./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product47.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc 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_b17977f9-1d69-4bf3-bbbe-0e9e5ec750c2/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17977f9-1d69-4bf3-bbbe-0e9e5ec750c2/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17977f9-1d69-4bf3-bbbe-0e9e5ec750c2/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17977f9-1d69-4bf3-bbbe-0e9e5ec750c2/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product47.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17977f9-1d69-4bf3-bbbe-0e9e5ec750c2/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17977f9-1d69-4bf3-bbbe-0e9e5ec750c2/bin/uautomizer-verify-BQ2R08f2Ya --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 637e567dc685efcee308b97525909830094648d3754bb07704f538b9a7ab34e7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 00:24:09,190 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 00:24:09,271 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17977f9-1d69-4bf3-bbbe-0e9e5ec750c2/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-29 00:24:09,276 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 00:24:09,276 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 00:24:09,300 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 00:24:09,301 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 00:24:09,301 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 00:24:09,302 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 00:24:09,303 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 00:24:09,303 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 00:24:09,304 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 00:24:09,305 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 00:24:09,305 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-29 00:24:09,306 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-29 00:24:09,306 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-29 00:24:09,307 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-29 00:24:09,307 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-29 00:24:09,308 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-29 00:24:09,309 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 00:24:09,309 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-29 00:24:09,310 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 00:24:09,311 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 00:24:09,311 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 00:24:09,311 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 00:24:09,312 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-29 00:24:09,312 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-29 00:24:09,313 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-29 00:24:09,313 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 00:24:09,314 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 00:24:09,314 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 00:24:09,315 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-29 00:24:09,315 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 00:24:09,315 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 00:24:09,316 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 00:24:09,316 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 00:24:09,316 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 00:24:09,317 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-29 00:24:09,317 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_b17977f9-1d69-4bf3-bbbe-0e9e5ec750c2/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17977f9-1d69-4bf3-bbbe-0e9e5ec750c2/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 637e567dc685efcee308b97525909830094648d3754bb07704f538b9a7ab34e7 [2023-11-29 00:24:09,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 00:24:09,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 00:24:09,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 00:24:09,617 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 00:24:09,617 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 00:24:09,618 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17977f9-1d69-4bf3-bbbe-0e9e5ec750c2/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/product-lines/minepump_spec3_product47.cil.c [2023-11-29 00:24:12,552 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 00:24:12,784 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 00:24:12,785 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17977f9-1d69-4bf3-bbbe-0e9e5ec750c2/sv-benchmarks/c/product-lines/minepump_spec3_product47.cil.c [2023-11-29 00:24:12,800 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17977f9-1d69-4bf3-bbbe-0e9e5ec750c2/bin/uautomizer-verify-BQ2R08f2Ya/data/5f6772947/3d943de5e1504b8ea22e88026b57daa6/FLAG9c1c1173f [2023-11-29 00:24:12,815 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17977f9-1d69-4bf3-bbbe-0e9e5ec750c2/bin/uautomizer-verify-BQ2R08f2Ya/data/5f6772947/3d943de5e1504b8ea22e88026b57daa6 [2023-11-29 00:24:12,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 00:24:12,820 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 00:24:12,821 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 00:24:12,821 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 00:24:12,828 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 00:24:12,829 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:24:12" (1/1) ... [2023-11-29 00:24:12,830 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2641ba2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:12, skipping insertion in model container [2023-11-29 00:24:12,830 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:24:12" (1/1) ... [2023-11-29 00:24:12,884 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 00:24:13,205 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:24:13,222 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 00:24:13,233 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2023-11-29 00:24:13,235 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [58] [2023-11-29 00:24:13,235 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [162] [2023-11-29 00:24:13,235 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [197] [2023-11-29 00:24:13,236 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [563] [2023-11-29 00:24:13,236 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [631] [2023-11-29 00:24:13,236 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [849] [2023-11-29 00:24:13,236 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [944] [2023-11-29 00:24:13,300 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:24:13,322 INFO L206 MainTranslator]: Completed translation [2023-11-29 00:24:13,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:13 WrapperNode [2023-11-29 00:24:13,323 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 00:24:13,324 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 00:24:13,325 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 00:24:13,325 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 00:24:13,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:13" (1/1) ... [2023-11-29 00:24:13,348 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:13" (1/1) ... [2023-11-29 00:24:13,383 INFO L138 Inliner]: procedures = 55, calls = 103, calls flagged for inlining = 56, calls inlined = 103, statements flattened = 697 [2023-11-29 00:24:13,383 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 00:24:13,384 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 00:24:13,384 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 00:24:13,384 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 00:24:13,397 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:13" (1/1) ... [2023-11-29 00:24:13,397 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:13" (1/1) ... [2023-11-29 00:24:13,401 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:13" (1/1) ... [2023-11-29 00:24:13,420 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 00:24:13,421 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:13" (1/1) ... [2023-11-29 00:24:13,421 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:13" (1/1) ... [2023-11-29 00:24:13,435 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:13" (1/1) ... [2023-11-29 00:24:13,443 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:13" (1/1) ... [2023-11-29 00:24:13,446 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:13" (1/1) ... [2023-11-29 00:24:13,449 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:13" (1/1) ... [2023-11-29 00:24:13,454 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 00:24:13,455 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 00:24:13,456 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 00:24:13,456 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 00:24:13,457 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:13" (1/1) ... [2023-11-29 00:24:13,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:24:13,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17977f9-1d69-4bf3-bbbe-0e9e5ec750c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:24:13,496 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17977f9-1d69-4bf3-bbbe-0e9e5ec750c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 00:24:13,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17977f9-1d69-4bf3-bbbe-0e9e5ec750c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-29 00:24:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 00:24:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 00:24:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 00:24:13,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 00:24:13,652 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 00:24:13,655 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 00:24:14,110 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 00:24:14,126 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 00:24:14,126 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-29 00:24:14,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:24:14 BoogieIcfgContainer [2023-11-29 00:24:14,128 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 00:24:14,129 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-29 00:24:14,130 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-29 00:24:14,133 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-29 00:24:14,134 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 00:24:14,134 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 12:24:12" (1/3) ... [2023-11-29 00:24:14,135 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ed4d84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 12:24:14, skipping insertion in model container [2023-11-29 00:24:14,135 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 00:24:14,136 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:13" (2/3) ... [2023-11-29 00:24:14,136 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ed4d84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 12:24:14, skipping insertion in model container [2023-11-29 00:24:14,136 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 00:24:14,136 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:24:14" (3/3) ... [2023-11-29 00:24:14,138 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product47.cil.c [2023-11-29 00:24:14,202 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-29 00:24:14,202 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-29 00:24:14,202 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-29 00:24:14,202 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-29 00:24:14,202 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-29 00:24:14,203 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-29 00:24:14,203 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-29 00:24:14,203 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-29 00:24:14,209 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 193 states, 192 states have (on average 1.3541666666666667) internal successors, (260), 192 states have internal predecessors, (260), 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) [2023-11-29 00:24:14,242 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 126 [2023-11-29 00:24:14,242 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 00:24:14,242 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 00:24:14,249 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:24:14,250 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:24:14,250 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-29 00:24:14,251 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 193 states, 192 states have (on average 1.3541666666666667) internal successors, (260), 192 states have internal predecessors, (260), 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) [2023-11-29 00:24:14,264 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 126 [2023-11-29 00:24:14,264 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 00:24:14,264 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 00:24:14,266 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:24:14,266 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:24:14,271 INFO L748 eck$LassoCheckResult]: Stem: 108#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 117#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 17#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 174#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~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1; 58#valid_product_returnLabel#1true main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 61#L149true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 44#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_#t~nondet32#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 12#L575-2true [2023-11-29 00:24:14,272 INFO L750 eck$LassoCheckResult]: Loop: 12#L575-2true assume !false; 159#L576true assume test_~splverifierCounter~0#1 < 4; 141#L577true havoc test_#t~nondet29#1;test_~tmp~4#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 149#L585true assume !(0 != test_~tmp~4#1); 118#L585-2true havoc test_#t~nondet30#1;test_~tmp___0~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 193#L595true assume !(0 != test_~tmp___0~0#1); 130#L595-2true havoc test_#t~nondet31#1;test_~tmp___2~0#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 132#L605true assume 0 != test_~tmp___2~0#1; 64#L611-2true assume { :begin_inline_timeShift } true; 87#L647true assume !(0 != ~pumpRunning~0); 66#L647-2true assume !(0 != ~systemActive~0); 27#L654-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_#t~ret52#1, __utac_acc__Specification3_spec__1_#t~ret53#1, __utac_acc__Specification3_spec__1_~tmp~9#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~9#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 38#isMethaneLevelCritical_returnLabel#4true __utac_acc__Specification3_spec__1_#t~ret51#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~9#1 := __utac_acc__Specification3_spec__1_#t~ret51#1;havoc __utac_acc__Specification3_spec__1_#t~ret51#1; 189#L954true assume 0 != __utac_acc__Specification3_spec__1_~tmp~9#1; 99#L960-1true havoc __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_#t~ret52#1, __utac_acc__Specification3_spec__1_#t~ret53#1, __utac_acc__Specification3_spec__1_~tmp~9#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 137#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 12#L575-2true [2023-11-29 00:24:14,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:24:14,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2023-11-29 00:24:14,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:24:14,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138793797] [2023-11-29 00:24:14,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:24:14,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:24:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:24:14,380 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 00:24:14,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:24:14,418 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 00:24:14,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:24:14,421 INFO L85 PathProgramCache]: Analyzing trace with hash 879795542, now seen corresponding path program 1 times [2023-11-29 00:24:14,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:24:14,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440176075] [2023-11-29 00:24:14,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:24:14,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:24:14,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:24:14,433 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 00:24:14,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:24:14,445 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 00:24:14,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:24:14,447 INFO L85 PathProgramCache]: Analyzing trace with hash -2059752678, now seen corresponding path program 1 times [2023-11-29 00:24:14,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:24:14,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996639769] [2023-11-29 00:24:14,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:24:14,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:24:14,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:24:14,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:24:14,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:24:14,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996639769] [2023-11-29 00:24:14,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996639769] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:24:14,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:24:14,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:24:14,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961584016] [2023-11-29 00:24:14,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:24:14,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:24:14,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:24:14,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:24:14,808 INFO L87 Difference]: Start difference. First operand has 193 states, 192 states have (on average 1.3541666666666667) internal successors, (260), 192 states have internal predecessors, (260), 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) [2023-11-29 00:24:14,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:24:14,952 INFO L93 Difference]: Finished difference Result 437 states and 572 transitions. [2023-11-29 00:24:14,953 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 437 states and 572 transitions. [2023-11-29 00:24:14,964 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 283 [2023-11-29 00:24:14,973 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 437 states to 407 states and 542 transitions. [2023-11-29 00:24:14,975 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 407 [2023-11-29 00:24:14,976 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 407 [2023-11-29 00:24:14,977 INFO L73 IsDeterministic]: Start isDeterministic. Operand 407 states and 542 transitions. [2023-11-29 00:24:14,980 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:24:14,980 INFO L218 hiAutomatonCegarLoop]: Abstraction has 407 states and 542 transitions. [2023-11-29 00:24:14,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states and 542 transitions. [2023-11-29 00:24:15,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 235. [2023-11-29 00:24:15,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 235 states have (on average 1.3319148936170213) internal successors, (313), 234 states have internal predecessors, (313), 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) [2023-11-29 00:24:15,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 313 transitions. [2023-11-29 00:24:15,024 INFO L240 hiAutomatonCegarLoop]: Abstraction has 235 states and 313 transitions. [2023-11-29 00:24:15,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:24:15,029 INFO L428 stractBuchiCegarLoop]: Abstraction has 235 states and 313 transitions. [2023-11-29 00:24:15,029 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-29 00:24:15,029 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 235 states and 313 transitions. [2023-11-29 00:24:15,032 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 164 [2023-11-29 00:24:15,032 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 00:24:15,032 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 00:24:15,033 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:24:15,034 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:24:15,034 INFO L748 eck$LassoCheckResult]: Stem: 706#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 707#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 698#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 699#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~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1; 794#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 795#L149 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 777#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_#t~nondet32#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 682#L575-2 [2023-11-29 00:24:15,045 INFO L750 eck$LassoCheckResult]: Loop: 682#L575-2 assume !false; 683#L576 assume test_~splverifierCounter~0#1 < 4; 770#L577 havoc test_#t~nondet29#1;test_~tmp~4#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 771#L585 assume !(0 != test_~tmp~4#1); 689#L585-2 havoc test_#t~nondet30#1;test_~tmp___0~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 736#L595 assume !(0 != test_~tmp___0~0#1); 649#L595-2 havoc test_#t~nondet31#1;test_~tmp___2~0#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 756#L605 assume 0 != test_~tmp___2~0#1; 744#L611-2 assume { :begin_inline_timeShift } true; 801#L647 assume !(0 != ~pumpRunning~0); 782#L647-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret34#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 803#L705 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret33#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~5#1; 737#L679-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 650#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 651#L679-3 havoc processEnvironment__wrappee__methaneQuery_#t~ret33#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 694#L705-1 havoc processEnvironment_#t~ret34#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 734#L654-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_#t~ret52#1, __utac_acc__Specification3_spec__1_#t~ret53#1, __utac_acc__Specification3_spec__1_~tmp~9#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~9#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 735#isMethaneLevelCritical_returnLabel#4 __utac_acc__Specification3_spec__1_#t~ret51#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~9#1 := __utac_acc__Specification3_spec__1_#t~ret51#1;havoc __utac_acc__Specification3_spec__1_#t~ret51#1; 766#L954 assume 0 != __utac_acc__Specification3_spec__1_~tmp~9#1; 666#L960-1 havoc __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_#t~ret52#1, __utac_acc__Specification3_spec__1_#t~ret53#1, __utac_acc__Specification3_spec__1_~tmp~9#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 673#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 682#L575-2 [2023-11-29 00:24:15,047 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:24:15,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2023-11-29 00:24:15,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:24:15,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532052492] [2023-11-29 00:24:15,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:24:15,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:24:15,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:24:15,060 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 00:24:15,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:24:15,072 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 00:24:15,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:24:15,073 INFO L85 PathProgramCache]: Analyzing trace with hash 826102092, now seen corresponding path program 1 times [2023-11-29 00:24:15,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:24:15,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224603767] [2023-11-29 00:24:15,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:24:15,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:24:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:24:15,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:24:15,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:24:15,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224603767] [2023-11-29 00:24:15,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224603767] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:24:15,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:24:15,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:24:15,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812516085] [2023-11-29 00:24:15,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:24:15,100 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 00:24:15,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:24:15,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:24:15,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:24:15,102 INFO L87 Difference]: Start difference. First operand 235 states and 313 transitions. cyclomatic complexity: 81 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2023-11-29 00:24:15,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:24:15,180 INFO L93 Difference]: Finished difference Result 297 states and 379 transitions. [2023-11-29 00:24:15,181 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 297 states and 379 transitions. [2023-11-29 00:24:15,184 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 211 [2023-11-29 00:24:15,187 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 297 states to 297 states and 379 transitions. [2023-11-29 00:24:15,188 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 297 [2023-11-29 00:24:15,188 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 297 [2023-11-29 00:24:15,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 297 states and 379 transitions. [2023-11-29 00:24:15,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:24:15,190 INFO L218 hiAutomatonCegarLoop]: Abstraction has 297 states and 379 transitions. [2023-11-29 00:24:15,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states and 379 transitions. [2023-11-29 00:24:15,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 297. [2023-11-29 00:24:15,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 297 states have (on average 1.2760942760942762) internal successors, (379), 296 states have internal predecessors, (379), 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) [2023-11-29 00:24:15,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 379 transitions. [2023-11-29 00:24:15,206 INFO L240 hiAutomatonCegarLoop]: Abstraction has 297 states and 379 transitions. [2023-11-29 00:24:15,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:24:15,207 INFO L428 stractBuchiCegarLoop]: Abstraction has 297 states and 379 transitions. [2023-11-29 00:24:15,208 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-29 00:24:15,208 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 297 states and 379 transitions. [2023-11-29 00:24:15,210 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 211 [2023-11-29 00:24:15,210 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 00:24:15,211 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 00:24:15,212 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:24:15,212 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:24:15,212 INFO L748 eck$LassoCheckResult]: Stem: 1243#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1244#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 1237#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1238#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~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1; 1344#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 1345#L149 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1319#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_#t~nondet32#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1217#L575-2 [2023-11-29 00:24:15,212 INFO L750 eck$LassoCheckResult]: Loop: 1217#L575-2 assume !false; 1218#L576 assume test_~splverifierCounter~0#1 < 4; 1342#L577 havoc test_#t~nondet29#1;test_~tmp~4#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 1481#L585 assume !(0 != test_~tmp~4#1); 1479#L585-2 havoc test_#t~nondet30#1;test_~tmp___0~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 1383#L595 assume !(0 != test_~tmp___0~0#1); 1187#L595-2 havoc test_#t~nondet31#1;test_~tmp___2~0#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 1292#L605 assume 0 != test_~tmp___2~0#1; 1350#L611-2 assume { :begin_inline_timeShift } true; 1351#L647 assume !(0 != ~pumpRunning~0); 1354#L647-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret34#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 1355#L705 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret33#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~5#1; 1275#L679-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret45#1, isHighWaterLevel_~retValue_acc~8#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~8#1;havoc isHighWaterLevel_~tmp~8#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1; 1276#L934-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; 1269#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret45#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret45#1;havoc isHighWaterLevel_#t~ret45#1; 1270#L824-3 assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1227#L824-5 isHighWaterLevel_~retValue_acc~8#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~8#1; 1228#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__methaneQuery_#t~ret33#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret45#1, isHighWaterLevel_~retValue_acc~8#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~5#1 := processEnvironment__wrappee__methaneQuery_#t~ret33#1;havoc processEnvironment__wrappee__methaneQuery_#t~ret33#1; 1370#L683-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1263#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 1229#L679-3 havoc processEnvironment__wrappee__methaneQuery_#t~ret33#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1230#L705-1 havoc processEnvironment_#t~ret34#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 1299#L654-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_#t~ret52#1, __utac_acc__Specification3_spec__1_#t~ret53#1, __utac_acc__Specification3_spec__1_~tmp~9#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~9#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 1306#isMethaneLevelCritical_returnLabel#4 __utac_acc__Specification3_spec__1_#t~ret51#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~9#1 := __utac_acc__Specification3_spec__1_#t~ret51#1;havoc __utac_acc__Specification3_spec__1_#t~ret51#1; 1307#L954 assume 0 != __utac_acc__Specification3_spec__1_~tmp~9#1; 1201#L960-1 havoc __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_#t~ret52#1, __utac_acc__Specification3_spec__1_#t~ret53#1, __utac_acc__Specification3_spec__1_~tmp~9#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1208#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1217#L575-2 [2023-11-29 00:24:15,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:24:15,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2023-11-29 00:24:15,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:24:15,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167330857] [2023-11-29 00:24:15,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:24:15,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:24:15,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:24:15,223 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 00:24:15,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:24:15,234 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 00:24:15,235 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:24:15,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1851559036, now seen corresponding path program 1 times [2023-11-29 00:24:15,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:24:15,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839063343] [2023-11-29 00:24:15,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:24:15,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:24:15,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:24:15,244 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 00:24:15,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:24:15,253 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 00:24:15,254 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:24:15,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1476271296, now seen corresponding path program 1 times [2023-11-29 00:24:15,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:24:15,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598475829] [2023-11-29 00:24:15,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:24:15,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:24:15,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:24:15,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:24:15,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:24:15,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598475829] [2023-11-29 00:24:15,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598475829] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:24:15,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:24:15,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 00:24:15,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344213504] [2023-11-29 00:24:15,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:24:15,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:24:15,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 00:24:15,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:24:15,557 INFO L87 Difference]: Start difference. First operand 297 states and 379 transitions. cyclomatic complexity: 85 Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 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) [2023-11-29 00:24:15,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:24:15,723 INFO L93 Difference]: Finished difference Result 701 states and 888 transitions. [2023-11-29 00:24:15,723 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 701 states and 888 transitions. [2023-11-29 00:24:15,729 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 509 [2023-11-29 00:24:15,733 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 701 states to 701 states and 888 transitions. [2023-11-29 00:24:15,734 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 701 [2023-11-29 00:24:15,735 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 701 [2023-11-29 00:24:15,735 INFO L73 IsDeterministic]: Start isDeterministic. Operand 701 states and 888 transitions. [2023-11-29 00:24:15,736 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:24:15,736 INFO L218 hiAutomatonCegarLoop]: Abstraction has 701 states and 888 transitions. [2023-11-29 00:24:15,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states and 888 transitions. [2023-11-29 00:24:15,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 587. [2023-11-29 00:24:15,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 587 states have (on average 1.2589437819420783) internal successors, (739), 586 states have internal predecessors, (739), 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) [2023-11-29 00:24:15,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 739 transitions. [2023-11-29 00:24:15,760 INFO L240 hiAutomatonCegarLoop]: Abstraction has 587 states and 739 transitions. [2023-11-29 00:24:15,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 00:24:15,762 INFO L428 stractBuchiCegarLoop]: Abstraction has 587 states and 739 transitions. [2023-11-29 00:24:15,762 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-29 00:24:15,762 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 587 states and 739 transitions. [2023-11-29 00:24:15,766 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 422 [2023-11-29 00:24:15,766 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 00:24:15,766 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 00:24:15,767 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:24:15,767 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:24:15,767 INFO L748 eck$LassoCheckResult]: Stem: 2256#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 2257#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 2250#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2251#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~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1; 2370#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 2371#L149 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 2341#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_#t~nondet32#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 2229#L575-2 [2023-11-29 00:24:15,767 INFO L750 eck$LassoCheckResult]: Loop: 2229#L575-2 assume !false; 2230#L576 assume test_~splverifierCounter~0#1 < 4; 2333#L577 havoc test_#t~nondet29#1;test_~tmp~4#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 2334#L585 assume !(0 != test_~tmp~4#1); 2236#L585-2 havoc test_#t~nondet30#1;test_~tmp___0~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 2286#L595 assume !(0 != test_~tmp___0~0#1); 2732#L595-2 havoc test_#t~nondet31#1;test_~tmp___2~0#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 2731#L605 assume 0 != test_~tmp___2~0#1; 2729#L611-2 assume { :begin_inline_timeShift } true; 2715#L647 assume !(0 != ~pumpRunning~0); 2382#L647-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret34#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 2383#L705 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret33#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~5#1; 2289#L679-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret45#1, isHighWaterLevel_~retValue_acc~8#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~8#1;havoc isHighWaterLevel_~tmp~8#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1; 2290#L934-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; 2282#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret45#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret45#1;havoc isHighWaterLevel_#t~ret45#1; 2283#L824-3 assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~1#1 := 0; 2239#L824-5 isHighWaterLevel_~retValue_acc~8#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~8#1; 2240#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__methaneQuery_#t~ret33#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret45#1, isHighWaterLevel_~retValue_acc~8#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~5#1 := processEnvironment__wrappee__methaneQuery_#t~ret33#1;havoc processEnvironment__wrappee__methaneQuery_#t~ret33#1; 2403#L683-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 2276#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 2244#L679-3 havoc processEnvironment__wrappee__methaneQuery_#t~ret33#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 2753#L705-1 havoc processEnvironment_#t~ret34#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 2284#L654-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_#t~ret52#1, __utac_acc__Specification3_spec__1_#t~ret53#1, __utac_acc__Specification3_spec__1_~tmp~9#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~9#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 2285#isMethaneLevelCritical_returnLabel#4 __utac_acc__Specification3_spec__1_#t~ret51#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~9#1 := __utac_acc__Specification3_spec__1_#t~ret51#1;havoc __utac_acc__Specification3_spec__1_#t~ret51#1; 2324#L954 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~9#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 2322#getWaterLevel_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret52#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~2#1 := __utac_acc__Specification3_spec__1_#t~ret52#1;havoc __utac_acc__Specification3_spec__1_#t~ret52#1; 2211#L960 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2#1); 2213#L960-1 havoc __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_#t~ret52#1, __utac_acc__Specification3_spec__1_#t~ret53#1, __utac_acc__Specification3_spec__1_~tmp~9#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 2220#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 2229#L575-2 [2023-11-29 00:24:15,768 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:24:15,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 4 times [2023-11-29 00:24:15,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:24:15,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298347553] [2023-11-29 00:24:15,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:24:15,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:24:15,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:24:15,777 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 00:24:15,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:24:15,785 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 00:24:15,786 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:24:15,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1230578183, now seen corresponding path program 1 times [2023-11-29 00:24:15,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:24:15,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892121346] [2023-11-29 00:24:15,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:24:15,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:24:15,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:24:15,795 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 00:24:15,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:24:15,805 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 00:24:15,805 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:24:15,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1356312907, now seen corresponding path program 1 times [2023-11-29 00:24:15,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:24:15,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459836564] [2023-11-29 00:24:15,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:24:15,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:24:15,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:24:15,817 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 00:24:15,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:24:15,834 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 00:24:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:24:16,990 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 00:24:16,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:24:17,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 12:24:17 BoogieIcfgContainer [2023-11-29 00:24:17,044 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-29 00:24:17,045 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 00:24:17,045 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 00:24:17,045 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 00:24:17,046 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:24:14" (3/4) ... [2023-11-29 00:24:17,047 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-29 00:24:17,110 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17977f9-1d69-4bf3-bbbe-0e9e5ec750c2/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 00:24:17,110 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 00:24:17,111 INFO L158 Benchmark]: Toolchain (without parser) took 4291.19ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 124.7MB in the beginning and 138.0MB in the end (delta: -13.4MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2023-11-29 00:24:17,111 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 111.1MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:24:17,112 INFO L158 Benchmark]: CACSL2BoogieTranslator took 502.32ms. Allocated memory is still 163.6MB. Free memory was 124.7MB in the beginning and 127.4MB in the end (delta: -2.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 00:24:17,112 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.85ms. Allocated memory is still 163.6MB. Free memory was 127.4MB in the beginning and 124.0MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 00:24:17,113 INFO L158 Benchmark]: Boogie Preprocessor took 70.94ms. Allocated memory is still 163.6MB. Free memory was 124.0MB in the beginning and 119.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 00:24:17,113 INFO L158 Benchmark]: RCFGBuilder took 672.76ms. Allocated memory is still 163.6MB. Free memory was 119.8MB in the beginning and 92.5MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-29 00:24:17,114 INFO L158 Benchmark]: BuchiAutomizer took 2915.16ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 92.5MB in the beginning and 141.2MB in the end (delta: -48.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:24:17,114 INFO L158 Benchmark]: Witness Printer took 65.01ms. Allocated memory is still 197.1MB. Free memory was 140.1MB in the beginning and 138.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 00:24:17,116 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 111.1MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 502.32ms. Allocated memory is still 163.6MB. Free memory was 124.7MB in the beginning and 127.4MB in the end (delta: -2.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.85ms. Allocated memory is still 163.6MB. Free memory was 127.4MB in the beginning and 124.0MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.94ms. Allocated memory is still 163.6MB. Free memory was 124.0MB in the beginning and 119.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 672.76ms. Allocated memory is still 163.6MB. Free memory was 119.8MB in the beginning and 92.5MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 2915.16ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 92.5MB in the beginning and 141.2MB in the end (delta: -48.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 65.01ms. Allocated memory is still 197.1MB. Free memory was 140.1MB in the beginning and 138.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [58] - GenericResultAtLocation [Line: 162]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [162] - GenericResultAtLocation [Line: 197]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [197] - GenericResultAtLocation [Line: 563]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [563] - GenericResultAtLocation [Line: 631]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [631] - GenericResultAtLocation [Line: 849]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [849] - GenericResultAtLocation [Line: 944]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [944] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 587 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.1s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 286 StatesRemovedByMinimization, 2 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, 1803 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1803 mSDsluCounter, 2627 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1820 mSDsCounter, 53 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 188 IncrementalHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 53 mSolverCounterUnsat, 807 mSDtfsCounter, 188 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc2 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: 575]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L59] int cleanupTimeShifts = 4; [L367] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L639] int pumpRunning = 0; [L640] int systemActive = 1; [L851] int waterLevel = 1; [L852] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L140] int retValue_acc ; [L141] int tmp ; [L145] FCALL select_helpers() [L146] FCALL select_features() [L147] CALL, EXPR valid_product() [L189] int retValue_acc ; [L192] retValue_acc = 1 [L193] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L147] RET, EXPR valid_product() [L147] tmp = valid_product() [L149] COND TRUE \read(tmp) [L151] FCALL setup() [L152] CALL runTest() [L131] CALL test() [L566] int splverifierCounter ; [L567] int tmp ; [L568] int tmp___0 ; [L569] int tmp___1 ; [L570] int tmp___2 ; [L573] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L575] COND TRUE 1 [L577] COND TRUE splverifierCounter < 4 [L583] tmp = __VERIFIER_nondet_int() [L585] COND FALSE !(\read(tmp)) [L593] tmp___0 = __VERIFIER_nondet_int() [L595] COND FALSE !(\read(tmp___0)) [L603] tmp___2 = __VERIFIER_nondet_int() [L605] COND TRUE \read(tmp___2) [L620] CALL timeShift() [L647] COND FALSE !(\read(pumpRunning)) [L654] COND TRUE \read(systemActive) [L656] CALL processEnvironment() [L702] int tmp ; [L705] COND FALSE !(\read(pumpRunning)) [L720] CALL processEnvironment__wrappee__methaneQuery() [L676] int tmp ; [L679] COND TRUE ! pumpRunning [L681] CALL, EXPR isHighWaterLevel() [L816] int retValue_acc ; [L817] int tmp ; [L818] int tmp___0 ; [L822] CALL, EXPR isHighWaterSensorDry() [L931] int retValue_acc ; [L934] COND TRUE waterLevel < 2 [L935] retValue_acc = 1 [L936] return (retValue_acc); [L822] RET, EXPR isHighWaterSensorDry() [L822] tmp = isHighWaterSensorDry() [L824] COND TRUE \read(tmp) [L825] tmp___0 = 0 [L829] retValue_acc = tmp___0 [L830] return (retValue_acc); [L681] RET, EXPR isHighWaterLevel() [L681] tmp = isHighWaterLevel() [L683] COND FALSE !(\read(tmp)) [L689] FCALL processEnvironment__wrappee__base() [L720] RET processEnvironment__wrappee__methaneQuery() [L656] RET processEnvironment() [L662] CALL __utac_acc__Specification3_spec__1() [L946] int tmp ; [L947] int tmp___0 ; [L948] int tmp___1 ; [L952] CALL, EXPR isMethaneLevelCritical() [L890] int retValue_acc ; [L893] retValue_acc = methaneLevelCritical [L894] return (retValue_acc); [L952] RET, EXPR isMethaneLevelCritical() [L952] tmp = isMethaneLevelCritical() [L954] COND FALSE !(\read(tmp)) [L958] CALL, EXPR getWaterLevel() [L922] int retValue_acc ; [L925] retValue_acc = waterLevel [L926] return (retValue_acc); [L958] RET, EXPR getWaterLevel() [L958] tmp___0 = getWaterLevel() [L960] COND FALSE !(tmp___0 == 2) [L662] RET __utac_acc__Specification3_spec__1() [L620] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 575]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L59] int cleanupTimeShifts = 4; [L367] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L639] int pumpRunning = 0; [L640] int systemActive = 1; [L851] int waterLevel = 1; [L852] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L140] int retValue_acc ; [L141] int tmp ; [L145] FCALL select_helpers() [L146] FCALL select_features() [L147] CALL, EXPR valid_product() [L189] int retValue_acc ; [L192] retValue_acc = 1 [L193] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L147] RET, EXPR valid_product() [L147] tmp = valid_product() [L149] COND TRUE \read(tmp) [L151] FCALL setup() [L152] CALL runTest() [L131] CALL test() [L566] int splverifierCounter ; [L567] int tmp ; [L568] int tmp___0 ; [L569] int tmp___1 ; [L570] int tmp___2 ; [L573] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L575] COND TRUE 1 [L577] COND TRUE splverifierCounter < 4 [L583] tmp = __VERIFIER_nondet_int() [L585] COND FALSE !(\read(tmp)) [L593] tmp___0 = __VERIFIER_nondet_int() [L595] COND FALSE !(\read(tmp___0)) [L603] tmp___2 = __VERIFIER_nondet_int() [L605] COND TRUE \read(tmp___2) [L620] CALL timeShift() [L647] COND FALSE !(\read(pumpRunning)) [L654] COND TRUE \read(systemActive) [L656] CALL processEnvironment() [L702] int tmp ; [L705] COND FALSE !(\read(pumpRunning)) [L720] CALL processEnvironment__wrappee__methaneQuery() [L676] int tmp ; [L679] COND TRUE ! pumpRunning [L681] CALL, EXPR isHighWaterLevel() [L816] int retValue_acc ; [L817] int tmp ; [L818] int tmp___0 ; [L822] CALL, EXPR isHighWaterSensorDry() [L931] int retValue_acc ; [L934] COND TRUE waterLevel < 2 [L935] retValue_acc = 1 [L936] return (retValue_acc); [L822] RET, EXPR isHighWaterSensorDry() [L822] tmp = isHighWaterSensorDry() [L824] COND TRUE \read(tmp) [L825] tmp___0 = 0 [L829] retValue_acc = tmp___0 [L830] return (retValue_acc); [L681] RET, EXPR isHighWaterLevel() [L681] tmp = isHighWaterLevel() [L683] COND FALSE !(\read(tmp)) [L689] FCALL processEnvironment__wrappee__base() [L720] RET processEnvironment__wrappee__methaneQuery() [L656] RET processEnvironment() [L662] CALL __utac_acc__Specification3_spec__1() [L946] int tmp ; [L947] int tmp___0 ; [L948] int tmp___1 ; [L952] CALL, EXPR isMethaneLevelCritical() [L890] int retValue_acc ; [L893] retValue_acc = methaneLevelCritical [L894] return (retValue_acc); [L952] RET, EXPR isMethaneLevelCritical() [L952] tmp = isMethaneLevelCritical() [L954] COND FALSE !(\read(tmp)) [L958] CALL, EXPR getWaterLevel() [L922] int retValue_acc ; [L925] retValue_acc = waterLevel [L926] return (retValue_acc); [L958] RET, EXPR getWaterLevel() [L958] tmp___0 = getWaterLevel() [L960] COND FALSE !(tmp___0 == 2) [L662] RET __utac_acc__Specification3_spec__1() [L620] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-29 00:24:17,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17977f9-1d69-4bf3-bbbe-0e9e5ec750c2/bin/uautomizer-verify-BQ2R08f2Ya/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)