./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a574de-e81d-4554-9a22-bcfa187cef97/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a574de-e81d-4554-9a22-bcfa187cef97/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a574de-e81d-4554-9a22-bcfa187cef97/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a574de-e81d-4554-9a22-bcfa187cef97/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a574de-e81d-4554-9a22-bcfa187cef97/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a574de-e81d-4554-9a22-bcfa187cef97/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bd7f84863cb412e83f8c5773a09de3282aa45b8f86409f0c880aae27635b0b5f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:19:35,322 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:19:35,469 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a574de-e81d-4554-9a22-bcfa187cef97/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-12 02:19:35,477 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:19:35,478 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:19:35,516 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:19:35,517 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:19:35,518 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:19:35,519 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:19:35,524 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:19:35,527 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:19:35,528 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-12 02:19:35,528 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-12 02:19:35,530 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-12 02:19:35,530 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-12 02:19:35,531 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-12 02:19:35,531 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-12 02:19:35,532 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:19:35,532 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-12 02:19:35,533 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:19:35,533 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:19:35,533 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:19:35,534 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:19:35,534 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-12 02:19:35,535 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-12 02:19:35,535 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-12 02:19:35,535 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:19:35,536 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:19:35,536 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:19:35,536 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-12 02:19:35,538 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:19:35,538 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:19:35,538 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:19:35,539 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:19:35,539 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:19:35,540 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-12 02:19:35,540 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_89a574de-e81d-4554-9a22-bcfa187cef97/bin/uautomizer-verify-uTZkv6EMXl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a574de-e81d-4554-9a22-bcfa187cef97/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd7f84863cb412e83f8c5773a09de3282aa45b8f86409f0c880aae27635b0b5f [2023-11-12 02:19:35,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:19:35,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:19:35,915 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:19:35,917 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:19:35,917 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:19:35,919 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a574de-e81d-4554-9a22-bcfa187cef97/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2023-11-12 02:19:39,027 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:19:39,367 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:19:39,367 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a574de-e81d-4554-9a22-bcfa187cef97/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2023-11-12 02:19:39,390 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a574de-e81d-4554-9a22-bcfa187cef97/bin/uautomizer-verify-uTZkv6EMXl/data/e1d73f85e/ecf04845bd064daabc586faf0d37a2a9/FLAG9163b895c [2023-11-12 02:19:39,408 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a574de-e81d-4554-9a22-bcfa187cef97/bin/uautomizer-verify-uTZkv6EMXl/data/e1d73f85e/ecf04845bd064daabc586faf0d37a2a9 [2023-11-12 02:19:39,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:19:39,412 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:19:39,414 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:19:39,414 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:19:39,420 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:19:39,420 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:19:39" (1/1) ... [2023-11-12 02:19:39,421 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dc31c0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:39, skipping insertion in model container [2023-11-12 02:19:39,421 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:19:39" (1/1) ... [2023-11-12 02:19:39,503 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:19:39,845 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:19:39,857 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:19:39,867 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2023-11-12 02:19:39,868 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [58] [2023-11-12 02:19:39,869 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [208] [2023-11-12 02:19:39,869 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [278] [2023-11-12 02:19:39,869 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [305] [2023-11-12 02:19:39,869 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [385] [2023-11-12 02:19:39,869 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [484] [2023-11-12 02:19:39,870 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [850] [2023-11-12 02:19:39,916 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:19:39,935 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:19:39,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:39 WrapperNode [2023-11-12 02:19:39,936 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:19:39,937 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:19:39,937 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:19:39,937 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:19:39,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:39" (1/1) ... [2023-11-12 02:19:39,958 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:39" (1/1) ... [2023-11-12 02:19:39,984 INFO L138 Inliner]: procedures = 51, calls = 93, calls flagged for inlining = 46, calls inlined = 37, statements flattened = 235 [2023-11-12 02:19:39,984 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:19:39,985 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:19:39,985 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:19:39,985 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:19:39,995 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:39" (1/1) ... [2023-11-12 02:19:39,995 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:39" (1/1) ... [2023-11-12 02:19:39,997 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:39" (1/1) ... [2023-11-12 02:19:39,998 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:39" (1/1) ... [2023-11-12 02:19:40,003 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:39" (1/1) ... [2023-11-12 02:19:40,008 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:39" (1/1) ... [2023-11-12 02:19:40,009 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:39" (1/1) ... [2023-11-12 02:19:40,011 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:39" (1/1) ... [2023-11-12 02:19:40,024 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:19:40,025 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:19:40,025 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:19:40,025 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:19:40,026 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:39" (1/1) ... [2023-11-12 02:19:40,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:19:40,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a574de-e81d-4554-9a22-bcfa187cef97/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:40,068 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a574de-e81d-4554-9a22-bcfa187cef97/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:19:40,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a574de-e81d-4554-9a22-bcfa187cef97/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-12 02:19:40,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:19:40,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:19:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:19:40,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:19:40,221 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:19:40,224 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:19:40,508 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:19:40,516 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:19:40,516 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 02:19:40,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:19:40 BoogieIcfgContainer [2023-11-12 02:19:40,519 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:19:40,520 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-12 02:19:40,520 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-12 02:19:40,524 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-12 02:19:40,525 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:19:40,525 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 02:19:39" (1/3) ... [2023-11-12 02:19:40,526 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34675d97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:19:40, skipping insertion in model container [2023-11-12 02:19:40,526 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:19:40,527 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:39" (2/3) ... [2023-11-12 02:19:40,527 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34675d97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:19:40, skipping insertion in model container [2023-11-12 02:19:40,527 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:19:40,527 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:19:40" (3/3) ... [2023-11-12 02:19:40,531 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product11.cil.c [2023-11-12 02:19:40,592 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-12 02:19:40,592 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-12 02:19:40,592 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-12 02:19:40,592 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-12 02:19:40,592 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-12 02:19:40,593 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-12 02:19:40,593 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-12 02:19:40,593 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-12 02:19:40,598 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 82 states, 81 states have (on average 1.3580246913580247) internal successors, (110), 81 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:19:40,622 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 52 [2023-11-12 02:19:40,622 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:19:40,622 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:19:40,629 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:19:40,629 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:19:40,629 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-12 02:19:40,630 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 82 states, 81 states have (on average 1.3580246913580247) internal successors, (110), 81 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:19:40,636 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 52 [2023-11-12 02:19:40,636 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:19:40,637 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:19:40,638 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:19:40,638 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:19:40,644 INFO L748 eck$LassoCheckResult]: Stem: 40#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 46#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret25#1, main_~retValue_acc~4#1, main_~tmp~3#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 35#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 44#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 30#valid_product_returnLabel#1true main_#t~ret25#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret25#1;havoc main_#t~ret25#1; 36#L471true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 5#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 20#L222-2true [2023-11-12 02:19:40,645 INFO L750 eck$LassoCheckResult]: Loop: 20#L222-2true assume !false; 75#L223true assume test_~splverifierCounter~0#1 < 4; 21#L224true havoc test_#t~nondet14#1;test_~tmp~1#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 77#L232true assume !(0 != test_~tmp~1#1); 23#L232-2true havoc test_#t~nondet15#1;test_~tmp___0~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 73#L242true assume !(0 != test_~tmp___0~0#1); 58#L242-2true havoc test_#t~nondet16#1;test_~tmp___2~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 55#L252true assume 0 != test_~tmp___2~0#1; 10#L258-2true assume { :begin_inline_timeShift } true; 78#L76true assume !(0 != ~pumpRunning~0); 59#L76-2true assume !(0 != ~systemActive~0); 79#L83-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret18#1, __utac_acc__Specification4_spec__1_#t~ret19#1, __utac_acc__Specification4_spec__1_~tmp~2#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~2#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; 68#getWaterLevel_returnLabel#1true __utac_acc__Specification4_spec__1_#t~ret18#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~2#1 := __utac_acc__Specification4_spec__1_#t~ret18#1;havoc __utac_acc__Specification4_spec__1_#t~ret18#1; 38#L288true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~2#1); 76#L288-1true havoc __utac_acc__Specification4_spec__1_#t~ret18#1, __utac_acc__Specification4_spec__1_#t~ret19#1, __utac_acc__Specification4_spec__1_~tmp~2#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 69#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 20#L222-2true [2023-11-12 02:19:40,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:19:40,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2023-11-12 02:19:40,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:19:40,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257749835] [2023-11-12 02:19:40,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:40,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:19:40,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:19:40,761 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:19:40,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:19:40,814 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:19:40,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:19:40,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1802264006, now seen corresponding path program 1 times [2023-11-12 02:19:40,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:19:40,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435468114] [2023-11-12 02:19:40,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:40,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:19:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:19:40,850 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:19:40,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:19:40,859 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:19:40,864 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:19:40,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1137284214, now seen corresponding path program 1 times [2023-11-12 02:19:40,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:19:40,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407064238] [2023-11-12 02:19:40,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:40,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:19:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:41,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:19:41,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:19:41,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407064238] [2023-11-12 02:19:41,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407064238] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:19:41,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:19:41,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:19:41,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002233182] [2023-11-12 02:19:41,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:19:41,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:19:41,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:19:41,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:19:41,317 INFO L87 Difference]: Start difference. First operand has 82 states, 81 states have (on average 1.3580246913580247) internal successors, (110), 81 states have internal predecessors, (110), 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) [2023-11-12 02:19:41,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:19:41,504 INFO L93 Difference]: Finished difference Result 209 states and 263 transitions. [2023-11-12 02:19:41,505 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 209 states and 263 transitions. [2023-11-12 02:19:41,514 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 131 [2023-11-12 02:19:41,532 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 209 states to 179 states and 233 transitions. [2023-11-12 02:19:41,533 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 179 [2023-11-12 02:19:41,534 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 179 [2023-11-12 02:19:41,534 INFO L73 IsDeterministic]: Start isDeterministic. Operand 179 states and 233 transitions. [2023-11-12 02:19:41,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:19:41,536 INFO L218 hiAutomatonCegarLoop]: Abstraction has 179 states and 233 transitions. [2023-11-12 02:19:41,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states and 233 transitions. [2023-11-12 02:19:41,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 118. [2023-11-12 02:19:41,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 118 states have (on average 1.305084745762712) internal successors, (154), 117 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:19:41,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 154 transitions. [2023-11-12 02:19:41,575 INFO L240 hiAutomatonCegarLoop]: Abstraction has 118 states and 154 transitions. [2023-11-12 02:19:41,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:19:41,580 INFO L428 stractBuchiCegarLoop]: Abstraction has 118 states and 154 transitions. [2023-11-12 02:19:41,581 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-12 02:19:41,581 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 118 states and 154 transitions. [2023-11-12 02:19:41,584 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 86 [2023-11-12 02:19:41,584 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:19:41,585 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:19:41,585 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:19:41,586 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:19:41,586 INFO L748 eck$LassoCheckResult]: Stem: 359#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 360#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret25#1, main_~retValue_acc~4#1, main_~tmp~3#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 353#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 354#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 347#valid_product_returnLabel#1 main_#t~ret25#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret25#1;havoc main_#t~ret25#1; 348#L471 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 309#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 310#L222-2 [2023-11-12 02:19:41,586 INFO L750 eck$LassoCheckResult]: Loop: 310#L222-2 assume !false; 335#L223 assume test_~splverifierCounter~0#1 < 4; 336#L224 havoc test_#t~nondet14#1;test_~tmp~1#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 337#L232 assume !(0 != test_~tmp~1#1); 312#L232-2 havoc test_#t~nondet15#1;test_~tmp___0~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 339#L242 assume !(0 != test_~tmp___0~0#1); 338#L242-2 havoc test_#t~nondet16#1;test_~tmp___2~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 367#L252 assume 0 != test_~tmp___2~0#1; 316#L258-2 assume { :begin_inline_timeShift } true; 317#L76 assume !(0 != ~pumpRunning~0); 334#L76-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 349#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 350#L83-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret18#1, __utac_acc__Specification4_spec__1_#t~ret19#1, __utac_acc__Specification4_spec__1_~tmp~2#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~2#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; 373#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret18#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~2#1 := __utac_acc__Specification4_spec__1_#t~ret18#1;havoc __utac_acc__Specification4_spec__1_#t~ret18#1; 355#L288 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~2#1); 346#L288-1 havoc __utac_acc__Specification4_spec__1_#t~ret18#1, __utac_acc__Specification4_spec__1_#t~ret19#1, __utac_acc__Specification4_spec__1_~tmp~2#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 374#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 310#L222-2 [2023-11-12 02:19:41,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:19:41,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2023-11-12 02:19:41,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:19:41,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246145158] [2023-11-12 02:19:41,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:41,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:19:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:19:41,643 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:19:41,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:19:41,687 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:19:41,688 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:19:41,688 INFO L85 PathProgramCache]: Analyzing trace with hash 663629422, now seen corresponding path program 1 times [2023-11-12 02:19:41,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:19:41,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483164120] [2023-11-12 02:19:41,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:41,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:19:41,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:19:41,710 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:19:41,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:19:41,721 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:19:41,724 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:19:41,724 INFO L85 PathProgramCache]: Analyzing trace with hash -268052182, now seen corresponding path program 1 times [2023-11-12 02:19:41,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:19:41,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227220101] [2023-11-12 02:19:41,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:41,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:19:41,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:19:41,757 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:19:41,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:19:41,773 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:19:42,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:19:42,879 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:19:42,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:19:42,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 02:19:42 BoogieIcfgContainer [2023-11-12 02:19:42,933 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-12 02:19:42,933 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:19:42,934 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:19:42,934 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:19:42,934 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:19:40" (3/4) ... [2023-11-12 02:19:42,938 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-12 02:19:43,014 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a574de-e81d-4554-9a22-bcfa187cef97/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:19:43,014 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:19:43,015 INFO L158 Benchmark]: Toolchain (without parser) took 3602.47ms. Allocated memory is still 159.4MB. Free memory was 130.8MB in the beginning and 82.1MB in the end (delta: 48.7MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. [2023-11-12 02:19:43,016 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 109.1MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:19:43,021 INFO L158 Benchmark]: CACSL2BoogieTranslator took 522.72ms. Allocated memory is still 159.4MB. Free memory was 130.8MB in the beginning and 112.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 02:19:43,021 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.52ms. Allocated memory is still 159.4MB. Free memory was 112.0MB in the beginning and 109.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:19:43,022 INFO L158 Benchmark]: Boogie Preprocessor took 38.71ms. Allocated memory is still 159.4MB. Free memory was 109.9MB in the beginning and 108.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:19:43,022 INFO L158 Benchmark]: RCFGBuilder took 494.44ms. Allocated memory is still 159.4MB. Free memory was 108.3MB in the beginning and 92.6MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 02:19:43,022 INFO L158 Benchmark]: BuchiAutomizer took 2413.04ms. Allocated memory is still 159.4MB. Free memory was 92.6MB in the beginning and 84.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2023-11-12 02:19:43,023 INFO L158 Benchmark]: Witness Printer took 80.84ms. Allocated memory is still 159.4MB. Free memory was 84.2MB in the beginning and 82.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:19:43,025 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64ms. Allocated memory is still 109.1MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 522.72ms. Allocated memory is still 159.4MB. Free memory was 130.8MB in the beginning and 112.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.52ms. Allocated memory is still 159.4MB. Free memory was 112.0MB in the beginning and 109.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.71ms. Allocated memory is still 159.4MB. Free memory was 109.9MB in the beginning and 108.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 494.44ms. Allocated memory is still 159.4MB. Free memory was 108.3MB in the beginning and 92.6MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 2413.04ms. Allocated memory is still 159.4MB. Free memory was 92.6MB in the beginning and 84.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. * Witness Printer took 80.84ms. Allocated memory is still 159.4MB. Free memory was 84.2MB in the beginning and 82.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [58] - GenericResultAtLocation [Line: 208]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [208] - GenericResultAtLocation [Line: 278]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [278] - GenericResultAtLocation [Line: 305]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [305] - GenericResultAtLocation [Line: 385]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [385] - GenericResultAtLocation [Line: 484]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [484] - GenericResultAtLocation [Line: 850]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [850] * 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 118 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. 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 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 61 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, 408 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 408 mSDsluCounter, 572 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 481 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39 IncrementalHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 91 mSDtfsCounter, 39 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: 222]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L68] int pumpRunning = 0; [L69] int systemActive = 1; [L306] int waterLevel = 1; [L307] int methaneLevelCritical = 0; [L386] int cleanupTimeShifts = 4; [L654] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L462] int retValue_acc ; [L463] int tmp ; [L467] FCALL select_helpers() [L468] FCALL select_features() [L469] CALL, EXPR valid_product() [L877] int retValue_acc ; [L880] retValue_acc = 1 [L881] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L469] RET, EXPR valid_product() [L469] tmp = valid_product() [L471] COND TRUE \read(tmp) [L473] FCALL setup() [L474] CALL runTest() [L453] CALL test() [L213] int splverifierCounter ; [L214] int tmp ; [L215] int tmp___0 ; [L216] int tmp___1 ; [L217] int tmp___2 ; [L220] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L222] COND TRUE 1 [L224] COND TRUE splverifierCounter < 4 [L230] tmp = __VERIFIER_nondet_int() [L232] COND FALSE !(\read(tmp)) [L240] tmp___0 = __VERIFIER_nondet_int() [L242] COND FALSE !(\read(tmp___0)) [L250] tmp___2 = __VERIFIER_nondet_int() [L252] COND TRUE \read(tmp___2) [L267] CALL timeShift() [L76] COND FALSE !(\read(pumpRunning)) [L83] COND TRUE \read(systemActive) [L85] FCALL processEnvironment() [L91] CALL __utac_acc__Specification4_spec__1() [L281] int tmp ; [L282] int tmp___0 ; [L286] CALL, EXPR getWaterLevel() [L377] int retValue_acc ; [L380] retValue_acc = waterLevel [L381] return (retValue_acc); [L286] RET, EXPR getWaterLevel() [L286] tmp = getWaterLevel() [L288] COND FALSE !(tmp == 0) [L91] RET __utac_acc__Specification4_spec__1() [L267] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 222]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L68] int pumpRunning = 0; [L69] int systemActive = 1; [L306] int waterLevel = 1; [L307] int methaneLevelCritical = 0; [L386] int cleanupTimeShifts = 4; [L654] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L462] int retValue_acc ; [L463] int tmp ; [L467] FCALL select_helpers() [L468] FCALL select_features() [L469] CALL, EXPR valid_product() [L877] int retValue_acc ; [L880] retValue_acc = 1 [L881] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L469] RET, EXPR valid_product() [L469] tmp = valid_product() [L471] COND TRUE \read(tmp) [L473] FCALL setup() [L474] CALL runTest() [L453] CALL test() [L213] int splverifierCounter ; [L214] int tmp ; [L215] int tmp___0 ; [L216] int tmp___1 ; [L217] int tmp___2 ; [L220] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L222] COND TRUE 1 [L224] COND TRUE splverifierCounter < 4 [L230] tmp = __VERIFIER_nondet_int() [L232] COND FALSE !(\read(tmp)) [L240] tmp___0 = __VERIFIER_nondet_int() [L242] COND FALSE !(\read(tmp___0)) [L250] tmp___2 = __VERIFIER_nondet_int() [L252] COND TRUE \read(tmp___2) [L267] CALL timeShift() [L76] COND FALSE !(\read(pumpRunning)) [L83] COND TRUE \read(systemActive) [L85] FCALL processEnvironment() [L91] CALL __utac_acc__Specification4_spec__1() [L281] int tmp ; [L282] int tmp___0 ; [L286] CALL, EXPR getWaterLevel() [L377] int retValue_acc ; [L380] retValue_acc = waterLevel [L381] return (retValue_acc); [L286] RET, EXPR getWaterLevel() [L286] tmp = getWaterLevel() [L288] COND FALSE !(tmp == 0) [L91] RET __utac_acc__Specification4_spec__1() [L267] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-12 02:19:43,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a574de-e81d-4554-9a22-bcfa187cef97/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)