./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f398b50-9ead-4256-a6a9-9de6a8816177/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f398b50-9ead-4256-a6a9-9de6a8816177/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f398b50-9ead-4256-a6a9-9de6a8816177/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f398b50-9ead-4256-a6a9-9de6a8816177/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f398b50-9ead-4256-a6a9-9de6a8816177/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f398b50-9ead-4256-a6a9-9de6a8816177/bin/uautomizer-verify-VRDe98Ueme --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 0d9ebbb30768a2034911923a47ec23b508893488073d6c966da0671a59e428a3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:57:39,083 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:57:39,206 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f398b50-9ead-4256-a6a9-9de6a8816177/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-26 11:57:39,211 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:57:39,215 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:57:39,254 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:57:39,255 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:57:39,255 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:57:39,256 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:57:39,261 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:57:39,262 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:57:39,263 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:57:39,263 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:57:39,265 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 11:57:39,265 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 11:57:39,266 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 11:57:39,266 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 11:57:39,267 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 11:57:39,267 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 11:57:39,268 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:57:39,268 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 11:57:39,268 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:57:39,269 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:57:39,269 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:57:39,270 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:57:39,270 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 11:57:39,270 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 11:57:39,271 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 11:57:39,271 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:57:39,271 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:57:39,273 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:57:39,273 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 11:57:39,273 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:57:39,273 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:57:39,274 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:57:39,274 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:57:39,274 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:57:39,275 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 11:57:39,275 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_1f398b50-9ead-4256-a6a9-9de6a8816177/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f398b50-9ead-4256-a6a9-9de6a8816177/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d9ebbb30768a2034911923a47ec23b508893488073d6c966da0671a59e428a3 [2023-11-26 11:57:39,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:57:39,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:57:39,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:57:39,567 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:57:39,572 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:57:39,573 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f398b50-9ead-4256-a6a9-9de6a8816177/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c [2023-11-26 11:57:42,781 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:57:43,069 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:57:43,069 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f398b50-9ead-4256-a6a9-9de6a8816177/sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c [2023-11-26 11:57:43,085 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f398b50-9ead-4256-a6a9-9de6a8816177/bin/uautomizer-verify-VRDe98Ueme/data/bf5372cc6/f6d28303b80d4f19924716665e51160a/FLAG1698fc561 [2023-11-26 11:57:43,111 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f398b50-9ead-4256-a6a9-9de6a8816177/bin/uautomizer-verify-VRDe98Ueme/data/bf5372cc6/f6d28303b80d4f19924716665e51160a [2023-11-26 11:57:43,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:57:43,115 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:57:43,117 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:57:43,117 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:57:43,123 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:57:43,123 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:57:43" (1/1) ... [2023-11-26 11:57:43,124 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73c00fe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:43, skipping insertion in model container [2023-11-26 11:57:43,124 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:57:43" (1/1) ... [2023-11-26 11:57:43,187 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:57:43,512 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:57:43,526 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:57:43,537 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [49] [2023-11-26 11:57:43,539 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [78] [2023-11-26 11:57:43,539 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [116] [2023-11-26 11:57:43,539 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [217] [2023-11-26 11:57:43,540 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [383] [2023-11-26 11:57:43,540 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [450] [2023-11-26 11:57:43,540 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [816] [2023-11-26 11:57:43,540 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [825] [2023-11-26 11:57:43,602 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:57:43,624 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:57:43,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:43 WrapperNode [2023-11-26 11:57:43,625 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:57:43,627 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:57:43,627 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:57:43,627 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:57:43,635 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:43" (1/1) ... [2023-11-26 11:57:43,650 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:43" (1/1) ... [2023-11-26 11:57:43,693 INFO L138 Inliner]: procedures = 53, calls = 95, calls flagged for inlining = 48, calls inlined = 51, statements flattened = 330 [2023-11-26 11:57:43,693 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:57:43,694 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:57:43,694 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:57:43,694 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:57:43,714 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:43" (1/1) ... [2023-11-26 11:57:43,714 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:43" (1/1) ... [2023-11-26 11:57:43,717 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:43" (1/1) ... [2023-11-26 11:57:43,734 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 11:57:43,734 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:43" (1/1) ... [2023-11-26 11:57:43,735 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:43" (1/1) ... [2023-11-26 11:57:43,742 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:43" (1/1) ... [2023-11-26 11:57:43,747 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:43" (1/1) ... [2023-11-26 11:57:43,753 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:43" (1/1) ... [2023-11-26 11:57:43,761 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:43" (1/1) ... [2023-11-26 11:57:43,765 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:57:43,781 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:57:43,781 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:57:43,781 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:57:43,782 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:43" (1/1) ... [2023-11-26 11:57:43,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:57:43,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f398b50-9ead-4256-a6a9-9de6a8816177/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:57:43,830 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f398b50-9ead-4256-a6a9-9de6a8816177/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:57:43,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f398b50-9ead-4256-a6a9-9de6a8816177/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 11:57:43,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:57:43,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:57:43,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:57:43,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:57:43,962 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:57:43,964 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:57:44,311 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:57:44,324 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:57:44,324 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-26 11:57:44,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:57:44 BoogieIcfgContainer [2023-11-26 11:57:44,327 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:57:44,328 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 11:57:44,328 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 11:57:44,332 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 11:57:44,333 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:57:44,333 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 11:57:43" (1/3) ... [2023-11-26 11:57:44,334 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@336dc815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:57:44, skipping insertion in model container [2023-11-26 11:57:44,334 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:57:44,335 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:43" (2/3) ... [2023-11-26 11:57:44,335 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@336dc815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:57:44, skipping insertion in model container [2023-11-26 11:57:44,335 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:57:44,335 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:57:44" (3/3) ... [2023-11-26 11:57:44,337 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product18.cil.c [2023-11-26 11:57:44,432 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 11:57:44,432 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 11:57:44,432 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 11:57:44,432 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 11:57:44,433 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 11:57:44,433 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 11:57:44,433 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 11:57:44,433 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 11:57:44,437 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 106 states, 105 states have (on average 1.3523809523809525) internal successors, (142), 105 states have internal predecessors, (142), 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) [2023-11-26 11:57:44,469 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2023-11-26 11:57:44,469 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:57:44,470 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:57:44,478 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:57:44,478 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:57:44,478 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 11:57:44,481 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 106 states, 105 states have (on average 1.3523809523809525) internal successors, (142), 105 states have internal predecessors, (142), 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) [2023-11-26 11:57:44,490 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2023-11-26 11:57:44,491 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:57:44,492 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:57:44,494 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:57:44,494 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:57:44,500 INFO L748 eck$LassoCheckResult]: Stem: 26#$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;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 29#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret7#1, main_~retValue_acc~2#1, main_~tmp~1#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 19#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 87#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; 77#valid_product_returnLabel#1true main_#t~ret7#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1; 88#L204true assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 60#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 85#L394-2true [2023-11-26 11:57:44,501 INFO L750 eck$LassoCheckResult]: Loop: 85#L394-2true assume !false; 72#L395true assume test_~splverifierCounter~0#1 < 4; 78#L396true havoc test_#t~nondet19#1;test_~tmp~4#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 93#L404true assume !(0 != test_~tmp~4#1); 50#L404-2true havoc test_#t~nondet20#1;test_~tmp___0~2#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 97#L414true assume !(0 != test_~tmp___0~2#1); 69#L414-2true havoc test_#t~nondet21#1;test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 90#L424true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 42#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 27#L432-2true assume { :begin_inline_timeShift } true; 71#L231true assume !(0 != ~pumpRunning~0); 6#L231-2true assume !(0 != ~systemActive~0); 10#L238-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 98#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification1_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret4#1;havoc __utac_acc__Specification1_spec__1_#t~ret4#1; 62#L61true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 91#L61-1true havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 54#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 85#L394-2true [2023-11-26 11:57:44,509 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:57:44,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2023-11-26 11:57:44,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:57:44,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726283412] [2023-11-26 11:57:44,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:44,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:57:44,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:57:44,606 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:57:44,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:57:44,644 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:57:44,648 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:57:44,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1147231139, now seen corresponding path program 1 times [2023-11-26 11:57:44,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:57:44,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250366243] [2023-11-26 11:57:44,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:44,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:57:44,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:57:44,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:57:44,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:57:44,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250366243] [2023-11-26 11:57:44,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250366243] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:57:44,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:57:44,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:57:44,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985532542] [2023-11-26 11:57:44,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:57:44,766 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-26 11:57:44,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:57:44,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:57:44,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:57:44,829 INFO L87 Difference]: Start difference. First operand has 106 states, 105 states have (on average 1.3523809523809525) internal successors, (142), 105 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:44,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:57:44,898 INFO L93 Difference]: Finished difference Result 100 states and 126 transitions. [2023-11-26 11:57:44,900 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 100 states and 126 transitions. [2023-11-26 11:57:44,903 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 61 [2023-11-26 11:57:44,913 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 100 states to 90 states and 115 transitions. [2023-11-26 11:57:44,914 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 90 [2023-11-26 11:57:44,918 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 90 [2023-11-26 11:57:44,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 90 states and 115 transitions. [2023-11-26 11:57:44,922 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:57:44,922 INFO L218 hiAutomatonCegarLoop]: Abstraction has 90 states and 115 transitions. [2023-11-26 11:57:44,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states and 115 transitions. [2023-11-26 11:57:44,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2023-11-26 11:57:44,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 90 states have (on average 1.2777777777777777) internal successors, (115), 89 states have internal predecessors, (115), 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) [2023-11-26 11:57:44,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 115 transitions. [2023-11-26 11:57:44,973 INFO L240 hiAutomatonCegarLoop]: Abstraction has 90 states and 115 transitions. [2023-11-26 11:57:44,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:57:44,982 INFO L428 stractBuchiCegarLoop]: Abstraction has 90 states and 115 transitions. [2023-11-26 11:57:44,982 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 11:57:44,982 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 90 states and 115 transitions. [2023-11-26 11:57:44,992 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 61 [2023-11-26 11:57:44,992 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:57:44,992 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:57:44,993 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:57:44,994 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] [2023-11-26 11:57:44,995 INFO L748 eck$LassoCheckResult]: Stem: 282#$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;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 283#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret7#1, main_~retValue_acc~2#1, main_~tmp~1#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 275#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 276#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; 270#valid_product_returnLabel#1 main_#t~ret7#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1; 271#L204 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 219#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 220#L394-2 [2023-11-26 11:57:44,996 INFO L750 eck$LassoCheckResult]: Loop: 220#L394-2 assume !false; 253#L395 assume test_~splverifierCounter~0#1 < 4; 254#L396 havoc test_#t~nondet19#1;test_~tmp~4#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 272#L404 assume !(0 != test_~tmp~4#1); 295#L404-2 havoc test_#t~nondet20#1;test_~tmp___0~2#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 301#L414 assume !(0 != test_~tmp___0~2#1); 239#L414-2 havoc test_#t~nondet21#1;test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 244#L424 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 288#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 269#L432-2 assume { :begin_inline_timeShift } true; 249#L231 assume !(0 != ~pumpRunning~0); 223#L231-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 224#L263 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 232#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 233#L263-1 havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true; 242#L238-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 243#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification1_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret4#1;havoc __utac_acc__Specification1_spec__1_#t~ret4#1; 225#L61 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 227#L61-1 havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 289#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 220#L394-2 [2023-11-26 11:57:44,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:57:44,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2023-11-26 11:57:44,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:57:45,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125708858] [2023-11-26 11:57:45,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:45,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:57:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:57:45,036 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:57:45,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:57:45,066 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:57:45,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:57:45,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1311909046, now seen corresponding path program 1 times [2023-11-26 11:57:45,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:57:45,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80469313] [2023-11-26 11:57:45,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:45,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:57:45,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:57:45,093 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:57:45,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:57:45,103 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:57:45,110 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:57:45,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1335060238, now seen corresponding path program 1 times [2023-11-26 11:57:45,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:57:45,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133728906] [2023-11-26 11:57:45,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:45,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:57:45,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:57:45,159 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:57:45,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:57:45,201 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:57:46,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:57:46,608 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:57:46,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:57:46,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 11:57:46 BoogieIcfgContainer [2023-11-26 11:57:46,663 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 11:57:46,663 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:57:46,663 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:57:46,664 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:57:46,664 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:57:44" (3/4) ... [2023-11-26 11:57:46,665 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-26 11:57:46,718 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f398b50-9ead-4256-a6a9-9de6a8816177/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 11:57:46,718 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:57:46,719 INFO L158 Benchmark]: Toolchain (without parser) took 3603.60ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 115.5MB in the beginning and 90.2MB in the end (delta: 25.3MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2023-11-26 11:57:46,719 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 67.4MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:57:46,720 INFO L158 Benchmark]: CACSL2BoogieTranslator took 508.85ms. Allocated memory is still 161.5MB. Free memory was 115.3MB in the beginning and 96.4MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-26 11:57:46,720 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.72ms. Allocated memory is still 161.5MB. Free memory was 96.2MB in the beginning and 93.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:57:46,721 INFO L158 Benchmark]: Boogie Preprocessor took 85.73ms. Allocated memory is still 161.5MB. Free memory was 93.8MB in the beginning and 91.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:57:46,721 INFO L158 Benchmark]: RCFGBuilder took 546.18ms. Allocated memory is still 161.5MB. Free memory was 91.0MB in the beginning and 73.6MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-26 11:57:46,722 INFO L158 Benchmark]: BuchiAutomizer took 2334.94ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 73.4MB in the beginning and 92.3MB in the end (delta: -18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-26 11:57:46,722 INFO L158 Benchmark]: Witness Printer took 54.92ms. Allocated memory is still 195.0MB. Free memory was 92.3MB in the beginning and 90.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:57:46,724 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 67.4MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 508.85ms. Allocated memory is still 161.5MB. Free memory was 115.3MB in the beginning and 96.4MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.72ms. Allocated memory is still 161.5MB. Free memory was 96.2MB in the beginning and 93.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.73ms. Allocated memory is still 161.5MB. Free memory was 93.8MB in the beginning and 91.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 546.18ms. Allocated memory is still 161.5MB. Free memory was 91.0MB in the beginning and 73.6MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 2334.94ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 73.4MB in the beginning and 92.3MB in the end (delta: -18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 54.92ms. Allocated memory is still 195.0MB. Free memory was 92.3MB in the beginning and 90.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [49] - GenericResultAtLocation [Line: 78]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [78] - GenericResultAtLocation [Line: 116]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [116] - GenericResultAtLocation [Line: 217]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [217] - GenericResultAtLocation [Line: 383]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [383] - GenericResultAtLocation [Line: 450]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [450] - GenericResultAtLocation [Line: 816]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [816] - GenericResultAtLocation [Line: 825]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [825] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 90 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 121 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 121 mSDsluCounter, 123 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 123 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 394]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L117] int cleanupTimeShifts = 4; [L224] int pumpRunning = 0; [L225] int systemActive = 1; [L620] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L827] int waterLevel = 1; [L828] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L195] int retValue_acc ; [L196] int tmp ; [L200] FCALL select_helpers() [L201] FCALL select_features() [L202] CALL, EXPR valid_product() [L108] int retValue_acc ; [L111] retValue_acc = 1 [L112] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L202] RET, EXPR valid_product() [L202] tmp = valid_product() [L204] COND TRUE \read(tmp) [L206] FCALL setup() [L207] CALL runTest() [L189] CALL test() [L385] int splverifierCounter ; [L386] int tmp ; [L387] int tmp___0 ; [L388] int tmp___1 ; [L389] int tmp___2 ; [L392] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L394] COND TRUE 1 [L396] COND TRUE splverifierCounter < 4 [L402] tmp = __VERIFIER_nondet_int() [L404] COND FALSE !(\read(tmp)) [L412] tmp___0 = __VERIFIER_nondet_int() [L414] COND FALSE !(\read(tmp___0)) [L422] tmp___2 = __VERIFIER_nondet_int() [L424] COND TRUE \read(tmp___2) [L426] CALL startSystem() [L379] systemActive = 1 [L426] RET startSystem() [L439] CALL timeShift() [L231] COND FALSE !(\read(pumpRunning)) [L238] COND TRUE \read(systemActive) [L240] CALL processEnvironment() [L260] int tmp ; [L263] COND FALSE !(\read(pumpRunning)) [L278] FCALL processEnvironment__wrappee__base() [L240] RET processEnvironment() [L246] CALL __utac_acc__Specification1_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR isMethaneLevelCritical() [L866] int retValue_acc ; [L869] retValue_acc = methaneLevelCritical [L870] return (retValue_acc); [L59] RET, EXPR isMethaneLevelCritical() [L59] tmp = isMethaneLevelCritical() [L61] COND FALSE !(\read(tmp)) [L246] RET __utac_acc__Specification1_spec__1() [L439] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 394]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L117] int cleanupTimeShifts = 4; [L224] int pumpRunning = 0; [L225] int systemActive = 1; [L620] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L827] int waterLevel = 1; [L828] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L195] int retValue_acc ; [L196] int tmp ; [L200] FCALL select_helpers() [L201] FCALL select_features() [L202] CALL, EXPR valid_product() [L108] int retValue_acc ; [L111] retValue_acc = 1 [L112] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L202] RET, EXPR valid_product() [L202] tmp = valid_product() [L204] COND TRUE \read(tmp) [L206] FCALL setup() [L207] CALL runTest() [L189] CALL test() [L385] int splverifierCounter ; [L386] int tmp ; [L387] int tmp___0 ; [L388] int tmp___1 ; [L389] int tmp___2 ; [L392] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L394] COND TRUE 1 [L396] COND TRUE splverifierCounter < 4 [L402] tmp = __VERIFIER_nondet_int() [L404] COND FALSE !(\read(tmp)) [L412] tmp___0 = __VERIFIER_nondet_int() [L414] COND FALSE !(\read(tmp___0)) [L422] tmp___2 = __VERIFIER_nondet_int() [L424] COND TRUE \read(tmp___2) [L426] CALL startSystem() [L379] systemActive = 1 [L426] RET startSystem() [L439] CALL timeShift() [L231] COND FALSE !(\read(pumpRunning)) [L238] COND TRUE \read(systemActive) [L240] CALL processEnvironment() [L260] int tmp ; [L263] COND FALSE !(\read(pumpRunning)) [L278] FCALL processEnvironment__wrappee__base() [L240] RET processEnvironment() [L246] CALL __utac_acc__Specification1_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR isMethaneLevelCritical() [L866] int retValue_acc ; [L869] retValue_acc = methaneLevelCritical [L870] return (retValue_acc); [L59] RET, EXPR isMethaneLevelCritical() [L59] tmp = isMethaneLevelCritical() [L61] COND FALSE !(\read(tmp)) [L246] RET __utac_acc__Specification1_spec__1() [L439] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-26 11:57:46,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f398b50-9ead-4256-a6a9-9de6a8816177/bin/uautomizer-verify-VRDe98Ueme/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)