./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/bitvector/jain_6-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3272ac2-9896-4e42-a330-055b2014e279/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3272ac2-9896-4e42-a330-055b2014e279/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3272ac2-9896-4e42-a330-055b2014e279/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3272ac2-9896-4e42-a330-055b2014e279/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/bitvector/jain_6-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3272ac2-9896-4e42-a330-055b2014e279/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3272ac2-9896-4e42-a330-055b2014e279/bin/uautomizer-verify-qhAvR1uOyd --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 de5b2075d4abb79268518f13a43be5f1c1d9b9145e6334b0e9e03aa6c29e2c89 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:33:48,164 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:33:48,275 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3272ac2-9896-4e42-a330-055b2014e279/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-13 14:33:48,286 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:33:48,287 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:33:48,320 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:33:48,320 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:33:48,321 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:33:48,322 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:33:48,322 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:33:48,323 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:33:48,323 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:33:48,324 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:33:48,325 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-13 14:33:48,325 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-13 14:33:48,325 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-13 14:33:48,325 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-13 14:33:48,325 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-13 14:33:48,325 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-13 14:33:48,328 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:33:48,328 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-13 14:33:48,328 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:33:48,328 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:33:48,328 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:33:48,328 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:33:48,329 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-13 14:33:48,329 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-13 14:33:48,329 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-13 14:33:48,329 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:33:48,329 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:33:48,329 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:33:48,329 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:33:48,330 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-13 14:33:48,330 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:33:48,330 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:33:48,330 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:33:48,330 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:33:48,330 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:33:48,331 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-13 14:33:48,331 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_e3272ac2-9896-4e42-a330-055b2014e279/bin/uautomizer-verify-qhAvR1uOyd 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 -> de5b2075d4abb79268518f13a43be5f1c1d9b9145e6334b0e9e03aa6c29e2c89 [2024-11-13 14:33:48,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:33:48,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:33:48,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:33:48,723 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:33:48,723 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:33:48,724 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3272ac2-9896-4e42-a330-055b2014e279/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/bitvector/jain_6-1.c Unable to find full path for "g++" [2024-11-13 14:33:50,925 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:33:51,245 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:33:51,246 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3272ac2-9896-4e42-a330-055b2014e279/sv-benchmarks/c/bitvector/jain_6-1.c [2024-11-13 14:33:51,253 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3272ac2-9896-4e42-a330-055b2014e279/bin/uautomizer-verify-qhAvR1uOyd/data/e50542b3a/671258036a2c472d99e929b9e0e4538b/FLAG29ba1ccc7 [2024-11-13 14:33:51,502 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3272ac2-9896-4e42-a330-055b2014e279/bin/uautomizer-verify-qhAvR1uOyd/data/e50542b3a/671258036a2c472d99e929b9e0e4538b [2024-11-13 14:33:51,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:33:51,506 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:33:51,508 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:33:51,508 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:33:51,513 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:33:51,514 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:33:51" (1/1) ... [2024-11-13 14:33:51,515 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@533e41e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:51, skipping insertion in model container [2024-11-13 14:33:51,515 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:33:51" (1/1) ... [2024-11-13 14:33:51,529 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:33:51,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:33:51,723 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:33:51,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:33:51,751 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:33:51,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:51 WrapperNode [2024-11-13 14:33:51,752 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:33:51,752 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:33:51,753 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:33:51,753 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:33:51,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:51" (1/1) ... [2024-11-13 14:33:51,763 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:51" (1/1) ... [2024-11-13 14:33:51,776 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 37 [2024-11-13 14:33:51,777 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:33:51,777 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:33:51,777 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:33:51,778 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:33:51,786 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:51" (1/1) ... [2024-11-13 14:33:51,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:51" (1/1) ... [2024-11-13 14:33:51,787 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:51" (1/1) ... [2024-11-13 14:33:51,796 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]. [2024-11-13 14:33:51,797 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:51" (1/1) ... [2024-11-13 14:33:51,797 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:51" (1/1) ... [2024-11-13 14:33:51,799 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:51" (1/1) ... [2024-11-13 14:33:51,802 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:51" (1/1) ... [2024-11-13 14:33:51,803 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:51" (1/1) ... [2024-11-13 14:33:51,803 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:51" (1/1) ... [2024-11-13 14:33:51,804 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:33:51,805 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:33:51,805 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:33:51,805 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:33:51,806 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:51" (1/1) ... [2024-11-13 14:33:51,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:33:51,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3272ac2-9896-4e42-a330-055b2014e279/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:33:51,841 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3272ac2-9896-4e42-a330-055b2014e279/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:33:51,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3272ac2-9896-4e42-a330-055b2014e279/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-13 14:33:51,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:33:51,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:33:51,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:33:51,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:33:51,953 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:33:51,955 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:33:52,076 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-13 14:33:52,077 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:33:52,092 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:33:52,093 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 14:33:52,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:33:52 BoogieIcfgContainer [2024-11-13 14:33:52,093 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:33:52,094 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-13 14:33:52,094 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-13 14:33:52,100 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-13 14:33:52,101 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 14:33:52,101 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 02:33:51" (1/3) ... [2024-11-13 14:33:52,102 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@389a51a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 02:33:52, skipping insertion in model container [2024-11-13 14:33:52,103 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 14:33:52,103 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:51" (2/3) ... [2024-11-13 14:33:52,104 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@389a51a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 02:33:52, skipping insertion in model container [2024-11-13 14:33:52,104 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 14:33:52,104 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:33:52" (3/3) ... [2024-11-13 14:33:52,105 INFO L333 chiAutomizerObserver]: Analyzing ICFG jain_6-1.c [2024-11-13 14:33:52,166 INFO L299 stractBuchiCegarLoop]: Interprodecural is true [2024-11-13 14:33:52,167 INFO L300 stractBuchiCegarLoop]: Hoare is None [2024-11-13 14:33:52,167 INFO L301 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-13 14:33:52,167 INFO L302 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-13 14:33:52,167 INFO L303 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-13 14:33:52,167 INFO L304 stractBuchiCegarLoop]: Difference is false [2024-11-13 14:33:52,167 INFO L305 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-13 14:33:52,167 INFO L309 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-13 14:33:52,172 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) [2024-11-13 14:33:52,190 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-13 14:33:52,191 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:33:52,191 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:33:52,197 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-13 14:33:52,198 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-13 14:33:52,198 INFO L331 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-13 14:33:52,198 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) [2024-11-13 14:33:52,200 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-13 14:33:52,200 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:33:52,200 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:33:52,200 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-13 14:33:52,201 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-13 14:33:52,212 INFO L745 eck$LassoCheckResult]: Stem: 5#$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); 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~x~0#1 := 0;main_~y~0#1 := 0;main_~z~0#1 := 0; 7#L28-2true [2024-11-13 14:33:52,212 INFO L747 eck$LassoCheckResult]: Loop: 7#L28-2true assume !false;havoc main_#t~nondet4#1;main_~x~0#1 := main_~x~0#1 + 2 * main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;main_~y~0#1 := main_~y~0#1 + 4 * main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;main_~z~0#1 := main_~z~0#1 + 8 * main_#t~nondet6#1;havoc main_#t~nondet6#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 4 != (4 * main_~x~0#1 + 2 * main_~y~0#1 + main_~z~0#1) % 4294967296 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 6#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; 7#L28-2true [2024-11-13 14:33:52,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:52,218 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-13 14:33:52,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:52,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729800924] [2024-11-13 14:33:52,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:52,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:52,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:33:52,324 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:33:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:33:52,355 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:33:52,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:52,360 INFO L85 PathProgramCache]: Analyzing trace with hash 40012, now seen corresponding path program 1 times [2024-11-13 14:33:52,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:52,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057953817] [2024-11-13 14:33:52,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:52,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:52,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:33:52,392 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:33:52,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:33:52,411 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:33:52,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:52,413 INFO L85 PathProgramCache]: Analyzing trace with hash 28698954, now seen corresponding path program 1 times [2024-11-13 14:33:52,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:52,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690997054] [2024-11-13 14:33:52,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:52,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:52,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:33:52,447 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:33:52,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:33:52,477 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:33:52,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:33:52,933 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:33:52,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:33:52,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 02:33:52 BoogieIcfgContainer [2024-11-13 14:33:52,978 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-13 14:33:52,979 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:33:52,979 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:33:52,979 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:33:52,981 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:33:52" (3/4) ... [2024-11-13 14:33:52,985 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-13 14:33:53,028 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3272ac2-9896-4e42-a330-055b2014e279/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 14:33:53,028 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:33:53,030 INFO L158 Benchmark]: Toolchain (without parser) took 1523.52ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 39.5MB in the end (delta: 54.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-13 14:33:53,031 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 167.8MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:33:53,031 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.43ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 83.0MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:33:53,032 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.29ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 82.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:33:53,032 INFO L158 Benchmark]: Boogie Preprocessor took 27.07ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:33:53,032 INFO L158 Benchmark]: RCFGBuilder took 288.33ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 71.3MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:33:53,033 INFO L158 Benchmark]: BuchiAutomizer took 883.94ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 41.3MB in the end (delta: 29.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 14:33:53,033 INFO L158 Benchmark]: Witness Printer took 49.39ms. Allocated memory is still 117.4MB. Free memory was 41.3MB in the beginning and 39.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:33:53,036 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 167.8MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.43ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 83.0MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.29ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 82.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.07ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 288.33ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 71.3MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 883.94ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 41.3MB in the end (delta: 29.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 49.39ms. Allocated memory is still 117.4MB. Free memory was 41.3MB in the beginning and 39.5MB in the end (delta: 1.8MB). There was no memory consumed. 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 0.8s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. 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 x,y,z; [L24] x=0U [L25] y=0U [L26] z=0U VAL [x=0, y=0, z=0] Loop: [L28] COND TRUE 1 [L30] x = x +2U*__VERIFIER_nondet_uint() [L31] y = y +4U*__VERIFIER_nondet_uint() [L32] z = z +8U*__VERIFIER_nondet_uint() [L34] CALL __VERIFIER_assert(4U*x+2U*y+z!=4U) [L15] COND FALSE !(!(cond)) [L34] RET __VERIFIER_assert(4U*x+2U*y+z!=4U) 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 x,y,z; [L24] x=0U [L25] y=0U [L26] z=0U VAL [x=0, y=0, z=0] Loop: [L28] COND TRUE 1 [L30] x = x +2U*__VERIFIER_nondet_uint() [L31] y = y +4U*__VERIFIER_nondet_uint() [L32] z = z +8U*__VERIFIER_nondet_uint() [L34] CALL __VERIFIER_assert(4U*x+2U*y+z!=4U) [L15] COND FALSE !(!(cond)) [L34] RET __VERIFIER_assert(4U*x+2U*y+z!=4U) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 14:33:53,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3272ac2-9896-4e42-a330-055b2014e279/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with 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)