./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product37.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e7bb482b 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_3e1c06e7-9af2-4130-a78c-5a7612ca37da/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c06e7-9af2-4130-a78c-5a7612ca37da/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c06e7-9af2-4130-a78c-5a7612ca37da/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c06e7-9af2-4130-a78c-5a7612ca37da/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product37.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c06e7-9af2-4130-a78c-5a7612ca37da/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c06e7-9af2-4130-a78c-5a7612ca37da/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 577813f622c64f907053c4832aa01617433208d6dc94051427e21d3f2bb7bdeb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:08:26,984 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:08:27,099 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c06e7-9af2-4130-a78c-5a7612ca37da/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-06 22:08:27,106 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:08:27,107 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:08:27,139 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:08:27,140 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:08:27,141 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:08:27,142 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:08:27,143 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:08:27,143 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:08:27,144 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-06 22:08:27,145 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-06 22:08:27,146 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-06 22:08:27,147 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-06 22:08:27,147 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-06 22:08:27,148 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-06 22:08:27,149 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:08:27,150 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-06 22:08:27,150 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:08:27,151 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:08:27,152 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:08:27,153 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:08:27,153 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-06 22:08:27,154 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-06 22:08:27,155 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-06 22:08:27,155 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:08:27,156 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:08:27,156 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:08:27,157 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-06 22:08:27,158 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:08:27,158 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:08:27,159 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:08:27,159 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:08:27,160 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:08:27,161 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-06 22:08:27,161 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_3e1c06e7-9af2-4130-a78c-5a7612ca37da/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c06e7-9af2-4130-a78c-5a7612ca37da/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 577813f622c64f907053c4832aa01617433208d6dc94051427e21d3f2bb7bdeb [2023-11-06 22:08:27,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:08:27,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:08:27,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:08:27,557 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:08:27,558 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:08:27,559 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c06e7-9af2-4130-a78c-5a7612ca37da/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/product-lines/minepump_spec1_product37.cil.c [2023-11-06 22:08:31,412 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:08:31,733 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:08:31,734 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c06e7-9af2-4130-a78c-5a7612ca37da/sv-benchmarks/c/product-lines/minepump_spec1_product37.cil.c [2023-11-06 22:08:31,753 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c06e7-9af2-4130-a78c-5a7612ca37da/bin/uautomizer-verify-WvqO1wxjHP/data/a6d9c4273/edb796e1e8f8401c943339addbd769b4/FLAGeb88b870a [2023-11-06 22:08:31,786 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c06e7-9af2-4130-a78c-5a7612ca37da/bin/uautomizer-verify-WvqO1wxjHP/data/a6d9c4273/edb796e1e8f8401c943339addbd769b4 [2023-11-06 22:08:31,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:08:31,791 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:08:31,793 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:08:31,793 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:08:31,801 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:08:31,804 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:08:31" (1/1) ... [2023-11-06 22:08:31,806 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc0c585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:31, skipping insertion in model container [2023-11-06 22:08:31,806 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:08:31" (1/1) ... [2023-11-06 22:08:31,887 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:08:32,379 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:08:32,399 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:08:32,413 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2023-11-06 22:08:32,414 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [415] [2023-11-06 22:08:32,415 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [519] [2023-11-06 22:08:32,415 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [548] [2023-11-06 22:08:32,415 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [557] [2023-11-06 22:08:32,416 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [592] [2023-11-06 22:08:32,416 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [775] [2023-11-06 22:08:32,416 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [840] [2023-11-06 22:08:32,503 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:08:32,530 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:08:32,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:32 WrapperNode [2023-11-06 22:08:32,531 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:08:32,532 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:08:32,533 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:08:32,533 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:08:32,542 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:32" (1/1) ... [2023-11-06 22:08:32,561 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:32" (1/1) ... [2023-11-06 22:08:32,620 INFO L138 Inliner]: procedures = 53, calls = 98, calls flagged for inlining = 51, calls inlined = 80, statements flattened = 531 [2023-11-06 22:08:32,620 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:08:32,628 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:08:32,628 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:08:32,628 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:08:32,639 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:32" (1/1) ... [2023-11-06 22:08:32,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:32" (1/1) ... [2023-11-06 22:08:32,646 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:32" (1/1) ... [2023-11-06 22:08:32,646 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:32" (1/1) ... [2023-11-06 22:08:32,682 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:32" (1/1) ... [2023-11-06 22:08:32,690 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:32" (1/1) ... [2023-11-06 22:08:32,709 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:32" (1/1) ... [2023-11-06 22:08:32,712 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:32" (1/1) ... [2023-11-06 22:08:32,717 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:08:32,718 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:08:32,718 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:08:32,718 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:08:32,719 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:32" (1/1) ... [2023-11-06 22:08:32,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:08:32,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c06e7-9af2-4130-a78c-5a7612ca37da/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:08:32,776 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c06e7-9af2-4130-a78c-5a7612ca37da/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:08:32,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c06e7-9af2-4130-a78c-5a7612ca37da/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-06 22:08:32,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:08:32,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:08:32,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:08:32,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:08:32,923 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:08:32,925 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:08:33,499 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:08:33,510 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:08:33,511 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 22:08:33,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:08:33 BoogieIcfgContainer [2023-11-06 22:08:33,514 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:08:33,516 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-06 22:08:33,516 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-06 22:08:33,521 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-06 22:08:33,522 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:08:33,522 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.11 10:08:31" (1/3) ... [2023-11-06 22:08:33,524 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e79746c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:08:33, skipping insertion in model container [2023-11-06 22:08:33,524 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:08:33,524 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:32" (2/3) ... [2023-11-06 22:08:33,525 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e79746c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:08:33, skipping insertion in model container [2023-11-06 22:08:33,525 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:08:33,525 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:08:33" (3/3) ... [2023-11-06 22:08:33,527 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product37.cil.c [2023-11-06 22:08:33,610 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-06 22:08:33,610 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-06 22:08:33,610 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-06 22:08:33,610 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-06 22:08:33,611 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-06 22:08:33,611 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-06 22:08:33,611 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-06 22:08:33,611 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-06 22:08:33,618 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 159 states, 158 states have (on average 1.3670886075949367) internal successors, (216), 158 states have internal predecessors, (216), 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) [2023-11-06 22:08:33,656 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102 [2023-11-06 22:08:33,657 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:08:33,657 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:08:33,666 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:08:33,666 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:08:33,666 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-06 22:08:33,667 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 159 states, 158 states have (on average 1.3670886075949367) internal successors, (216), 158 states have internal predecessors, (216), 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) [2023-11-06 22:08:33,681 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102 [2023-11-06 22:08:33,681 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:08:33,682 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:08:33,683 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:08:33,683 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:08:33,689 INFO L748 eck$LassoCheckResult]: Stem: 27#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 35#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 22#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 128#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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 110#valid_product_returnLabel#1true main_#t~ret27#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1; 140#L506true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 77#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 40#L786-2true [2023-11-06 22:08:33,690 INFO L750 eck$LassoCheckResult]: Loop: 40#L786-2true assume !false; 146#L787true assume test_~splverifierCounter~0#1 < 4; 160#L788true havoc test_#t~nondet43#1;test_~tmp~8#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 104#L796true assume !(0 != test_~tmp~8#1); 57#L796-2true havoc test_#t~nondet44#1;test_~tmp___0~2#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 78#L806true assume !(0 != test_~tmp___0~2#1); 117#L806-2true havoc test_#t~nondet45#1;test_~tmp___2~0#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 79#L816true assume 0 != test_~tmp___2~0#1; 58#L822-2true assume { :begin_inline_timeShift } true; 59#L605true assume !(0 != ~pumpRunning~0); 89#L605-2true assume !(0 != ~systemActive~0); 136#L612-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret28#1, __utac_acc__Specification1_spec__1_#t~ret29#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~4#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#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; 74#isMethaneLevelCritical_returnLabel#2true __utac_acc__Specification1_spec__1_#t~ret28#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~4#1 := __utac_acc__Specification1_spec__1_#t~ret28#1;havoc __utac_acc__Specification1_spec__1_#t~ret28#1; 36#L531true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4#1); 13#L531-1true havoc __utac_acc__Specification1_spec__1_#t~ret28#1, __utac_acc__Specification1_spec__1_#t~ret29#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 64#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 40#L786-2true [2023-11-06 22:08:33,697 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:33,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2023-11-06 22:08:33,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:08:33,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465298440] [2023-11-06 22:08:33,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:33,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:33,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:08:33,819 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:08:33,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:08:33,886 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:08:33,891 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:33,891 INFO L85 PathProgramCache]: Analyzing trace with hash 975706630, now seen corresponding path program 1 times [2023-11-06 22:08:33,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:08:33,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635682223] [2023-11-06 22:08:33,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:33,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:33,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:08:33,928 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:08:33,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:08:33,939 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:08:33,941 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:33,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1963841590, now seen corresponding path program 1 times [2023-11-06 22:08:33,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:08:33,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156022223] [2023-11-06 22:08:33,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:33,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:33,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:34,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:08:34,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:08:34,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156022223] [2023-11-06 22:08:34,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156022223] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:08:34,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:08:34,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:08:34,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999976589] [2023-11-06 22:08:34,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:08:34,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:08:34,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:08:34,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:08:34,478 INFO L87 Difference]: Start difference. First operand has 159 states, 158 states have (on average 1.3670886075949367) internal successors, (216), 158 states have internal predecessors, (216), 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) [2023-11-06 22:08:34,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:08:34,603 INFO L93 Difference]: Finished difference Result 153 states and 199 transitions. [2023-11-06 22:08:34,605 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 153 states and 199 transitions. [2023-11-06 22:08:34,612 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 96 [2023-11-06 22:08:34,620 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 153 states to 143 states and 189 transitions. [2023-11-06 22:08:34,622 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 143 [2023-11-06 22:08:34,623 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 143 [2023-11-06 22:08:34,624 INFO L73 IsDeterministic]: Start isDeterministic. Operand 143 states and 189 transitions. [2023-11-06 22:08:34,626 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:08:34,626 INFO L218 hiAutomatonCegarLoop]: Abstraction has 143 states and 189 transitions. [2023-11-06 22:08:34,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states and 189 transitions. [2023-11-06 22:08:34,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2023-11-06 22:08:34,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 143 states have (on average 1.3216783216783217) internal successors, (189), 142 states have internal predecessors, (189), 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) [2023-11-06 22:08:34,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 189 transitions. [2023-11-06 22:08:34,672 INFO L240 hiAutomatonCegarLoop]: Abstraction has 143 states and 189 transitions. [2023-11-06 22:08:34,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:08:34,681 INFO L428 stractBuchiCegarLoop]: Abstraction has 143 states and 189 transitions. [2023-11-06 22:08:34,682 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-06 22:08:34,682 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 143 states and 189 transitions. [2023-11-06 22:08:34,686 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 96 [2023-11-06 22:08:34,686 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:08:34,687 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:08:34,688 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:08:34,688 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] [2023-11-06 22:08:34,688 INFO L748 eck$LassoCheckResult]: Stem: 373#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 374#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 364#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 365#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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 458#valid_product_returnLabel#1 main_#t~ret27#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1; 459#L506 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 432#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 393#L786-2 [2023-11-06 22:08:34,689 INFO L750 eck$LassoCheckResult]: Loop: 393#L786-2 assume !false; 394#L787 assume test_~splverifierCounter~0#1 < 4; 471#L788 havoc test_#t~nondet43#1;test_~tmp~8#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 455#L796 assume !(0 != test_~tmp~8#1); 411#L796-2 havoc test_#t~nondet44#1;test_~tmp___0~2#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 412#L806 assume !(0 != test_~tmp___0~2#1); 434#L806-2 havoc test_#t~nondet45#1;test_~tmp___2~0#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 435#L816 assume 0 != test_~tmp___2~0#1; 413#L822-2 assume { :begin_inline_timeShift } true; 414#L605 assume !(0 != ~pumpRunning~0); 405#L605-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 354#L663 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret31#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1; 356#L637-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 332#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 333#L637-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret31#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 395#L663-1 havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 396#L612-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret28#1, __utac_acc__Specification1_spec__1_#t~ret29#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~4#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#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; 427#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification1_spec__1_#t~ret28#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~4#1 := __utac_acc__Specification1_spec__1_#t~ret28#1;havoc __utac_acc__Specification1_spec__1_#t~ret28#1; 388#L531 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4#1); 346#L531-1 havoc __utac_acc__Specification1_spec__1_#t~ret28#1, __utac_acc__Specification1_spec__1_#t~ret29#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 347#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 393#L786-2 [2023-11-06 22:08:34,690 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:34,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2023-11-06 22:08:34,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:08:34,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362103393] [2023-11-06 22:08:34,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:34,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:08:34,707 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:08:34,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:08:34,723 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:08:34,723 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:34,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1379377957, now seen corresponding path program 1 times [2023-11-06 22:08:34,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:08:34,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368415054] [2023-11-06 22:08:34,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:34,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:34,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:34,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:08:34,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:08:34,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368415054] [2023-11-06 22:08:34,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368415054] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:08:34,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:08:34,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:08:34,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266891974] [2023-11-06 22:08:34,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:08:34,798 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-06 22:08:34,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:08:34,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:08:34,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:08:34,799 INFO L87 Difference]: Start difference. First operand 143 states and 189 transitions. cyclomatic complexity: 48 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) [2023-11-06 22:08:34,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:08:34,926 INFO L93 Difference]: Finished difference Result 198 states and 251 transitions. [2023-11-06 22:08:34,927 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 198 states and 251 transitions. [2023-11-06 22:08:34,936 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 138 [2023-11-06 22:08:34,945 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 198 states to 198 states and 251 transitions. [2023-11-06 22:08:34,947 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 198 [2023-11-06 22:08:34,948 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 198 [2023-11-06 22:08:34,948 INFO L73 IsDeterministic]: Start isDeterministic. Operand 198 states and 251 transitions. [2023-11-06 22:08:34,952 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:08:34,954 INFO L218 hiAutomatonCegarLoop]: Abstraction has 198 states and 251 transitions. [2023-11-06 22:08:34,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states and 251 transitions. [2023-11-06 22:08:34,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2023-11-06 22:08:34,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 198 states have (on average 1.2676767676767677) internal successors, (251), 197 states have internal predecessors, (251), 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) [2023-11-06 22:08:34,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 251 transitions. [2023-11-06 22:08:34,983 INFO L240 hiAutomatonCegarLoop]: Abstraction has 198 states and 251 transitions. [2023-11-06 22:08:34,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:08:34,988 INFO L428 stractBuchiCegarLoop]: Abstraction has 198 states and 251 transitions. [2023-11-06 22:08:34,988 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-06 22:08:34,994 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 198 states and 251 transitions. [2023-11-06 22:08:34,997 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 138 [2023-11-06 22:08:34,998 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:08:34,999 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:08:35,000 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:08:35,002 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] [2023-11-06 22:08:35,003 INFO L748 eck$LassoCheckResult]: Stem: 718#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 719#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 710#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 711#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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 808#valid_product_returnLabel#1 main_#t~ret27#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1; 809#L506 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 782#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 741#L786-2 [2023-11-06 22:08:35,004 INFO L750 eck$LassoCheckResult]: Loop: 741#L786-2 assume !false; 742#L787 assume test_~splverifierCounter~0#1 < 4; 821#L788 havoc test_#t~nondet43#1;test_~tmp~8#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 804#L796 assume !(0 != test_~tmp~8#1); 758#L796-2 havoc test_#t~nondet44#1;test_~tmp___0~2#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 759#L806 assume !(0 != test_~tmp___0~2#1); 781#L806-2 havoc test_#t~nondet45#1;test_~tmp___2~0#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 783#L816 assume 0 != test_~tmp___2~0#1; 760#L822-2 assume { :begin_inline_timeShift } true; 761#L605 assume !(0 != ~pumpRunning~0); 762#L605-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 698#L663 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret31#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1; 699#L637-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret42#1, isHighWaterLevel_~retValue_acc~8#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~8#1;havoc isHighWaterLevel_~tmp~7#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; 696#L925-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; 697#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret42#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret42#1;havoc isHighWaterLevel_#t~ret42#1; 733#L765-3 assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~1#1 := 0; 712#L765-5 isHighWaterLevel_~retValue_acc~8#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~8#1; 713#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret31#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret42#1, isHighWaterLevel_~retValue_acc~8#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~5#1 := processEnvironment__wrappee__highWaterSensor_#t~ret31#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret31#1; 756#L641-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 723#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 724#L637-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret31#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 739#L663-1 havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 740#L612-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret28#1, __utac_acc__Specification1_spec__1_#t~ret29#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~4#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#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; 775#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification1_spec__1_#t~ret28#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~4#1 := __utac_acc__Specification1_spec__1_#t~ret28#1;havoc __utac_acc__Specification1_spec__1_#t~ret28#1; 734#L531 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4#1); 692#L531-1 havoc __utac_acc__Specification1_spec__1_#t~ret28#1, __utac_acc__Specification1_spec__1_#t~ret29#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 693#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 741#L786-2 [2023-11-06 22:08:35,006 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:35,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2023-11-06 22:08:35,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:08:35,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775628161] [2023-11-06 22:08:35,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:35,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:35,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:08:35,043 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:08:35,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:08:35,062 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:08:35,068 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:35,069 INFO L85 PathProgramCache]: Analyzing trace with hash -875869955, now seen corresponding path program 1 times [2023-11-06 22:08:35,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:08:35,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978232369] [2023-11-06 22:08:35,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:35,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:35,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:08:35,100 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:08:35,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:08:35,121 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:08:35,122 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:35,123 INFO L85 PathProgramCache]: Analyzing trace with hash -500582215, now seen corresponding path program 1 times [2023-11-06 22:08:35,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:08:35,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135260229] [2023-11-06 22:08:35,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:35,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:08:35,142 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:08:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:08:35,163 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:08:36,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:08:36,751 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:08:36,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:08:36,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.11 10:08:36 BoogieIcfgContainer [2023-11-06 22:08:36,844 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-06 22:08:36,845 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:08:36,846 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:08:36,846 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:08:36,847 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:08:33" (3/4) ... [2023-11-06 22:08:36,848 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-06 22:08:36,968 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c06e7-9af2-4130-a78c-5a7612ca37da/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:08:36,968 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:08:36,973 INFO L158 Benchmark]: Toolchain (without parser) took 5182.18ms. Allocated memory was 163.6MB in the beginning and 207.6MB in the end (delta: 44.0MB). Free memory was 119.6MB in the beginning and 91.0MB in the end (delta: 28.5MB). Peak memory consumption was 74.4MB. Max. memory is 16.1GB. [2023-11-06 22:08:36,974 INFO L158 Benchmark]: CDTParser took 0.83ms. Allocated memory is still 113.2MB. Free memory is still 62.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:08:36,975 INFO L158 Benchmark]: CACSL2BoogieTranslator took 738.37ms. Allocated memory is still 163.6MB. Free memory was 119.2MB in the beginning and 100.7MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 22:08:36,976 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.07ms. Allocated memory is still 163.6MB. Free memory was 100.7MB in the beginning and 97.4MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:08:36,976 INFO L158 Benchmark]: Boogie Preprocessor took 88.98ms. Allocated memory is still 163.6MB. Free memory was 97.4MB in the beginning and 95.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:08:36,977 INFO L158 Benchmark]: RCFGBuilder took 796.78ms. Allocated memory is still 163.6MB. Free memory was 95.3MB in the beginning and 120.5MB in the end (delta: -25.2MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2023-11-06 22:08:36,978 INFO L158 Benchmark]: BuchiAutomizer took 3328.96ms. Allocated memory was 163.6MB in the beginning and 207.6MB in the end (delta: 44.0MB). Free memory was 120.5MB in the beginning and 94.2MB in the end (delta: 26.3MB). Peak memory consumption was 70.4MB. Max. memory is 16.1GB. [2023-11-06 22:08:36,979 INFO L158 Benchmark]: Witness Printer took 123.31ms. Allocated memory is still 207.6MB. Free memory was 94.2MB in the beginning and 91.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:08:36,981 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83ms. Allocated memory is still 113.2MB. Free memory is still 62.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 738.37ms. Allocated memory is still 163.6MB. Free memory was 119.2MB in the beginning and 100.7MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.07ms. Allocated memory is still 163.6MB. Free memory was 100.7MB in the beginning and 97.4MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.98ms. Allocated memory is still 163.6MB. Free memory was 97.4MB in the beginning and 95.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 796.78ms. Allocated memory is still 163.6MB. Free memory was 95.3MB in the beginning and 120.5MB in the end (delta: -25.2MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 3328.96ms. Allocated memory was 163.6MB in the beginning and 207.6MB in the end (delta: 44.0MB). Free memory was 120.5MB in the beginning and 94.2MB in the end (delta: 26.3MB). Peak memory consumption was 70.4MB. Max. memory is 16.1GB. * Witness Printer took 123.31ms. Allocated memory is still 207.6MB. Free memory was 94.2MB in the beginning and 91.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. 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,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [415] - GenericResultAtLocation [Line: 519]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [519] - GenericResultAtLocation [Line: 548]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [548] - GenericResultAtLocation [Line: 557]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [557] - GenericResultAtLocation [Line: 592]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [592] - GenericResultAtLocation [Line: 775]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [775] - GenericResultAtLocation [Line: 840]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [840] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 198 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 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, 899 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 899 mSDsluCounter, 485 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 91 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39 IncrementalHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 394 mSDtfsCounter, 39 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 786]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L416] int cleanupTimeShifts = 4; [L598] int pumpRunning = 0; [L599] int systemActive = 1; [L842] int waterLevel = 1; [L843] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L497] int retValue_acc ; [L498] int tmp ; [L502] FCALL select_helpers() [L503] FCALL select_features() [L504] CALL, EXPR valid_product() [L584] int retValue_acc ; [L587] retValue_acc = 1 [L588] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L504] RET, EXPR valid_product() [L504] tmp = valid_product() [L506] COND TRUE \read(tmp) [L508] FCALL setup() [L509] CALL runTest() [L488] CALL test() [L777] int splverifierCounter ; [L778] int tmp ; [L779] int tmp___0 ; [L780] int tmp___1 ; [L781] int tmp___2 ; [L784] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L786] COND TRUE 1 [L788] COND TRUE splverifierCounter < 4 [L794] tmp = __VERIFIER_nondet_int() [L796] COND FALSE !(\read(tmp)) [L804] tmp___0 = __VERIFIER_nondet_int() [L806] COND FALSE !(\read(tmp___0)) [L814] tmp___2 = __VERIFIER_nondet_int() [L816] COND TRUE \read(tmp___2) [L829] CALL timeShift() [L605] COND FALSE !(\read(pumpRunning)) [L612] COND TRUE \read(systemActive) [L614] CALL processEnvironment() [L660] int tmp ; [L663] COND FALSE !(\read(pumpRunning)) [L678] CALL processEnvironment__wrappee__highWaterSensor() [L634] int tmp ; [L637] COND TRUE ! pumpRunning [L639] CALL, EXPR isHighWaterLevel() [L757] int retValue_acc ; [L758] int tmp ; [L759] int tmp___0 ; [L763] CALL, EXPR isHighWaterSensorDry() [L922] int retValue_acc ; [L925] COND TRUE waterLevel < 2 [L926] retValue_acc = 1 [L927] return (retValue_acc); [L763] RET, EXPR isHighWaterSensorDry() [L763] tmp = isHighWaterSensorDry() [L765] COND TRUE \read(tmp) [L766] tmp___0 = 0 [L770] retValue_acc = tmp___0 [L771] return (retValue_acc); [L639] RET, EXPR isHighWaterLevel() [L639] tmp = isHighWaterLevel() [L641] COND FALSE !(\read(tmp)) [L647] FCALL processEnvironment__wrappee__base() [L678] RET processEnvironment__wrappee__highWaterSensor() [L614] RET processEnvironment() [L620] CALL __utac_acc__Specification1_spec__1() [L524] int tmp ; [L525] int tmp___0 ; [L529] CALL, EXPR isMethaneLevelCritical() [L881] int retValue_acc ; [L884] retValue_acc = methaneLevelCritical [L885] return (retValue_acc); [L529] RET, EXPR isMethaneLevelCritical() [L529] tmp = isMethaneLevelCritical() [L531] COND FALSE !(\read(tmp)) [L620] RET __utac_acc__Specification1_spec__1() [L829] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 786]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L416] int cleanupTimeShifts = 4; [L598] int pumpRunning = 0; [L599] int systemActive = 1; [L842] int waterLevel = 1; [L843] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L497] int retValue_acc ; [L498] int tmp ; [L502] FCALL select_helpers() [L503] FCALL select_features() [L504] CALL, EXPR valid_product() [L584] int retValue_acc ; [L587] retValue_acc = 1 [L588] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L504] RET, EXPR valid_product() [L504] tmp = valid_product() [L506] COND TRUE \read(tmp) [L508] FCALL setup() [L509] CALL runTest() [L488] CALL test() [L777] int splverifierCounter ; [L778] int tmp ; [L779] int tmp___0 ; [L780] int tmp___1 ; [L781] int tmp___2 ; [L784] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L786] COND TRUE 1 [L788] COND TRUE splverifierCounter < 4 [L794] tmp = __VERIFIER_nondet_int() [L796] COND FALSE !(\read(tmp)) [L804] tmp___0 = __VERIFIER_nondet_int() [L806] COND FALSE !(\read(tmp___0)) [L814] tmp___2 = __VERIFIER_nondet_int() [L816] COND TRUE \read(tmp___2) [L829] CALL timeShift() [L605] COND FALSE !(\read(pumpRunning)) [L612] COND TRUE \read(systemActive) [L614] CALL processEnvironment() [L660] int tmp ; [L663] COND FALSE !(\read(pumpRunning)) [L678] CALL processEnvironment__wrappee__highWaterSensor() [L634] int tmp ; [L637] COND TRUE ! pumpRunning [L639] CALL, EXPR isHighWaterLevel() [L757] int retValue_acc ; [L758] int tmp ; [L759] int tmp___0 ; [L763] CALL, EXPR isHighWaterSensorDry() [L922] int retValue_acc ; [L925] COND TRUE waterLevel < 2 [L926] retValue_acc = 1 [L927] return (retValue_acc); [L763] RET, EXPR isHighWaterSensorDry() [L763] tmp = isHighWaterSensorDry() [L765] COND TRUE \read(tmp) [L766] tmp___0 = 0 [L770] retValue_acc = tmp___0 [L771] return (retValue_acc); [L639] RET, EXPR isHighWaterLevel() [L639] tmp = isHighWaterLevel() [L641] COND FALSE !(\read(tmp)) [L647] FCALL processEnvironment__wrappee__base() [L678] RET processEnvironment__wrappee__highWaterSensor() [L614] RET processEnvironment() [L620] CALL __utac_acc__Specification1_spec__1() [L524] int tmp ; [L525] int tmp___0 ; [L529] CALL, EXPR isMethaneLevelCritical() [L881] int retValue_acc ; [L884] retValue_acc = methaneLevelCritical [L885] return (retValue_acc); [L529] RET, EXPR isMethaneLevelCritical() [L529] tmp = isMethaneLevelCritical() [L531] COND FALSE !(\read(tmp)) [L620] RET __utac_acc__Specification1_spec__1() [L829] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-06 22:08:37,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1c06e7-9af2-4130-a78c-5a7612ca37da/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)