./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df50cd2-f0e4-4868-bae6-a85b2ae40f8d/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df50cd2-f0e4-4868-bae6-a85b2ae40f8d/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df50cd2-f0e4-4868-bae6-a85b2ae40f8d/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df50cd2-f0e4-4868-bae6-a85b2ae40f8d/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df50cd2-f0e4-4868-bae6-a85b2ae40f8d/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df50cd2-f0e4-4868-bae6-a85b2ae40f8d/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 55e5a3fffd3d06d466040a49171ceaa2c85a9bef51e649104f1e437fbb462cec --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:33:45,125 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:33:45,270 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df50cd2-f0e4-4868-bae6-a85b2ae40f8d/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 07:33:45,281 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:33:45,282 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:33:45,329 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:33:45,331 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:33:45,332 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:33:45,334 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:33:45,340 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:33:45,341 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:33:45,342 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:33:45,343 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:33:45,345 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:33:45,345 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:33:45,346 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:33:45,346 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:33:45,348 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:33:45,349 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:33:45,349 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:33:45,350 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:33:45,351 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:33:45,351 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:33:45,352 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:33:45,352 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:33:45,353 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:33:45,354 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:33:45,354 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:33:45,355 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:33:45,355 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:33:45,357 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:33:45,358 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:33:45,358 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:33:45,359 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:33:45,359 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:33:45,360 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:33:45,360 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_8df50cd2-f0e4-4868-bae6-a85b2ae40f8d/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df50cd2-f0e4-4868-bae6-a85b2ae40f8d/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55e5a3fffd3d06d466040a49171ceaa2c85a9bef51e649104f1e437fbb462cec [2023-11-19 07:33:45,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:33:45,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:33:45,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:33:45,775 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:33:45,776 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:33:45,777 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df50cd2-f0e4-4868-bae6-a85b2ae40f8d/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2023-11-19 07:33:49,001 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:33:49,268 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:33:49,269 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df50cd2-f0e4-4868-bae6-a85b2ae40f8d/sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2023-11-19 07:33:49,284 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df50cd2-f0e4-4868-bae6-a85b2ae40f8d/bin/uautomizer-verify-uCwYo4JHxu/data/f870dba0d/acef3db51ba24df79bf392321eee7472/FLAGbe4c23cc4 [2023-11-19 07:33:49,306 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df50cd2-f0e4-4868-bae6-a85b2ae40f8d/bin/uautomizer-verify-uCwYo4JHxu/data/f870dba0d/acef3db51ba24df79bf392321eee7472 [2023-11-19 07:33:49,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:33:49,319 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:33:49,320 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:33:49,320 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:33:49,332 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:33:49,333 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:33:49" (1/1) ... [2023-11-19 07:33:49,335 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a82ed6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:49, skipping insertion in model container [2023-11-19 07:33:49,336 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:33:49" (1/1) ... [2023-11-19 07:33:49,384 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:33:49,669 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:33:49,689 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:33:49,705 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2023-11-19 07:33:49,706 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [58] [2023-11-19 07:33:49,707 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [424] [2023-11-19 07:33:49,707 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [452] [2023-11-19 07:33:49,707 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [490] [2023-11-19 07:33:49,707 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [693] [2023-11-19 07:33:49,708 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [784] [2023-11-19 07:33:49,708 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [881] [2023-11-19 07:33:49,817 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:33:49,844 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:33:49,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:49 WrapperNode [2023-11-19 07:33:49,845 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:33:49,846 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:33:49,847 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:33:49,847 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:33:49,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:49" (1/1) ... [2023-11-19 07:33:49,886 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:49" (1/1) ... [2023-11-19 07:33:49,914 INFO L138 Inliner]: procedures = 55, calls = 99, calls flagged for inlining = 52, calls inlined = 53, statements flattened = 337 [2023-11-19 07:33:49,915 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:33:49,916 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:33:49,916 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:33:49,916 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:33:49,926 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:49" (1/1) ... [2023-11-19 07:33:49,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:49" (1/1) ... [2023-11-19 07:33:49,929 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:49" (1/1) ... [2023-11-19 07:33:49,929 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:49" (1/1) ... [2023-11-19 07:33:49,936 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:49" (1/1) ... [2023-11-19 07:33:49,941 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:49" (1/1) ... [2023-11-19 07:33:49,943 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:49" (1/1) ... [2023-11-19 07:33:49,945 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:49" (1/1) ... [2023-11-19 07:33:49,949 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:33:49,949 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:33:49,950 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:33:49,950 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:33:49,951 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:49" (1/1) ... [2023-11-19 07:33:49,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:33:49,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df50cd2-f0e4-4868-bae6-a85b2ae40f8d/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:33:49,985 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df50cd2-f0e4-4868-bae6-a85b2ae40f8d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:33:50,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df50cd2-f0e4-4868-bae6-a85b2ae40f8d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:33:50,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:33:50,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:33:50,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:33:50,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:33:50,137 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:33:50,139 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:33:50,531 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:33:50,542 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:33:50,542 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 07:33:50,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:33:50 BoogieIcfgContainer [2023-11-19 07:33:50,547 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:33:50,549 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:33:50,549 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:33:50,562 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:33:50,563 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:33:50,563 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:33:49" (1/3) ... [2023-11-19 07:33:50,564 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f8e2f1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:33:50, skipping insertion in model container [2023-11-19 07:33:50,565 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:33:50,565 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:49" (2/3) ... [2023-11-19 07:33:50,566 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f8e2f1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:33:50, skipping insertion in model container [2023-11-19 07:33:50,567 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:33:50,567 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:33:50" (3/3) ... [2023-11-19 07:33:50,569 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product28.cil.c [2023-11-19 07:33:50,646 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:33:50,646 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:33:50,646 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:33:50,646 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:33:50,647 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:33:50,647 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:33:50,647 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:33:50,647 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:33:50,654 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 110 states, 109 states have (on average 1.348623853211009) internal successors, (147), 109 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:33:50,688 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2023-11-19 07:33:50,689 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:33:50,689 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:33:50,697 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:33:50,697 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:33:50,697 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:33:50,698 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 110 states, 109 states have (on average 1.348623853211009) internal successors, (147), 109 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:33:50,716 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2023-11-19 07:33:50,717 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:33:50,717 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:33:50,718 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:33:50,718 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:33:50,732 INFO L748 eck$LassoCheckResult]: Stem: 28#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 33#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 24#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 90#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; 78#valid_product_returnLabel#1true main_#t~ret47#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret47#1;havoc main_#t~ret47#1; 27#L868true assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 63#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 92#L892-2true [2023-11-19 07:33:50,733 INFO L750 eck$LassoCheckResult]: Loop: 92#L892-2true assume !false; 71#L893true assume test_~splverifierCounter~0#1 < 4; 30#L894true havoc test_#t~nondet48#1;test_~tmp~8#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 84#L902true assume !(0 != test_~tmp~8#1); 93#L902-2true havoc test_#t~nondet49#1;test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 99#L912true assume !(0 != test_~tmp___0~2#1); 66#L912-2true havoc test_#t~nondet50#1;test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 105#L922true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 44#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 98#L930-2true assume { :begin_inline_timeShift } true; 29#L508true assume !(0 != ~pumpRunning~0); 76#L508-2true assume !(0 != ~systemActive~0); 17#L515-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 54#getWaterLevel_returnLabel#1true __utac_acc__Specification4_spec__1_#t~ret27#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret27#1;havoc __utac_acc__Specification4_spec__1_#t~ret27#1; 85#L435true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1); 109#L435-1true havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 55#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 92#L892-2true [2023-11-19 07:33:50,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:33:50,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2023-11-19 07:33:50,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:33:50,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225727203] [2023-11-19 07:33:50,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:33:50,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:33:50,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:33:50,921 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:33:50,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:33:50,964 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:33:50,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:33:50,968 INFO L85 PathProgramCache]: Analyzing trace with hash 341332259, now seen corresponding path program 1 times [2023-11-19 07:33:50,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:33:50,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410780991] [2023-11-19 07:33:50,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:33:50,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:33:50,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:51,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:33:51,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:33:51,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410780991] [2023-11-19 07:33:51,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410780991] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:33:51,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:33:51,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:33:51,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315576390] [2023-11-19 07:33:51,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:33:51,092 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:33:51,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:33:51,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:33:51,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:33:51,138 INFO L87 Difference]: Start difference. First operand has 110 states, 109 states have (on average 1.348623853211009) internal successors, (147), 109 states have internal predecessors, (147), 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 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:33:51,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:33:51,255 INFO L93 Difference]: Finished difference Result 199 states and 255 transitions. [2023-11-19 07:33:51,257 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 199 states and 255 transitions. [2023-11-19 07:33:51,271 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 128 [2023-11-19 07:33:51,278 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 199 states to 179 states and 234 transitions. [2023-11-19 07:33:51,279 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 179 [2023-11-19 07:33:51,280 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 179 [2023-11-19 07:33:51,281 INFO L73 IsDeterministic]: Start isDeterministic. Operand 179 states and 234 transitions. [2023-11-19 07:33:51,283 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:33:51,283 INFO L218 hiAutomatonCegarLoop]: Abstraction has 179 states and 234 transitions. [2023-11-19 07:33:51,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states and 234 transitions. [2023-11-19 07:33:51,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 176. [2023-11-19 07:33:51,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 176 states have (on average 1.3068181818181819) internal successors, (230), 175 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:33:51,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 230 transitions. [2023-11-19 07:33:51,347 INFO L240 hiAutomatonCegarLoop]: Abstraction has 176 states and 230 transitions. [2023-11-19 07:33:51,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:33:51,353 INFO L428 stractBuchiCegarLoop]: Abstraction has 176 states and 230 transitions. [2023-11-19 07:33:51,354 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:33:51,354 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 176 states and 230 transitions. [2023-11-19 07:33:51,357 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 125 [2023-11-19 07:33:51,357 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:33:51,358 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:33:51,359 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:33:51,359 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] [2023-11-19 07:33:51,359 INFO L748 eck$LassoCheckResult]: Stem: 393#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 394#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 382#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 383#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; 372#valid_product_returnLabel#1 main_#t~ret47#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret47#1;havoc main_#t~ret47#1; 373#L868 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 327#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 328#L892-2 [2023-11-19 07:33:51,359 INFO L750 eck$LassoCheckResult]: Loop: 328#L892-2 assume !false; 351#L893 assume test_~splverifierCounter~0#1 < 4; 352#L894 havoc test_#t~nondet48#1;test_~tmp~8#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 397#L902 assume !(0 != test_~tmp~8#1); 451#L902-2 havoc test_#t~nondet49#1;test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 449#L912 assume !(0 != test_~tmp___0~2#1); 447#L912-2 havoc test_#t~nondet50#1;test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 446#L922 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 416#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 417#L930-2 assume { :begin_inline_timeShift } true; 443#L508 assume !(0 != ~pumpRunning~0); 363#L508-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret30#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 364#L540 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 461#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 325#L540-1 havoc processEnvironment_#t~ret30#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true; 326#L515-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 369#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret27#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret27#1;havoc __utac_acc__Specification4_spec__1_#t~ret27#1; 388#L435 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1); 390#L435-1 havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 423#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 328#L892-2 [2023-11-19 07:33:51,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:33:51,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2023-11-19 07:33:51,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:33:51,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724797309] [2023-11-19 07:33:51,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:33:51,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:33:51,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:33:51,379 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:33:51,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:33:51,397 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:33:51,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:33:51,398 INFO L85 PathProgramCache]: Analyzing trace with hash -978247563, now seen corresponding path program 1 times [2023-11-19 07:33:51,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:33:51,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31380108] [2023-11-19 07:33:51,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:33:51,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:33:51,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:33:51,410 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:33:51,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:33:51,431 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:33:51,433 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:33:51,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1668721721, now seen corresponding path program 1 times [2023-11-19 07:33:51,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:33:51,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169142799] [2023-11-19 07:33:51,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:33:51,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:33:51,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:33:51,487 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:33:51,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:33:51,520 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:33:52,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:33:52,782 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:33:52,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:33:52,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:33:52 BoogieIcfgContainer [2023-11-19 07:33:52,840 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 07:33:52,840 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:33:52,841 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:33:52,841 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:33:52,841 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:33:50" (3/4) ... [2023-11-19 07:33:52,842 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-19 07:33:52,895 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df50cd2-f0e4-4868-bae6-a85b2ae40f8d/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:33:52,895 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:33:52,896 INFO L158 Benchmark]: Toolchain (without parser) took 3576.78ms. Allocated memory was 132.1MB in the beginning and 178.3MB in the end (delta: 46.1MB). Free memory was 85.7MB in the beginning and 54.5MB in the end (delta: 31.3MB). Peak memory consumption was 76.3MB. Max. memory is 16.1GB. [2023-11-19 07:33:52,896 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 132.1MB. Free memory is still 102.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:33:52,897 INFO L158 Benchmark]: CACSL2BoogieTranslator took 525.47ms. Allocated memory is still 132.1MB. Free memory was 85.7MB in the beginning and 66.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:33:52,897 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.66ms. Allocated memory is still 132.1MB. Free memory was 66.8MB in the beginning and 64.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:33:52,898 INFO L158 Benchmark]: Boogie Preprocessor took 33.04ms. Allocated memory is still 132.1MB. Free memory was 64.1MB in the beginning and 62.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:33:52,898 INFO L158 Benchmark]: RCFGBuilder took 598.05ms. Allocated memory was 132.1MB in the beginning and 178.3MB in the end (delta: 46.1MB). Free memory was 62.3MB in the beginning and 145.0MB in the end (delta: -82.6MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2023-11-19 07:33:52,899 INFO L158 Benchmark]: BuchiAutomizer took 2291.29ms. Allocated memory is still 178.3MB. Free memory was 145.0MB in the beginning and 57.6MB in the end (delta: 87.3MB). Peak memory consumption was 85.1MB. Max. memory is 16.1GB. [2023-11-19 07:33:52,899 INFO L158 Benchmark]: Witness Printer took 54.69ms. Allocated memory is still 178.3MB. Free memory was 57.6MB in the beginning and 54.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:33:52,902 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 132.1MB. Free memory is still 102.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 525.47ms. Allocated memory is still 132.1MB. Free memory was 85.7MB in the beginning and 66.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.66ms. Allocated memory is still 132.1MB. Free memory was 66.8MB in the beginning and 64.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.04ms. Allocated memory is still 132.1MB. Free memory was 64.1MB in the beginning and 62.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 598.05ms. Allocated memory was 132.1MB in the beginning and 178.3MB in the end (delta: 46.1MB). Free memory was 62.3MB in the beginning and 145.0MB in the end (delta: -82.6MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 2291.29ms. Allocated memory is still 178.3MB. Free memory was 145.0MB in the beginning and 57.6MB in the end (delta: 87.3MB). Peak memory consumption was 85.1MB. Max. memory is 16.1GB. * Witness Printer took 54.69ms. Allocated memory is still 178.3MB. Free memory was 57.6MB in the beginning and 54.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [58] - GenericResultAtLocation [Line: 424]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [424] - GenericResultAtLocation [Line: 452]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [452] - GenericResultAtLocation [Line: 490]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [490] - GenericResultAtLocation [Line: 693]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [693] - GenericResultAtLocation [Line: 784]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [784] - GenericResultAtLocation [Line: 881]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [881] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 176 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 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, 124 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 124 mSDsluCounter, 248 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 117 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 131 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 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: 892]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L228] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L501] int pumpRunning = 0; [L502] int systemActive = 1; [L696] int waterLevel = 1; [L697] int methaneLevelCritical = 0; [L785] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L859] int retValue_acc ; [L860] int tmp ; [L864] FCALL select_helpers() [L865] FCALL select_features() [L866] CALL, EXPR valid_product() [L482] int retValue_acc ; [L485] retValue_acc = 1 [L486] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L866] RET, EXPR valid_product() [L866] tmp = valid_product() [L868] COND TRUE \read(tmp) [L870] FCALL setup() [L871] CALL runTest() [L853] CALL test() [L883] int splverifierCounter ; [L884] int tmp ; [L885] int tmp___0 ; [L886] int tmp___1 ; [L887] int tmp___2 ; [L890] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L892] COND TRUE 1 [L894] COND TRUE splverifierCounter < 4 [L900] tmp = __VERIFIER_nondet_int() [L902] COND FALSE !(\read(tmp)) [L910] tmp___0 = __VERIFIER_nondet_int() [L912] COND FALSE !(\read(tmp___0)) [L920] tmp___2 = __VERIFIER_nondet_int() [L922] COND TRUE \read(tmp___2) [L924] CALL startSystem() [L689] systemActive = 1 [L924] RET startSystem() [L939] CALL timeShift() [L508] COND FALSE !(\read(pumpRunning)) [L515] COND TRUE \read(systemActive) [L517] CALL processEnvironment() [L537] int tmp ; [L540] COND FALSE !(\read(pumpRunning)) [L555] FCALL processEnvironment__wrappee__base() [L517] RET processEnvironment() [L523] CALL __utac_acc__Specification4_spec__1() [L428] int tmp ; [L429] int tmp___0 ; [L433] CALL, EXPR getWaterLevel() [L767] int retValue_acc ; [L770] retValue_acc = waterLevel [L771] return (retValue_acc); [L433] RET, EXPR getWaterLevel() [L433] tmp = getWaterLevel() [L435] COND FALSE !(tmp == 0) [L523] RET __utac_acc__Specification4_spec__1() [L939] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 892]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L228] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L501] int pumpRunning = 0; [L502] int systemActive = 1; [L696] int waterLevel = 1; [L697] int methaneLevelCritical = 0; [L785] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L859] int retValue_acc ; [L860] int tmp ; [L864] FCALL select_helpers() [L865] FCALL select_features() [L866] CALL, EXPR valid_product() [L482] int retValue_acc ; [L485] retValue_acc = 1 [L486] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L866] RET, EXPR valid_product() [L866] tmp = valid_product() [L868] COND TRUE \read(tmp) [L870] FCALL setup() [L871] CALL runTest() [L853] CALL test() [L883] int splverifierCounter ; [L884] int tmp ; [L885] int tmp___0 ; [L886] int tmp___1 ; [L887] int tmp___2 ; [L890] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L892] COND TRUE 1 [L894] COND TRUE splverifierCounter < 4 [L900] tmp = __VERIFIER_nondet_int() [L902] COND FALSE !(\read(tmp)) [L910] tmp___0 = __VERIFIER_nondet_int() [L912] COND FALSE !(\read(tmp___0)) [L920] tmp___2 = __VERIFIER_nondet_int() [L922] COND TRUE \read(tmp___2) [L924] CALL startSystem() [L689] systemActive = 1 [L924] RET startSystem() [L939] CALL timeShift() [L508] COND FALSE !(\read(pumpRunning)) [L515] COND TRUE \read(systemActive) [L517] CALL processEnvironment() [L537] int tmp ; [L540] COND FALSE !(\read(pumpRunning)) [L555] FCALL processEnvironment__wrappee__base() [L517] RET processEnvironment() [L523] CALL __utac_acc__Specification4_spec__1() [L428] int tmp ; [L429] int tmp___0 ; [L433] CALL, EXPR getWaterLevel() [L767] int retValue_acc ; [L770] retValue_acc = waterLevel [L771] return (retValue_acc); [L433] RET, EXPR getWaterLevel() [L433] tmp = getWaterLevel() [L435] COND FALSE !(tmp == 0) [L523] RET __utac_acc__Specification4_spec__1() [L939] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 07:33:52,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df50cd2-f0e4-4868-bae6-a85b2ae40f8d/bin/uautomizer-verify-uCwYo4JHxu/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)