./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff 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_cf864f01-25ae-4e6b-a98f-8d8e5a3acbae/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf864f01-25ae-4e6b-a98f-8d8e5a3acbae/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_cf864f01-25ae-4e6b-a98f-8d8e5a3acbae/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf864f01-25ae-4e6b-a98f-8d8e5a3acbae/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf864f01-25ae-4e6b-a98f-8d8e5a3acbae/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_cf864f01-25ae-4e6b-a98f-8d8e5a3acbae/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 e25743107029d12d34dddb50b6115a3bfc10c36f90a80b04d3daa9d63cbcdce5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:44:10,939 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:44:11,028 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf864f01-25ae-4e6b-a98f-8d8e5a3acbae/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 07:44:11,037 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:44:11,038 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:44:11,076 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:44:11,077 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:44:11,077 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:44:11,078 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:44:11,083 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:44:11,084 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:44:11,085 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:44:11,085 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:44:11,087 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:44:11,087 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:44:11,088 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:44:11,088 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:44:11,089 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:44:11,090 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:44:11,090 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:44:11,091 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:44:11,091 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:44:11,092 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:44:11,092 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:44:11,092 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:44:11,093 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:44:11,093 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:44:11,094 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:44:11,094 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:44:11,094 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:44:11,096 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:44:11,096 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:44:11,096 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:44:11,097 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:44:11,097 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:44:11,098 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:44:11,099 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_cf864f01-25ae-4e6b-a98f-8d8e5a3acbae/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf864f01-25ae-4e6b-a98f-8d8e5a3acbae/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e25743107029d12d34dddb50b6115a3bfc10c36f90a80b04d3daa9d63cbcdce5 [2023-11-19 07:44:11,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:44:11,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:44:11,460 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:44:11,461 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:44:11,462 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:44:11,463 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf864f01-25ae-4e6b-a98f-8d8e5a3acbae/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c [2023-11-19 07:44:14,539 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:44:14,881 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:44:14,881 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf864f01-25ae-4e6b-a98f-8d8e5a3acbae/sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c [2023-11-19 07:44:14,915 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf864f01-25ae-4e6b-a98f-8d8e5a3acbae/bin/uautomizer-verify-uCwYo4JHxu/data/c98b062d6/84feb8e7b0584b80a0824a2ec01db74b/FLAG397221f03 [2023-11-19 07:44:14,934 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf864f01-25ae-4e6b-a98f-8d8e5a3acbae/bin/uautomizer-verify-uCwYo4JHxu/data/c98b062d6/84feb8e7b0584b80a0824a2ec01db74b [2023-11-19 07:44:14,937 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:44:14,938 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:44:14,939 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:44:14,940 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:44:14,947 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:44:14,947 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:44:14" (1/1) ... [2023-11-19 07:44:14,948 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d626692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:14, skipping insertion in model container [2023-11-19 07:44:14,949 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:44:14" (1/1) ... [2023-11-19 07:44:15,006 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:44:15,285 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:44:15,320 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:44:15,330 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [49] [2023-11-19 07:44:15,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [78] [2023-11-19 07:44:15,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] [2023-11-19 07:44:15,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [182] [2023-11-19 07:44:15,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [548] [2023-11-19 07:44:15,334 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [586] [2023-11-19 07:44:15,334 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [685] [2023-11-19 07:44:15,334 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [855] [2023-11-19 07:44:15,451 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:44:15,476 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:44:15,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:15 WrapperNode [2023-11-19 07:44:15,477 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:44:15,478 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:44:15,479 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:44:15,479 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:44:15,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:15" (1/1) ... [2023-11-19 07:44:15,513 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:15" (1/1) ... [2023-11-19 07:44:15,548 INFO L138 Inliner]: procedures = 53, calls = 96, calls flagged for inlining = 49, calls inlined = 52, statements flattened = 334 [2023-11-19 07:44:15,548 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:44:15,549 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:44:15,550 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:44:15,550 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:44:15,561 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:15" (1/1) ... [2023-11-19 07:44:15,561 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:15" (1/1) ... [2023-11-19 07:44:15,564 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:15" (1/1) ... [2023-11-19 07:44:15,564 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:15" (1/1) ... [2023-11-19 07:44:15,571 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:15" (1/1) ... [2023-11-19 07:44:15,577 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:15" (1/1) ... [2023-11-19 07:44:15,580 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:15" (1/1) ... [2023-11-19 07:44:15,582 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:15" (1/1) ... [2023-11-19 07:44:15,585 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:44:15,586 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:44:15,587 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:44:15,587 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:44:15,588 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:15" (1/1) ... [2023-11-19 07:44:15,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:44:15,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf864f01-25ae-4e6b-a98f-8d8e5a3acbae/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:15,643 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf864f01-25ae-4e6b-a98f-8d8e5a3acbae/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:15,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf864f01-25ae-4e6b-a98f-8d8e5a3acbae/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:44:15,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:44:15,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:44:15,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:44:15,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:44:15,879 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:44:15,882 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:44:16,314 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:44:16,325 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:44:16,325 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 07:44:16,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:44:16 BoogieIcfgContainer [2023-11-19 07:44:16,330 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:44:16,331 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:44:16,331 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:44:16,336 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:44:16,337 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:44:16,337 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:44:14" (1/3) ... [2023-11-19 07:44:16,338 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9d7e4f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:44:16, skipping insertion in model container [2023-11-19 07:44:16,338 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:44:16,338 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:15" (2/3) ... [2023-11-19 07:44:16,339 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9d7e4f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:44:16, skipping insertion in model container [2023-11-19 07:44:16,339 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:44:16,339 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:44:16" (3/3) ... [2023-11-19 07:44:16,341 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product19.cil.c [2023-11-19 07:44:16,403 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:44:16,403 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:44:16,403 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:44:16,404 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:44:16,404 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:44:16,404 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:44:16,404 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:44:16,404 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:44:16,410 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 109 states, 108 states have (on average 1.3518518518518519) internal successors, (146), 108 states have internal predecessors, (146), 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 07:44:16,434 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2023-11-19 07:44:16,434 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:44:16,434 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:44:16,442 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:44:16,442 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:44:16,443 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:44:16,443 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 109 states, 108 states have (on average 1.3518518518518519) internal successors, (146), 108 states have internal predecessors, (146), 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 07:44:16,451 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2023-11-19 07:44:16,451 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:44:16,452 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:44:16,453 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:44:16,453 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:44:16,459 INFO L748 eck$LassoCheckResult]: Stem: 23#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 25#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret35#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 18#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 90#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 76#valid_product_returnLabel#1true main_#t~ret35#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret35#1;havoc main_#t~ret35#1; 93#L672true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 59#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 70#L866-2true [2023-11-19 07:44:16,460 INFO L750 eck$LassoCheckResult]: Loop: 70#L866-2true assume !false; 94#L867true assume test_~splverifierCounter~0#1 < 4; 22#L868true havoc test_#t~nondet47#1;test_~tmp~7#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 80#L876true assume !(0 != test_~tmp~7#1); 75#L876-2true havoc test_#t~nondet48#1;test_~tmp___0~2#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 109#L886true assume !(0 != test_~tmp___0~2#1); 10#L886-2true havoc test_#t~nondet49#1;test_~tmp___2~0#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 8#L896true assume 0 != test_~tmp___2~0#1; 92#L902-2true assume { :begin_inline_timeShift } true; 32#L696true assume !(0 != ~pumpRunning~0); 15#L696-2true assume !(0 != ~systemActive~0); 34#L703-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 103#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification1_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret4#1;havoc __utac_acc__Specification1_spec__1_#t~ret4#1; 60#L61true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 96#L61-1true havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 49#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 70#L866-2true [2023-11-19 07:44:16,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:16,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2023-11-19 07:44:16,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:16,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860137214] [2023-11-19 07:44:16,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:16,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:16,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:16,595 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:44:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:16,635 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:44:16,639 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:16,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1634783066, now seen corresponding path program 1 times [2023-11-19 07:44:16,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:16,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684385686] [2023-11-19 07:44:16,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:16,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:16,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:16,651 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:44:16,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:16,661 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:44:16,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:16,663 INFO L85 PathProgramCache]: Analyzing trace with hash -279363990, now seen corresponding path program 1 times [2023-11-19 07:44:16,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:16,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61826235] [2023-11-19 07:44:16,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:16,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:16,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:16,928 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 07:44:16,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:44:16,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61826235] [2023-11-19 07:44:16,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61826235] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:44:16,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:44:16,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:44:16,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820274841] [2023-11-19 07:44:16,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:44:17,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:44:17,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:44:17,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:44:17,153 INFO L87 Difference]: Start difference. First operand has 109 states, 108 states have (on average 1.3518518518518519) internal successors, (146), 108 states have internal predecessors, (146), 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 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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 07:44:17,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:44:17,377 INFO L93 Difference]: Finished difference Result 263 states and 335 transitions. [2023-11-19 07:44:17,379 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 263 states and 335 transitions. [2023-11-19 07:44:17,400 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 167 [2023-11-19 07:44:17,410 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 263 states to 233 states and 305 transitions. [2023-11-19 07:44:17,413 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 233 [2023-11-19 07:44:17,415 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 233 [2023-11-19 07:44:17,415 INFO L73 IsDeterministic]: Start isDeterministic. Operand 233 states and 305 transitions. [2023-11-19 07:44:17,418 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:44:17,418 INFO L218 hiAutomatonCegarLoop]: Abstraction has 233 states and 305 transitions. [2023-11-19 07:44:17,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states and 305 transitions. [2023-11-19 07:44:17,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 145. [2023-11-19 07:44:17,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 145 states have (on average 1.3103448275862069) internal successors, (190), 144 states have internal predecessors, (190), 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 07:44:17,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 190 transitions. [2023-11-19 07:44:17,467 INFO L240 hiAutomatonCegarLoop]: Abstraction has 145 states and 190 transitions. [2023-11-19 07:44:17,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:44:17,472 INFO L428 stractBuchiCegarLoop]: Abstraction has 145 states and 190 transitions. [2023-11-19 07:44:17,473 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:44:17,473 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 145 states and 190 transitions. [2023-11-19 07:44:17,475 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 104 [2023-11-19 07:44:17,476 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:44:17,476 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:44:17,477 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:44:17,477 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:44:17,477 INFO L748 eck$LassoCheckResult]: Stem: 456#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 457#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret35#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 446#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 447#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~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 441#valid_product_returnLabel#1 main_#t~ret35#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret35#1;havoc main_#t~ret35#1; 442#L672 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 392#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 393#L866-2 [2023-11-19 07:44:17,478 INFO L750 eck$LassoCheckResult]: Loop: 393#L866-2 assume !false; 427#L867 assume test_~splverifierCounter~0#1 < 4; 453#L868 havoc test_#t~nondet47#1;test_~tmp~7#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 449#L876 assume !(0 != test_~tmp~7#1); 437#L876-2 havoc test_#t~nondet48#1;test_~tmp___0~2#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 438#L886 assume !(0 != test_~tmp___0~2#1); 417#L886-2 havoc test_#t~nondet49#1;test_~tmp___2~0#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 413#L896 assume 0 != test_~tmp___2~0#1; 415#L902-2 assume { :begin_inline_timeShift } true; 466#L696 assume !(0 != ~pumpRunning~0); 439#L696-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 440#L728 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 399#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 400#L728-1 havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 475#L703-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 476#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification1_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret4#1;havoc __utac_acc__Specification1_spec__1_#t~ret4#1; 394#L61 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 396#L61-1 havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 468#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 393#L866-2 [2023-11-19 07:44:17,479 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:17,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2023-11-19 07:44:17,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:17,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545245304] [2023-11-19 07:44:17,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:17,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:17,520 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:44:17,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:17,534 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:44:17,538 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:17,539 INFO L85 PathProgramCache]: Analyzing trace with hash -313170352, now seen corresponding path program 1 times [2023-11-19 07:44:17,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:17,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116620132] [2023-11-19 07:44:17,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:17,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:17,550 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:44:17,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:17,567 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:44:17,570 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:17,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1988973068, now seen corresponding path program 1 times [2023-11-19 07:44:17,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:17,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171317730] [2023-11-19 07:44:17,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:17,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:17,589 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:44:17,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:17,603 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:44:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:18,701 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:44:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:18,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:44:18 BoogieIcfgContainer [2023-11-19 07:44:18,755 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 07:44:18,755 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:44:18,756 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:44:18,756 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:44:18,756 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:44:16" (3/4) ... [2023-11-19 07:44:18,758 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-19 07:44:18,808 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf864f01-25ae-4e6b-a98f-8d8e5a3acbae/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:44:18,808 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:44:18,809 INFO L158 Benchmark]: Toolchain (without parser) took 3871.05ms. Allocated memory was 109.1MB in the beginning and 161.5MB in the end (delta: 52.4MB). Free memory was 63.3MB in the beginning and 112.7MB in the end (delta: -49.4MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2023-11-19 07:44:18,810 INFO L158 Benchmark]: CDTParser took 0.68ms. Allocated memory is still 109.1MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:44:18,810 INFO L158 Benchmark]: CACSL2BoogieTranslator took 538.01ms. Allocated memory is still 109.1MB. Free memory was 62.9MB in the beginning and 44.3MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:44:18,811 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.33ms. Allocated memory is still 109.1MB. Free memory was 44.3MB in the beginning and 41.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:44:18,811 INFO L158 Benchmark]: Boogie Preprocessor took 36.40ms. Allocated memory is still 109.1MB. Free memory was 41.6MB in the beginning and 39.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:44:18,812 INFO L158 Benchmark]: RCFGBuilder took 743.69ms. Allocated memory was 109.1MB in the beginning and 134.2MB in the end (delta: 25.2MB). Free memory was 39.9MB in the beginning and 91.8MB in the end (delta: -51.9MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2023-11-19 07:44:18,813 INFO L158 Benchmark]: BuchiAutomizer took 2423.62ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 91.8MB in the beginning and 114.7MB in the end (delta: -22.9MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2023-11-19 07:44:18,813 INFO L158 Benchmark]: Witness Printer took 53.23ms. Allocated memory is still 161.5MB. Free memory was 114.7MB in the beginning and 112.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:44:18,816 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68ms. Allocated memory is still 109.1MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 538.01ms. Allocated memory is still 109.1MB. Free memory was 62.9MB in the beginning and 44.3MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.33ms. Allocated memory is still 109.1MB. Free memory was 44.3MB in the beginning and 41.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.40ms. Allocated memory is still 109.1MB. Free memory was 41.6MB in the beginning and 39.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 743.69ms. Allocated memory was 109.1MB in the beginning and 134.2MB in the end (delta: 25.2MB). Free memory was 39.9MB in the beginning and 91.8MB in the end (delta: -51.9MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 2423.62ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 91.8MB in the beginning and 114.7MB in the end (delta: -22.9MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. * Witness Printer took 53.23ms. Allocated memory is still 161.5MB. Free memory was 114.7MB in the beginning and 112.7MB 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,"Specification1_spec.i","") [49] - GenericResultAtLocation [Line: 78]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [78] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] - GenericResultAtLocation [Line: 182]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [182] - GenericResultAtLocation [Line: 548]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [548] - GenericResultAtLocation [Line: 586]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [586] - GenericResultAtLocation [Line: 685]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [685] - GenericResultAtLocation [Line: 855]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [855] * 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 145 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 88 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, 588 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 588 mSDsluCounter, 716 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 589 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39 IncrementalHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 127 mSDtfsCounter, 39 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: 866]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L94] int waterLevel = 1; [L95] int methaneLevelCritical = 0; [L352] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L587] int cleanupTimeShifts = 4; [L689] int pumpRunning = 0; [L690] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L663] int retValue_acc ; [L664] int tmp ; [L668] FCALL select_helpers() [L669] FCALL select_features() [L670] CALL, EXPR valid_product() [L578] int retValue_acc ; [L581] retValue_acc = 1 [L582] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L670] RET, EXPR valid_product() [L670] tmp = valid_product() [L672] COND TRUE \read(tmp) [L674] FCALL setup() [L675] CALL runTest() [L657] CALL test() [L857] int splverifierCounter ; [L858] int tmp ; [L859] int tmp___0 ; [L860] int tmp___1 ; [L861] int tmp___2 ; [L864] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L866] COND TRUE 1 [L868] COND TRUE splverifierCounter < 4 [L874] tmp = __VERIFIER_nondet_int() [L876] COND FALSE !(\read(tmp)) [L884] tmp___0 = __VERIFIER_nondet_int() [L886] COND FALSE !(\read(tmp___0)) [L894] tmp___2 = __VERIFIER_nondet_int() [L896] COND TRUE \read(tmp___2) [L911] CALL timeShift() [L696] COND FALSE !(\read(pumpRunning)) [L703] COND TRUE \read(systemActive) [L705] CALL processEnvironment() [L725] int tmp ; [L728] COND FALSE !(\read(pumpRunning)) [L743] FCALL processEnvironment__wrappee__base() [L705] RET processEnvironment() [L711] CALL __utac_acc__Specification1_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR isMethaneLevelCritical() [L133] int retValue_acc ; [L136] retValue_acc = methaneLevelCritical [L137] return (retValue_acc); [L59] RET, EXPR isMethaneLevelCritical() [L59] tmp = isMethaneLevelCritical() [L61] COND FALSE !(\read(tmp)) [L711] RET __utac_acc__Specification1_spec__1() [L911] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 866]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L94] int waterLevel = 1; [L95] int methaneLevelCritical = 0; [L352] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L587] int cleanupTimeShifts = 4; [L689] int pumpRunning = 0; [L690] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L663] int retValue_acc ; [L664] int tmp ; [L668] FCALL select_helpers() [L669] FCALL select_features() [L670] CALL, EXPR valid_product() [L578] int retValue_acc ; [L581] retValue_acc = 1 [L582] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L670] RET, EXPR valid_product() [L670] tmp = valid_product() [L672] COND TRUE \read(tmp) [L674] FCALL setup() [L675] CALL runTest() [L657] CALL test() [L857] int splverifierCounter ; [L858] int tmp ; [L859] int tmp___0 ; [L860] int tmp___1 ; [L861] int tmp___2 ; [L864] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L866] COND TRUE 1 [L868] COND TRUE splverifierCounter < 4 [L874] tmp = __VERIFIER_nondet_int() [L876] COND FALSE !(\read(tmp)) [L884] tmp___0 = __VERIFIER_nondet_int() [L886] COND FALSE !(\read(tmp___0)) [L894] tmp___2 = __VERIFIER_nondet_int() [L896] COND TRUE \read(tmp___2) [L911] CALL timeShift() [L696] COND FALSE !(\read(pumpRunning)) [L703] COND TRUE \read(systemActive) [L705] CALL processEnvironment() [L725] int tmp ; [L728] COND FALSE !(\read(pumpRunning)) [L743] FCALL processEnvironment__wrappee__base() [L705] RET processEnvironment() [L711] CALL __utac_acc__Specification1_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR isMethaneLevelCritical() [L133] int retValue_acc ; [L136] retValue_acc = methaneLevelCritical [L137] return (retValue_acc); [L59] RET, EXPR isMethaneLevelCritical() [L59] tmp = isMethaneLevelCritical() [L61] COND FALSE !(\read(tmp)) [L711] RET __utac_acc__Specification1_spec__1() [L911] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 07:44:18,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf864f01-25ae-4e6b-a98f-8d8e5a3acbae/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)