./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6046e8a-8808-4d3e-9fcb-d8400bb5448b/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6046e8a-8808-4d3e-9fcb-d8400bb5448b/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6046e8a-8808-4d3e-9fcb-d8400bb5448b/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6046e8a-8808-4d3e-9fcb-d8400bb5448b/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6046e8a-8808-4d3e-9fcb-d8400bb5448b/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6046e8a-8808-4d3e-9fcb-d8400bb5448b/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8ef3a2966212a62c51376d0bc71e8b6c4dafa6b54b639f6f7c53dd815ae9709e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:18:11,918 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:18:12,036 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6046e8a-8808-4d3e-9fcb-d8400bb5448b/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-12 02:18:12,044 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:18:12,045 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:18:12,083 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:18:12,084 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:18:12,085 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:18:12,086 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:18:12,091 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:18:12,093 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:18:12,093 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-12 02:18:12,094 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-12 02:18:12,096 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-12 02:18:12,096 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-12 02:18:12,097 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-12 02:18:12,097 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-12 02:18:12,098 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:18:12,099 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-12 02:18:12,099 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:18:12,100 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:18:12,100 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:18:12,101 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:18:12,101 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-12 02:18:12,102 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-12 02:18:12,102 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-12 02:18:12,103 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:18:12,103 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:18:12,104 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:18:12,104 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-12 02:18:12,105 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:18:12,106 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:18:12,106 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:18:12,107 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:18:12,107 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:18:12,107 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-12 02:18:12,108 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_d6046e8a-8808-4d3e-9fcb-d8400bb5448b/bin/uautomizer-verify-uTZkv6EMXl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6046e8a-8808-4d3e-9fcb-d8400bb5448b/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ef3a2966212a62c51376d0bc71e8b6c4dafa6b54b639f6f7c53dd815ae9709e [2023-11-12 02:18:12,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:18:12,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:18:12,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:18:12,495 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:18:12,495 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:18:12,497 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6046e8a-8808-4d3e-9fcb-d8400bb5448b/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c [2023-11-12 02:18:15,752 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:18:16,043 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:18:16,043 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6046e8a-8808-4d3e-9fcb-d8400bb5448b/sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c [2023-11-12 02:18:16,057 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6046e8a-8808-4d3e-9fcb-d8400bb5448b/bin/uautomizer-verify-uTZkv6EMXl/data/e91dea686/70d1659ea83a4c82a48390660d7cd304/FLAG5d50ac424 [2023-11-12 02:18:16,073 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6046e8a-8808-4d3e-9fcb-d8400bb5448b/bin/uautomizer-verify-uTZkv6EMXl/data/e91dea686/70d1659ea83a4c82a48390660d7cd304 [2023-11-12 02:18:16,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:18:16,077 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:18:16,079 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:18:16,079 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:18:16,085 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:18:16,086 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:18:16" (1/1) ... [2023-11-12 02:18:16,087 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@442aa929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:16, skipping insertion in model container [2023-11-12 02:18:16,087 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:18:16" (1/1) ... [2023-11-12 02:18:16,146 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:18:16,428 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:18:16,443 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:18:16,461 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2023-11-12 02:18:16,462 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [58] [2023-11-12 02:18:16,463 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [96] [2023-11-12 02:18:16,463 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [221] [2023-11-12 02:18:16,463 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [291] [2023-11-12 02:18:16,464 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [372] [2023-11-12 02:18:16,464 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [398] [2023-11-12 02:18:16,464 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [764] [2023-11-12 02:18:16,567 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:18:16,594 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:18:16,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:16 WrapperNode [2023-11-12 02:18:16,595 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:18:16,596 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:18:16,597 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:18:16,597 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:18:16,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:16" (1/1) ... [2023-11-12 02:18:16,620 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:16" (1/1) ... [2023-11-12 02:18:16,650 INFO L138 Inliner]: procedures = 50, calls = 90, calls flagged for inlining = 43, calls inlined = 36, statements flattened = 231 [2023-11-12 02:18:16,650 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:18:16,651 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:18:16,652 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:18:16,652 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:18:16,663 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:16" (1/1) ... [2023-11-12 02:18:16,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:16" (1/1) ... [2023-11-12 02:18:16,666 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:16" (1/1) ... [2023-11-12 02:18:16,666 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:16" (1/1) ... [2023-11-12 02:18:16,673 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:16" (1/1) ... [2023-11-12 02:18:16,678 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:16" (1/1) ... [2023-11-12 02:18:16,680 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:16" (1/1) ... [2023-11-12 02:18:16,682 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:16" (1/1) ... [2023-11-12 02:18:16,685 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:18:16,686 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:18:16,686 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:18:16,687 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:18:16,693 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:16" (1/1) ... [2023-11-12 02:18:16,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:16,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6046e8a-8808-4d3e-9fcb-d8400bb5448b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:16,735 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6046e8a-8808-4d3e-9fcb-d8400bb5448b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:16,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6046e8a-8808-4d3e-9fcb-d8400bb5448b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-12 02:18:16,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:18:16,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:18:16,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:18:16,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:18:16,904 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:18:16,905 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:18:17,172 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:18:17,180 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:18:17,180 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 02:18:17,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:18:17 BoogieIcfgContainer [2023-11-12 02:18:17,183 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:18:17,184 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-12 02:18:17,184 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-12 02:18:17,194 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-12 02:18:17,195 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:18:17,195 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 02:18:16" (1/3) ... [2023-11-12 02:18:17,196 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7699b8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:18:17, skipping insertion in model container [2023-11-12 02:18:17,196 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:18:17,196 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:16" (2/3) ... [2023-11-12 02:18:17,200 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7699b8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:18:17, skipping insertion in model container [2023-11-12 02:18:17,201 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:18:17,201 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:18:17" (3/3) ... [2023-11-12 02:18:17,206 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product02.cil.c [2023-11-12 02:18:17,265 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-12 02:18:17,266 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-12 02:18:17,266 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-12 02:18:17,266 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-12 02:18:17,266 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-12 02:18:17,266 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-12 02:18:17,266 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-12 02:18:17,267 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-12 02:18:17,272 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 79 states, 78 states have (on average 1.358974358974359) internal successors, (106), 78 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:18:17,296 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2023-11-12 02:18:17,297 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:18:17,297 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:18:17,303 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:18:17,303 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:18:17,304 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-12 02:18:17,305 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 79 states, 78 states have (on average 1.358974358974359) internal successors, (106), 78 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:18:17,311 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2023-11-12 02:18:17,311 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:18:17,311 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:18:17,312 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:18:17,312 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:18:17,319 INFO L748 eck$LassoCheckResult]: Stem: 39#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 48#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~9#1, main_~tmp~5#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 32#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 46#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 25#valid_product_returnLabel#1true main_#t~ret48#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 47#L847true assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 5#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 53#L235-2true [2023-11-12 02:18:17,320 INFO L750 eck$LassoCheckResult]: Loop: 53#L235-2true assume !false; 70#L236true assume test_~splverifierCounter~0#1 < 4; 42#L237true havoc test_#t~nondet14#1;test_~tmp~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 35#L245true assume !(0 != test_~tmp~0#1); 15#L245-2true havoc test_#t~nondet15#1;test_~tmp___0~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 23#L255true assume !(0 != test_~tmp___0~0#1); 65#L255-2true havoc test_#t~nondet16#1;test_~tmp___2~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 6#L265true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 62#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 50#L273-2true assume { :begin_inline_timeShift } true; 61#L114true assume !(0 != ~pumpRunning~0); 49#L114-2true assume !(0 != ~systemActive~0); 44#L121-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret23#1, __utac_acc__Specification4_spec__1_#t~ret24#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;havoc getWaterLevel_~retValue_acc~5#1;getWaterLevel_~retValue_acc~5#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~5#1; 72#getWaterLevel_returnLabel#1true __utac_acc__Specification4_spec__1_#t~ret23#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret23#1;havoc __utac_acc__Specification4_spec__1_#t~ret23#1; 79#L381true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 41#L381-1true havoc __utac_acc__Specification4_spec__1_#t~ret23#1, __utac_acc__Specification4_spec__1_#t~ret24#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 73#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 53#L235-2true [2023-11-12 02:18:17,326 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:17,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2023-11-12 02:18:17,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:18:17,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570915468] [2023-11-12 02:18:17,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:17,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:18:17,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:17,487 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:18:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:17,551 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:18:17,555 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:17,556 INFO L85 PathProgramCache]: Analyzing trace with hash 289310915, now seen corresponding path program 1 times [2023-11-12 02:18:17,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:18:17,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377121028] [2023-11-12 02:18:17,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:17,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:18:17,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:17,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:18:17,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:18:17,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377121028] [2023-11-12 02:18:17,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377121028] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:18:17,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:18:17,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:18:17,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107248515] [2023-11-12 02:18:17,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:18:17,692 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-12 02:18:17,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:18:17,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:18:17,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:18:17,753 INFO L87 Difference]: Start difference. First operand has 79 states, 78 states have (on average 1.358974358974359) internal successors, (106), 78 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:18:17,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:18:17,818 INFO L93 Difference]: Finished difference Result 73 states and 90 transitions. [2023-11-12 02:18:17,820 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 73 states and 90 transitions. [2023-11-12 02:18:17,828 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2023-11-12 02:18:17,832 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 73 states to 63 states and 79 transitions. [2023-11-12 02:18:17,833 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 63 [2023-11-12 02:18:17,834 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 63 [2023-11-12 02:18:17,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 63 states and 79 transitions. [2023-11-12 02:18:17,835 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:18:17,836 INFO L218 hiAutomatonCegarLoop]: Abstraction has 63 states and 79 transitions. [2023-11-12 02:18:17,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states and 79 transitions. [2023-11-12 02:18:17,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2023-11-12 02:18:17,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 63 states have (on average 1.253968253968254) internal successors, (79), 62 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:18:17,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 79 transitions. [2023-11-12 02:18:17,879 INFO L240 hiAutomatonCegarLoop]: Abstraction has 63 states and 79 transitions. [2023-11-12 02:18:17,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:18:17,884 INFO L428 stractBuchiCegarLoop]: Abstraction has 63 states and 79 transitions. [2023-11-12 02:18:17,884 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-12 02:18:17,884 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states and 79 transitions. [2023-11-12 02:18:17,885 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2023-11-12 02:18:17,886 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:18:17,886 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:18:17,886 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:18:17,886 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:18:17,887 INFO L748 eck$LassoCheckResult]: Stem: 206#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 207#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~9#1, main_~tmp~5#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 198#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 199#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 193#valid_product_returnLabel#1 main_#t~ret48#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 194#L847 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 161#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 162#L235-2 [2023-11-12 02:18:17,887 INFO L750 eck$LassoCheckResult]: Loop: 162#L235-2 assume !false; 217#L236 assume test_~splverifierCounter~0#1 < 4; 210#L237 havoc test_#t~nondet14#1;test_~tmp~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 201#L245 assume !(0 != test_~tmp~0#1); 180#L245-2 havoc test_#t~nondet15#1;test_~tmp___0~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 181#L255 assume !(0 != test_~tmp___0~0#1); 188#L255-2 havoc test_#t~nondet16#1;test_~tmp___2~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 163#L265 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet17#1;test_~tmp___1~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 164#L273 assume 0 != test_~tmp___1~0#1; 214#L273-2 assume { :begin_inline_timeShift } true; 215#L114 assume !(0 != ~pumpRunning~0); 190#L114-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 191#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 192#L121-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret23#1, __utac_acc__Specification4_spec__1_#t~ret24#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;havoc getWaterLevel_~retValue_acc~5#1;getWaterLevel_~retValue_acc~5#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~5#1; 212#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret23#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret23#1;havoc __utac_acc__Specification4_spec__1_#t~ret23#1; 222#L381 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 187#L381-1 havoc __utac_acc__Specification4_spec__1_#t~ret23#1, __utac_acc__Specification4_spec__1_#t~ret24#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 209#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 162#L235-2 [2023-11-12 02:18:17,887 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:17,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2023-11-12 02:18:17,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:18:17,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320801531] [2023-11-12 02:18:17,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:17,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:18:17,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:17,903 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:18:17,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:17,918 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:18:17,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:17,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1426285479, now seen corresponding path program 1 times [2023-11-12 02:18:17,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:18:17,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467837481] [2023-11-12 02:18:17,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:17,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:18:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:17,928 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:18:17,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:17,937 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:18:17,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:17,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1686040469, now seen corresponding path program 1 times [2023-11-12 02:18:17,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:18:17,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555543808] [2023-11-12 02:18:17,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:17,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:18:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:17,964 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:18:17,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:18,004 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:18:19,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:19,253 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:18:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:19,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 02:18:19 BoogieIcfgContainer [2023-11-12 02:18:19,317 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-12 02:18:19,318 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:18:19,318 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:18:19,318 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:18:19,319 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:18:17" (3/4) ... [2023-11-12 02:18:19,320 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-12 02:18:19,399 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6046e8a-8808-4d3e-9fcb-d8400bb5448b/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:18:19,402 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:18:19,403 INFO L158 Benchmark]: Toolchain (without parser) took 3326.14ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 71.4MB in the beginning and 45.4MB in the end (delta: 26.0MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. [2023-11-12 02:18:19,404 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 111.1MB. Free memory was 84.5MB in the beginning and 84.3MB in the end (delta: 157.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:18:19,404 INFO L158 Benchmark]: CACSL2BoogieTranslator took 516.88ms. Allocated memory is still 111.1MB. Free memory was 71.1MB in the beginning and 52.9MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 02:18:19,405 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.20ms. Allocated memory is still 111.1MB. Free memory was 52.9MB in the beginning and 50.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:18:19,406 INFO L158 Benchmark]: Boogie Preprocessor took 34.10ms. Allocated memory is still 111.1MB. Free memory was 50.4MB in the beginning and 49.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:18:19,406 INFO L158 Benchmark]: RCFGBuilder took 496.99ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 49.0MB in the beginning and 96.6MB in the end (delta: -47.6MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2023-11-12 02:18:19,409 INFO L158 Benchmark]: BuchiAutomizer took 2132.68ms. Allocated memory is still 134.2MB. Free memory was 96.6MB in the beginning and 48.1MB in the end (delta: 48.5MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2023-11-12 02:18:19,409 INFO L158 Benchmark]: Witness Printer took 84.93ms. Allocated memory is still 134.2MB. Free memory was 48.1MB in the beginning and 45.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:18:19,412 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63ms. Allocated memory is still 111.1MB. Free memory was 84.5MB in the beginning and 84.3MB in the end (delta: 157.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 516.88ms. Allocated memory is still 111.1MB. Free memory was 71.1MB in the beginning and 52.9MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.20ms. Allocated memory is still 111.1MB. Free memory was 52.9MB in the beginning and 50.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.10ms. Allocated memory is still 111.1MB. Free memory was 50.4MB in the beginning and 49.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 496.99ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 49.0MB in the beginning and 96.6MB in the end (delta: -47.6MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 2132.68ms. Allocated memory is still 134.2MB. Free memory was 96.6MB in the beginning and 48.1MB in the end (delta: 48.5MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. * Witness Printer took 84.93ms. Allocated memory is still 134.2MB. Free memory was 48.1MB in the beginning and 45.4MB in the end (delta: 2.7MB). 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,"featureselect.i","") [58] - GenericResultAtLocation [Line: 96]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [96] - GenericResultAtLocation [Line: 221]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [221] - GenericResultAtLocation [Line: 291]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [291] - GenericResultAtLocation [Line: 372]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [372] - GenericResultAtLocation [Line: 398]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [398] - GenericResultAtLocation [Line: 764]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [764] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 63 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 85 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 85 mSDsluCounter, 87 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 87 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 235]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L106] int pumpRunning = 0; [L107] int systemActive = 1; [L293] int waterLevel = 1; [L294] int methaneLevelCritical = 0; [L568] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L765] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L838] int retValue_acc ; [L839] int tmp ; [L843] FCALL select_helpers() [L844] FCALL select_features() [L845] CALL, EXPR valid_product() [L88] int retValue_acc ; [L91] retValue_acc = 1 [L92] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L845] RET, EXPR valid_product() [L845] tmp = valid_product() [L847] COND TRUE \read(tmp) [L849] FCALL setup() [L850] CALL runTest() [L832] CALL test() [L226] int splverifierCounter ; [L227] int tmp ; [L228] int tmp___0 ; [L229] int tmp___1 ; [L230] int tmp___2 ; [L233] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L235] COND TRUE 1 [L237] COND TRUE splverifierCounter < 4 [L243] tmp = __VERIFIER_nondet_int() [L245] COND FALSE !(\read(tmp)) [L253] tmp___0 = __VERIFIER_nondet_int() [L255] COND FALSE !(\read(tmp___0)) [L263] tmp___2 = __VERIFIER_nondet_int() [L265] COND FALSE !(\read(tmp___2)) [L271] tmp___1 = __VERIFIER_nondet_int() [L273] COND TRUE \read(tmp___1) [L280] CALL timeShift() [L114] COND FALSE !(\read(pumpRunning)) [L121] COND TRUE \read(systemActive) [L123] FCALL processEnvironment() [L129] CALL __utac_acc__Specification4_spec__1() [L374] int tmp ; [L375] int tmp___0 ; [L379] CALL, EXPR getWaterLevel() [L364] int retValue_acc ; [L367] retValue_acc = waterLevel [L368] return (retValue_acc); [L379] RET, EXPR getWaterLevel() [L379] tmp = getWaterLevel() [L381] COND FALSE !(tmp == 0) [L129] RET __utac_acc__Specification4_spec__1() [L280] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 235]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L106] int pumpRunning = 0; [L107] int systemActive = 1; [L293] int waterLevel = 1; [L294] int methaneLevelCritical = 0; [L568] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L765] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L838] int retValue_acc ; [L839] int tmp ; [L843] FCALL select_helpers() [L844] FCALL select_features() [L845] CALL, EXPR valid_product() [L88] int retValue_acc ; [L91] retValue_acc = 1 [L92] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L845] RET, EXPR valid_product() [L845] tmp = valid_product() [L847] COND TRUE \read(tmp) [L849] FCALL setup() [L850] CALL runTest() [L832] CALL test() [L226] int splverifierCounter ; [L227] int tmp ; [L228] int tmp___0 ; [L229] int tmp___1 ; [L230] int tmp___2 ; [L233] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L235] COND TRUE 1 [L237] COND TRUE splverifierCounter < 4 [L243] tmp = __VERIFIER_nondet_int() [L245] COND FALSE !(\read(tmp)) [L253] tmp___0 = __VERIFIER_nondet_int() [L255] COND FALSE !(\read(tmp___0)) [L263] tmp___2 = __VERIFIER_nondet_int() [L265] COND FALSE !(\read(tmp___2)) [L271] tmp___1 = __VERIFIER_nondet_int() [L273] COND TRUE \read(tmp___1) [L280] CALL timeShift() [L114] COND FALSE !(\read(pumpRunning)) [L121] COND TRUE \read(systemActive) [L123] FCALL processEnvironment() [L129] CALL __utac_acc__Specification4_spec__1() [L374] int tmp ; [L375] int tmp___0 ; [L379] CALL, EXPR getWaterLevel() [L364] int retValue_acc ; [L367] retValue_acc = waterLevel [L368] return (retValue_acc); [L379] RET, EXPR getWaterLevel() [L379] tmp = getWaterLevel() [L381] COND FALSE !(tmp == 0) [L129] RET __utac_acc__Specification4_spec__1() [L280] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-12 02:18:19,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6046e8a-8808-4d3e-9fcb-d8400bb5448b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)