./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cf1a7837 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_b3723c9d-f767-47ac-8599-32d1c1f7812b/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3723c9d-f767-47ac-8599-32d1c1f7812b/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3723c9d-f767-47ac-8599-32d1c1f7812b/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3723c9d-f767-47ac-8599-32d1c1f7812b/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3723c9d-f767-47ac-8599-32d1c1f7812b/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3723c9d-f767-47ac-8599-32d1c1f7812b/bin/uautomizer-verify-uTZkv6EMXl --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 9f236da57fa92653d636674a80852c8106739bc443cbd0a5f898a694ed49c247 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:27:56,500 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:27:56,629 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3723c9d-f767-47ac-8599-32d1c1f7812b/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-12 02:27:56,639 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:27:56,640 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:27:56,679 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:27:56,681 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:27:56,682 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:27:56,683 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:27:56,688 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:27:56,689 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:27:56,690 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-12 02:27:56,691 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-12 02:27:56,693 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-12 02:27:56,693 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-12 02:27:56,694 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-12 02:27:56,694 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-12 02:27:56,695 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:27:56,696 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-12 02:27:56,698 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:27:56,698 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:27:56,699 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:27:56,700 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:27:56,700 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-12 02:27:56,701 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-12 02:27:56,701 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-12 02:27:56,702 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:27:56,702 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:27:56,703 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:27:56,703 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-12 02:27:56,705 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:27:56,705 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:27:56,705 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:27:56,706 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:27:56,706 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:27:56,707 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-12 02:27:56,707 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_b3723c9d-f767-47ac-8599-32d1c1f7812b/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3723c9d-f767-47ac-8599-32d1c1f7812b/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f236da57fa92653d636674a80852c8106739bc443cbd0a5f898a694ed49c247 [2023-11-12 02:27:57,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:27:57,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:27:57,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:27:57,045 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:27:57,046 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:27:57,047 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3723c9d-f767-47ac-8599-32d1c1f7812b/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c [2023-11-12 02:28:00,282 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:28:00,566 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:28:00,567 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3723c9d-f767-47ac-8599-32d1c1f7812b/sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c [2023-11-12 02:28:00,585 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3723c9d-f767-47ac-8599-32d1c1f7812b/bin/uautomizer-verify-uTZkv6EMXl/data/816e6b9f1/25c29ff8b9904cd890dcdb35988d8017/FLAG5607fcbd0 [2023-11-12 02:28:00,609 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3723c9d-f767-47ac-8599-32d1c1f7812b/bin/uautomizer-verify-uTZkv6EMXl/data/816e6b9f1/25c29ff8b9904cd890dcdb35988d8017 [2023-11-12 02:28:00,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:28:00,614 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:28:00,620 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:28:00,620 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:28:00,629 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:28:00,630 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:28:00" (1/1) ... [2023-11-12 02:28:00,630 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d368599 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:00, skipping insertion in model container [2023-11-12 02:28:00,631 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:28:00" (1/1) ... [2023-11-12 02:28:00,688 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:28:01,010 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:28:01,035 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:28:01,048 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2023-11-12 02:28:01,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] [2023-11-12 02:28:01,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [96] [2023-11-12 02:28:01,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [192] [2023-11-12 02:28:01,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [393] [2023-11-12 02:28:01,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [463] [2023-11-12 02:28:01,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [502] [2023-11-12 02:28:01,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [599] [2023-11-12 02:28:01,133 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:28:01,169 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:28:01,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:01 WrapperNode [2023-11-12 02:28:01,170 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:28:01,171 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:28:01,171 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:28:01,171 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:28:01,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:01" (1/1) ... [2023-11-12 02:28:01,208 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:01" (1/1) ... [2023-11-12 02:28:01,244 INFO L138 Inliner]: procedures = 56, calls = 100, calls flagged for inlining = 53, calls inlined = 54, statements flattened = 353 [2023-11-12 02:28:01,245 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:28:01,246 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:28:01,246 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:28:01,246 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:28:01,257 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:01" (1/1) ... [2023-11-12 02:28:01,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:01" (1/1) ... [2023-11-12 02:28:01,261 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:01" (1/1) ... [2023-11-12 02:28:01,261 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:01" (1/1) ... [2023-11-12 02:28:01,269 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:01" (1/1) ... [2023-11-12 02:28:01,275 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:01" (1/1) ... [2023-11-12 02:28:01,278 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:01" (1/1) ... [2023-11-12 02:28:01,280 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:01" (1/1) ... [2023-11-12 02:28:01,283 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:28:01,285 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:28:01,285 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:28:01,285 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:28:01,286 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:01" (1/1) ... [2023-11-12 02:28:01,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:28:01,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3723c9d-f767-47ac-8599-32d1c1f7812b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:28:01,349 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3723c9d-f767-47ac-8599-32d1c1f7812b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:28:01,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3723c9d-f767-47ac-8599-32d1c1f7812b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-12 02:28:01,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:28:01,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:28:01,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:28:01,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:28:01,567 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:28:01,584 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:28:01,961 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:28:01,969 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:28:01,983 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 02:28:01,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:28:01 BoogieIcfgContainer [2023-11-12 02:28:01,986 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:28:01,987 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-12 02:28:01,988 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-12 02:28:01,992 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-12 02:28:01,995 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:28:01,996 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 02:28:00" (1/3) ... [2023-11-12 02:28:01,997 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b1d83bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:28:01, skipping insertion in model container [2023-11-12 02:28:01,998 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:28:01,998 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:01" (2/3) ... [2023-11-12 02:28:01,999 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b1d83bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:28:01, skipping insertion in model container [2023-11-12 02:28:02,000 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:28:02,002 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:28:01" (3/3) ... [2023-11-12 02:28:02,006 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product28.cil.c [2023-11-12 02:28:02,090 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-12 02:28:02,090 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-12 02:28:02,090 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-12 02:28:02,091 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-12 02:28:02,091 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-12 02:28:02,092 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-12 02:28:02,092 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-12 02:28:02,092 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-12 02:28:02,097 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 114 states, 113 states have (on average 1.3628318584070795) internal successors, (154), 113 states have internal predecessors, (154), 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) [2023-11-12 02:28:02,123 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2023-11-12 02:28:02,124 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:28:02,124 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:28:02,132 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:28:02,133 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:28:02,133 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-12 02:28:02,134 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 114 states, 113 states have (on average 1.3628318584070795) internal successors, (154), 113 states have internal predecessors, (154), 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) [2023-11-12 02:28:02,142 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2023-11-12 02:28:02,142 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:28:02,142 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:28:02,143 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:28:02,144 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:28:02,150 INFO L748 eck$LassoCheckResult]: Stem: 32#$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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 36#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret28#1, main_~retValue_acc~8#1, main_~tmp~5#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 27#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 95#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 81#valid_product_returnLabel#1true main_#t~ret28#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret28#1;havoc main_#t~ret28#1; 91#L586true assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 67#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 93#__utac_acc__Specification2_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification2_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~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 58#L405-2true [2023-11-12 02:28:02,151 INFO L750 eck$LassoCheckResult]: Loop: 58#L405-2true assume !false; 35#L406true assume test_~splverifierCounter~0#1 < 4; 16#L407true havoc test_#t~nondet22#1;test_~tmp~3#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 103#L415true assume !(0 != test_~tmp~3#1); 6#L415-2true havoc test_#t~nondet23#1;test_~tmp___0~1#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 97#L425true assume !(0 != test_~tmp___0~1#1); 111#L425-2true havoc test_#t~nondet24#1;test_~tmp___2~0#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 87#L435true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 48#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 17#L443-2true assume { :begin_inline_timeShift } true; 98#L208true assume !(0 != ~pumpRunning~0); 100#L208-2true assume !(0 != ~systemActive~0); 8#L215-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret26#1, __utac_acc__Specification2_spec__2_#t~ret27#1, __utac_acc__Specification2_spec__2_~tmp~4#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~4#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 110#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification2_spec__2_#t~ret26#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~4#1 := __utac_acc__Specification2_spec__2_#t~ret26#1;havoc __utac_acc__Specification2_spec__2_#t~ret26#1; 26#L481true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~4#1);~methAndRunningLastTime~0 := 0; 102#L481-1true havoc __utac_acc__Specification2_spec__2_#t~ret26#1, __utac_acc__Specification2_spec__2_#t~ret27#1, __utac_acc__Specification2_spec__2_~tmp~4#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 55#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 58#L405-2true [2023-11-12 02:28:02,157 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:28:02,157 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2023-11-12 02:28:02,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:28:02,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722914312] [2023-11-12 02:28:02,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:28:02,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:28:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:28:02,289 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:28:02,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:28:02,327 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:28:02,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:28:02,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1420191339, now seen corresponding path program 1 times [2023-11-12 02:28:02,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:28:02,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095269996] [2023-11-12 02:28:02,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:28:02,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:28:02,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:02,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:28:02,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:28:02,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095269996] [2023-11-12 02:28:02,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095269996] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:28:02,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:28:02,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:28:02,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445444657] [2023-11-12 02:28:02,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:28:02,452 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-12 02:28:02,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:28:02,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:28:02,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:28:02,492 INFO L87 Difference]: Start difference. First operand has 114 states, 113 states have (on average 1.3628318584070795) internal successors, (154), 113 states have internal predecessors, (154), 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) [2023-11-12 02:28:02,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:28:02,569 INFO L93 Difference]: Finished difference Result 206 states and 268 transitions. [2023-11-12 02:28:02,571 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 206 states and 268 transitions. [2023-11-12 02:28:02,579 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 132 [2023-11-12 02:28:02,586 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 206 states to 186 states and 247 transitions. [2023-11-12 02:28:02,588 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 186 [2023-11-12 02:28:02,589 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 186 [2023-11-12 02:28:02,590 INFO L73 IsDeterministic]: Start isDeterministic. Operand 186 states and 247 transitions. [2023-11-12 02:28:02,591 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:28:02,591 INFO L218 hiAutomatonCegarLoop]: Abstraction has 186 states and 247 transitions. [2023-11-12 02:28:02,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states and 247 transitions. [2023-11-12 02:28:02,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 183. [2023-11-12 02:28:02,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 183 states have (on average 1.3278688524590163) internal successors, (243), 182 states have internal predecessors, (243), 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) [2023-11-12 02:28:02,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 243 transitions. [2023-11-12 02:28:02,635 INFO L240 hiAutomatonCegarLoop]: Abstraction has 183 states and 243 transitions. [2023-11-12 02:28:02,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:28:02,642 INFO L428 stractBuchiCegarLoop]: Abstraction has 183 states and 243 transitions. [2023-11-12 02:28:02,642 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-12 02:28:02,642 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 183 states and 243 transitions. [2023-11-12 02:28:02,646 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 129 [2023-11-12 02:28:02,647 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:28:02,647 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:28:02,648 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:28:02,648 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] [2023-11-12 02:28:02,648 INFO L748 eck$LassoCheckResult]: Stem: 384#$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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 385#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret28#1, main_~retValue_acc~8#1, main_~tmp~5#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 376#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 377#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 424#valid_product_returnLabel#1 main_#t~ret28#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret28#1;havoc main_#t~ret28#1; 425#L586 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 411#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 412#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_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~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 432#L405-2 [2023-11-12 02:28:02,648 INFO L750 eck$LassoCheckResult]: Loop: 432#L405-2 assume !false; 442#L406 assume test_~splverifierCounter~0#1 < 4; 443#L407 havoc test_#t~nondet22#1;test_~tmp~3#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 502#L415 assume !(0 != test_~tmp~3#1); 500#L415-2 havoc test_#t~nondet23#1;test_~tmp___0~1#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 498#L425 assume !(0 != test_~tmp___0~1#1); 496#L425-2 havoc test_#t~nondet24#1;test_~tmp___2~0#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 495#L435 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 397#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 398#L443-2 assume { :begin_inline_timeShift } true; 492#L208 assume !(0 != ~pumpRunning~0); 490#L208-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret10#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1; 489#L240 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 481#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 480#L240-1 havoc processEnvironment_#t~ret10#1, processEnvironment_~tmp~0#1;assume { :end_inline_processEnvironment } true; 479#L215-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret26#1, __utac_acc__Specification2_spec__2_#t~ret27#1, __utac_acc__Specification2_spec__2_~tmp~4#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~4#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 478#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification2_spec__2_#t~ret26#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~4#1 := __utac_acc__Specification2_spec__2_#t~ret26#1;havoc __utac_acc__Specification2_spec__2_#t~ret26#1; 476#L481 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~4#1);~methAndRunningLastTime~0 := 0; 455#L481-1 havoc __utac_acc__Specification2_spec__2_#t~ret26#1, __utac_acc__Specification2_spec__2_#t~ret27#1, __utac_acc__Specification2_spec__2_~tmp~4#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 453#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 432#L405-2 [2023-11-12 02:28:02,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:28:02,649 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2023-11-12 02:28:02,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:28:02,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028002277] [2023-11-12 02:28:02,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:28:02,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:28:02,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:28:02,666 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:28:02,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:28:02,684 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:28:02,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:28:02,685 INFO L85 PathProgramCache]: Analyzing trace with hash -105158085, now seen corresponding path program 1 times [2023-11-12 02:28:02,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:28:02,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450001137] [2023-11-12 02:28:02,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:28:02,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:28:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:28:02,696 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:28:02,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:28:02,707 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:28:02,708 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:28:02,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1267367588, now seen corresponding path program 1 times [2023-11-12 02:28:02,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:28:02,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380221172] [2023-11-12 02:28:02,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:28:02,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:28:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:28:02,734 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:28:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:28:02,776 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:28:04,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:28:04,097 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:28:04,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:28:04,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 02:28:04 BoogieIcfgContainer [2023-11-12 02:28:04,188 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-12 02:28:04,189 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:28:04,189 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:28:04,190 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:28:04,190 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:28:01" (3/4) ... [2023-11-12 02:28:04,191 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-12 02:28:04,279 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3723c9d-f767-47ac-8599-32d1c1f7812b/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:28:04,286 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:28:04,287 INFO L158 Benchmark]: Toolchain (without parser) took 3673.77ms. Allocated memory was 159.4MB in the beginning and 195.0MB in the end (delta: 35.7MB). Free memory was 114.6MB in the beginning and 139.0MB in the end (delta: -24.3MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2023-11-12 02:28:04,288 INFO L158 Benchmark]: CDTParser took 1.05ms. Allocated memory is still 111.1MB. Free memory is still 60.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:28:04,289 INFO L158 Benchmark]: CACSL2BoogieTranslator took 550.12ms. Allocated memory is still 159.4MB. Free memory was 114.0MB in the beginning and 95.2MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 02:28:04,289 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.50ms. Allocated memory is still 159.4MB. Free memory was 95.2MB in the beginning and 92.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:28:04,290 INFO L158 Benchmark]: Boogie Preprocessor took 37.80ms. Allocated memory is still 159.4MB. Free memory was 92.4MB in the beginning and 90.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:28:04,291 INFO L158 Benchmark]: RCFGBuilder took 701.95ms. Allocated memory is still 159.4MB. Free memory was 90.7MB in the beginning and 116.6MB in the end (delta: -26.0MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2023-11-12 02:28:04,295 INFO L158 Benchmark]: BuchiAutomizer took 2200.73ms. Allocated memory was 159.4MB in the beginning and 195.0MB in the end (delta: 35.7MB). Free memory was 116.6MB in the beginning and 141.1MB in the end (delta: -24.4MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2023-11-12 02:28:04,296 INFO L158 Benchmark]: Witness Printer took 97.41ms. Allocated memory is still 195.0MB. Free memory was 141.1MB in the beginning and 139.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:28:04,298 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.05ms. Allocated memory is still 111.1MB. Free memory is still 60.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 550.12ms. Allocated memory is still 159.4MB. Free memory was 114.0MB in the beginning and 95.2MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.50ms. Allocated memory is still 159.4MB. Free memory was 95.2MB in the beginning and 92.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.80ms. Allocated memory is still 159.4MB. Free memory was 92.4MB in the beginning and 90.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 701.95ms. Allocated memory is still 159.4MB. Free memory was 90.7MB in the beginning and 116.6MB in the end (delta: -26.0MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 2200.73ms. Allocated memory was 159.4MB in the beginning and 195.0MB in the end (delta: 35.7MB). Free memory was 116.6MB in the beginning and 141.1MB in the end (delta: -24.4MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * Witness Printer took 97.41ms. Allocated memory is still 195.0MB. Free memory was 141.1MB in the beginning and 139.0MB in the end (delta: 2.1MB). 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,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] - GenericResultAtLocation [Line: 96]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [96] - GenericResultAtLocation [Line: 192]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [192] - GenericResultAtLocation [Line: 393]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [393] - GenericResultAtLocation [Line: 463]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [463] - GenericResultAtLocation [Line: 502]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [502] - GenericResultAtLocation [Line: 599]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [599] * 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 183 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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, 131 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 131 mSDsluCounter, 261 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 123 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 138 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: 405]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L104] int waterLevel = 1; [L105] int methaneLevelCritical = 0; [L200] int pumpRunning = 0; [L201] int systemActive = 1; [L464] int methAndRunningLastTime ; [L503] int cleanupTimeShifts = 4; [L769] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L577] int retValue_acc ; [L578] int tmp ; [L582] FCALL select_helpers() [L583] FCALL select_features() [L584] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L584] RET, EXPR valid_product() [L584] tmp = valid_product() [L586] COND TRUE \read(tmp) [L588] FCALL setup() [L589] CALL runTest() [L570] CALL __utac_acc__Specification2_spec__1() [L469] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L570] RET __utac_acc__Specification2_spec__1() [L571] CALL test() [L396] int splverifierCounter ; [L397] int tmp ; [L398] int tmp___0 ; [L399] int tmp___1 ; [L400] int tmp___2 ; [L403] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L405] COND TRUE 1 [L407] COND TRUE splverifierCounter < 4 [L413] tmp = __VERIFIER_nondet_int() [L415] COND FALSE !(\read(tmp)) [L423] tmp___0 = __VERIFIER_nondet_int() [L425] COND FALSE !(\read(tmp___0)) [L433] tmp___2 = __VERIFIER_nondet_int() [L435] COND TRUE \read(tmp___2) [L437] CALL startSystem() [L389] systemActive = 1 [L437] RET startSystem() [L452] CALL timeShift() [L208] COND FALSE !(\read(pumpRunning)) [L215] COND TRUE \read(systemActive) [L217] CALL processEnvironment() [L237] int tmp ; [L240] COND FALSE !(\read(pumpRunning)) [L255] FCALL processEnvironment__wrappee__base() [L217] RET processEnvironment() [L223] CALL __utac_acc__Specification2_spec__2() [L474] int tmp ; [L475] int tmp___0 ; [L479] CALL, EXPR isMethaneLevelCritical() [L143] int retValue_acc ; [L146] retValue_acc = methaneLevelCritical [L147] return (retValue_acc); [L479] RET, EXPR isMethaneLevelCritical() [L479] tmp = isMethaneLevelCritical() [L481] COND FALSE !(\read(tmp)) [L497] methAndRunningLastTime = 0 [L223] RET __utac_acc__Specification2_spec__2() [L452] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 405]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L104] int waterLevel = 1; [L105] int methaneLevelCritical = 0; [L200] int pumpRunning = 0; [L201] int systemActive = 1; [L464] int methAndRunningLastTime ; [L503] int cleanupTimeShifts = 4; [L769] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L577] int retValue_acc ; [L578] int tmp ; [L582] FCALL select_helpers() [L583] FCALL select_features() [L584] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L584] RET, EXPR valid_product() [L584] tmp = valid_product() [L586] COND TRUE \read(tmp) [L588] FCALL setup() [L589] CALL runTest() [L570] CALL __utac_acc__Specification2_spec__1() [L469] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L570] RET __utac_acc__Specification2_spec__1() [L571] CALL test() [L396] int splverifierCounter ; [L397] int tmp ; [L398] int tmp___0 ; [L399] int tmp___1 ; [L400] int tmp___2 ; [L403] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L405] COND TRUE 1 [L407] COND TRUE splverifierCounter < 4 [L413] tmp = __VERIFIER_nondet_int() [L415] COND FALSE !(\read(tmp)) [L423] tmp___0 = __VERIFIER_nondet_int() [L425] COND FALSE !(\read(tmp___0)) [L433] tmp___2 = __VERIFIER_nondet_int() [L435] COND TRUE \read(tmp___2) [L437] CALL startSystem() [L389] systemActive = 1 [L437] RET startSystem() [L452] CALL timeShift() [L208] COND FALSE !(\read(pumpRunning)) [L215] COND TRUE \read(systemActive) [L217] CALL processEnvironment() [L237] int tmp ; [L240] COND FALSE !(\read(pumpRunning)) [L255] FCALL processEnvironment__wrappee__base() [L217] RET processEnvironment() [L223] CALL __utac_acc__Specification2_spec__2() [L474] int tmp ; [L475] int tmp___0 ; [L479] CALL, EXPR isMethaneLevelCritical() [L143] int retValue_acc ; [L146] retValue_acc = methaneLevelCritical [L147] return (retValue_acc); [L479] RET, EXPR isMethaneLevelCritical() [L479] tmp = isMethaneLevelCritical() [L481] COND FALSE !(\read(tmp)) [L497] methAndRunningLastTime = 0 [L223] RET __utac_acc__Specification2_spec__2() [L452] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-12 02:28:04,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3723c9d-f767-47ac-8599-32d1c1f7812b/bin/uautomizer-verify-uTZkv6EMXl/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)