./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/psyco/psyco_io_1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f6f1440-6596-4d2c-a1ef-fd123f4da463/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f6f1440-6596-4d2c-a1ef-fd123f4da463/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f6f1440-6596-4d2c-a1ef-fd123f4da463/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f6f1440-6596-4d2c-a1ef-fd123f4da463/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/psyco/psyco_io_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f6f1440-6596-4d2c-a1ef-fd123f4da463/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f6f1440-6596-4d2c-a1ef-fd123f4da463/bin/uautomizer-verify-aQ6SnzHsRB --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 4f9f01bde8fda2c75630f127009f2a9b60883250862a9d96b52c34a46b69c1e5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:12:49,698 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:12:49,799 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f6f1440-6596-4d2c-a1ef-fd123f4da463/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-28 03:12:49,807 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:12:49,807 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:12:49,840 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:12:49,841 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:12:49,841 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:12:49,841 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:12:49,841 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:12:49,842 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:12:49,842 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:12:49,842 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:12:49,843 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 03:12:49,844 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 03:12:49,844 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 03:12:49,844 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 03:12:49,844 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 03:12:49,845 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 03:12:49,845 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:12:49,845 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 03:12:49,845 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:12:49,845 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:12:49,845 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:12:49,845 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:12:49,846 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 03:12:49,846 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 03:12:49,846 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 03:12:49,846 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:12:49,846 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:12:49,846 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:12:49,846 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 03:12:49,847 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:12:49,847 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:12:49,847 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:12:49,847 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:12:49,847 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:12:49,847 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 03:12:49,847 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 03:12:49,847 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_7f6f1440-6596-4d2c-a1ef-fd123f4da463/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 4f9f01bde8fda2c75630f127009f2a9b60883250862a9d96b52c34a46b69c1e5 [2024-11-28 03:12:50,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:12:50,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:12:50,169 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:12:50,170 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:12:50,170 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:12:50,171 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f6f1440-6596-4d2c-a1ef-fd123f4da463/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/psyco/psyco_io_1.c [2024-11-28 03:12:53,128 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f6f1440-6596-4d2c-a1ef-fd123f4da463/bin/uautomizer-verify-aQ6SnzHsRB/data/d0b170905/dfd89414780140bcb2b68c6b399a1e5b/FLAGaa772062a [2024-11-28 03:12:53,486 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:12:53,488 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f6f1440-6596-4d2c-a1ef-fd123f4da463/sv-benchmarks/c/psyco/psyco_io_1.c [2024-11-28 03:12:53,500 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f6f1440-6596-4d2c-a1ef-fd123f4da463/bin/uautomizer-verify-aQ6SnzHsRB/data/d0b170905/dfd89414780140bcb2b68c6b399a1e5b/FLAGaa772062a [2024-11-28 03:12:53,519 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f6f1440-6596-4d2c-a1ef-fd123f4da463/bin/uautomizer-verify-aQ6SnzHsRB/data/d0b170905/dfd89414780140bcb2b68c6b399a1e5b [2024-11-28 03:12:53,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:12:53,523 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:12:53,524 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:12:53,524 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:12:53,529 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:12:53,530 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:12:53" (1/1) ... [2024-11-28 03:12:53,531 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1953c4b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:53, skipping insertion in model container [2024-11-28 03:12:53,533 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:12:53" (1/1) ... [2024-11-28 03:12:53,555 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:12:53,751 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:12:53,761 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:12:53,788 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:12:53,801 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:12:53,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:53 WrapperNode [2024-11-28 03:12:53,802 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:12:53,803 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:12:53,803 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:12:53,803 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:12:53,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:53" (1/1) ... [2024-11-28 03:12:53,821 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:53" (1/1) ... [2024-11-28 03:12:53,863 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 259 [2024-11-28 03:12:53,864 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:12:53,864 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:12:53,868 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:12:53,868 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:12:53,880 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:53" (1/1) ... [2024-11-28 03:12:53,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:53" (1/1) ... [2024-11-28 03:12:53,882 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:53" (1/1) ... [2024-11-28 03:12:53,895 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]. [2024-11-28 03:12:53,895 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:53" (1/1) ... [2024-11-28 03:12:53,895 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:53" (1/1) ... [2024-11-28 03:12:53,900 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:53" (1/1) ... [2024-11-28 03:12:53,901 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:53" (1/1) ... [2024-11-28 03:12:53,906 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:53" (1/1) ... [2024-11-28 03:12:53,908 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:53" (1/1) ... [2024-11-28 03:12:53,909 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:53" (1/1) ... [2024-11-28 03:12:53,911 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:12:53,912 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:12:53,912 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:12:53,912 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:12:53,913 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:53" (1/1) ... [2024-11-28 03:12:53,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:12:53,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f6f1440-6596-4d2c-a1ef-fd123f4da463/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:53,961 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f6f1440-6596-4d2c-a1ef-fd123f4da463/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:12:53,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f6f1440-6596-4d2c-a1ef-fd123f4da463/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 03:12:54,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:12:54,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:12:54,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:12:54,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:12:54,087 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:12:54,089 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:12:54,407 INFO L? ?]: Removed 63 outVars from TransFormulas that were not future-live. [2024-11-28 03:12:54,407 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:12:54,421 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:12:54,421 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-28 03:12:54,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:12:54 BoogieIcfgContainer [2024-11-28 03:12:54,422 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:12:54,423 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 03:12:54,423 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 03:12:54,429 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 03:12:54,430 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:12:54,430 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:12:53" (1/3) ... [2024-11-28 03:12:54,431 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2d5ec42f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:12:54, skipping insertion in model container [2024-11-28 03:12:54,431 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:12:54,431 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:53" (2/3) ... [2024-11-28 03:12:54,431 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2d5ec42f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:12:54, skipping insertion in model container [2024-11-28 03:12:54,431 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:12:54,431 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:12:54" (3/3) ... [2024-11-28 03:12:54,432 INFO L363 chiAutomizerObserver]: Analyzing ICFG psyco_io_1.c [2024-11-28 03:12:54,482 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 03:12:54,482 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 03:12:54,482 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 03:12:54,482 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 03:12:54,482 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 03:12:54,482 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 03:12:54,482 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 03:12:54,483 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 03:12:54,488 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 68 states, 67 states have (on average 1.8955223880597014) internal successors, (127), 67 states have internal predecessors, (127), 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) [2024-11-28 03:12:54,505 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 53 [2024-11-28 03:12:54,506 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:12:54,506 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:12:54,517 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 03:12:54,517 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-28 03:12:54,517 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 03:12:54,519 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 68 states, 67 states have (on average 1.8955223880597014) internal successors, (127), 67 states have internal predecessors, (127), 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) [2024-11-28 03:12:54,524 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 53 [2024-11-28 03:12:54,527 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:12:54,527 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:12:54,528 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 03:12:54,528 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-28 03:12:54,537 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(13, 2);call #Ultimate.allocInit(12, 3);~m_flush~0 := 1;~m_PipedOutputStream~0 := 2;~m_close~0 := 3;~m_write~0 := 4;~m_connect_1~0 := 5;~m_connect_2~0 := 6;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_sink~0#1, main_~this_sinkConnected~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_sink~0#1 := 0;main_~this_sinkConnected~0#1 := 0;" [2024-11-28 03:12:54,537 INFO L749 eck$LassoCheckResult]: Loop: "goto;" "havoc main_#t~nondet4#1;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;" "assume !(0 == main_~q~0#1);" "assume !(1 == main_~q~0#1);" "assume !(2 == main_~q~0#1);" "assume !(3 == main_~q~0#1);havoc main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1;" [2024-11-28 03:12:54,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:54,544 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-28 03:12:54,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:12:54,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367153078] [2024-11-28 03:12:54,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:54,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:12:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:54,637 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:12:54,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:54,663 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:12:54,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:54,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1071430156, now seen corresponding path program 1 times [2024-11-28 03:12:54,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:12:54,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529242108] [2024-11-28 03:12:54,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:54,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:12:54,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:54,674 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:12:54,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:54,682 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:12:54,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:54,685 INFO L85 PathProgramCache]: Analyzing trace with hash 151479374, now seen corresponding path program 1 times [2024-11-28 03:12:54,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:12:54,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175509202] [2024-11-28 03:12:54,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:54,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:12:54,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:12:54,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 03:12:54,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175509202] [2024-11-28 03:12:54,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175509202] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:12:54,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1327741612] [2024-11-28 03:12:54,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:54,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:12:54,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f6f1440-6596-4d2c-a1ef-fd123f4da463/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:54,808 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f6f1440-6596-4d2c-a1ef-fd123f4da463/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:12:54,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f6f1440-6596-4d2c-a1ef-fd123f4da463/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:12:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:12:54,894 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:12:54,896 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:12:54,913 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:12:54,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1327741612] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:12:54,930 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:12:54,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-28 03:12:54,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640276554] [2024-11-28 03:12:54,932 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:12:55,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 03:12:55,050 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:12:55,050 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:12:55,056 INFO L87 Difference]: Start difference. First operand has 68 states, 67 states have (on average 1.8955223880597014) internal successors, (127), 67 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-11-28 03:12:55,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:12:55,120 INFO L93 Difference]: Finished difference Result 66 states and 102 transitions. [2024-11-28 03:12:55,121 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 66 states and 102 transitions. [2024-11-28 03:12:55,126 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 49 [2024-11-28 03:12:55,135 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 66 states to 52 states and 77 transitions. [2024-11-28 03:12:55,138 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 52 [2024-11-28 03:12:55,138 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 52 [2024-11-28 03:12:55,140 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 77 transitions. [2024-11-28 03:12:55,141 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 03:12:55,142 INFO L218 hiAutomatonCegarLoop]: Abstraction has 52 states and 77 transitions. [2024-11-28 03:12:55,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 77 transitions. [2024-11-28 03:12:55,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-28 03:12:55,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 52 states have (on average 1.4807692307692308) internal successors, (77), 51 states have internal predecessors, (77), 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) [2024-11-28 03:12:55,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 77 transitions. [2024-11-28 03:12:55,175 INFO L240 hiAutomatonCegarLoop]: Abstraction has 52 states and 77 transitions. [2024-11-28 03:12:55,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:12:55,181 INFO L425 stractBuchiCegarLoop]: Abstraction has 52 states and 77 transitions. [2024-11-28 03:12:55,183 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 03:12:55,183 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states and 77 transitions. [2024-11-28 03:12:55,184 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 49 [2024-11-28 03:12:55,185 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:12:55,185 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:12:55,185 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-28 03:12:55,185 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-28 03:12:55,185 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(13, 2);call #Ultimate.allocInit(12, 3);~m_flush~0 := 1;~m_PipedOutputStream~0 := 2;~m_close~0 := 3;~m_write~0 := 4;~m_connect_1~0 := 5;~m_connect_2~0 := 6;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_sink~0#1, main_~this_sinkConnected~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_sink~0#1 := 0;main_~this_sinkConnected~0#1 := 0;" "goto;" [2024-11-28 03:12:55,188 INFO L749 eck$LassoCheckResult]: Loop: "havoc main_#t~nondet4#1;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;" "assume 0 == main_~q~0#1;havoc main_#t~nondet8#1;" "assume !(0 != main_#t~nondet8#1);havoc main_#t~nondet8#1;" [2024-11-28 03:12:55,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:55,189 INFO L85 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times [2024-11-28 03:12:55,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:12:55,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716140104] [2024-11-28 03:12:55,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:55,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:12:55,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:55,203 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:12:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:55,219 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:12:55,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:55,223 INFO L85 PathProgramCache]: Analyzing trace with hash 41819, now seen corresponding path program 1 times [2024-11-28 03:12:55,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:12:55,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669598897] [2024-11-28 03:12:55,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:55,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:12:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:55,230 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:12:55,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:55,233 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:12:55,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:55,234 INFO L85 PathProgramCache]: Analyzing trace with hash 889541497, now seen corresponding path program 1 times [2024-11-28 03:12:55,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:12:55,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349524162] [2024-11-28 03:12:55,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:55,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:12:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:55,247 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:12:55,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:55,266 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:12:55,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:55,603 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:12:55,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:12:55,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:12:55 BoogieIcfgContainer [2024-11-28 03:12:55,660 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 03:12:55,661 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:12:55,661 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:12:55,661 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:12:55,662 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:12:54" (3/4) ... [2024-11-28 03:12:55,664 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-28 03:12:55,699 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f6f1440-6596-4d2c-a1ef-fd123f4da463/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:12:55,699 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:12:55,700 INFO L158 Benchmark]: Toolchain (without parser) took 2177.37ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 58.4MB in the end (delta: 34.4MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2024-11-28 03:12:55,700 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:12:55,701 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.19ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 80.4MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:12:55,701 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.18ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 78.8MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:12:55,701 INFO L158 Benchmark]: Boogie Preprocessor took 46.64ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 77.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:12:55,702 INFO L158 Benchmark]: RCFGBuilder took 510.41ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 60.5MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:12:55,702 INFO L158 Benchmark]: BuchiAutomizer took 1237.49ms. Allocated memory is still 117.4MB. Free memory was 60.2MB in the beginning and 60.8MB in the end (delta: -547.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:12:55,702 INFO L158 Benchmark]: Witness Printer took 38.55ms. Allocated memory is still 117.4MB. Free memory was 60.8MB in the beginning and 58.4MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:12:55,704 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.19ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 80.4MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.18ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 78.8MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.64ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 77.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 510.41ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 60.5MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1237.49ms. Allocated memory is still 117.4MB. Free memory was 60.2MB in the beginning and 60.8MB in the end (delta: -547.3kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 38.55ms. Allocated memory is still 117.4MB. Free memory was 60.8MB in the beginning and 58.4MB in the end (delta: 2.4MB). 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 Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 52 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 177 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 79 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 98 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 25]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L7] int m_flush = 1; [L8] int m_PipedOutputStream = 2; [L9] int m_close = 3; [L10] int m_write = 4; [L11] int m_connect_1 = 5; [L12] int m_connect_2 = 6; VAL [m_PipedOutputStream=2, m_close=3, m_connect_1=5, m_connect_2=6, m_flush=1, m_write=4] [L17] int q = 0; [L18] int method_id; [L21] int this_sink = 0; [L22] int this_sinkConnected = 0; VAL [m_PipedOutputStream=2, m_close=3, m_connect_1=5, m_connect_2=6, m_flush=1, m_write=4, q=0, this_sink=0, this_sinkConnected=0] Loop: [L28] int P1=__VERIFIER_nondet_int(); [L29] int P2=__VERIFIER_nondet_int(); [L30] int P3=__VERIFIER_nondet_int(); [L31] int P4=__VERIFIER_nondet_int(); [L35] COND TRUE q == 0 [L36] COND FALSE !(__VERIFIER_nondet_int()) End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 25]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L7] int m_flush = 1; [L8] int m_PipedOutputStream = 2; [L9] int m_close = 3; [L10] int m_write = 4; [L11] int m_connect_1 = 5; [L12] int m_connect_2 = 6; VAL [m_PipedOutputStream=2, m_close=3, m_connect_1=5, m_connect_2=6, m_flush=1, m_write=4] [L17] int q = 0; [L18] int method_id; [L21] int this_sink = 0; [L22] int this_sinkConnected = 0; VAL [m_PipedOutputStream=2, m_close=3, m_connect_1=5, m_connect_2=6, m_flush=1, m_write=4, q=0, this_sink=0, this_sinkConnected=0] Loop: [L28] int P1=__VERIFIER_nondet_int(); [L29] int P2=__VERIFIER_nondet_int(); [L30] int P3=__VERIFIER_nondet_int(); [L31] int P4=__VERIFIER_nondet_int(); [L35] COND TRUE q == 0 [L36] COND FALSE !(__VERIFIER_nondet_int()) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-28 03:12:55,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f6f1440-6596-4d2c-a1ef-fd123f4da463/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 03:12:55,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f6f1440-6596-4d2c-a1ef-fd123f4da463/bin/uautomizer-verify-aQ6SnzHsRB/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)