./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product09.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_d7d9edab-8b65-4d64-bd73-dc9accf7b7d6/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d9edab-8b65-4d64-bd73-dc9accf7b7d6/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_d7d9edab-8b65-4d64-bd73-dc9accf7b7d6/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d9edab-8b65-4d64-bd73-dc9accf7b7d6/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d9edab-8b65-4d64-bd73-dc9accf7b7d6/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_d7d9edab-8b65-4d64-bd73-dc9accf7b7d6/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 253216605bcefff455f75b86610d9086dd77a5c120ff63014eec6402e624337d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:31:31,373 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:31:31,512 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d9edab-8b65-4d64-bd73-dc9accf7b7d6/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-12 02:31:31,518 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:31:31,519 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:31:31,550 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:31:31,551 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:31:31,551 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:31:31,553 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:31:31,553 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:31:31,554 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:31:31,555 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-12 02:31:31,555 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-12 02:31:31,556 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-12 02:31:31,557 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-12 02:31:31,557 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-12 02:31:31,558 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-12 02:31:31,559 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:31:31,559 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-12 02:31:31,560 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:31:31,560 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:31:31,570 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:31:31,570 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:31:31,571 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-12 02:31:31,571 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-12 02:31:31,572 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-12 02:31:31,572 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:31:31,573 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:31:31,573 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:31:31,574 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-12 02:31:31,574 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:31:31,575 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:31:31,575 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:31:31,576 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:31:31,576 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:31:31,577 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-12 02:31:31,578 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_d7d9edab-8b65-4d64-bd73-dc9accf7b7d6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d9edab-8b65-4d64-bd73-dc9accf7b7d6/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 253216605bcefff455f75b86610d9086dd77a5c120ff63014eec6402e624337d [2023-11-12 02:31:31,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:31:31,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:31:31,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:31:31,963 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:31:31,964 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:31:31,966 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d9edab-8b65-4d64-bd73-dc9accf7b7d6/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c [2023-11-12 02:31:35,251 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:31:35,626 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:31:35,627 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d9edab-8b65-4d64-bd73-dc9accf7b7d6/sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c [2023-11-12 02:31:35,648 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d9edab-8b65-4d64-bd73-dc9accf7b7d6/bin/uautomizer-verify-uTZkv6EMXl/data/b48d43f24/33249453c6634d5ebe6e2de8434fa24c/FLAG7be81efd0 [2023-11-12 02:31:35,676 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d9edab-8b65-4d64-bd73-dc9accf7b7d6/bin/uautomizer-verify-uTZkv6EMXl/data/b48d43f24/33249453c6634d5ebe6e2de8434fa24c [2023-11-12 02:31:35,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:31:35,687 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:31:35,689 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:31:35,691 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:31:35,698 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:31:35,700 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:31:35" (1/1) ... [2023-11-12 02:31:35,701 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ebfd5e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:35, skipping insertion in model container [2023-11-12 02:31:35,702 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:31:35" (1/1) ... [2023-11-12 02:31:35,787 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:31:36,140 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:31:36,154 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:31:36,165 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2023-11-12 02:31:36,167 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [58] [2023-11-12 02:31:36,167 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [424] [2023-11-12 02:31:36,167 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [493] [2023-11-12 02:31:36,168 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [626] [2023-11-12 02:31:36,168 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [665] [2023-11-12 02:31:36,168 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [765] [2023-11-12 02:31:36,168 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [846] [2023-11-12 02:31:36,221 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:31:36,241 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:31:36,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:36 WrapperNode [2023-11-12 02:31:36,242 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:31:36,243 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:31:36,243 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:31:36,243 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:31:36,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:36" (1/1) ... [2023-11-12 02:31:36,264 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:36" (1/1) ... [2023-11-12 02:31:36,291 INFO L138 Inliner]: procedures = 51, calls = 92, calls flagged for inlining = 45, calls inlined = 36, statements flattened = 244 [2023-11-12 02:31:36,291 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:31:36,292 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:31:36,292 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:31:36,292 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:31:36,302 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:36" (1/1) ... [2023-11-12 02:31:36,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:36" (1/1) ... [2023-11-12 02:31:36,304 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:36" (1/1) ... [2023-11-12 02:31:36,305 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:36" (1/1) ... [2023-11-12 02:31:36,310 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:36" (1/1) ... [2023-11-12 02:31:36,315 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:36" (1/1) ... [2023-11-12 02:31:36,316 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:36" (1/1) ... [2023-11-12 02:31:36,318 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:36" (1/1) ... [2023-11-12 02:31:36,320 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:31:36,321 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:31:36,322 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:31:36,322 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:31:36,323 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:36" (1/1) ... [2023-11-12 02:31:36,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:31:36,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d9edab-8b65-4d64-bd73-dc9accf7b7d6/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:31:36,376 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d9edab-8b65-4d64-bd73-dc9accf7b7d6/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:31:36,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d9edab-8b65-4d64-bd73-dc9accf7b7d6/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-12 02:31:36,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:31:36,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:31:36,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:31:36,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:31:36,496 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:31:36,498 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:31:36,773 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:31:36,782 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:31:36,785 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 02:31:36,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:31:36 BoogieIcfgContainer [2023-11-12 02:31:36,788 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:31:36,792 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-12 02:31:36,793 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-12 02:31:36,798 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-12 02:31:36,818 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:31:36,825 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 02:31:35" (1/3) ... [2023-11-12 02:31:36,826 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@535f3538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:31:36, skipping insertion in model container [2023-11-12 02:31:36,827 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:31:36,827 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:36" (2/3) ... [2023-11-12 02:31:36,827 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@535f3538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:31:36, skipping insertion in model container [2023-11-12 02:31:36,828 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:31:36,828 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:31:36" (3/3) ... [2023-11-12 02:31:36,831 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product09.cil.c [2023-11-12 02:31:36,923 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-12 02:31:36,924 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-12 02:31:36,924 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-12 02:31:36,924 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-12 02:31:36,926 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-12 02:31:36,926 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-12 02:31:36,926 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-12 02:31:36,926 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-12 02:31:36,933 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 82 states, 81 states have (on average 1.382716049382716) internal successors, (112), 81 states have internal predecessors, (112), 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 02:31:36,968 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2023-11-12 02:31:36,968 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:31:36,968 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:31:36,976 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:31:36,976 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:31:36,976 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-12 02:31:36,978 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 82 states, 81 states have (on average 1.382716049382716) internal successors, (112), 81 states have internal predecessors, (112), 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 02:31:36,993 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2023-11-12 02:31:36,993 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:31:36,993 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:31:36,995 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:31:36,995 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:31:37,010 INFO L748 eck$LassoCheckResult]: Stem: 44#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 54#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1, main_~retValue_acc~5#1, main_~tmp~6#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 36#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 53#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 30#valid_product_returnLabel#1true main_#t~ret43#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret43#1;havoc main_#t~ret43#1; 9#L752true assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 6#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; 51#__utac_acc__Specification2_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 69#L439-2true [2023-11-12 02:31:37,011 INFO L750 eck$LassoCheckResult]: Loop: 69#L439-2true assume !false; 47#L440true assume test_~splverifierCounter~0#1 < 4; 27#L441true havoc test_#t~nondet27#1;test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 3#L449true assume !(0 != test_~tmp~3#1); 24#L449-2true havoc test_#t~nondet28#1;test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 16#L459true assume !(0 != test_~tmp___0~0#1); 28#L459-2true havoc test_#t~nondet29#1;test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 19#L469true assume 0 != test_~tmp___2~0#1; 42#L475-2true assume { :begin_inline_timeShift } true; 60#L509true assume !(0 != ~pumpRunning~0); 20#L509-2true assume !(0 != ~systemActive~0); 55#L516-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret41#1, __utac_acc__Specification2_spec__2_#t~ret42#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~5#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 67#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification2_spec__2_#t~ret41#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5#1 := __utac_acc__Specification2_spec__2_#t~ret41#1;havoc __utac_acc__Specification2_spec__2_#t~ret41#1; 52#L644true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5#1);~methAndRunningLastTime~0 := 0; 64#L644-1true havoc __utac_acc__Specification2_spec__2_#t~ret41#1, __utac_acc__Specification2_spec__2_#t~ret42#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 76#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 69#L439-2true [2023-11-12 02:31:37,019 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:37,019 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2023-11-12 02:31:37,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:31:37,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178600006] [2023-11-12 02:31:37,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:37,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:31:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:31:37,175 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:31:37,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:31:37,241 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:31:37,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:37,245 INFO L85 PathProgramCache]: Analyzing trace with hash 980402572, now seen corresponding path program 1 times [2023-11-12 02:31:37,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:31:37,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111908944] [2023-11-12 02:31:37,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:37,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:31:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:31:37,271 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:31:37,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:31:37,295 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:31:37,303 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:37,303 INFO L85 PathProgramCache]: Analyzing trace with hash 818115189, now seen corresponding path program 1 times [2023-11-12 02:31:37,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:31:37,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741589421] [2023-11-12 02:31:37,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:37,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:31:37,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:31:37,585 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 02:31:37,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:31:37,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741589421] [2023-11-12 02:31:37,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741589421] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:31:37,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:31:37,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:31:37,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729659827] [2023-11-12 02:31:37,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:31:37,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:31:37,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:31:37,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:31:37,758 INFO L87 Difference]: Start difference. First operand has 82 states, 81 states have (on average 1.382716049382716) internal successors, (112), 81 states have internal predecessors, (112), 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 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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 02:31:37,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:31:37,821 INFO L93 Difference]: Finished difference Result 76 states and 95 transitions. [2023-11-12 02:31:37,823 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 76 states and 95 transitions. [2023-11-12 02:31:37,826 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 44 [2023-11-12 02:31:37,830 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 76 states to 66 states and 85 transitions. [2023-11-12 02:31:37,832 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 66 [2023-11-12 02:31:37,832 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 66 [2023-11-12 02:31:37,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 66 states and 85 transitions. [2023-11-12 02:31:37,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:31:37,834 INFO L218 hiAutomatonCegarLoop]: Abstraction has 66 states and 85 transitions. [2023-11-12 02:31:37,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states and 85 transitions. [2023-11-12 02:31:37,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-11-12 02:31:37,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 66 states have (on average 1.2878787878787878) internal successors, (85), 65 states have internal predecessors, (85), 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 02:31:37,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 85 transitions. [2023-11-12 02:31:37,870 INFO L240 hiAutomatonCegarLoop]: Abstraction has 66 states and 85 transitions. [2023-11-12 02:31:37,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:31:37,876 INFO L428 stractBuchiCegarLoop]: Abstraction has 66 states and 85 transitions. [2023-11-12 02:31:37,877 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-12 02:31:37,877 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states and 85 transitions. [2023-11-12 02:31:37,878 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 44 [2023-11-12 02:31:37,879 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:31:37,879 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:31:37,880 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:31:37,880 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 02:31:37,880 INFO L748 eck$LassoCheckResult]: Stem: 219#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 220#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1, main_~retValue_acc~5#1, main_~tmp~6#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 212#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 213#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 210#valid_product_returnLabel#1 main_#t~ret43#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret43#1;havoc main_#t~ret43#1; 184#L752 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 179#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; 180#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 227#L439-2 [2023-11-12 02:31:37,881 INFO L750 eck$LassoCheckResult]: Loop: 227#L439-2 assume !false; 222#L440 assume test_~splverifierCounter~0#1 < 4; 208#L441 havoc test_#t~nondet27#1;test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 176#L449 assume !(0 != test_~tmp~3#1); 178#L449-2 havoc test_#t~nondet28#1;test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 194#L459 assume !(0 != test_~tmp___0~0#1); 196#L459-2 havoc test_#t~nondet29#1;test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 198#L469 assume 0 != test_~tmp___2~0#1; 188#L475-2 assume { :begin_inline_timeShift } true; 217#L509 assume !(0 != ~pumpRunning~0); 199#L509-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 200#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 209#L516-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret41#1, __utac_acc__Specification2_spec__2_#t~ret42#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~5#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 231#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification2_spec__2_#t~ret41#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5#1 := __utac_acc__Specification2_spec__2_#t~ret41#1;havoc __utac_acc__Specification2_spec__2_#t~ret41#1; 228#L644 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5#1);~methAndRunningLastTime~0 := 0; 230#L644-1 havoc __utac_acc__Specification2_spec__2_#t~ret41#1, __utac_acc__Specification2_spec__2_#t~ret42#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 240#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 227#L439-2 [2023-11-12 02:31:37,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:37,882 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2023-11-12 02:31:37,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:31:37,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735846578] [2023-11-12 02:31:37,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:37,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:31:37,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:31:37,894 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:31:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:31:37,907 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:31:37,908 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:37,908 INFO L85 PathProgramCache]: Analyzing trace with hash 955549995, now seen corresponding path program 1 times [2023-11-12 02:31:37,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:31:37,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930901464] [2023-11-12 02:31:37,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:37,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:31:37,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:31:37,917 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:31:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:31:37,923 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:31:37,924 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:37,925 INFO L85 PathProgramCache]: Analyzing trace with hash 219608418, now seen corresponding path program 1 times [2023-11-12 02:31:37,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:31:37,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899043645] [2023-11-12 02:31:37,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:37,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:31:37,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:31:37,940 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:31:37,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:31:37,956 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:31:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:31:39,206 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:31:39,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:31:39,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 02:31:39 BoogieIcfgContainer [2023-11-12 02:31:39,294 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-12 02:31:39,296 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:31:39,296 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:31:39,297 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:31:39,298 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:31:36" (3/4) ... [2023-11-12 02:31:39,302 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-12 02:31:39,383 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d9edab-8b65-4d64-bd73-dc9accf7b7d6/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:31:39,389 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:31:39,390 INFO L158 Benchmark]: Toolchain (without parser) took 3703.60ms. Allocated memory was 151.0MB in the beginning and 192.9MB in the end (delta: 41.9MB). Free memory was 103.4MB in the beginning and 153.4MB in the end (delta: -49.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:31:39,392 INFO L158 Benchmark]: CDTParser took 0.90ms. Allocated memory is still 151.0MB. Free memory is still 92.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:31:39,395 INFO L158 Benchmark]: CACSL2BoogieTranslator took 552.72ms. Allocated memory is still 151.0MB. Free memory was 103.4MB in the beginning and 85.0MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 02:31:39,396 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.75ms. Allocated memory is still 151.0MB. Free memory was 85.0MB in the beginning and 82.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:31:39,397 INFO L158 Benchmark]: Boogie Preprocessor took 28.68ms. Allocated memory is still 151.0MB. Free memory was 82.5MB in the beginning and 81.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:31:39,397 INFO L158 Benchmark]: RCFGBuilder took 468.73ms. Allocated memory is still 151.0MB. Free memory was 81.2MB in the beginning and 66.0MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 02:31:39,399 INFO L158 Benchmark]: BuchiAutomizer took 2502.79ms. Allocated memory was 151.0MB in the beginning and 192.9MB in the end (delta: 41.9MB). Free memory was 65.6MB in the beginning and 155.5MB in the end (delta: -89.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:31:39,400 INFO L158 Benchmark]: Witness Printer took 93.81ms. Allocated memory is still 192.9MB. Free memory was 155.5MB in the beginning and 153.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:31:39,402 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.90ms. Allocated memory is still 151.0MB. Free memory is still 92.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 552.72ms. Allocated memory is still 151.0MB. Free memory was 103.4MB in the beginning and 85.0MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.75ms. Allocated memory is still 151.0MB. Free memory was 85.0MB in the beginning and 82.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.68ms. Allocated memory is still 151.0MB. Free memory was 82.5MB in the beginning and 81.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 468.73ms. Allocated memory is still 151.0MB. Free memory was 81.2MB in the beginning and 66.0MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 2502.79ms. Allocated memory was 151.0MB in the beginning and 192.9MB in the end (delta: 41.9MB). Free memory was 65.6MB in the beginning and 155.5MB in the end (delta: -89.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 93.81ms. Allocated memory is still 192.9MB. Free memory was 155.5MB in the beginning and 153.4MB 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,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [58] - GenericResultAtLocation [Line: 424]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [424] - GenericResultAtLocation [Line: 493]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [493] - GenericResultAtLocation [Line: 626]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [626] - GenericResultAtLocation [Line: 665]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [665] - GenericResultAtLocation [Line: 765]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [765] - GenericResultAtLocation [Line: 846]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [846] * 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 66 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. 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, 0 StatesRemovedByMinimization, 0 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, 352 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 352 mSDsluCounter, 95 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 90 mSDtfsCounter, 9 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: 439]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L228] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L501] int pumpRunning = 0; [L502] int systemActive = 1; [L627] int methAndRunningLastTime ; [L666] int cleanupTimeShifts = 4; [L767] int waterLevel = 1; [L768] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L743] int retValue_acc ; [L744] int tmp ; [L748] FCALL select_helpers() [L749] FCALL select_features() [L750] CALL, EXPR valid_product() [L873] int retValue_acc ; [L876] retValue_acc = 1 [L877] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L750] RET, EXPR valid_product() [L750] tmp = valid_product() [L752] COND TRUE \read(tmp) [L754] FCALL setup() [L755] CALL runTest() [L733] CALL __utac_acc__Specification2_spec__1() [L632] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L733] RET __utac_acc__Specification2_spec__1() [L734] CALL test() [L430] int splverifierCounter ; [L431] int tmp ; [L432] int tmp___0 ; [L433] int tmp___1 ; [L434] int tmp___2 ; [L437] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L439] COND TRUE 1 [L441] COND TRUE splverifierCounter < 4 [L447] tmp = __VERIFIER_nondet_int() [L449] COND FALSE !(\read(tmp)) [L457] tmp___0 = __VERIFIER_nondet_int() [L459] COND FALSE !(\read(tmp___0)) [L467] tmp___2 = __VERIFIER_nondet_int() [L469] COND TRUE \read(tmp___2) [L482] CALL timeShift() [L509] COND FALSE !(\read(pumpRunning)) [L516] COND TRUE \read(systemActive) [L518] FCALL processEnvironment() [L524] CALL __utac_acc__Specification2_spec__2() [L637] int tmp ; [L638] int tmp___0 ; [L642] CALL, EXPR isMethaneLevelCritical() [L806] int retValue_acc ; [L809] retValue_acc = methaneLevelCritical [L810] return (retValue_acc); [L642] RET, EXPR isMethaneLevelCritical() [L642] tmp = isMethaneLevelCritical() [L644] COND FALSE !(\read(tmp)) [L660] methAndRunningLastTime = 0 [L524] RET __utac_acc__Specification2_spec__2() [L482] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 439]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L228] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L501] int pumpRunning = 0; [L502] int systemActive = 1; [L627] int methAndRunningLastTime ; [L666] int cleanupTimeShifts = 4; [L767] int waterLevel = 1; [L768] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L743] int retValue_acc ; [L744] int tmp ; [L748] FCALL select_helpers() [L749] FCALL select_features() [L750] CALL, EXPR valid_product() [L873] int retValue_acc ; [L876] retValue_acc = 1 [L877] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L750] RET, EXPR valid_product() [L750] tmp = valid_product() [L752] COND TRUE \read(tmp) [L754] FCALL setup() [L755] CALL runTest() [L733] CALL __utac_acc__Specification2_spec__1() [L632] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L733] RET __utac_acc__Specification2_spec__1() [L734] CALL test() [L430] int splverifierCounter ; [L431] int tmp ; [L432] int tmp___0 ; [L433] int tmp___1 ; [L434] int tmp___2 ; [L437] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L439] COND TRUE 1 [L441] COND TRUE splverifierCounter < 4 [L447] tmp = __VERIFIER_nondet_int() [L449] COND FALSE !(\read(tmp)) [L457] tmp___0 = __VERIFIER_nondet_int() [L459] COND FALSE !(\read(tmp___0)) [L467] tmp___2 = __VERIFIER_nondet_int() [L469] COND TRUE \read(tmp___2) [L482] CALL timeShift() [L509] COND FALSE !(\read(pumpRunning)) [L516] COND TRUE \read(systemActive) [L518] FCALL processEnvironment() [L524] CALL __utac_acc__Specification2_spec__2() [L637] int tmp ; [L638] int tmp___0 ; [L642] CALL, EXPR isMethaneLevelCritical() [L806] int retValue_acc ; [L809] retValue_acc = methaneLevelCritical [L810] return (retValue_acc); [L642] RET, EXPR isMethaneLevelCritical() [L642] tmp = isMethaneLevelCritical() [L644] COND FALSE !(\read(tmp)) [L660] methAndRunningLastTime = 0 [L524] RET __utac_acc__Specification2_spec__2() [L482] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-12 02:31:39,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d9edab-8b65-4d64-bd73-dc9accf7b7d6/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with 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)