./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/bitvector/jain_1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf452346-2ced-44b0-b273-3932852a46c6/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf452346-2ced-44b0-b273-3932852a46c6/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf452346-2ced-44b0-b273-3932852a46c6/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf452346-2ced-44b0-b273-3932852a46c6/bin/uautomizer-verify-bycVGegfSx/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/bitvector/jain_1-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf452346-2ced-44b0-b273-3932852a46c6/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf452346-2ced-44b0-b273-3932852a46c6/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c32f942c6eb2912830a40efe9162c395bf3634ab4557e4b71a48bed97282f20f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:20:37,180 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:20:37,305 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf452346-2ced-44b0-b273-3932852a46c6/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-21 22:20:37,312 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:20:37,312 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:20:37,346 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:20:37,347 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:20:37,348 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:20:37,349 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:20:37,357 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:20:37,359 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:20:37,359 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:20:37,360 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:20:37,361 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-21 22:20:37,361 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-21 22:20:37,362 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-21 22:20:37,362 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-21 22:20:37,362 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-21 22:20:37,363 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-21 22:20:37,363 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:20:37,364 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-21 22:20:37,364 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:20:37,365 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:20:37,365 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:20:37,366 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:20:37,366 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-21 22:20:37,367 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-21 22:20:37,367 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-21 22:20:37,367 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:20:37,368 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:20:37,369 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:20:37,370 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-21 22:20:37,370 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:20:37,370 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:20:37,370 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:20:37,371 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:20:37,371 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:20:37,372 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-21 22:20:37,372 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_bf452346-2ced-44b0-b273-3932852a46c6/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf452346-2ced-44b0-b273-3932852a46c6/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c32f942c6eb2912830a40efe9162c395bf3634ab4557e4b71a48bed97282f20f [2023-11-21 22:20:37,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:20:37,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:20:37,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:20:37,749 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:20:37,750 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:20:37,752 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf452346-2ced-44b0-b273-3932852a46c6/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/bitvector/jain_1-1.c [2023-11-21 22:20:40,841 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:20:41,142 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:20:41,143 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf452346-2ced-44b0-b273-3932852a46c6/sv-benchmarks/c/bitvector/jain_1-1.c [2023-11-21 22:20:41,150 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf452346-2ced-44b0-b273-3932852a46c6/bin/uautomizer-verify-bycVGegfSx/data/8048a0134/54341cc942a1464496e699b8d73aff48/FLAGb9731d81e [2023-11-21 22:20:41,164 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf452346-2ced-44b0-b273-3932852a46c6/bin/uautomizer-verify-bycVGegfSx/data/8048a0134/54341cc942a1464496e699b8d73aff48 [2023-11-21 22:20:41,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:20:41,169 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:20:41,170 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:20:41,170 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:20:41,176 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:20:41,177 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:20:41" (1/1) ... [2023-11-21 22:20:41,178 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c003d0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:41, skipping insertion in model container [2023-11-21 22:20:41,178 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:20:41" (1/1) ... [2023-11-21 22:20:41,198 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:20:41,351 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:20:41,363 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:20:41,376 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:20:41,391 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:20:41,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:41 WrapperNode [2023-11-21 22:20:41,392 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:20:41,393 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:20:41,393 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:20:41,393 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:20:41,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:41" (1/1) ... [2023-11-21 22:20:41,407 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:41" (1/1) ... [2023-11-21 22:20:41,422 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 28 [2023-11-21 22:20:41,423 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:20:41,424 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:20:41,424 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:20:41,424 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:20:41,435 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:41" (1/1) ... [2023-11-21 22:20:41,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:41" (1/1) ... [2023-11-21 22:20:41,436 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:41" (1/1) ... [2023-11-21 22:20:41,444 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:20:41,445 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:41" (1/1) ... [2023-11-21 22:20:41,445 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:41" (1/1) ... [2023-11-21 22:20:41,447 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:41" (1/1) ... [2023-11-21 22:20:41,450 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:41" (1/1) ... [2023-11-21 22:20:41,451 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:41" (1/1) ... [2023-11-21 22:20:41,452 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:41" (1/1) ... [2023-11-21 22:20:41,453 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:20:41,454 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:20:41,454 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:20:41,454 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:20:41,455 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:41" (1/1) ... [2023-11-21 22:20:41,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:20:41,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf452346-2ced-44b0-b273-3932852a46c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:41,490 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf452346-2ced-44b0-b273-3932852a46c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:41,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf452346-2ced-44b0-b273-3932852a46c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-21 22:20:41,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:20:41,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:20:41,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:20:41,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:20:41,593 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:20:41,595 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:20:41,694 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:20:41,707 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:20:41,708 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:20:41,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:20:41 BoogieIcfgContainer [2023-11-21 22:20:41,710 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:20:41,711 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-21 22:20:41,712 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-21 22:20:41,716 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-21 22:20:41,716 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:20:41,717 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 10:20:41" (1/3) ... [2023-11-21 22:20:41,718 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@17988b82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:20:41, skipping insertion in model container [2023-11-21 22:20:41,718 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:20:41,720 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:41" (2/3) ... [2023-11-21 22:20:41,721 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@17988b82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:20:41, skipping insertion in model container [2023-11-21 22:20:41,721 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:20:41,722 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:20:41" (3/3) ... [2023-11-21 22:20:41,723 INFO L332 chiAutomizerObserver]: Analyzing ICFG jain_1-1.c [2023-11-21 22:20:41,781 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-21 22:20:41,781 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-21 22:20:41,781 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-21 22:20:41,781 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-21 22:20:41,782 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-21 22:20:41,782 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-21 22:20:41,782 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-21 22:20:41,782 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-21 22:20:41,787 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:20:41,805 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-21 22:20:41,805 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:20:41,805 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:20:41,811 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-21 22:20:41,811 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-21 22:20:41,811 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-21 22:20:41,812 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:20:41,813 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-21 22:20:41,813 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:20:41,813 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:20:41,814 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-21 22:20:41,814 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-21 22:20:41,822 INFO L748 eck$LassoCheckResult]: Stem: 6#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_~y~0#1;havoc main_~y~0#1;main_~y~0#1 := 1; 5#L26-2true [2023-11-21 22:20:41,822 INFO L750 eck$LassoCheckResult]: Loop: 5#L26-2true assume !false;havoc main_#t~nondet4#1;main_~y~0#1 := main_~y~0#1 + 2 * main_#t~nondet4#1;havoc main_#t~nondet4#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 0 != main_~y~0#1 % 4294967296 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 7#L15true assume !(0 == __VERIFIER_assert_~cond#1); 11#L15-2true havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true; 5#L26-2true [2023-11-21 22:20:41,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:20:41,829 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-21 22:20:41,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:20:41,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475954084] [2023-11-21 22:20:41,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:20:41,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:20:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:20:41,952 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:20:41,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:20:41,993 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:20:41,996 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:20:41,997 INFO L85 PathProgramCache]: Analyzing trace with hash 41005, now seen corresponding path program 1 times [2023-11-21 22:20:41,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:20:41,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462865276] [2023-11-21 22:20:41,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:20:41,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:20:42,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:20:42,022 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:20:42,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:20:42,036 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:20:42,038 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:20:42,038 INFO L85 PathProgramCache]: Analyzing trace with hash 28699947, now seen corresponding path program 1 times [2023-11-21 22:20:42,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:20:42,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374575114] [2023-11-21 22:20:42,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:20:42,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:20:42,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:20:42,056 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:20:42,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:20:42,072 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:20:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:20:42,336 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:20:42,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:20:42,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 10:20:42 BoogieIcfgContainer [2023-11-21 22:20:42,376 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-21 22:20:42,377 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:20:42,378 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:20:42,378 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:20:42,378 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:20:41" (3/4) ... [2023-11-21 22:20:42,380 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-21 22:20:42,418 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf452346-2ced-44b0-b273-3932852a46c6/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:20:42,419 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:20:42,421 INFO L158 Benchmark]: Toolchain (without parser) took 1251.00ms. Allocated memory is still 144.7MB. Free memory was 114.6MB in the beginning and 62.8MB in the end (delta: 51.8MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-11-21 22:20:42,422 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 115.3MB. Free memory is still 69.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:20:42,423 INFO L158 Benchmark]: CACSL2BoogieTranslator took 221.99ms. Allocated memory is still 144.7MB. Free memory was 114.6MB in the beginning and 104.3MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 22:20:42,423 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.12ms. Allocated memory is still 144.7MB. Free memory was 104.3MB in the beginning and 103.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:20:42,424 INFO L158 Benchmark]: Boogie Preprocessor took 29.71ms. Allocated memory is still 144.7MB. Free memory was 103.1MB in the beginning and 101.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:20:42,425 INFO L158 Benchmark]: RCFGBuilder took 255.80ms. Allocated memory is still 144.7MB. Free memory was 101.4MB in the beginning and 92.6MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 22:20:42,425 INFO L158 Benchmark]: BuchiAutomizer took 665.78ms. Allocated memory is still 144.7MB. Free memory was 92.6MB in the beginning and 64.5MB in the end (delta: 28.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-21 22:20:42,426 INFO L158 Benchmark]: Witness Printer took 41.46ms. Allocated memory is still 144.7MB. Free memory was 64.5MB in the beginning and 62.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:20:42,429 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 115.3MB. Free memory is still 69.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 221.99ms. Allocated memory is still 144.7MB. Free memory was 114.6MB in the beginning and 104.3MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.12ms. Allocated memory is still 144.7MB. Free memory was 104.3MB in the beginning and 103.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.71ms. Allocated memory is still 144.7MB. Free memory was 103.1MB in the beginning and 101.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 255.80ms. Allocated memory is still 144.7MB. Free memory was 101.4MB in the beginning and 92.6MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 665.78ms. Allocated memory is still 144.7MB. Free memory was 92.6MB in the beginning and 64.5MB in the end (delta: 28.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 41.46ms. Allocated memory is still 144.7MB. Free memory was 64.5MB in the beginning and 62.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.5s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. 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: LassoAnalysisResults: nont1 unkn0 SFLI0 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: 1]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L22] unsigned int y; [L24] y = 1U VAL [y=1] Loop: [L26] COND TRUE 1 [L28] y = y +2U*__VERIFIER_nondet_uint() [L31] CALL __VERIFIER_assert (y!=0U) [L15] COND FALSE !(!(cond)) [L31] RET __VERIFIER_assert (y!=0U) End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L22] unsigned int y; [L24] y = 1U VAL [y=1] Loop: [L26] COND TRUE 1 [L28] y = y +2U*__VERIFIER_nondet_uint() [L31] CALL __VERIFIER_assert (y!=0U) [L15] COND FALSE !(!(cond)) [L31] RET __VERIFIER_assert (y!=0U) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-21 22:20:42,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf452346-2ced-44b0-b273-3932852a46c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)