./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 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_05582124-1118-4836-8b1b-6e8c8241ecc2/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05582124-1118-4836-8b1b-6e8c8241ecc2/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05582124-1118-4836-8b1b-6e8c8241ecc2/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05582124-1118-4836-8b1b-6e8c8241ecc2/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/bitvector/jain_1-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05582124-1118-4836-8b1b-6e8c8241ecc2/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05582124-1118-4836-8b1b-6e8c8241ecc2/bin/uautomizer-verify-BQ2R08f2Ya --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 0.2.4-dev-0e0057c [2023-11-29 06:53:09,238 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:53:09,306 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05582124-1118-4836-8b1b-6e8c8241ecc2/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-29 06:53:09,310 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:53:09,311 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:53:09,337 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:53:09,338 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:53:09,338 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:53:09,339 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:53:09,340 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:53:09,341 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:53:09,341 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:53:09,342 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:53:09,342 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-29 06:53:09,343 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-29 06:53:09,343 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-29 06:53:09,344 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-29 06:53:09,344 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-29 06:53:09,345 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-29 06:53:09,345 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:53:09,346 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-29 06:53:09,347 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:53:09,347 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:53:09,348 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:53:09,348 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:53:09,348 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-29 06:53:09,349 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-29 06:53:09,349 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-29 06:53:09,350 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 06:53:09,350 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:53:09,350 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:53:09,351 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-29 06:53:09,351 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:53:09,351 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:53:09,352 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:53:09,352 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:53:09,352 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:53:09,353 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-29 06:53:09,353 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_05582124-1118-4836-8b1b-6e8c8241ecc2/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05582124-1118-4836-8b1b-6e8c8241ecc2/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c32f942c6eb2912830a40efe9162c395bf3634ab4557e4b71a48bed97282f20f [2023-11-29 06:53:09,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:53:09,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:53:09,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:53:09,600 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:53:09,600 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:53:09,602 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05582124-1118-4836-8b1b-6e8c8241ecc2/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/bitvector/jain_1-1.c [2023-11-29 06:53:12,438 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:53:12,590 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:53:12,591 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05582124-1118-4836-8b1b-6e8c8241ecc2/sv-benchmarks/c/bitvector/jain_1-1.c [2023-11-29 06:53:12,598 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05582124-1118-4836-8b1b-6e8c8241ecc2/bin/uautomizer-verify-BQ2R08f2Ya/data/99a2305a3/c4ee138ebdc74ded899c1d9f62c1b788/FLAG0d6750ee0 [2023-11-29 06:53:12,613 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05582124-1118-4836-8b1b-6e8c8241ecc2/bin/uautomizer-verify-BQ2R08f2Ya/data/99a2305a3/c4ee138ebdc74ded899c1d9f62c1b788 [2023-11-29 06:53:12,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:53:12,618 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:53:12,619 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:53:12,619 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:53:12,624 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:53:12,624 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:53:12" (1/1) ... [2023-11-29 06:53:12,625 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bdf8999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:12, skipping insertion in model container [2023-11-29 06:53:12,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:53:12" (1/1) ... [2023-11-29 06:53:12,642 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:53:12,768 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:53:12,779 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:53:12,791 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:53:12,803 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:53:12,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:12 WrapperNode [2023-11-29 06:53:12,804 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:53:12,805 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:53:12,805 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:53:12,805 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:53:12,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:12" (1/1) ... [2023-11-29 06:53:12,816 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:12" (1/1) ... [2023-11-29 06:53:12,830 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 28 [2023-11-29 06:53:12,831 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:53:12,831 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:53:12,832 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:53:12,832 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:53:12,840 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:12" (1/1) ... [2023-11-29 06:53:12,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:12" (1/1) ... [2023-11-29 06:53:12,841 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:12" (1/1) ... [2023-11-29 06:53:12,850 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]. [2023-11-29 06:53:12,850 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:12" (1/1) ... [2023-11-29 06:53:12,851 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:12" (1/1) ... [2023-11-29 06:53:12,853 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:12" (1/1) ... [2023-11-29 06:53:12,855 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:12" (1/1) ... [2023-11-29 06:53:12,856 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:12" (1/1) ... [2023-11-29 06:53:12,857 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:12" (1/1) ... [2023-11-29 06:53:12,858 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:53:12,859 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:53:12,859 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:53:12,859 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:53:12,860 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:12" (1/1) ... [2023-11-29 06:53:12,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:53:12,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05582124-1118-4836-8b1b-6e8c8241ecc2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:12,888 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05582124-1118-4836-8b1b-6e8c8241ecc2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:53:12,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05582124-1118-4836-8b1b-6e8c8241ecc2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-29 06:53:12,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:53:12,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:53:12,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:53:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 06:53:13,006 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:53:13,008 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:53:13,098 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:53:13,108 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:53:13,108 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 06:53:13,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:53:13 BoogieIcfgContainer [2023-11-29 06:53:13,110 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:53:13,111 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-29 06:53:13,111 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-29 06:53:13,115 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-29 06:53:13,116 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 06:53:13,116 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 06:53:12" (1/3) ... [2023-11-29 06:53:13,117 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@251df22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 06:53:13, skipping insertion in model container [2023-11-29 06:53:13,117 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 06:53:13,118 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:12" (2/3) ... [2023-11-29 06:53:13,118 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@251df22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 06:53:13, skipping insertion in model container [2023-11-29 06:53:13,118 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 06:53:13,118 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:53:13" (3/3) ... [2023-11-29 06:53:13,120 INFO L332 chiAutomizerObserver]: Analyzing ICFG jain_1-1.c [2023-11-29 06:53:13,177 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-29 06:53:13,177 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-29 06:53:13,178 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-29 06:53:13,178 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-29 06:53:13,178 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-29 06:53:13,178 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-29 06:53:13,178 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-29 06:53:13,179 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-29 06:53:13,183 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) [2023-11-29 06:53:13,200 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 06:53:13,200 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:53:13,200 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:53:13,205 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 06:53:13,206 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 06:53:13,206 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-29 06:53:13,206 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) [2023-11-29 06:53:13,207 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 06:53:13,208 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:53:13,208 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:53:13,208 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 06:53:13,208 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 06:53:13,216 INFO L748 eck$LassoCheckResult]: Stem: 6#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_~y~0#1;havoc main_~y~0#1;main_~y~0#1 := 1; 5#L26-2true [2023-11-29 06:53:13,216 INFO L750 eck$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 [2023-11-29 06:53:13,222 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:13,222 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-29 06:53:13,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:13,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105362612] [2023-11-29 06:53:13,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:13,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:13,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:13,327 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:53:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:13,350 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:53:13,353 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:13,353 INFO L85 PathProgramCache]: Analyzing trace with hash 41005, now seen corresponding path program 1 times [2023-11-29 06:53:13,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:13,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493968955] [2023-11-29 06:53:13,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:13,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:13,387 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:53:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:13,400 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:53:13,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:13,402 INFO L85 PathProgramCache]: Analyzing trace with hash 28699947, now seen corresponding path program 1 times [2023-11-29 06:53:13,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:13,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649576265] [2023-11-29 06:53:13,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:13,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:13,418 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:53:13,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:13,431 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:53:13,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:13,646 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:53:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:53:13,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 06:53:13 BoogieIcfgContainer [2023-11-29 06:53:13,673 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-29 06:53:13,674 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 06:53:13,674 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 06:53:13,674 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 06:53:13,675 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:53:13" (3/4) ... [2023-11-29 06:53:13,677 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-29 06:53:13,714 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05582124-1118-4836-8b1b-6e8c8241ecc2/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 06:53:13,715 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 06:53:13,717 INFO L158 Benchmark]: Toolchain (without parser) took 1098.17ms. Allocated memory was 148.9MB in the beginning and 207.6MB in the end (delta: 58.7MB). Free memory was 103.4MB in the beginning and 159.8MB in the end (delta: -56.4MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2023-11-29 06:53:13,717 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 148.9MB. Free memory was 90.4MB in the beginning and 90.3MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:53:13,718 INFO L158 Benchmark]: CACSL2BoogieTranslator took 185.15ms. Allocated memory is still 148.9MB. Free memory was 103.1MB in the beginning and 93.4MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 06:53:13,719 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.23ms. Allocated memory is still 148.9MB. Free memory was 93.4MB in the beginning and 91.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:53:13,719 INFO L158 Benchmark]: Boogie Preprocessor took 26.91ms. Allocated memory is still 148.9MB. Free memory was 91.8MB in the beginning and 90.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:53:13,720 INFO L158 Benchmark]: RCFGBuilder took 250.72ms. Allocated memory is still 148.9MB. Free memory was 90.4MB in the beginning and 81.7MB in the end (delta: 8.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 06:53:13,721 INFO L158 Benchmark]: BuchiAutomizer took 562.50ms. Allocated memory was 148.9MB in the beginning and 207.6MB in the end (delta: 58.7MB). Free memory was 81.4MB in the beginning and 160.8MB in the end (delta: -79.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:53:13,721 INFO L158 Benchmark]: Witness Printer took 40.83ms. Allocated memory is still 207.6MB. Free memory was 160.8MB in the beginning and 159.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:53:13,725 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 148.9MB. Free memory was 90.4MB in the beginning and 90.3MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 185.15ms. Allocated memory is still 148.9MB. Free memory was 103.1MB in the beginning and 93.4MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.23ms. Allocated memory is still 148.9MB. Free memory was 93.4MB in the beginning and 91.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.91ms. Allocated memory is still 148.9MB. Free memory was 91.8MB in the beginning and 90.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 250.72ms. Allocated memory is still 148.9MB. Free memory was 90.4MB in the beginning and 81.7MB in the end (delta: 8.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 562.50ms. Allocated memory was 148.9MB in the beginning and 207.6MB in the end (delta: 58.7MB). Free memory was 81.4MB in the beginning and 160.8MB in the end (delta: -79.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 40.83ms. Allocated memory is still 207.6MB. Free memory was 160.8MB in the beginning and 159.8MB in the end (delta: 1.1MB). 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 0.4s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.4s. 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! [2023-11-29 06:53:13,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05582124-1118-4836-8b1b-6e8c8241ecc2/bin/uautomizer-verify-BQ2R08f2Ya/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)