./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product12.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30e01a73 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_d565f468-c7fa-4bfc-9a53-94ec72a5c0c5/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d565f468-c7fa-4bfc-9a53-94ec72a5c0c5/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d565f468-c7fa-4bfc-9a53-94ec72a5c0c5/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d565f468-c7fa-4bfc-9a53-94ec72a5c0c5/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product12.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d565f468-c7fa-4bfc-9a53-94ec72a5c0c5/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d565f468-c7fa-4bfc-9a53-94ec72a5c0c5/bin/uautomizer-verify-zZY32mL2XJ --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 a08a330faab409752e65fe7d3101f81f24601e18bc944ca2e918542b1c9d8232 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:34:56,426 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:34:56,546 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d565f468-c7fa-4bfc-9a53-94ec72a5c0c5/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-23 21:34:56,554 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:34:56,555 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:34:56,597 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:34:56,598 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:34:56,598 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:34:56,600 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 21:34:56,605 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 21:34:56,607 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 21:34:56,607 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 21:34:56,608 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 21:34:56,610 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-23 21:34:56,611 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-23 21:34:56,611 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-23 21:34:56,612 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-23 21:34:56,612 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-23 21:34:56,613 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-23 21:34:56,614 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:34:56,614 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-23 21:34:56,615 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:34:56,615 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:34:56,616 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:34:56,617 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:34:56,617 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-23 21:34:56,618 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-23 21:34:56,618 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-23 21:34:56,619 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:34:56,619 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:34:56,621 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:34:56,621 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-23 21:34:56,622 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:34:56,622 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:34:56,622 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:34:56,623 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:34:56,623 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 21:34:56,623 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-23 21:34:56,624 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_d565f468-c7fa-4bfc-9a53-94ec72a5c0c5/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d565f468-c7fa-4bfc-9a53-94ec72a5c0c5/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a08a330faab409752e65fe7d3101f81f24601e18bc944ca2e918542b1c9d8232 [2023-11-23 21:34:56,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:34:57,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:34:57,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:34:57,011 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:34:57,013 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:34:57,014 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d565f468-c7fa-4bfc-9a53-94ec72a5c0c5/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/product-lines/minepump_spec5_product12.cil.c [2023-11-23 21:35:00,067 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:35:00,359 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:35:00,360 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d565f468-c7fa-4bfc-9a53-94ec72a5c0c5/sv-benchmarks/c/product-lines/minepump_spec5_product12.cil.c [2023-11-23 21:35:00,382 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d565f468-c7fa-4bfc-9a53-94ec72a5c0c5/bin/uautomizer-verify-zZY32mL2XJ/data/70c7eea4c/b9e566aea0e44370a320fcfb943ab705/FLAG01bec6a01 [2023-11-23 21:35:00,395 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d565f468-c7fa-4bfc-9a53-94ec72a5c0c5/bin/uautomizer-verify-zZY32mL2XJ/data/70c7eea4c/b9e566aea0e44370a320fcfb943ab705 [2023-11-23 21:35:00,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:35:00,399 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:35:00,401 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:35:00,402 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:35:00,407 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:35:00,408 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:35:00" (1/1) ... [2023-11-23 21:35:00,409 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45af9f9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:35:00, skipping insertion in model container [2023-11-23 21:35:00,409 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:35:00" (1/1) ... [2023-11-23 21:35:00,479 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:35:00,783 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:35:00,805 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:35:00,816 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [49] [2023-11-23 21:35:00,818 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [101] [2023-11-23 21:35:00,819 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [261] [2023-11-23 21:35:00,819 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [343] [2023-11-23 21:35:00,819 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [413] [2023-11-23 21:35:00,819 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [422] [2023-11-23 21:35:00,820 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [522] [2023-11-23 21:35:00,821 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [888] [2023-11-23 21:35:00,918 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:35:00,939 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:35:00,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:35:00 WrapperNode [2023-11-23 21:35:00,940 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:35:00,941 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:35:00,942 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:35:00,942 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:35:00,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:35:00" (1/1) ... [2023-11-23 21:35:00,964 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:35:00" (1/1) ... [2023-11-23 21:35:00,996 INFO L138 Inliner]: procedures = 54, calls = 97, calls flagged for inlining = 50, calls inlined = 45, statements flattened = 278 [2023-11-23 21:35:00,996 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:35:00,997 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:35:00,997 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:35:00,998 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:35:01,010 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:35:00" (1/1) ... [2023-11-23 21:35:01,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:35:00" (1/1) ... [2023-11-23 21:35:01,013 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:35:00" (1/1) ... [2023-11-23 21:35:01,026 INFO L189 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-23 21:35:01,027 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:35:00" (1/1) ... [2023-11-23 21:35:01,027 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:35:00" (1/1) ... [2023-11-23 21:35:01,037 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:35:00" (1/1) ... [2023-11-23 21:35:01,048 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:35:00" (1/1) ... [2023-11-23 21:35:01,050 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:35:00" (1/1) ... [2023-11-23 21:35:01,051 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:35:00" (1/1) ... [2023-11-23 21:35:01,054 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:35:01,055 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:35:01,055 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:35:01,055 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:35:01,056 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:35:00" (1/1) ... [2023-11-23 21:35:01,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 21:35:01,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d565f468-c7fa-4bfc-9a53-94ec72a5c0c5/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:35:01,093 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d565f468-c7fa-4bfc-9a53-94ec72a5c0c5/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 21:35:01,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d565f468-c7fa-4bfc-9a53-94ec72a5c0c5/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-23 21:35:01,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:35:01,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-23 21:35:01,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:35:01,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:35:01,219 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:35:01,222 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:35:01,486 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:35:01,498 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:35:01,498 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 21:35:01,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:35:01 BoogieIcfgContainer [2023-11-23 21:35:01,500 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:35:01,501 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-23 21:35:01,501 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-23 21:35:01,505 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-23 21:35:01,506 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-23 21:35:01,506 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 09:35:00" (1/3) ... [2023-11-23 21:35:01,507 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@353fe691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 09:35:01, skipping insertion in model container [2023-11-23 21:35:01,507 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-23 21:35:01,507 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:35:00" (2/3) ... [2023-11-23 21:35:01,508 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@353fe691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 09:35:01, skipping insertion in model container [2023-11-23 21:35:01,508 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-23 21:35:01,508 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:35:01" (3/3) ... [2023-11-23 21:35:01,510 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product12.cil.c [2023-11-23 21:35:01,573 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-23 21:35:01,592 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-23 21:35:01,592 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-23 21:35:01,592 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-23 21:35:01,593 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-23 21:35:01,593 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-23 21:35:01,593 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-23 21:35:01,593 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-23 21:35:01,602 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 93 states, 92 states have (on average 1.3478260869565217) internal successors, (124), 92 states have internal predecessors, (124), 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) [2023-11-23 21:35:01,636 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 59 [2023-11-23 21:35:01,636 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-23 21:35:01,636 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-23 21:35:01,644 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:35:01,644 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] [2023-11-23 21:35:01,644 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-23 21:35:01,646 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 93 states, 92 states have (on average 1.3478260869565217) internal successors, (124), 92 states have internal predecessors, (124), 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) [2023-11-23 21:35:01,662 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 59 [2023-11-23 21:35:01,662 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-23 21:35:01,663 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-23 21:35:01,666 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:35:01,666 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] [2023-11-23 21:35:01,672 INFO L748 eck$LassoCheckResult]: Stem: 41#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 47#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret26#1, main_~retValue_acc~4#1, main_~tmp~3#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 33#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 46#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 29#valid_product_returnLabel#1true main_#t~ret26#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret26#1;havoc main_#t~ret26#1; 55#L509true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 5#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; 67#__utac_acc__Specification5_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 23#L355-2true [2023-11-23 21:35:01,675 INFO L750 eck$LassoCheckResult]: Loop: 23#L355-2true assume !false; 28#L356true assume test_~splverifierCounter~0#1 < 4; 78#L357true havoc test_#t~nondet22#1;test_~tmp~2#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 74#L365true assume !(0 != test_~tmp~2#1); 84#L365-2true havoc test_#t~nondet23#1;test_~tmp___0~1#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 16#L375true assume !(0 != test_~tmp___0~1#1); 49#L375-2true havoc test_#t~nondet24#1;test_~tmp___2~0#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 20#L385true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 75#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 56#L393-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#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; 59#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1; 17#__utac_acc__Specification5_spec__2_returnLabel#1true havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 38#L121true assume !(0 != ~pumpRunning~0); 11#L121-2true assume !(0 != ~systemActive~0); 27#L128-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; 85#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1; 14#L80true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1); 61#L80-1true havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 86#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 23#L355-2true [2023-11-23 21:35:01,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:35:01,682 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2023-11-23 21:35:01,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:35:01,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718627358] [2023-11-23 21:35:01,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:35:01,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:35:01,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:35:01,837 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:35:01,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:35:01,888 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 21:35:01,891 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:35:01,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1263780397, now seen corresponding path program 1 times [2023-11-23 21:35:01,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:35:01,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742179755] [2023-11-23 21:35:01,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:35:01,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:35:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:02,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:35:02,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:35:02,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742179755] [2023-11-23 21:35:02,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742179755] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:35:02,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:35:02,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:35:02,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458003480] [2023-11-23 21:35:02,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:35:02,039 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-23 21:35:02,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:35:02,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:35:02,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:35:02,083 INFO L87 Difference]: Start difference. First operand has 93 states, 92 states have (on average 1.3478260869565217) internal successors, (124), 92 states have internal predecessors, (124), 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) [2023-11-23 21:35:02,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:35:02,139 INFO L93 Difference]: Finished difference Result 164 states and 208 transitions. [2023-11-23 21:35:02,141 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 164 states and 208 transitions. [2023-11-23 21:35:02,146 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 104 [2023-11-23 21:35:02,153 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 164 states to 144 states and 187 transitions. [2023-11-23 21:35:02,154 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 144 [2023-11-23 21:35:02,158 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 144 [2023-11-23 21:35:02,160 INFO L73 IsDeterministic]: Start isDeterministic. Operand 144 states and 187 transitions. [2023-11-23 21:35:02,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 21:35:02,163 INFO L218 hiAutomatonCegarLoop]: Abstraction has 144 states and 187 transitions. [2023-11-23 21:35:02,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states and 187 transitions. [2023-11-23 21:35:02,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 141. [2023-11-23 21:35:02,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 141 states have (on average 1.297872340425532) internal successors, (183), 140 states have internal predecessors, (183), 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) [2023-11-23 21:35:02,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 183 transitions. [2023-11-23 21:35:02,214 INFO L240 hiAutomatonCegarLoop]: Abstraction has 141 states and 183 transitions. [2023-11-23 21:35:02,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:35:02,220 INFO L428 stractBuchiCegarLoop]: Abstraction has 141 states and 183 transitions. [2023-11-23 21:35:02,220 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-23 21:35:02,220 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 141 states and 183 transitions. [2023-11-23 21:35:02,223 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 101 [2023-11-23 21:35:02,223 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-23 21:35:02,224 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-23 21:35:02,224 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:35:02,225 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] [2023-11-23 21:35:02,225 INFO L748 eck$LassoCheckResult]: Stem: 320#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 321#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret26#1, main_~retValue_acc~4#1, main_~tmp~3#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 310#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 311#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 306#valid_product_returnLabel#1 main_#t~ret26#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret26#1;havoc main_#t~ret26#1; 307#L509 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 268#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; 269#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 341#L355-2 [2023-11-23 21:35:02,225 INFO L750 eck$LassoCheckResult]: Loop: 341#L355-2 assume !false; 357#L356 assume test_~splverifierCounter~0#1 < 4; 358#L357 havoc test_#t~nondet22#1;test_~tmp~2#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 381#L365 assume !(0 != test_~tmp~2#1); 379#L365-2 havoc test_#t~nondet23#1;test_~tmp___0~1#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 377#L375 assume !(0 != test_~tmp___0~1#1); 375#L375-2 havoc test_#t~nondet24#1;test_~tmp___2~0#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 374#L385 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 293#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 346#L393-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#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~ret4#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1; 371#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 369#L121 assume !(0 != ~pumpRunning~0); 367#L121-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 366#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 365#L128-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; 350#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1; 282#L80 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1); 284#L80-1 havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 339#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 341#L355-2 [2023-11-23 21:35:02,226 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:35:02,226 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2023-11-23 21:35:02,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:35:02,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409592524] [2023-11-23 21:35:02,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:35:02,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:35:02,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:35:02,242 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:35:02,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:35:02,259 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 21:35:02,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:35:02,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1150327995, now seen corresponding path program 1 times [2023-11-23 21:35:02,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:35:02,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069278218] [2023-11-23 21:35:02,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:35:02,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:35:02,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:35:02,275 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:35:02,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:35:02,290 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 21:35:02,291 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:35:02,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1772113628, now seen corresponding path program 1 times [2023-11-23 21:35:02,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:35:02,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596028660] [2023-11-23 21:35:02,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:35:02,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:35:02,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:02,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:35:02,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:35:02,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596028660] [2023-11-23 21:35:02,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596028660] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:35:02,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:35:02,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:35:02,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550312916] [2023-11-23 21:35:02,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:35:02,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:35:02,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:35:02,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:35:02,650 INFO L87 Difference]: Start difference. First operand 141 states and 183 transitions. cyclomatic complexity: 45 Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 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) [2023-11-23 21:35:02,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:35:02,848 INFO L93 Difference]: Finished difference Result 367 states and 473 transitions. [2023-11-23 21:35:02,848 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 367 states and 473 transitions. [2023-11-23 21:35:02,857 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 247 [2023-11-23 21:35:02,865 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 367 states to 367 states and 473 transitions. [2023-11-23 21:35:02,868 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 367 [2023-11-23 21:35:02,870 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 367 [2023-11-23 21:35:02,871 INFO L73 IsDeterministic]: Start isDeterministic. Operand 367 states and 473 transitions. [2023-11-23 21:35:02,878 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 21:35:02,879 INFO L218 hiAutomatonCegarLoop]: Abstraction has 367 states and 473 transitions. [2023-11-23 21:35:02,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states and 473 transitions. [2023-11-23 21:35:02,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 272. [2023-11-23 21:35:02,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 272 states have (on average 1.2794117647058822) internal successors, (348), 271 states have internal predecessors, (348), 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) [2023-11-23 21:35:02,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 348 transitions. [2023-11-23 21:35:02,919 INFO L240 hiAutomatonCegarLoop]: Abstraction has 272 states and 348 transitions. [2023-11-23 21:35:02,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:35:02,920 INFO L428 stractBuchiCegarLoop]: Abstraction has 272 states and 348 transitions. [2023-11-23 21:35:02,920 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-23 21:35:02,921 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 272 states and 348 transitions. [2023-11-23 21:35:02,925 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 200 [2023-11-23 21:35:02,925 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-23 21:35:02,925 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-23 21:35:02,927 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:35:02,927 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] [2023-11-23 21:35:02,927 INFO L748 eck$LassoCheckResult]: Stem: 846#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 847#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret26#1, main_~retValue_acc~4#1, main_~tmp~3#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 832#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 833#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 828#valid_product_returnLabel#1 main_#t~ret26#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret26#1;havoc main_#t~ret26#1; 829#L509 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 790#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; 791#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 874#L355-2 [2023-11-23 21:35:02,928 INFO L750 eck$LassoCheckResult]: Loop: 874#L355-2 assume !false; 1001#L356 assume test_~splverifierCounter~0#1 < 4; 999#L357 havoc test_#t~nondet22#1;test_~tmp~2#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 996#L365 assume !(0 != test_~tmp~2#1); 997#L365-2 havoc test_#t~nondet23#1;test_~tmp___0~1#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 1040#L375 assume !(0 != test_~tmp___0~1#1); 1029#L375-2 havoc test_#t~nondet24#1;test_~tmp___2~0#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 1018#L385 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 883#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 884#L393-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#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; 1016#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1; 1015#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1013#L121 assume !(0 != ~pumpRunning~0); 1012#L121-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 1010#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 1009#L128-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; 885#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1; 886#L80 assume 2 != __utac_acc__Specification5_spec__3_~tmp~0#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; 1008#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret6#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret6#1;havoc __utac_acc__Specification5_spec__3_#t~ret6#1; 1007#L84 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1); 1005#L80-1 havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1004#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 874#L355-2 [2023-11-23 21:35:02,928 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:35:02,929 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2023-11-23 21:35:02,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:35:02,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751658174] [2023-11-23 21:35:02,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:35:02,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:35:02,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:35:02,955 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:35:02,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:35:02,974 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 21:35:02,980 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:35:02,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1637602390, now seen corresponding path program 1 times [2023-11-23 21:35:02,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:35:02,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620368456] [2023-11-23 21:35:02,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:35:02,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:35:02,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:35:02,992 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:35:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:35:03,019 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 21:35:03,020 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:35:03,021 INFO L85 PathProgramCache]: Analyzing trace with hash 2079814271, now seen corresponding path program 1 times [2023-11-23 21:35:03,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:35:03,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485904548] [2023-11-23 21:35:03,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:35:03,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:35:03,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:35:03,056 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:35:03,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:35:03,081 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 21:35:04,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:35:04,340 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:35:04,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:35:04,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 09:35:04 BoogieIcfgContainer [2023-11-23 21:35:04,416 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-23 21:35:04,417 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:35:04,417 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:35:04,417 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:35:04,418 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:35:01" (3/4) ... [2023-11-23 21:35:04,419 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-23 21:35:04,500 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d565f468-c7fa-4bfc-9a53-94ec72a5c0c5/bin/uautomizer-verify-zZY32mL2XJ/witness.graphml [2023-11-23 21:35:04,500 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:35:04,501 INFO L158 Benchmark]: Toolchain (without parser) took 4102.04ms. Allocated memory is still 174.1MB. Free memory was 127.0MB in the beginning and 109.4MB in the end (delta: 17.6MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2023-11-23 21:35:04,504 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 121.6MB. Free memory was 86.0MB in the beginning and 86.0MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:35:04,505 INFO L158 Benchmark]: CACSL2BoogieTranslator took 539.11ms. Allocated memory is still 174.1MB. Free memory was 127.0MB in the beginning and 108.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 21:35:04,505 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.27ms. Allocated memory is still 174.1MB. Free memory was 108.1MB in the beginning and 106.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:35:04,506 INFO L158 Benchmark]: Boogie Preprocessor took 57.01ms. Allocated memory is still 174.1MB. Free memory was 106.0MB in the beginning and 103.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:35:04,507 INFO L158 Benchmark]: RCFGBuilder took 445.20ms. Allocated memory is still 174.1MB. Free memory was 103.1MB in the beginning and 87.1MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 21:35:04,507 INFO L158 Benchmark]: BuchiAutomizer took 2915.34ms. Allocated memory is still 174.1MB. Free memory was 87.1MB in the beginning and 112.5MB in the end (delta: -25.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:35:04,508 INFO L158 Benchmark]: Witness Printer took 83.92ms. Allocated memory is still 174.1MB. Free memory was 112.5MB in the beginning and 109.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:35:04,513 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 121.6MB. Free memory was 86.0MB in the beginning and 86.0MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 539.11ms. Allocated memory is still 174.1MB. Free memory was 127.0MB in the beginning and 108.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.27ms. Allocated memory is still 174.1MB. Free memory was 108.1MB in the beginning and 106.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.01ms. Allocated memory is still 174.1MB. Free memory was 106.0MB in the beginning and 103.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 445.20ms. Allocated memory is still 174.1MB. Free memory was 103.1MB in the beginning and 87.1MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 2915.34ms. Allocated memory is still 174.1MB. Free memory was 87.1MB in the beginning and 112.5MB in the end (delta: -25.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 83.92ms. Allocated memory is still 174.1MB. Free memory was 112.5MB in the beginning and 109.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [49] - GenericResultAtLocation [Line: 101]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [101] - GenericResultAtLocation [Line: 261]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [261] - GenericResultAtLocation [Line: 343]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [343] - GenericResultAtLocation [Line: 413]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [413] - GenericResultAtLocation [Line: 422]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [422] - GenericResultAtLocation [Line: 522]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [522] - GenericResultAtLocation [Line: 888]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [888] * 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 272 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. 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, 98 StatesRemovedByMinimization, 2 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, 300 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 300 mSDsluCounter, 656 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 418 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 86 IncrementalHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 238 mSDtfsCounter, 86 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: 355]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L53] int switchedOnBeforeTS ; [L111] int pumpRunning = 0; [L112] int systemActive = 1; [L264] int waterLevel = 1; [L265] int methaneLevelCritical = 0; [L423] int cleanupTimeShifts = 4; [L692] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L500] int retValue_acc ; [L501] int tmp ; [L505] FCALL select_helpers() [L506] FCALL select_features() [L507] CALL, EXPR valid_product() [L915] int retValue_acc ; [L918] retValue_acc = 1 [L919] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L507] RET, EXPR valid_product() [L507] tmp = valid_product() [L509] COND TRUE \read(tmp) [L511] FCALL setup() [L512] CALL runTest() [L490] CALL __utac_acc__Specification5_spec__1() [L58] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L490] RET __utac_acc__Specification5_spec__1() [L491] CALL test() [L346] int splverifierCounter ; [L347] int tmp ; [L348] int tmp___0 ; [L349] int tmp___1 ; [L350] int tmp___2 ; [L353] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L355] COND TRUE 1 [L357] COND TRUE splverifierCounter < 4 [L363] tmp = __VERIFIER_nondet_int() [L365] COND FALSE !(\read(tmp)) [L373] tmp___0 = __VERIFIER_nondet_int() [L375] COND FALSE !(\read(tmp___0)) [L383] tmp___2 = __VERIFIER_nondet_int() [L385] COND TRUE \read(tmp___2) [L387] CALL startSystem() [L257] systemActive = 1 [L387] RET startSystem() [L402] CALL timeShift() [L119] CALL __utac_acc__Specification5_spec__2() [L67] CALL, EXPR isPumpRunning() [L194] int retValue_acc ; [L197] retValue_acc = pumpRunning [L198] return (retValue_acc); [L67] RET, EXPR isPumpRunning() [L67] switchedOnBeforeTS = isPumpRunning() [L119] RET __utac_acc__Specification5_spec__2() [L121] COND FALSE !(\read(pumpRunning)) [L128] COND TRUE \read(systemActive) [L130] FCALL processEnvironment() [L136] CALL __utac_acc__Specification5_spec__3() [L73] int tmp ; [L74] int tmp___0 ; [L78] CALL, EXPR getWaterLevel() [L335] int retValue_acc ; [L338] retValue_acc = waterLevel [L339] return (retValue_acc); [L78] RET, EXPR getWaterLevel() [L78] tmp = getWaterLevel() [L80] COND TRUE tmp != 2 [L82] CALL, EXPR isPumpRunning() [L194] int retValue_acc ; [L197] retValue_acc = pumpRunning [L198] return (retValue_acc); [L82] RET, EXPR isPumpRunning() [L82] tmp___0 = isPumpRunning() [L84] COND FALSE !(\read(tmp___0)) [L136] RET __utac_acc__Specification5_spec__3() [L402] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 355]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L53] int switchedOnBeforeTS ; [L111] int pumpRunning = 0; [L112] int systemActive = 1; [L264] int waterLevel = 1; [L265] int methaneLevelCritical = 0; [L423] int cleanupTimeShifts = 4; [L692] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L500] int retValue_acc ; [L501] int tmp ; [L505] FCALL select_helpers() [L506] FCALL select_features() [L507] CALL, EXPR valid_product() [L915] int retValue_acc ; [L918] retValue_acc = 1 [L919] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L507] RET, EXPR valid_product() [L507] tmp = valid_product() [L509] COND TRUE \read(tmp) [L511] FCALL setup() [L512] CALL runTest() [L490] CALL __utac_acc__Specification5_spec__1() [L58] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L490] RET __utac_acc__Specification5_spec__1() [L491] CALL test() [L346] int splverifierCounter ; [L347] int tmp ; [L348] int tmp___0 ; [L349] int tmp___1 ; [L350] int tmp___2 ; [L353] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L355] COND TRUE 1 [L357] COND TRUE splverifierCounter < 4 [L363] tmp = __VERIFIER_nondet_int() [L365] COND FALSE !(\read(tmp)) [L373] tmp___0 = __VERIFIER_nondet_int() [L375] COND FALSE !(\read(tmp___0)) [L383] tmp___2 = __VERIFIER_nondet_int() [L385] COND TRUE \read(tmp___2) [L387] CALL startSystem() [L257] systemActive = 1 [L387] RET startSystem() [L402] CALL timeShift() [L119] CALL __utac_acc__Specification5_spec__2() [L67] CALL, EXPR isPumpRunning() [L194] int retValue_acc ; [L197] retValue_acc = pumpRunning [L198] return (retValue_acc); [L67] RET, EXPR isPumpRunning() [L67] switchedOnBeforeTS = isPumpRunning() [L119] RET __utac_acc__Specification5_spec__2() [L121] COND FALSE !(\read(pumpRunning)) [L128] COND TRUE \read(systemActive) [L130] FCALL processEnvironment() [L136] CALL __utac_acc__Specification5_spec__3() [L73] int tmp ; [L74] int tmp___0 ; [L78] CALL, EXPR getWaterLevel() [L335] int retValue_acc ; [L338] retValue_acc = waterLevel [L339] return (retValue_acc); [L78] RET, EXPR getWaterLevel() [L78] tmp = getWaterLevel() [L80] COND TRUE tmp != 2 [L82] CALL, EXPR isPumpRunning() [L194] int retValue_acc ; [L197] retValue_acc = pumpRunning [L198] return (retValue_acc); [L82] RET, EXPR isPumpRunning() [L82] tmp___0 = isPumpRunning() [L84] COND FALSE !(\read(tmp___0)) [L136] RET __utac_acc__Specification5_spec__3() [L402] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-23 21:35:04,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d565f468-c7fa-4bfc-9a53-94ec72a5c0c5/bin/uautomizer-verify-zZY32mL2XJ/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)