./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 527bcce2 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_4fdeef9c-9c13-4185-b245-0e5f73260425/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdeef9c-9c13-4185-b245-0e5f73260425/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdeef9c-9c13-4185-b245-0e5f73260425/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdeef9c-9c13-4185-b245-0e5f73260425/bin/uautomizer-verify-bycVGegfSx/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdeef9c-9c13-4185-b245-0e5f73260425/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdeef9c-9c13-4185-b245-0e5f73260425/bin/uautomizer-verify-bycVGegfSx --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 95fb667c50ce40c1d7afa8c63adccd31fb19279643632f3d92a2ca85ced3f32b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:19:49,604 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:19:49,676 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdeef9c-9c13-4185-b245-0e5f73260425/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-21 22:19:49,682 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:19:49,683 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:19:49,712 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:19:49,713 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:19:49,714 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:19:49,715 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:19:49,715 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:19:49,716 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:19:49,717 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:19:49,717 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:19:49,718 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-21 22:19:49,719 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-21 22:19:49,719 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-21 22:19:49,720 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-21 22:19:49,721 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-21 22:19:49,721 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-21 22:19:49,722 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:19:49,722 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-21 22:19:49,727 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:19:49,727 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:19:49,728 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:19:49,732 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:19:49,733 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-21 22:19:49,733 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-21 22:19:49,735 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-21 22:19:49,735 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:19:49,736 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:19:49,737 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:19:49,738 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-21 22:19:49,738 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:19:49,738 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:19:49,739 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:19:49,739 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:19:49,739 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:19:49,740 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-21 22:19:49,740 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_4fdeef9c-9c13-4185-b245-0e5f73260425/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdeef9c-9c13-4185-b245-0e5f73260425/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95fb667c50ce40c1d7afa8c63adccd31fb19279643632f3d92a2ca85ced3f32b [2023-11-21 22:19:50,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:19:50,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:19:50,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:19:50,062 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:19:50,063 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:19:50,064 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdeef9c-9c13-4185-b245-0e5f73260425/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c [2023-11-21 22:19:53,240 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:19:53,494 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:19:53,494 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdeef9c-9c13-4185-b245-0e5f73260425/sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c [2023-11-21 22:19:53,510 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdeef9c-9c13-4185-b245-0e5f73260425/bin/uautomizer-verify-bycVGegfSx/data/f5c7f3c92/ee7f074b1d7e434293bcd0a0b8eb03b2/FLAG0591fc643 [2023-11-21 22:19:53,815 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdeef9c-9c13-4185-b245-0e5f73260425/bin/uautomizer-verify-bycVGegfSx/data/f5c7f3c92/ee7f074b1d7e434293bcd0a0b8eb03b2 [2023-11-21 22:19:53,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:19:53,819 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:19:53,821 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:19:53,821 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:19:53,828 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:19:53,829 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:19:53" (1/1) ... [2023-11-21 22:19:53,830 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@220dd856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:53, skipping insertion in model container [2023-11-21 22:19:53,830 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:19:53" (1/1) ... [2023-11-21 22:19:53,877 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:19:54,282 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:19:54,308 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:19:54,317 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2023-11-21 22:19:54,318 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [87] [2023-11-21 22:19:54,319 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [188] [2023-11-21 22:19:54,319 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [197] [2023-11-21 22:19:54,319 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [281] [2023-11-21 22:19:54,319 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [308] [2023-11-21 22:19:54,320 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [674] [2023-11-21 22:19:54,320 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [742] [2023-11-21 22:19:54,405 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:19:54,445 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:19:54,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:54 WrapperNode [2023-11-21 22:19:54,448 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:19:54,449 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:19:54,450 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:19:54,450 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:19:54,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:54" (1/1) ... [2023-11-21 22:19:54,472 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:54" (1/1) ... [2023-11-21 22:19:54,510 INFO L138 Inliner]: procedures = 51, calls = 95, calls flagged for inlining = 48, calls inlined = 52, statements flattened = 316 [2023-11-21 22:19:54,510 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:19:54,511 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:19:54,511 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:19:54,512 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:19:54,524 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:54" (1/1) ... [2023-11-21 22:19:54,525 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:54" (1/1) ... [2023-11-21 22:19:54,527 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:54" (1/1) ... [2023-11-21 22:19:54,557 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:19:54,558 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:54" (1/1) ... [2023-11-21 22:19:54,558 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:54" (1/1) ... [2023-11-21 22:19:54,566 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:54" (1/1) ... [2023-11-21 22:19:54,575 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:54" (1/1) ... [2023-11-21 22:19:54,576 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:54" (1/1) ... [2023-11-21 22:19:54,578 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:54" (1/1) ... [2023-11-21 22:19:54,582 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:19:54,583 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:19:54,583 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:19:54,583 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:19:54,584 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:54" (1/1) ... [2023-11-21 22:19:54,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:19:54,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdeef9c-9c13-4185-b245-0e5f73260425/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:19:54,639 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdeef9c-9c13-4185-b245-0e5f73260425/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:19:54,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdeef9c-9c13-4185-b245-0e5f73260425/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-21 22:19:54,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:19:54,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:19:54,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:19:54,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:19:54,758 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:19:54,760 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:19:55,120 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:19:55,132 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:19:55,132 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 22:19:55,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:19:55 BoogieIcfgContainer [2023-11-21 22:19:55,134 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:19:55,135 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-21 22:19:55,135 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-21 22:19:55,139 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-21 22:19:55,140 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:19:55,140 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 10:19:53" (1/3) ... [2023-11-21 22:19:55,141 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6063ccb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:19:55, skipping insertion in model container [2023-11-21 22:19:55,141 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:19:55,141 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:54" (2/3) ... [2023-11-21 22:19:55,142 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6063ccb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:19:55, skipping insertion in model container [2023-11-21 22:19:55,142 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:19:55,142 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:19:55" (3/3) ... [2023-11-21 22:19:55,144 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product07.cil.c [2023-11-21 22:19:55,204 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-21 22:19:55,207 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-21 22:19:55,208 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-21 22:19:55,208 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-21 22:19:55,208 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-21 22:19:55,209 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-21 22:19:55,209 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-21 22:19:55,209 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-21 22:19:55,218 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 103 states, 102 states have (on average 1.3431372549019607) internal successors, (137), 102 states have internal predecessors, (137), 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) [2023-11-21 22:19:55,240 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2023-11-21 22:19:55,241 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:19:55,241 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:19:55,248 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:19:55,248 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:19:55,248 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-21 22:19:55,249 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 103 states, 102 states have (on average 1.3431372549019607) internal successors, (137), 102 states have internal predecessors, (137), 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) [2023-11-21 22:19:55,256 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2023-11-21 22:19:55,260 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:19:55,260 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:19:55,261 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:19:55,262 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:19:55,267 INFO L748 eck$LassoCheckResult]: Stem: 21#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 24#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 19#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 88#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; 74#valid_product_returnLabel#1true main_#t~ret5#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1; 7#L175true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 56#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 72#L686-2true [2023-11-21 22:19:55,268 INFO L750 eck$LassoCheckResult]: Loop: 72#L686-2true assume !false; 37#L687true assume test_~splverifierCounter~0#1 < 4; 82#L688true havoc test_#t~nondet36#1;test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 28#L696true assume !(0 != test_~tmp~5#1); 18#L696-2true havoc test_#t~nondet37#1;test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 91#L706true assume !(0 != test_~tmp___0~1#1); 80#L706-2true havoc test_#t~nondet38#1;test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 29#L716true assume 0 != test_~tmp___2~0#1; 101#L722-2true assume { :begin_inline_timeShift } true; 58#L752true assume !(0 != ~pumpRunning~0); 59#L752-2true assume !(0 != ~systemActive~0); 17#L759-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret11#1, __utac_acc__Specification4_spec__1_#t~ret12#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 45#getWaterLevel_returnLabel#1true __utac_acc__Specification4_spec__1_#t~ret11#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret11#1;havoc __utac_acc__Specification4_spec__1_#t~ret11#1; 65#L291true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 36#L291-1true havoc __utac_acc__Specification4_spec__1_#t~ret11#1, __utac_acc__Specification4_spec__1_#t~ret12#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 46#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 72#L686-2true [2023-11-21 22:19:55,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:19:55,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2023-11-21 22:19:55,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:19:55,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502007202] [2023-11-21 22:19:55,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:19:55,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:19:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:19:55,396 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:19:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:19:55,450 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:19:55,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:19:55,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1841867258, now seen corresponding path program 1 times [2023-11-21 22:19:55,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:19:55,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006850743] [2023-11-21 22:19:55,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:19:55,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:19:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:19:55,466 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:19:55,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:19:55,485 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:19:55,486 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:19:55,487 INFO L85 PathProgramCache]: Analyzing trace with hash -486448182, now seen corresponding path program 1 times [2023-11-21 22:19:55,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:19:55,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583511628] [2023-11-21 22:19:55,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:19:55,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:19:55,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:55,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:19:55,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:19:55,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583511628] [2023-11-21 22:19:55,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583511628] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:19:55,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:19:55,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:19:55,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57218331] [2023-11-21 22:19:55,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:19:55,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:19:56,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:19:56,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:19:56,020 INFO L87 Difference]: Start difference. First operand has 103 states, 102 states have (on average 1.3431372549019607) internal successors, (137), 102 states have internal predecessors, (137), 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) [2023-11-21 22:19:56,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:19:56,155 INFO L93 Difference]: Finished difference Result 251 states and 317 transitions. [2023-11-21 22:19:56,157 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 251 states and 317 transitions. [2023-11-21 22:19:56,179 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 159 [2023-11-21 22:19:56,189 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 251 states to 221 states and 287 transitions. [2023-11-21 22:19:56,190 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 221 [2023-11-21 22:19:56,191 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 221 [2023-11-21 22:19:56,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 221 states and 287 transitions. [2023-11-21 22:19:56,198 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:19:56,198 INFO L218 hiAutomatonCegarLoop]: Abstraction has 221 states and 287 transitions. [2023-11-21 22:19:56,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states and 287 transitions. [2023-11-21 22:19:56,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 139. [2023-11-21 22:19:56,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 139 states have (on average 1.3021582733812949) internal successors, (181), 138 states have internal predecessors, (181), 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) [2023-11-21 22:19:56,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 181 transitions. [2023-11-21 22:19:56,268 INFO L240 hiAutomatonCegarLoop]: Abstraction has 139 states and 181 transitions. [2023-11-21 22:19:56,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:19:56,273 INFO L428 stractBuchiCegarLoop]: Abstraction has 139 states and 181 transitions. [2023-11-21 22:19:56,273 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-21 22:19:56,274 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 139 states and 181 transitions. [2023-11-21 22:19:56,277 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 100 [2023-11-21 22:19:56,280 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:19:56,280 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:19:56,281 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:19:56,281 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:19:56,282 INFO L748 eck$LassoCheckResult]: Stem: 434#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 435#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 428#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 429#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; 424#valid_product_returnLabel#1 main_#t~ret5#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1; 380#L175 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 376#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 377#L686-2 [2023-11-21 22:19:56,282 INFO L750 eck$LassoCheckResult]: Loop: 377#L686-2 assume !false; 415#L687 assume test_~splverifierCounter~0#1 < 4; 436#L688 havoc test_#t~nondet36#1;test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 437#L696 assume !(0 != test_~tmp~5#1); 422#L696-2 havoc test_#t~nondet37#1;test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 423#L706 assume !(0 != test_~tmp___0~1#1); 411#L706-2 havoc test_#t~nondet38#1;test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 432#L716 assume 0 != test_~tmp___2~0#1; 448#L722-2 assume { :begin_inline_timeShift } true; 383#L752 assume !(0 != ~pumpRunning~0); 384#L752-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 386#L784 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 389#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 390#L784-1 havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 420#L759-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret11#1, __utac_acc__Specification4_spec__1_#t~ret12#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 421#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret11#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret11#1;havoc __utac_acc__Specification4_spec__1_#t~ret11#1; 403#L291 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 394#L291-1 havoc __utac_acc__Specification4_spec__1_#t~ret11#1, __utac_acc__Specification4_spec__1_#t~ret12#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 455#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 377#L686-2 [2023-11-21 22:19:56,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:19:56,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2023-11-21 22:19:56,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:19:56,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237454795] [2023-11-21 22:19:56,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:19:56,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:19:56,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:19:56,329 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:19:56,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:19:56,345 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:19:56,353 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:19:56,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1752583472, now seen corresponding path program 1 times [2023-11-21 22:19:56,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:19:56,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875978499] [2023-11-21 22:19:56,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:19:56,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:19:56,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:19:56,369 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:19:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:19:56,388 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:19:56,393 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:19:56,393 INFO L85 PathProgramCache]: Analyzing trace with hash 549559948, now seen corresponding path program 1 times [2023-11-21 22:19:56,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:19:56,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434022345] [2023-11-21 22:19:56,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:19:56,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:19:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:19:56,421 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:19:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:19:56,459 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:19:57,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:19:57,563 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:19:57,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:19:57,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 10:19:57 BoogieIcfgContainer [2023-11-21 22:19:57,633 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-21 22:19:57,634 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:19:57,634 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:19:57,634 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:19:57,635 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:19:55" (3/4) ... [2023-11-21 22:19:57,636 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-21 22:19:57,744 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdeef9c-9c13-4185-b245-0e5f73260425/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:19:57,745 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:19:57,746 INFO L158 Benchmark]: Toolchain (without parser) took 3926.67ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 100.9MB in the beginning and 96.5MB in the end (delta: 4.5MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. [2023-11-21 22:19:57,747 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 67.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:19:57,752 INFO L158 Benchmark]: CACSL2BoogieTranslator took 627.56ms. Allocated memory is still 146.8MB. Free memory was 100.5MB in the beginning and 82.1MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 22:19:57,753 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.14ms. Allocated memory is still 146.8MB. Free memory was 82.1MB in the beginning and 79.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:19:57,753 INFO L158 Benchmark]: Boogie Preprocessor took 70.84ms. Allocated memory is still 146.8MB. Free memory was 79.5MB in the beginning and 77.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:19:57,753 INFO L158 Benchmark]: RCFGBuilder took 551.53ms. Allocated memory is still 146.8MB. Free memory was 77.0MB in the beginning and 106.4MB in the end (delta: -29.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 22:19:57,754 INFO L158 Benchmark]: BuchiAutomizer took 2498.06ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 106.4MB in the beginning and 98.6MB in the end (delta: 7.8MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2023-11-21 22:19:57,754 INFO L158 Benchmark]: Witness Printer took 111.44ms. Allocated memory is still 176.2MB. Free memory was 98.6MB in the beginning and 96.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:19:57,757 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 67.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 627.56ms. Allocated memory is still 146.8MB. Free memory was 100.5MB in the beginning and 82.1MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.14ms. Allocated memory is still 146.8MB. Free memory was 82.1MB in the beginning and 79.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.84ms. Allocated memory is still 146.8MB. Free memory was 79.5MB in the beginning and 77.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 551.53ms. Allocated memory is still 146.8MB. Free memory was 77.0MB in the beginning and 106.4MB in the end (delta: -29.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 2498.06ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 106.4MB in the beginning and 98.6MB in the end (delta: 7.8MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. * Witness Printer took 111.44ms. Allocated memory is still 176.2MB. Free memory was 98.6MB in the beginning and 96.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [87] - GenericResultAtLocation [Line: 188]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [188] - GenericResultAtLocation [Line: 197]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [197] - GenericResultAtLocation [Line: 281]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [281] - GenericResultAtLocation [Line: 308]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [308] - GenericResultAtLocation [Line: 674]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [674] - GenericResultAtLocation [Line: 742]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [742] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 139 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 82 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 440 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 440 mSDsluCounter, 759 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 641 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43 IncrementalHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 118 mSDtfsCounter, 43 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 686]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L88] int cleanupTimeShifts = 4; [L202] int waterLevel = 1; [L203] int methaneLevelCritical = 0; [L478] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L745] int pumpRunning = 0; [L746] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L166] int retValue_acc ; [L167] int tmp ; [L171] FCALL select_helpers() [L172] FCALL select_features() [L173] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L173] RET, EXPR valid_product() [L173] tmp = valid_product() [L175] COND TRUE \read(tmp) [L177] FCALL setup() [L178] CALL runTest() [L160] CALL test() [L677] int splverifierCounter ; [L678] int tmp ; [L679] int tmp___0 ; [L680] int tmp___1 ; [L681] int tmp___2 ; [L684] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L686] COND TRUE 1 [L688] COND TRUE splverifierCounter < 4 [L694] tmp = __VERIFIER_nondet_int() [L696] COND FALSE !(\read(tmp)) [L704] tmp___0 = __VERIFIER_nondet_int() [L706] COND FALSE !(\read(tmp___0)) [L714] tmp___2 = __VERIFIER_nondet_int() [L716] COND TRUE \read(tmp___2) [L731] CALL timeShift() [L752] COND FALSE !(\read(pumpRunning)) [L759] COND TRUE \read(systemActive) [L761] CALL processEnvironment() [L781] int tmp ; [L784] COND FALSE !(\read(pumpRunning)) [L799] FCALL processEnvironment__wrappee__base() [L761] RET processEnvironment() [L767] CALL __utac_acc__Specification4_spec__1() [L284] int tmp ; [L285] int tmp___0 ; [L289] CALL, EXPR getWaterLevel() [L273] int retValue_acc ; [L276] retValue_acc = waterLevel [L277] return (retValue_acc); [L289] RET, EXPR getWaterLevel() [L289] tmp = getWaterLevel() [L291] COND FALSE !(tmp == 0) [L767] RET __utac_acc__Specification4_spec__1() [L731] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 686]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L88] int cleanupTimeShifts = 4; [L202] int waterLevel = 1; [L203] int methaneLevelCritical = 0; [L478] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L745] int pumpRunning = 0; [L746] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L166] int retValue_acc ; [L167] int tmp ; [L171] FCALL select_helpers() [L172] FCALL select_features() [L173] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L173] RET, EXPR valid_product() [L173] tmp = valid_product() [L175] COND TRUE \read(tmp) [L177] FCALL setup() [L178] CALL runTest() [L160] CALL test() [L677] int splverifierCounter ; [L678] int tmp ; [L679] int tmp___0 ; [L680] int tmp___1 ; [L681] int tmp___2 ; [L684] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L686] COND TRUE 1 [L688] COND TRUE splverifierCounter < 4 [L694] tmp = __VERIFIER_nondet_int() [L696] COND FALSE !(\read(tmp)) [L704] tmp___0 = __VERIFIER_nondet_int() [L706] COND FALSE !(\read(tmp___0)) [L714] tmp___2 = __VERIFIER_nondet_int() [L716] COND TRUE \read(tmp___2) [L731] CALL timeShift() [L752] COND FALSE !(\read(pumpRunning)) [L759] COND TRUE \read(systemActive) [L761] CALL processEnvironment() [L781] int tmp ; [L784] COND FALSE !(\read(pumpRunning)) [L799] FCALL processEnvironment__wrappee__base() [L761] RET processEnvironment() [L767] CALL __utac_acc__Specification4_spec__1() [L284] int tmp ; [L285] int tmp___0 ; [L289] CALL, EXPR getWaterLevel() [L273] int retValue_acc ; [L276] retValue_acc = waterLevel [L277] return (retValue_acc); [L289] RET, EXPR getWaterLevel() [L289] tmp = getWaterLevel() [L291] COND FALSE !(tmp == 0) [L767] RET __utac_acc__Specification4_spec__1() [L731] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-21 22:19:57,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdeef9c-9c13-4185-b245-0e5f73260425/bin/uautomizer-verify-bycVGegfSx/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)