#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret22#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~5#1 := __utac_acc__Specification5_spec__3_#t~ret22#1;havoc __utac_acc__Specification5_spec__3_#t~ret22#1; 1117#L367 assume 2 != __utac_acc__Specification5_spec__3_~tmp~5#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 1125#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret23#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2#1 := __utac_acc__Specification5_spec__3_#t~ret23#1;havoc __utac_acc__Specification5_spec__3_#t~ret23#1; 1126#L371 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2#1); 1236#L367-1 havoc __utac_acc__Specification5_spec__3_#t~ret22#1, __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_~tmp~5#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1118#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1119#L281-2 [2023-11-06 21:57:10,391 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:57:10,392 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2023-11-06 21:57:10,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:57:10,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009635337] [2023-11-06 21:57:10,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:57:10,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:57:10,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:57:10,423 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:57:10,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:57:10,440 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:57:10,450 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:57:10,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1928390552, now seen corresponding path program 1 times [2023-11-06 21:57:10,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:57:10,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901077659] [2023-11-06 21:57:10,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:57:10,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:57:10,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:57:10,463 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:57:10,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:57:10,472 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:57:10,473 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:57:10,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1230145007, now seen corresponding path program 1 times [2023-11-06 21:57:10,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:57:10,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126204762] [2023-11-06 21:57:10,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:57:10,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:57:10,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:57:10,489 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:57:10,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:57:10,505 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:57:11,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:57:11,796 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:57:11,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:57:11,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.11 09:57:11 BoogieIcfgContainer [2023-11-06 21:57:11,857 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-06 21:57:11,858 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 21:57:11,858 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 21:57:11,859 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 21:57:11,859 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:57:08" (3/4) ... [2023-11-06 21:57:11,860 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-06 21:57:11,919 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeaee1ec-0d7e-4404-aea4-4e7c73898d83/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 21:57:11,919 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 21:57:11,920 INFO L158 Benchmark]: Toolchain (without parser) took 4723.08ms. Allocated memory was 140.5MB in the beginning and 172.0MB in the end (delta: 31.5MB). Free memory was 108.9MB in the beginning and 90.4MB in the end (delta: 18.5MB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB. [2023-11-06 21:57:11,920 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 109.1MB. Free memory was 65.7MB in the beginning and 65.5MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:57:11,921 INFO L158 Benchmark]: CACSL2BoogieTranslator took 645.52ms. Allocated memory is still 140.5MB. Free memory was 108.7MB in the beginning and 89.6MB in the end (delta: 19.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-06 21:57:11,921 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.75ms. Allocated memory is still 140.5MB. Free memory was 89.6MB in the beginning and 86.3MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 21:57:11,922 INFO L158 Benchmark]: Boogie Preprocessor took 44.48ms. Allocated memory is still 140.5MB. Free memory was 86.3MB in the beginning and 83.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 21:57:11,922 INFO L158 Benchmark]: RCFGBuilder took 813.91ms. Allocated memory is still 140.5MB. Free memory was 83.8MB in the beginning and 107.8MB in the end (delta: -23.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-06 21:57:11,923 INFO L158 Benchmark]: BuchiAutomizer took 3054.54ms. Allocated memory was 140.5MB in the beginning and 172.0MB in the end (delta: 31.5MB). Free memory was 107.3MB in the beginning and 93.6MB in the end (delta: 13.8MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. [2023-11-06 21:57:11,923 INFO L158 Benchmark]: Witness Printer took 60.94ms. Allocated memory is still 172.0MB. Free memory was 93.6MB in the beginning and 90.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 21:57:11,925 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 109.1MB. Free memory was 65.7MB in the beginning and 65.5MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 645.52ms. Allocated memory is still 140.5MB. Free memory was 108.7MB in the beginning and 89.6MB in the end (delta: 19.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.75ms. Allocated memory is still 140.5MB. Free memory was 89.6MB in the beginning and 86.3MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.48ms. Allocated memory is still 140.5MB. Free memory was 86.3MB in the beginning and 83.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 813.91ms. Allocated memory is still 140.5MB. Free memory was 83.8MB in the beginning and 107.8MB in the end (delta: -23.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 3054.54ms. Allocated memory was 140.5MB in the beginning and 172.0MB in the end (delta: 31.5MB). Free memory was 107.3MB in the beginning and 93.6MB in the end (delta: 13.8MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. * Witness Printer took 60.94ms. Allocated memory is still 172.0MB. Free memory was 93.6MB in the beginning and 90.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. 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: 267]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [267] - GenericResultAtLocation [Line: 337]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [337] - GenericResultAtLocation [Line: 388]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [388] - GenericResultAtLocation [Line: 426]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [426] - GenericResultAtLocation [Line: 792]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [792] - GenericResultAtLocation [Line: 801]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [801] - GenericResultAtLocation [Line: 898]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [898] * 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 5 locations. The remainder module has 285 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 218 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, 710 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 710 mSDsluCounter, 1340 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 808 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 129 IncrementalHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 532 mSDtfsCounter, 129 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 281]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L60] int pumpRunning = 0; [L61] int systemActive = 1; [L340] int switchedOnBeforeTS ; [L596] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L802] int cleanupTimeShifts = 4; [L899] int waterLevel = 1; [L900] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L876] int retValue_acc ; [L877] int tmp ; [L881] FCALL select_helpers() [L882] FCALL select_features() [L883] CALL, EXPR valid_product() [L418] int retValue_acc ; [L421] retValue_acc = 1 [L422] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L883] RET, EXPR valid_product() [L883] tmp = valid_product() [L885] COND TRUE \read(tmp) [L887] FCALL setup() [L888] CALL runTest() [L869] CALL __utac_acc__Specification5_spec__1() [L345] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L869] RET __utac_acc__Specification5_spec__1() [L870] CALL test() [L272] int splverifierCounter ; [L273] int tmp ; [L274] int tmp___0 ; [L275] int tmp___1 ; [L276] int tmp___2 ; [L279] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L281] COND TRUE 1 [L283] COND TRUE splverifierCounter < 4 [L289] tmp = __VERIFIER_nondet_int() [L291] COND FALSE !(\read(tmp)) [L299] tmp___0 = __VERIFIER_nondet_int() [L301] COND FALSE !(\read(tmp___0)) [L309] tmp___2 = __VERIFIER_nondet_int() [L311] COND TRUE \read(tmp___2) [L313] CALL startSystem() [L263] systemActive = 1 [L313] RET startSystem() [L326] CALL timeShift() [L70] CALL __utac_acc__Specification5_spec__2() [L354] CALL, EXPR isPumpRunning() [L196] int retValue_acc ; [L199] retValue_acc = pumpRunning [L200] return (retValue_acc); [L354] RET, EXPR isPumpRunning() [L354] switchedOnBeforeTS = isPumpRunning() [L70] RET __utac_acc__Specification5_spec__2() [L72] COND FALSE !(\read(pumpRunning)) [L79] COND TRUE \read(systemActive) [L81] CALL processEnvironment() [L127] int tmp ; [L130] COND FALSE !(\read(pumpRunning)) [L145] CALL processEnvironment__wrappee__methaneQuery() [L101] int tmp ; [L104] COND FALSE !(\read(pumpRunning)) [L119] FCALL processEnvironment__wrappee__base() [L145] RET processEnvironment__wrappee__methaneQuery() [L81] RET processEnvironment() [L87] CALL __utac_acc__Specification5_spec__3() [L360] int tmp ; [L361] int tmp___0 ; [L365] CALL, EXPR getWaterLevel() [L970] int retValue_acc ; [L973] retValue_acc = waterLevel [L974] return (retValue_acc); [L365] RET, EXPR getWaterLevel() [L365] tmp = getWaterLevel() [L367] COND TRUE tmp != 2 [L369] CALL, EXPR isPumpRunning() [L196] int retValue_acc ; [L199] retValue_acc = pumpRunning [L200] return (retValue_acc); [L369] RET, EXPR isPumpRunning() [L369] tmp___0 = isPumpRunning() [L371] COND FALSE !(\read(tmp___0)) [L87] RET __utac_acc__Specification5_spec__3() [L326] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 281]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L60] int pumpRunning = 0; [L61] int systemActive = 1; [L340] int switchedOnBeforeTS ; [L596] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L802] int cleanupTimeShifts = 4; [L899] int waterLevel = 1; [L900] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L876] int retValue_acc ; [L877] int tmp ; [L881] FCALL select_helpers() [L882] FCALL select_features() [L883] CALL, EXPR valid_product() [L418] int retValue_acc ; [L421] retValue_acc = 1 [L422] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L883] RET, EXPR valid_product() [L883] tmp = valid_product() [L885] COND TRUE \read(tmp) [L887] FCALL setup() [L888] CALL runTest() [L869] CALL __utac_acc__Specification5_spec__1() [L345] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L869] RET __utac_acc__Specification5_spec__1() [L870] CALL test() [L272] int splverifierCounter ; [L273] int tmp ; [L274] int tmp___0 ; [L275] int tmp___1 ; [L276] int tmp___2 ; [L279] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L281] COND TRUE 1 [L283] COND TRUE splverifierCounter < 4 [L289] tmp = __VERIFIER_nondet_int() [L291] COND FALSE !(\read(tmp)) [L299] tmp___0 = __VERIFIER_nondet_int() [L301] COND FALSE !(\read(tmp___0)) [L309] tmp___2 = __VERIFIER_nondet_int() [L311] COND TRUE \read(tmp___2) [L313] CALL startSystem() [L263] systemActive = 1 [L313] RET startSystem() [L326] CALL timeShift() [L70] CALL __utac_acc__Specification5_spec__2() [L354] CALL, EXPR isPumpRunning() [L196] int retValue_acc ; [L199] retValue_acc = pumpRunning [L200] return (retValue_acc); [L354] RET, EXPR isPumpRunning() [L354] switchedOnBeforeTS = isPumpRunning() [L70] RET __utac_acc__Specification5_spec__2() [L72] COND FALSE !(\read(pumpRunning)) [L79] COND TRUE \read(systemActive) [L81] CALL processEnvironment() [L127] int tmp ; [L130] COND FALSE !(\read(pumpRunning)) [L145] CALL processEnvironment__wrappee__methaneQuery() [L101] int tmp ; [L104] COND FALSE !(\read(pumpRunning)) [L119] FCALL processEnvironment__wrappee__base() [L145] RET processEnvironment__wrappee__methaneQuery() [L81] RET processEnvironment() [L87] CALL __utac_acc__Specification5_spec__3() [L360] int tmp ; [L361] int tmp___0 ; [L365] CALL, EXPR getWaterLevel() [L970] int retValue_acc ; [L973] retValue_acc = waterLevel [L974] return (retValue_acc); [L365] RET, EXPR getWaterLevel() [L365] tmp = getWaterLevel() [L367] COND TRUE tmp != 2 [L369] CALL, EXPR isPumpRunning() [L196] int retValue_acc ; [L199] retValue_acc = pumpRunning [L200] return (retValue_acc); [L369] RET, EXPR isPumpRunning() [L369] tmp___0 = isPumpRunning() [L371] COND FALSE !(\read(tmp___0)) [L87] RET __utac_acc__Specification5_spec__3() [L326] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-06 21:57:11,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeaee1ec-0d7e-4404-aea4-4e7c73898d83/bin/uautomizer-verify-WvqO1wxjHP/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)