./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf6cf9-d0c1-4587-8654-dcd4a066021b/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf6cf9-d0c1-4587-8654-dcd4a066021b/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf6cf9-d0c1-4587-8654-dcd4a066021b/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf6cf9-d0c1-4587-8654-dcd4a066021b/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf6cf9-d0c1-4587-8654-dcd4a066021b/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf6cf9-d0c1-4587-8654-dcd4a066021b/bin/uautomizer-verify-4GaUIPS5ZU --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 64bit --witnessprinter.graph.data.programhash 4ce5b36ec45142454df368b1219eecfd99c0ab690f893f50424ec8a6183a262e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:11:56,597 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:11:56,727 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf6cf9-d0c1-4587-8654-dcd4a066021b/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-31 22:11:56,733 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:11:56,734 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:11:56,770 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:11:56,773 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:11:56,774 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:11:56,775 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:11:56,775 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:11:56,777 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:11:56,777 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:11:56,778 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:11:56,781 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-31 22:11:56,782 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-31 22:11:56,782 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-31 22:11:56,782 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-31 22:11:56,783 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-31 22:11:56,783 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-31 22:11:56,784 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:11:56,784 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-31 22:11:56,787 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:11:56,788 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:11:56,788 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-31 22:11:56,788 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-31 22:11:56,789 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-31 22:11:56,789 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:11:56,789 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:11:56,790 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:11:56,790 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-31 22:11:56,791 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:11:56,791 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:11:56,792 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:11:56,792 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:11:56,793 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:11:56,793 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-31 22:11:56,794 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf6cf9-d0c1-4587-8654-dcd4a066021b/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf6cf9-d0c1-4587-8654-dcd4a066021b/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ce5b36ec45142454df368b1219eecfd99c0ab690f893f50424ec8a6183a262e [2024-10-31 22:11:57,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:11:57,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:11:57,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:11:57,235 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:11:57,236 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:11:57,237 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf6cf9-d0c1-4587-8654-dcd4a066021b/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-1.c Unable to find full path for "g++" [2024-10-31 22:11:59,484 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:11:59,821 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:11:59,821 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf6cf9-d0c1-4587-8654-dcd4a066021b/sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-1.c [2024-10-31 22:11:59,829 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf6cf9-d0c1-4587-8654-dcd4a066021b/bin/uautomizer-verify-4GaUIPS5ZU/data/8d178735b/c83907d57e3c42bb8956c9bf26c09120/FLAG3af86db3f [2024-10-31 22:11:59,845 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf6cf9-d0c1-4587-8654-dcd4a066021b/bin/uautomizer-verify-4GaUIPS5ZU/data/8d178735b/c83907d57e3c42bb8956c9bf26c09120 [2024-10-31 22:11:59,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:11:59,850 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:11:59,852 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:11:59,852 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:11:59,859 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:11:59,860 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:11:59" (1/1) ... [2024-10-31 22:11:59,861 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@488c5de1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:59, skipping insertion in model container [2024-10-31 22:11:59,861 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:11:59" (1/1) ... [2024-10-31 22:11:59,884 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:12:00,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:12:00,132 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:12:00,142 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:12:00,165 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:12:00,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:00 WrapperNode [2024-10-31 22:12:00,165 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:12:00,167 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:12:00,167 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:12:00,167 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:12:00,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:00" (1/1) ... [2024-10-31 22:12:00,184 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:00" (1/1) ... [2024-10-31 22:12:00,202 INFO L138 Inliner]: procedures = 10, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25 [2024-10-31 22:12:00,202 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:12:00,203 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:12:00,203 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:12:00,204 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:12:00,218 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:00" (1/1) ... [2024-10-31 22:12:00,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:00" (1/1) ... [2024-10-31 22:12:00,220 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:00" (1/1) ... [2024-10-31 22:12:00,233 INFO L175 MemorySlicer]: Split 4 memory accesses to 1 slices as follows [4]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 2 writes are split as follows [2]. [2024-10-31 22:12:00,233 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:00" (1/1) ... [2024-10-31 22:12:00,234 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:00" (1/1) ... [2024-10-31 22:12:00,237 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:00" (1/1) ... [2024-10-31 22:12:00,241 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:00" (1/1) ... [2024-10-31 22:12:00,242 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:00" (1/1) ... [2024-10-31 22:12:00,243 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:00" (1/1) ... [2024-10-31 22:12:00,245 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:12:00,246 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:12:00,246 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:12:00,246 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:12:00,247 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:00" (1/1) ... [2024-10-31 22:12:00,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:12:00,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf6cf9-d0c1-4587-8654-dcd4a066021b/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:00,285 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf6cf9-d0c1-4587-8654-dcd4a066021b/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:12:00,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf6cf9-d0c1-4587-8654-dcd4a066021b/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-31 22:12:00,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:12:00,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:12:00,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:12:00,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:12:00,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:12:00,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:12:00,433 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:12:00,436 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:12:00,588 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2024-10-31 22:12:00,588 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:12:00,611 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:12:00,612 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:12:00,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:12:00 BoogieIcfgContainer [2024-10-31 22:12:00,614 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:12:00,615 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-31 22:12:00,615 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-31 22:12:00,620 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-31 22:12:00,621 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:12:00,622 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.10 10:11:59" (1/3) ... [2024-10-31 22:12:00,624 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7a1091d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:12:00, skipping insertion in model container [2024-10-31 22:12:00,625 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:12:00,625 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:00" (2/3) ... [2024-10-31 22:12:00,626 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7a1091d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:12:00, skipping insertion in model container [2024-10-31 22:12:00,626 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:12:00,626 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:12:00" (3/3) ... [2024-10-31 22:12:00,628 INFO L332 chiAutomizerObserver]: Analyzing ICFG SyntaxSupportPointer01-1.c [2024-10-31 22:12:00,708 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-31 22:12:00,708 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-31 22:12:00,708 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-31 22:12:00,708 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-31 22:12:00,708 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-31 22:12:00,709 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-31 22:12:00,709 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-31 22:12:00,709 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-31 22:12:00,716 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 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) [2024-10-31 22:12:00,736 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 22:12:00,737 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:12:00,738 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:12:00,744 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-31 22:12:00,745 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 22:12:00,745 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-31 22:12:00,745 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 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) [2024-10-31 22:12:00,747 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 22:12:00,747 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:12:00,747 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:12:00,747 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-31 22:12:00,748 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 22:12:00,757 INFO L745 eck$LassoCheckResult]: Stem: 6#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~mem3#1, main_#t~mem4#1, main_#t~post5#1, main_~p~0#1.base, main_~p~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~nondet2#1;call write~int#0(main_#t~nondet2#1, main_~p~0#1.base, main_~p~0#1.offset, 4);havoc main_#t~nondet2#1; 5#L16-3true [2024-10-31 22:12:00,758 INFO L747 eck$LassoCheckResult]: Loop: 5#L16-3true call main_#t~mem3#1 := read~int#0(main_~p~0#1.base, main_~p~0#1.offset, 4); 3#L16-1true assume !!(main_#t~mem3#1 >= 0);havoc main_#t~mem3#1;call main_#t~mem4#1 := read~int#0(main_~p~0#1.base, main_~p~0#1.offset, 4);main_#t~post5#1 := main_#t~mem4#1;call write~int#0(main_#t~post5#1 - 1, main_~p~0#1.base, main_~p~0#1.offset, 4);havoc main_#t~mem4#1;havoc main_#t~post5#1; 5#L16-3true [2024-10-31 22:12:00,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:00,768 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-10-31 22:12:00,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:00,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275398010] [2024-10-31 22:12:00,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:00,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:00,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:12:00,894 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:12:00,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:12:00,923 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:12:00,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:00,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2024-10-31 22:12:00,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:00,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292523995] [2024-10-31 22:12:00,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:00,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:00,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:12:00,938 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:12:00,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:12:00,947 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:12:00,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:00,954 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2024-10-31 22:12:00,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:00,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317872749] [2024-10-31 22:12:00,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:00,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:12:00,992 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:12:01,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:12:01,021 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:12:01,354 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:12:01,354 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:12:01,354 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:12:01,355 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:12:01,355 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:12:01,355 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:12:01,355 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:12:01,355 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:12:01,356 INFO L132 ssoRankerPreferences]: Filename of dumped script: SyntaxSupportPointer01-1.c_Iteration1_Lasso [2024-10-31 22:12:01,356 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:12:01,356 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:12:01,382 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:12:01,488 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:12:01,492 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:12:01,499 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:12:01,504 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:12:01,508 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:12:01,511 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:12:01,515 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:12:01,681 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:12:01,685 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:12:01,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:12:01,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf6cf9-d0c1-4587-8654-dcd4a066021b/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:01,690 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf6cf9-d0c1-4587-8654-dcd4a066021b/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:12:01,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf6cf9-d0c1-4587-8654-dcd4a066021b/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-31 22:12:01,695 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:12:01,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:12:01,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:12:01,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:12:01,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:12:01,721 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:12:01,721 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:12:01,729 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:12:01,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf6cf9-d0c1-4587-8654-dcd4a066021b/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-10-31 22:12:01,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:12:01,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf6cf9-d0c1-4587-8654-dcd4a066021b/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:01,753 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf6cf9-d0c1-4587-8654-dcd4a066021b/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:12:01,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf6cf9-d0c1-4587-8654-dcd4a066021b/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-31 22:12:01,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:12:01,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:12:01,768 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:12:01,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:12:01,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:12:01,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:12:01,772 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:12:01,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:12:01,776 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:12:01,783 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-31 22:12:01,784 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-31 22:12:01,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:12:01,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf6cf9-d0c1-4587-8654-dcd4a066021b/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:01,794 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf6cf9-d0c1-4587-8654-dcd4a066021b/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:12:01,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf6cf9-d0c1-4587-8654-dcd4a066021b/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-31 22:12:01,798 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:12:01,799 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 22:12:01,799 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:12:01,800 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~p~0#1.base) ULTIMATE.start_main_~p~0#1.offset)_1) = 2*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~p~0#1.base) ULTIMATE.start_main_~p~0#1.offset)_1 + 1 Supporting invariants [] [2024-10-31 22:12:01,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf6cf9-d0c1-4587-8654-dcd4a066021b/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-10-31 22:12:01,832 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2024-10-31 22:12:01,842 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-10-31 22:12:01,843 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-10-31 22:12:01,843 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~p~0!base,]]] [2024-10-31 22:12:01,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:01,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:01,890 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:12:01,892 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:12:01,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:01,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 22:12:01,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:12:01,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:02,013 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-10-31 22:12:02,016 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 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 1.3333333333333333) internal successors, (4), 3 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) [2024-10-31 22:12:02,079 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 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 1.3333333333333333) internal successors, (4), 3 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) Result 15 states and 17 transitions. Complement of second has 8 states. [2024-10-31 22:12:02,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-31 22:12:02,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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) [2024-10-31 22:12:02,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 9 transitions. [2024-10-31 22:12:02,093 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 2 letters. Loop has 2 letters. [2024-10-31 22:12:02,094 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:12:02,095 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 4 letters. Loop has 2 letters. [2024-10-31 22:12:02,096 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:12:02,096 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 2 letters. Loop has 4 letters. [2024-10-31 22:12:02,096 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:12:02,097 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2024-10-31 22:12:02,100 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-31 22:12:02,103 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2024-10-31 22:12:02,104 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-31 22:12:02,104 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-31 22:12:02,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-31 22:12:02,105 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:12:02,106 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:12:02,106 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:12:02,106 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:12:02,106 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-31 22:12:02,106 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-31 22:12:02,107 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-31 22:12:02,107 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-31 22:12:02,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 31.10 10:12:02 BoogieIcfgContainer [2024-10-31 22:12:02,115 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-31 22:12:02,116 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:12:02,116 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:12:02,117 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:12:02,117 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:12:00" (3/4) ... [2024-10-31 22:12:02,122 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:12:02,124 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:12:02,127 INFO L158 Benchmark]: Toolchain (without parser) took 2274.61ms. Allocated memory is still 184.5MB. Free memory was 150.2MB in the beginning and 70.7MB in the end (delta: 79.5MB). Peak memory consumption was 77.4MB. Max. memory is 16.1GB. [2024-10-31 22:12:02,127 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 121.6MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:12:02,128 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.21ms. Allocated memory is still 184.5MB. Free memory was 150.2MB in the beginning and 147.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:12:02,129 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.79ms. Allocated memory is still 184.5MB. Free memory was 147.3MB in the beginning and 146.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:12:02,130 INFO L158 Benchmark]: Boogie Preprocessor took 41.92ms. Allocated memory is still 184.5MB. Free memory was 146.2MB in the beginning and 144.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:12:02,131 INFO L158 Benchmark]: RCFGBuilder took 367.88ms. Allocated memory is still 184.5MB. Free memory was 144.1MB in the beginning and 133.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-31 22:12:02,131 INFO L158 Benchmark]: BuchiAutomizer took 1500.67ms. Allocated memory is still 184.5MB. Free memory was 133.6MB in the beginning and 70.7MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-10-31 22:12:02,132 INFO L158 Benchmark]: Witness Printer took 8.04ms. Allocated memory is still 184.5MB. Free memory is still 70.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:12:02,137 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 121.6MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 314.21ms. Allocated memory is still 184.5MB. Free memory was 150.2MB in the beginning and 147.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.79ms. Allocated memory is still 184.5MB. Free memory was 147.3MB in the beginning and 146.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.92ms. Allocated memory is still 184.5MB. Free memory was 146.2MB in the beginning and 144.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 367.88ms. Allocated memory is still 184.5MB. Free memory was 144.1MB in the beginning and 133.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1500.67ms. Allocated memory is still 184.5MB. Free memory was 133.6MB in the beginning and 70.7MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Witness Printer took 8.04ms. Allocated memory is still 184.5MB. Free memory is still 70.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~p~0!base,]]] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 2 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital100 mio100 ax100 hnf100 lsp100 ukn47 mio100 lsp33 div100 bol100 ite100 ukn100 eq150 hnf91 smp100 dnf118 smp84 tf100 neg100 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 42ms VariablesStem: 1 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-10-31 22:12:02,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf6cf9-d0c1-4587-8654-dcd4a066021b/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-10-31 22:12:02,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf6cf9-d0c1-4587-8654-dcd4a066021b/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE