./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product12.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_24e413b9-f315-4954-90f3-e7042217e899/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e413b9-f315-4954-90f3-e7042217e899/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_24e413b9-f315-4954-90f3-e7042217e899/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e413b9-f315-4954-90f3-e7042217e899/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e413b9-f315-4954-90f3-e7042217e899/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_24e413b9-f315-4954-90f3-e7042217e899/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 24866d83893c62cb34bc59a82613556af1a8105419efcaf32d88f955b1a97fe7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:38:07,001 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:38:07,168 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e413b9-f315-4954-90f3-e7042217e899/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 07:38:07,179 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:38:07,180 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:38:07,221 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:38:07,223 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:38:07,223 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:38:07,225 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:38:07,230 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:38:07,231 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:38:07,232 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:38:07,232 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:38:07,234 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:38:07,235 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:38:07,235 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:38:07,236 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:38:07,236 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:38:07,237 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:38:07,238 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:38:07,238 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:38:07,239 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:38:07,239 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:38:07,239 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:38:07,240 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:38:07,240 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:38:07,241 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:38:07,241 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:38:07,242 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:38:07,242 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:38:07,243 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:38:07,244 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:38:07,244 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:38:07,244 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:38:07,245 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:38:07,245 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:38:07,245 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_24e413b9-f315-4954-90f3-e7042217e899/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e413b9-f315-4954-90f3-e7042217e899/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24866d83893c62cb34bc59a82613556af1a8105419efcaf32d88f955b1a97fe7 [2023-11-19 07:38:07,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:38:07,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:38:07,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:38:07,577 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:38:07,578 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:38:07,579 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e413b9-f315-4954-90f3-e7042217e899/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c [2023-11-19 07:38:10,718 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:38:11,135 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:38:11,136 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e413b9-f315-4954-90f3-e7042217e899/sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c [2023-11-19 07:38:11,152 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e413b9-f315-4954-90f3-e7042217e899/bin/uautomizer-verify-uCwYo4JHxu/data/ed2c92f3a/e14ad2fa7b83437ebbd7cfa3f582ac6b/FLAGc4385250f [2023-11-19 07:38:11,168 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e413b9-f315-4954-90f3-e7042217e899/bin/uautomizer-verify-uCwYo4JHxu/data/ed2c92f3a/e14ad2fa7b83437ebbd7cfa3f582ac6b [2023-11-19 07:38:11,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:38:11,176 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:38:11,179 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:38:11,180 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:38:11,186 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:38:11,189 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:38:11" (1/1) ... [2023-11-19 07:38:11,190 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@644172b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:11, skipping insertion in model container [2023-11-19 07:38:11,190 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:38:11" (1/1) ... [2023-11-19 07:38:11,263 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:38:11,537 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:38:11,553 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:38:11,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2023-11-19 07:38:11,570 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [87] [2023-11-19 07:38:11,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [162] [2023-11-19 07:38:11,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [318] [2023-11-19 07:38:11,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [358] [2023-11-19 07:38:11,572 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [439] [2023-11-19 07:38:11,572 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [448] [2023-11-19 07:38:11,572 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [814] [2023-11-19 07:38:11,656 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:38:11,680 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:38:11,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:11 WrapperNode [2023-11-19 07:38:11,681 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:38:11,682 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:38:11,682 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:38:11,682 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:38:11,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:11" (1/1) ... [2023-11-19 07:38:11,706 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:11" (1/1) ... [2023-11-19 07:38:11,738 INFO L138 Inliner]: procedures = 53, calls = 95, calls flagged for inlining = 48, calls inlined = 39, statements flattened = 254 [2023-11-19 07:38:11,738 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:38:11,739 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:38:11,739 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:38:11,740 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:38:11,750 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:11" (1/1) ... [2023-11-19 07:38:11,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:11" (1/1) ... [2023-11-19 07:38:11,753 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:11" (1/1) ... [2023-11-19 07:38:11,754 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:11" (1/1) ... [2023-11-19 07:38:11,761 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:11" (1/1) ... [2023-11-19 07:38:11,766 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:11" (1/1) ... [2023-11-19 07:38:11,768 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:11" (1/1) ... [2023-11-19 07:38:11,770 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:11" (1/1) ... [2023-11-19 07:38:11,773 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:38:11,774 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:38:11,775 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:38:11,775 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:38:11,776 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:11" (1/1) ... [2023-11-19 07:38:11,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:38:11,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e413b9-f315-4954-90f3-e7042217e899/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:38:11,812 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e413b9-f315-4954-90f3-e7042217e899/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:38:11,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e413b9-f315-4954-90f3-e7042217e899/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:38:11,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:38:11,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:38:11,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:38:11,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:38:11,955 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:38:11,956 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:38:12,289 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:38:12,300 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:38:12,300 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 07:38:12,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:12 BoogieIcfgContainer [2023-11-19 07:38:12,306 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:38:12,307 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:38:12,307 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:38:12,311 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:38:12,313 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:38:12,313 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:38:11" (1/3) ... [2023-11-19 07:38:12,314 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3dbef900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:38:12, skipping insertion in model container [2023-11-19 07:38:12,314 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:38:12,315 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:11" (2/3) ... [2023-11-19 07:38:12,315 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3dbef900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:38:12, skipping insertion in model container [2023-11-19 07:38:12,316 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:38:12,316 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:12" (3/3) ... [2023-11-19 07:38:12,317 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product12.cil.c [2023-11-19 07:38:12,394 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:38:12,395 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:38:12,395 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:38:12,395 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:38:12,396 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:38:12,397 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:38:12,397 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:38:12,397 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:38:12,409 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 87 states, 86 states have (on average 1.372093023255814) internal successors, (118), 86 states have internal predecessors, (118), 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 07:38:12,450 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 55 [2023-11-19 07:38:12,452 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:38:12,452 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:38:12,460 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:12,460 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 07:38:12,460 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:38:12,462 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 87 states, 86 states have (on average 1.372093023255814) internal successors, (118), 86 states have internal predecessors, (118), 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 07:38:12,477 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 55 [2023-11-19 07:38:12,478 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:38:12,478 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:38:12,480 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:12,480 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 07:38:12,487 INFO L748 eck$LassoCheckResult]: Stem: 39#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 50#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 32#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 48#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; 25#valid_product_returnLabel#1true main_#t~ret49#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 23#L898true assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 4#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; 46#__utac_acc__Specification2_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 80#L104-2true [2023-11-19 07:38:12,490 INFO L750 eck$LassoCheckResult]: Loop: 80#L104-2true assume !false; 21#L105true assume test_~splverifierCounter~0#1 < 4; 60#L106true havoc test_#t~nondet5#1;test_~tmp~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 64#L114true assume !(0 != test_~tmp~0#1); 51#L114-2true havoc test_#t~nondet6#1;test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 16#L124true assume !(0 != test_~tmp___0~0#1); 76#L124-2true havoc test_#t~nondet7#1;test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 65#L134true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet8#1;test_~tmp___1~0#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 41#L142true assume !(0 != test_~tmp___1~0#1); 35#L142-2true assume { :begin_inline_timeShift } true; 37#L178true assume !(0 != ~pumpRunning~0); 11#L178-2true assume !(0 != ~systemActive~0); 55#L185-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret19#1, __utac_acc__Specification2_spec__2_#t~ret20#1, __utac_acc__Specification2_spec__2_~tmp~2#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~2#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; 69#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification2_spec__2_#t~ret19#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~2#1 := __utac_acc__Specification2_spec__2_#t~ret19#1;havoc __utac_acc__Specification2_spec__2_#t~ret19#1; 10#L337true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~2#1);~methAndRunningLastTime~0 := 0; 79#L337-1true havoc __utac_acc__Specification2_spec__2_#t~ret19#1, __utac_acc__Specification2_spec__2_#t~ret20#1, __utac_acc__Specification2_spec__2_~tmp~2#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 75#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 80#L104-2true [2023-11-19 07:38:12,495 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:12,496 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2023-11-19 07:38:12,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:12,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453838022] [2023-11-19 07:38:12,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:12,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:12,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:38:12,692 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:38:12,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:38:12,746 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:38:12,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:12,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1601775129, now seen corresponding path program 1 times [2023-11-19 07:38:12,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:12,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691016198] [2023-11-19 07:38:12,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:12,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:12,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:38:12,762 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:38:12,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:38:12,775 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:38:12,777 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:12,777 INFO L85 PathProgramCache]: Analyzing trace with hash 865833552, now seen corresponding path program 1 times [2023-11-19 07:38:12,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:12,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100220845] [2023-11-19 07:38:12,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:12,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:12,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:13,091 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 07:38:13,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:13,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100220845] [2023-11-19 07:38:13,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100220845] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:13,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:13,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:38:13,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720352153] [2023-11-19 07:38:13,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:13,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:13,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:38:13,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:38:13,299 INFO L87 Difference]: Start difference. First operand has 87 states, 86 states have (on average 1.372093023255814) internal successors, (118), 86 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 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 07:38:13,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:38:13,448 INFO L93 Difference]: Finished difference Result 292 states and 375 transitions. [2023-11-19 07:38:13,450 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 292 states and 375 transitions. [2023-11-19 07:38:13,463 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 186 [2023-11-19 07:38:13,476 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 292 states to 252 states and 335 transitions. [2023-11-19 07:38:13,477 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 252 [2023-11-19 07:38:13,479 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 252 [2023-11-19 07:38:13,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 252 states and 335 transitions. [2023-11-19 07:38:13,482 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:38:13,483 INFO L218 hiAutomatonCegarLoop]: Abstraction has 252 states and 335 transitions. [2023-11-19 07:38:13,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states and 335 transitions. [2023-11-19 07:38:13,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 126. [2023-11-19 07:38:13,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 126 states have (on average 1.3333333333333333) internal successors, (168), 125 states have internal predecessors, (168), 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 07:38:13,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 168 transitions. [2023-11-19 07:38:13,534 INFO L240 hiAutomatonCegarLoop]: Abstraction has 126 states and 168 transitions. [2023-11-19 07:38:13,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:38:13,539 INFO L428 stractBuchiCegarLoop]: Abstraction has 126 states and 168 transitions. [2023-11-19 07:38:13,539 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:38:13,540 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states and 168 transitions. [2023-11-19 07:38:13,542 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 91 [2023-11-19 07:38:13,542 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:38:13,542 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:38:13,543 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:13,543 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:13,544 INFO L748 eck$LassoCheckResult]: Stem: 446#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 447#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 439#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 440#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; 431#valid_product_returnLabel#1 main_#t~ret49#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 429#L898 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 397#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; 398#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 455#L104-2 [2023-11-19 07:38:13,544 INFO L750 eck$LassoCheckResult]: Loop: 455#L104-2 assume !false; 424#L105 assume test_~splverifierCounter~0#1 < 4; 425#L106 havoc test_#t~nondet5#1;test_~tmp~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 458#L114 assume !(0 != test_~tmp~0#1); 422#L114-2 havoc test_#t~nondet6#1;test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 419#L124 assume !(0 != test_~tmp___0~0#1); 421#L124-2 havoc test_#t~nondet7#1;test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 460#L134 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet8#1;test_~tmp___1~0#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 449#L142 assume !(0 != test_~tmp___1~0#1); 442#L142-2 assume { :begin_inline_timeShift } true; 443#L178 assume !(0 != ~pumpRunning~0); 408#L178-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 409#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 432#L185-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret19#1, __utac_acc__Specification2_spec__2_#t~ret20#1, __utac_acc__Specification2_spec__2_~tmp~2#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~2#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; 456#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification2_spec__2_#t~ret19#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~2#1 := __utac_acc__Specification2_spec__2_#t~ret19#1;havoc __utac_acc__Specification2_spec__2_#t~ret19#1; 405#L337 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~2#1);~methAndRunningLastTime~0 := 0; 407#L337-1 havoc __utac_acc__Specification2_spec__2_#t~ret19#1, __utac_acc__Specification2_spec__2_#t~ret20#1, __utac_acc__Specification2_spec__2_~tmp~2#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 465#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 455#L104-2 [2023-11-19 07:38:13,545 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:13,545 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2023-11-19 07:38:13,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:13,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545291653] [2023-11-19 07:38:13,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:13,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:13,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:38:13,559 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:38:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:38:13,572 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:38:13,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:13,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1256737205, now seen corresponding path program 1 times [2023-11-19 07:38:13,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:13,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759904794] [2023-11-19 07:38:13,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:13,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:13,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:38:13,582 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:38:13,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:38:13,590 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:38:13,591 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:13,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1698877684, now seen corresponding path program 1 times [2023-11-19 07:38:13,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:13,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907312304] [2023-11-19 07:38:13,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:13,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:38:13,610 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:38:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:38:13,628 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:38:14,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:38:14,837 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:38:14,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:38:14,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:38:14 BoogieIcfgContainer [2023-11-19 07:38:14,913 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 07:38:14,914 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:38:14,914 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:38:14,914 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:38:14,916 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:12" (3/4) ... [2023-11-19 07:38:14,920 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-19 07:38:14,994 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e413b9-f315-4954-90f3-e7042217e899/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:38:14,994 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:38:14,995 INFO L158 Benchmark]: Toolchain (without parser) took 3819.25ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 128.4MB in the beginning and 120.2MB in the end (delta: 8.2MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. [2023-11-19 07:38:14,996 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 121.6MB. Free memory was 83.1MB in the beginning and 82.9MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:38:14,996 INFO L158 Benchmark]: CACSL2BoogieTranslator took 502.35ms. Allocated memory is still 159.4MB. Free memory was 128.4MB in the beginning and 109.8MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:38:14,997 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.56ms. Allocated memory is still 159.4MB. Free memory was 109.8MB in the beginning and 107.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:38:14,997 INFO L158 Benchmark]: Boogie Preprocessor took 34.48ms. Allocated memory is still 159.4MB. Free memory was 107.5MB in the beginning and 105.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:38:14,998 INFO L158 Benchmark]: RCFGBuilder took 531.51ms. Allocated memory is still 159.4MB. Free memory was 105.7MB in the beginning and 90.0MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 07:38:14,998 INFO L158 Benchmark]: BuchiAutomizer took 2606.46ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 90.0MB in the beginning and 123.3MB in the end (delta: -33.3MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. [2023-11-19 07:38:14,999 INFO L158 Benchmark]: Witness Printer took 80.27ms. Allocated memory is still 192.9MB. Free memory was 122.3MB in the beginning and 120.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:38:15,002 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 121.6MB. Free memory was 83.1MB in the beginning and 82.9MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 502.35ms. Allocated memory is still 159.4MB. Free memory was 128.4MB in the beginning and 109.8MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.56ms. Allocated memory is still 159.4MB. Free memory was 109.8MB in the beginning and 107.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.48ms. Allocated memory is still 159.4MB. Free memory was 107.5MB in the beginning and 105.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 531.51ms. Allocated memory is still 159.4MB. Free memory was 105.7MB in the beginning and 90.0MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 2606.46ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 90.0MB in the beginning and 123.3MB in the end (delta: -33.3MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. * Witness Printer took 80.27ms. Allocated memory is still 192.9MB. Free memory was 122.3MB in the beginning and 120.2MB 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,"scenario.i","") [87] - GenericResultAtLocation [Line: 162]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [162] - GenericResultAtLocation [Line: 318]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [318] - GenericResultAtLocation [Line: 358]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [358] - GenericResultAtLocation [Line: 439]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [439] - GenericResultAtLocation [Line: 448]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [448] - GenericResultAtLocation [Line: 814]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [814] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 126 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. 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, 126 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, 533 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 533 mSDsluCounter, 770 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 671 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 49 IncrementalHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 99 mSDtfsCounter, 49 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 104]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L170] int pumpRunning = 0; [L171] int systemActive = 1; [L320] int methAndRunningLastTime ; [L360] int waterLevel = 1; [L361] int methaneLevelCritical = 0; [L618] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L815] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L889] int retValue_acc ; [L890] int tmp ; [L894] FCALL select_helpers() [L895] FCALL select_features() [L896] 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] [L896] RET, EXPR valid_product() [L896] tmp = valid_product() [L898] COND TRUE \read(tmp) [L900] FCALL setup() [L901] CALL runTest() [L882] CALL __utac_acc__Specification2_spec__1() [L325] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L882] RET __utac_acc__Specification2_spec__1() [L883] CALL test() [L95] int splverifierCounter ; [L96] int tmp ; [L97] int tmp___0 ; [L98] int tmp___1 ; [L99] int tmp___2 ; [L102] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L104] COND TRUE 1 [L106] COND TRUE splverifierCounter < 4 [L112] tmp = __VERIFIER_nondet_int() [L114] COND FALSE !(\read(tmp)) [L122] tmp___0 = __VERIFIER_nondet_int() [L124] COND FALSE !(\read(tmp___0)) [L132] tmp___2 = __VERIFIER_nondet_int() [L134] COND FALSE !(\read(tmp___2)) [L140] tmp___1 = __VERIFIER_nondet_int() [L142] COND FALSE !(\read(tmp___1)) [L151] CALL timeShift() [L178] COND FALSE !(\read(pumpRunning)) [L185] COND TRUE \read(systemActive) [L187] FCALL processEnvironment() [L193] CALL __utac_acc__Specification2_spec__2() [L330] int tmp ; [L331] int tmp___0 ; [L335] CALL, EXPR isMethaneLevelCritical() [L399] int retValue_acc ; [L402] retValue_acc = methaneLevelCritical [L403] return (retValue_acc); [L335] RET, EXPR isMethaneLevelCritical() [L335] tmp = isMethaneLevelCritical() [L337] COND FALSE !(\read(tmp)) [L353] methAndRunningLastTime = 0 [L193] RET __utac_acc__Specification2_spec__2() [L151] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 104]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L170] int pumpRunning = 0; [L171] int systemActive = 1; [L320] int methAndRunningLastTime ; [L360] int waterLevel = 1; [L361] int methaneLevelCritical = 0; [L618] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L815] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L889] int retValue_acc ; [L890] int tmp ; [L894] FCALL select_helpers() [L895] FCALL select_features() [L896] 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] [L896] RET, EXPR valid_product() [L896] tmp = valid_product() [L898] COND TRUE \read(tmp) [L900] FCALL setup() [L901] CALL runTest() [L882] CALL __utac_acc__Specification2_spec__1() [L325] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L882] RET __utac_acc__Specification2_spec__1() [L883] CALL test() [L95] int splverifierCounter ; [L96] int tmp ; [L97] int tmp___0 ; [L98] int tmp___1 ; [L99] int tmp___2 ; [L102] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L104] COND TRUE 1 [L106] COND TRUE splverifierCounter < 4 [L112] tmp = __VERIFIER_nondet_int() [L114] COND FALSE !(\read(tmp)) [L122] tmp___0 = __VERIFIER_nondet_int() [L124] COND FALSE !(\read(tmp___0)) [L132] tmp___2 = __VERIFIER_nondet_int() [L134] COND FALSE !(\read(tmp___2)) [L140] tmp___1 = __VERIFIER_nondet_int() [L142] COND FALSE !(\read(tmp___1)) [L151] CALL timeShift() [L178] COND FALSE !(\read(pumpRunning)) [L185] COND TRUE \read(systemActive) [L187] FCALL processEnvironment() [L193] CALL __utac_acc__Specification2_spec__2() [L330] int tmp ; [L331] int tmp___0 ; [L335] CALL, EXPR isMethaneLevelCritical() [L399] int retValue_acc ; [L402] retValue_acc = methaneLevelCritical [L403] return (retValue_acc); [L335] RET, EXPR isMethaneLevelCritical() [L335] tmp = isMethaneLevelCritical() [L337] COND FALSE !(\read(tmp)) [L353] methAndRunningLastTime = 0 [L193] RET __utac_acc__Specification2_spec__2() [L151] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 07:38:15,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24e413b9-f315-4954-90f3-e7042217e899/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)