./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/memsafety/test-0214.i --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_889f9829-8267-49e7-9abd-1ea61512f53c/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9829-8267-49e7-9abd-1ea61512f53c/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_889f9829-8267-49e7-9abd-1ea61512f53c/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9829-8267-49e7-9abd-1ea61512f53c/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/memsafety/test-0214.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9829-8267-49e7-9abd-1ea61512f53c/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_889f9829-8267-49e7-9abd-1ea61512f53c/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 3f6f146d76d903376288fe056dbbc9e1a8443f92d5e8b82343734efc8a9842e4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:21:17,368 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:21:17,495 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9829-8267-49e7-9abd-1ea61512f53c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-28 04:21:17,506 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:21:17,506 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:21:17,540 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:21:17,541 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:21:17,541 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:21:17,542 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:21:17,542 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:21:17,542 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:21:17,542 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:21:17,542 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:21:17,543 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 04:21:17,543 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 04:21:17,543 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 04:21:17,543 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 04:21:17,543 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 04:21:17,543 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 04:21:17,544 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:21:17,544 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 04:21:17,544 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:21:17,544 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:21:17,544 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:21:17,544 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:21:17,544 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 04:21:17,545 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 04:21:17,545 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 04:21:17,545 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:21:17,545 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:21:17,545 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:21:17,545 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 04:21:17,545 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:21:17,546 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:21:17,546 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:21:17,546 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:21:17,546 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:21:17,546 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 04:21:17,547 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 04:21:17,547 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_889f9829-8267-49e7-9abd-1ea61512f53c/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 -> 3f6f146d76d903376288fe056dbbc9e1a8443f92d5e8b82343734efc8a9842e4 [2024-11-28 04:21:17,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:21:17,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:21:17,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:21:17,957 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:21:17,958 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:21:17,961 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9829-8267-49e7-9abd-1ea61512f53c/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/memsafety/test-0214.i [2024-11-28 04:21:22,130 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9829-8267-49e7-9abd-1ea61512f53c/bin/uautomizer-verify-aQ6SnzHsRB/data/1c88f01d0/3add9e1fdbb64d968a95ca38bdefcdde/FLAG51d6b2101 [2024-11-28 04:21:22,553 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:21:22,557 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9829-8267-49e7-9abd-1ea61512f53c/sv-benchmarks/c/memsafety/test-0214.i [2024-11-28 04:21:22,594 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9829-8267-49e7-9abd-1ea61512f53c/bin/uautomizer-verify-aQ6SnzHsRB/data/1c88f01d0/3add9e1fdbb64d968a95ca38bdefcdde/FLAG51d6b2101 [2024-11-28 04:21:22,629 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9829-8267-49e7-9abd-1ea61512f53c/bin/uautomizer-verify-aQ6SnzHsRB/data/1c88f01d0/3add9e1fdbb64d968a95ca38bdefcdde [2024-11-28 04:21:22,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:21:22,638 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:21:22,640 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:21:22,643 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:21:22,650 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:21:22,652 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:21:22" (1/1) ... [2024-11-28 04:21:22,653 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7853d252 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:22, skipping insertion in model container [2024-11-28 04:21:22,653 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:21:22" (1/1) ... [2024-11-28 04:21:22,721 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:21:23,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:21:23,193 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:21:23,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:21:23,361 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:21:23,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:23 WrapperNode [2024-11-28 04:21:23,362 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:21:23,363 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:21:23,363 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:21:23,363 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:21:23,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:23" (1/1) ... [2024-11-28 04:21:23,390 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:23" (1/1) ... [2024-11-28 04:21:23,422 INFO L138 Inliner]: procedures = 181, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 164 [2024-11-28 04:21:23,422 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:21:23,423 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:21:23,423 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:21:23,423 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:21:23,435 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:23" (1/1) ... [2024-11-28 04:21:23,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:23" (1/1) ... [2024-11-28 04:21:23,440 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:23" (1/1) ... [2024-11-28 04:21:23,470 INFO L175 MemorySlicer]: Split 26 memory accesses to 3 slices as follows [2, 17, 7]. 65 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 2, 0]. The 10 writes are split as follows [0, 5, 5]. [2024-11-28 04:21:23,470 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:23" (1/1) ... [2024-11-28 04:21:23,471 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:23" (1/1) ... [2024-11-28 04:21:23,487 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:23" (1/1) ... [2024-11-28 04:21:23,488 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:23" (1/1) ... [2024-11-28 04:21:23,493 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:23" (1/1) ... [2024-11-28 04:21:23,496 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:23" (1/1) ... [2024-11-28 04:21:23,498 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:23" (1/1) ... [2024-11-28 04:21:23,506 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:21:23,508 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:21:23,508 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:21:23,508 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:21:23,509 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:23" (1/1) ... [2024-11-28 04:21:23,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:21:23,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9829-8267-49e7-9abd-1ea61512f53c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:21:23,561 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9829-8267-49e7-9abd-1ea61512f53c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:21:23,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9829-8267-49e7-9abd-1ea61512f53c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 04:21:23,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 04:21:23,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 04:21:23,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 04:21:23,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-28 04:21:23,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-28 04:21:23,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-28 04:21:23,612 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-28 04:21:23,612 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-28 04:21:23,612 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-28 04:21:23,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 04:21:23,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:21:23,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 04:21:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 04:21:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 04:21:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 04:21:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 04:21:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 04:21:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 04:21:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 04:21:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 04:21:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 04:21:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:21:23,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 04:21:23,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 04:21:23,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:21:23,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:21:23,831 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:21:23,833 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:21:23,837 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-28 04:21:23,901 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-28 04:21:23,926 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-28 04:21:24,358 INFO L? ?]: Removed 71 outVars from TransFormulas that were not future-live. [2024-11-28 04:21:24,359 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:21:24,377 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:21:24,379 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-28 04:21:24,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:21:24 BoogieIcfgContainer [2024-11-28 04:21:24,380 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:21:24,381 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 04:21:24,382 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 04:21:24,388 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 04:21:24,389 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 04:21:24,389 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 04:21:22" (1/3) ... [2024-11-28 04:21:24,390 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6b8bc7a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 04:21:24, skipping insertion in model container [2024-11-28 04:21:24,390 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 04:21:24,390 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:23" (2/3) ... [2024-11-28 04:21:24,390 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6b8bc7a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 04:21:24, skipping insertion in model container [2024-11-28 04:21:24,390 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 04:21:24,391 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:21:24" (3/3) ... [2024-11-28 04:21:24,392 INFO L363 chiAutomizerObserver]: Analyzing ICFG test-0214.i [2024-11-28 04:21:24,482 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 04:21:24,482 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 04:21:24,483 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 04:21:24,483 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 04:21:24,483 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 04:21:24,483 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 04:21:24,483 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 04:21:24,484 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 04:21:24,491 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 48 states, 45 states have (on average 1.4666666666666666) internal successors, (66), 45 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:21:24,517 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 35 [2024-11-28 04:21:24,518 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:21:24,518 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:21:24,525 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 04:21:24,526 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 04:21:24,526 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 04:21:24,527 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 48 states, 45 states have (on average 1.4666666666666666) internal successors, (66), 45 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:21:24,530 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 35 [2024-11-28 04:21:24,530 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:21:24,530 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:21:24,531 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 04:21:24,531 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 04:21:24,540 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(12, 2);call #Ultimate.allocInit(8, 3);~#list~0.base, ~#list~0.offset := 3, 0;call write~init~$Pointer$#1(0, 0, ~#list~0.base, ~#list~0.offset, 4);call write~init~$Pointer$#1(0, 0, ~#list~0.base, 4 + ~#list~0.offset, 4);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~nondet20#1, main_#t~ret21#1, main_#t~nondet22#1, main_#t~ret23#1, main_#t~nondet24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_~next~1#1.base, main_~next~1#1.offset, main_~end_point~0#1, main_~direction~0#1, main_~cursor~0#1.base, main_~cursor~0#1.offset;" [2024-11-28 04:21:24,540 INFO L749 eck$LassoCheckResult]: Loop: "havoc main_#t~nondet19#1;" "assume 0 != main_#t~nondet19#1;havoc main_#t~nondet19#1;" "assume !true;" "assume !true;" [2024-11-28 04:21:24,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:21:24,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1827, now seen corresponding path program 1 times [2024-11-28 04:21:24,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:21:24,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089849160] [2024-11-28 04:21:24,568 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:21:24,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:21:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:21:24,696 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:21:24,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:21:24,744 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:21:24,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:21:24,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1944463, now seen corresponding path program 1 times [2024-11-28 04:21:24,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:21:24,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045735217] [2024-11-28 04:21:24,750 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:21:24,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:21:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:21:24,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 04:21:24,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045735217] [2024-11-28 04:21:24,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045735217] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:21:24,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [650720371] [2024-11-28 04:21:24,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:21:24,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:21:24,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9829-8267-49e7-9abd-1ea61512f53c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:21:24,804 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9829-8267-49e7-9abd-1ea61512f53c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:21:24,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9829-8267-49e7-9abd-1ea61512f53c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:21:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:21:24,911 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:21:24,912 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:21:24,920 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:21:24,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [650720371] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:21:24,926 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:21:24,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 2 [2024-11-28 04:21:24,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821447129] [2024-11-28 04:21:24,929 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:21:24,934 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-28 04:21:24,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 04:21:24,978 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:21:24,978 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:21:24,982 INFO L87 Difference]: Start difference. First operand has 48 states, 45 states have (on average 1.4666666666666666) internal successors, (66), 45 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 04:21:24,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:21:24,997 INFO L93 Difference]: Finished difference Result 48 states and 63 transitions. [2024-11-28 04:21:24,999 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 63 transitions. [2024-11-28 04:21:25,004 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 35 [2024-11-28 04:21:25,017 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 44 states and 59 transitions. [2024-11-28 04:21:25,018 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 44 [2024-11-28 04:21:25,019 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 44 [2024-11-28 04:21:25,019 INFO L73 IsDeterministic]: Start isDeterministic. Operand 44 states and 59 transitions. [2024-11-28 04:21:25,020 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 04:21:25,021 INFO L218 hiAutomatonCegarLoop]: Abstraction has 44 states and 59 transitions. [2024-11-28 04:21:25,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states and 59 transitions. [2024-11-28 04:21:25,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-11-28 04:21:25,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 42 states have (on average 1.3571428571428572) internal successors, (57), 41 states have internal predecessors, (57), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:21:25,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 59 transitions. [2024-11-28 04:21:25,059 INFO L240 hiAutomatonCegarLoop]: Abstraction has 44 states and 59 transitions. [2024-11-28 04:21:25,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:21:25,064 INFO L425 stractBuchiCegarLoop]: Abstraction has 44 states and 59 transitions. [2024-11-28 04:21:25,064 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 04:21:25,064 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states and 59 transitions. [2024-11-28 04:21:25,066 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 35 [2024-11-28 04:21:25,066 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:21:25,066 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:21:25,066 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 04:21:25,066 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-28 04:21:25,067 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(8, 3);~#list~0.base, ~#list~0.offset := 3, 0;call write~init~$Pointer$#1(0, 0, ~#list~0.base, ~#list~0.offset, 4);call write~init~$Pointer$#1(0, 0, ~#list~0.base, 4 + ~#list~0.offset, 4);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~nondet20#1, main_#t~ret21#1, main_#t~nondet22#1, main_#t~ret23#1, main_#t~nondet24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_~next~1#1.base, main_~next~1#1.offset, main_~end_point~0#1, main_~direction~0#1, main_~cursor~0#1.base, main_~cursor~0#1.offset;" [2024-11-28 04:21:25,067 INFO L749 eck$LassoCheckResult]: Loop: "havoc main_#t~nondet19#1;" "assume 0 != main_#t~nondet19#1;havoc main_#t~nondet19#1;" "havoc main_#t~nondet20#1;" "assume !(0 != main_#t~nondet20#1);havoc main_#t~nondet20#1;" "havoc main_#t~nondet22#1;" "assume !(0 != main_#t~nondet22#1);havoc main_#t~nondet22#1;" [2024-11-28 04:21:25,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:21:25,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1827, now seen corresponding path program 2 times [2024-11-28 04:21:25,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:21:25,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79278488] [2024-11-28 04:21:25,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:21:25,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:21:25,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:21:25,090 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:21:25,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:21:25,113 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:21:25,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:21:25,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1866812142, now seen corresponding path program 1 times [2024-11-28 04:21:25,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:21:25,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371645321] [2024-11-28 04:21:25,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:21:25,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:21:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:21:25,127 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:21:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:21:25,140 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:21:25,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:21:25,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1049104240, now seen corresponding path program 1 times [2024-11-28 04:21:25,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:21:25,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384563231] [2024-11-28 04:21:25,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:21:25,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:21:25,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:21:25,168 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:21:25,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:21:25,180 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:21:25,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:21:25,516 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:21:25,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:21:25,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 04:21:25 BoogieIcfgContainer [2024-11-28 04:21:25,569 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 04:21:25,570 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:21:25,570 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:21:25,570 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:21:25,571 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:21:24" (3/4) ... [2024-11-28 04:21:25,573 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-28 04:21:25,612 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9829-8267-49e7-9abd-1ea61512f53c/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 04:21:25,612 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:21:25,617 INFO L158 Benchmark]: Toolchain (without parser) took 2975.43ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 47.1MB in the end (delta: 44.1MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2024-11-28 04:21:25,617 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:21:25,618 INFO L158 Benchmark]: CACSL2BoogieTranslator took 722.62ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 69.6MB in the end (delta: 21.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 04:21:25,618 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.17ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 67.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:21:25,619 INFO L158 Benchmark]: Boogie Preprocessor took 83.79ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 64.4MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:21:25,621 INFO L158 Benchmark]: RCFGBuilder took 872.44ms. Allocated memory is still 117.4MB. Free memory was 64.4MB in the beginning and 40.9MB in the end (delta: 23.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 04:21:25,622 INFO L158 Benchmark]: BuchiAutomizer took 1187.80ms. Allocated memory is still 117.4MB. Free memory was 40.7MB in the beginning and 48.9MB in the end (delta: -8.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:21:25,622 INFO L158 Benchmark]: Witness Printer took 42.39ms. Allocated memory is still 117.4MB. Free memory was 48.9MB in the beginning and 47.1MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:21:25,625 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 722.62ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 69.6MB in the end (delta: 21.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.17ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 67.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 83.79ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 64.4MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 872.44ms. Allocated memory is still 117.4MB. Free memory was 64.4MB in the beginning and 40.9MB in the end (delta: 23.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 1187.80ms. Allocated memory is still 117.4MB. Free memory was 40.7MB in the beginning and 48.9MB in the end (delta: -8.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 42.39ms. Allocated memory is still 117.4MB. Free memory was 48.9MB in the beginning and 47.1MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. 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 2 locations. The remainder module has 44 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. 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, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 63 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 63 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 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: 725]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L724] static list_t list; [L724] static list_t list; [L724] static list_t list; VAL [list={3:0}] Loop: [L725] COND TRUE __VERIFIER_nondet_int() [L726] COND FALSE !(__VERIFIER_nondet_int()) [L728] COND FALSE !(__VERIFIER_nondet_int()) End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 725]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L724] static list_t list; [L724] static list_t list; [L724] static list_t list; VAL [list={3:0}] Loop: [L725] COND TRUE __VERIFIER_nondet_int() [L726] COND FALSE !(__VERIFIER_nondet_int()) [L728] COND FALSE !(__VERIFIER_nondet_int()) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-28 04:21:25,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9829-8267-49e7-9abd-1ea61512f53c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 04:21:25,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889f9829-8267-49e7-9abd-1ea61512f53c/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)