./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/memsafety/test-0217.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f 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_87da6301-0f82-403f-87fe-ab0e8c9ae25b/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87da6301-0f82-403f-87fe-ab0e8c9ae25b/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87da6301-0f82-403f-87fe-ab0e8c9ae25b/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87da6301-0f82-403f-87fe-ab0e8c9ae25b/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/memsafety/test-0217.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87da6301-0f82-403f-87fe-ab0e8c9ae25b/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87da6301-0f82-403f-87fe-ab0e8c9ae25b/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --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 163bc3b45d6f21a8e478003f84571178259b289b3d9717ecadbc4595fc507bec --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:30:25,450 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:30:25,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:30:25,471 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:30:25,472 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:30:25,473 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:30:25,475 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:30:25,476 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:30:25,478 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:30:25,479 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:30:25,480 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:30:25,481 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:30:25,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:30:25,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:30:25,484 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:30:25,485 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:30:25,487 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:30:25,488 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:30:25,490 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:30:25,492 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:30:25,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:30:25,497 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:30:25,499 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:30:25,500 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:30:25,503 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:30:25,503 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:30:25,504 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:30:25,505 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:30:25,505 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:30:25,506 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:30:25,515 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:30:25,516 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:30:25,518 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:30:25,520 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:30:25,521 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:30:25,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:30:25,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:30:25,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:30:25,523 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:30:25,524 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:30:25,525 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:30:25,525 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87da6301-0f82-403f-87fe-ab0e8c9ae25b/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-16 12:30:25,574 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:30:25,574 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:30:25,575 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:30:25,575 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:30:25,576 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:30:25,576 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:30:25,577 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:30:25,577 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 12:30:25,577 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 12:30:25,577 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 12:30:25,578 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 12:30:25,579 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 12:30:25,579 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 12:30:25,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:30:25,579 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:30:25,580 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:30:25,580 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:30:25,580 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:30:25,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:30:25,581 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 12:30:25,581 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 12:30:25,581 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 12:30:25,581 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:30:25,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:30:25,582 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 12:30:25,582 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:30:25,582 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 12:30:25,582 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:30:25,583 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:30:25,583 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:30:25,584 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:30:25,585 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 12:30:25,585 INFO L138 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_87da6301-0f82-403f-87fe-ab0e8c9ae25b/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87da6301-0f82-403f-87fe-ab0e8c9ae25b/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 163bc3b45d6f21a8e478003f84571178259b289b3d9717ecadbc4595fc507bec [2022-11-16 12:30:25,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:30:25,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:30:25,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:30:25,942 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:30:25,943 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:30:25,944 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87da6301-0f82-403f-87fe-ab0e8c9ae25b/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/memsafety/test-0217.i [2022-11-16 12:30:26,005 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87da6301-0f82-403f-87fe-ab0e8c9ae25b/bin/uautomizer-tPACEb0tL8/data/f54d320fb/edf12e5a89964b75a1461c9481c7b0f0/FLAG90ba782d7 [2022-11-16 12:30:26,543 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:30:26,545 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87da6301-0f82-403f-87fe-ab0e8c9ae25b/sv-benchmarks/c/memsafety/test-0217.i [2022-11-16 12:30:26,557 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87da6301-0f82-403f-87fe-ab0e8c9ae25b/bin/uautomizer-tPACEb0tL8/data/f54d320fb/edf12e5a89964b75a1461c9481c7b0f0/FLAG90ba782d7 [2022-11-16 12:30:26,833 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87da6301-0f82-403f-87fe-ab0e8c9ae25b/bin/uautomizer-tPACEb0tL8/data/f54d320fb/edf12e5a89964b75a1461c9481c7b0f0 [2022-11-16 12:30:26,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:30:26,838 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:30:26,844 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:30:26,844 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:30:26,848 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:30:26,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:30:26" (1/1) ... [2022-11-16 12:30:26,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c0966ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:26, skipping insertion in model container [2022-11-16 12:30:26,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:30:26" (1/1) ... [2022-11-16 12:30:26,857 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:30:26,910 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:30:27,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:30:27,383 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:30:27,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:30:27,457 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:30:27,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:27 WrapperNode [2022-11-16 12:30:27,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:30:27,459 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:30:27,459 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:30:27,459 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:30:27,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:27" (1/1) ... [2022-11-16 12:30:27,490 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:27" (1/1) ... [2022-11-16 12:30:27,515 INFO L138 Inliner]: procedures = 181, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 194 [2022-11-16 12:30:27,515 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:30:27,516 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:30:27,516 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:30:27,516 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:30:27,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:27" (1/1) ... [2022-11-16 12:30:27,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:27" (1/1) ... [2022-11-16 12:30:27,531 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:27" (1/1) ... [2022-11-16 12:30:27,531 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:27" (1/1) ... [2022-11-16 12:30:27,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:27" (1/1) ... [2022-11-16 12:30:27,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:27" (1/1) ... [2022-11-16 12:30:27,547 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:27" (1/1) ... [2022-11-16 12:30:27,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:27" (1/1) ... [2022-11-16 12:30:27,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:30:27,553 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:30:27,553 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:30:27,553 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:30:27,554 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:27" (1/1) ... [2022-11-16 12:30:27,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:30:27,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87da6301-0f82-403f-87fe-ab0e8c9ae25b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:30:27,591 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87da6301-0f82-403f-87fe-ab0e8c9ae25b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:30:27,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87da6301-0f82-403f-87fe-ab0e8c9ae25b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 12:30:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:30:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-16 12:30:27,631 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-16 12:30:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 12:30:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:30:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 12:30:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 12:30:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:30:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 12:30:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:30:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:30:27,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:30:27,808 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:30:27,810 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:30:27,814 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-16 12:30:28,299 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:30:28,312 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:30:28,314 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-16 12:30:28,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:30:28 BoogieIcfgContainer [2022-11-16 12:30:28,317 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:30:28,318 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 12:30:28,320 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 12:30:28,324 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 12:30:28,325 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:30:28,325 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 12:30:26" (1/3) ... [2022-11-16 12:30:28,327 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ea78e8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:30:28, skipping insertion in model container [2022-11-16 12:30:28,327 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:30:28,327 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:27" (2/3) ... [2022-11-16 12:30:28,328 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ea78e8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:30:28, skipping insertion in model container [2022-11-16 12:30:28,328 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:30:28,328 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:30:28" (3/3) ... [2022-11-16 12:30:28,329 INFO L332 chiAutomizerObserver]: Analyzing ICFG test-0217.i [2022-11-16 12:30:28,396 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 12:30:28,397 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 12:30:28,397 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 12:30:28,397 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 12:30:28,397 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 12:30:28,397 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 12:30:28,398 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 12:30:28,399 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 12:30:28,403 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 48 states, 45 states have (on average 1.5555555555555556) internal successors, (70), 45 states have internal predecessors, (70), 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) [2022-11-16 12:30:28,437 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 35 [2022-11-16 12:30:28,437 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:30:28,437 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:30:28,443 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 12:30:28,443 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-16 12:30:28,443 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 12:30:28,444 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 48 states, 45 states have (on average 1.5555555555555556) internal successors, (70), 45 states have internal predecessors, (70), 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) [2022-11-16 12:30:28,454 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 35 [2022-11-16 12:30:28,455 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:30:28,455 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:30:28,455 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 12:30:28,455 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-16 12:30:28,463 INFO L748 eck$LassoCheckResult]: Stem: 26#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);~#list~0.base, ~#list~0.offset := 3, 0;call #Ultimate.allocInit(8, 3);call write~init~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset, 4);call write~init~$Pointer$(0, 0, ~#list~0.base, 4 + ~#list~0.offset, 4); 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_#t~nondet28#1, main_#t~ret31#1, main_#t~nondet30#1, main_#t~nondet27#1, main_#t~nondet32#1, main_#t~mem33#1.base, main_#t~mem33#1.offset, main_#t~mem34#1.base, main_#t~mem34#1.offset, main_~next~1#1.base, main_~next~1#1.offset, main_~end_point~0#1, main_~direction~0#1, main_~cursor~1#1.base, main_~cursor~1#1.offset; 7#L732-2true [2022-11-16 12:30:28,464 INFO L750 eck$LassoCheckResult]: Loop: 7#L732-2true assume !!(0 != main_#t~nondet27#1);havoc main_#t~nondet27#1; 25#L730-2true assume !true; 39#L732-1true assume !(0 != main_#t~nondet30#1);havoc main_#t~nondet30#1; 7#L732-2true [2022-11-16 12:30:28,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:30:28,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 1 times [2022-11-16 12:30:28,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:30:28,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705568076] [2022-11-16 12:30:28,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:30:28,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:30:28,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:30:28,597 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:30:28,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:30:28,643 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:30:28,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:30:28,647 INFO L85 PathProgramCache]: Analyzing trace with hash 52442, now seen corresponding path program 1 times [2022-11-16 12:30:28,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:30:28,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219781139] [2022-11-16 12:30:28,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:30:28,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:30:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:28,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:30:28,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:30:28,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219781139] [2022-11-16 12:30:28,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219781139] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:30:28,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:30:28,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:30:28,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605683171] [2022-11-16 12:30:28,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:30:28,705 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 12:30:28,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:30:28,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 12:30:28,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 12:30:28,747 INFO L87 Difference]: Start difference. First operand has 48 states, 45 states have (on average 1.5555555555555556) internal successors, (70), 45 states have internal predecessors, (70), 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 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-16 12:30:28,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:30:28,764 INFO L93 Difference]: Finished difference Result 48 states and 66 transitions. [2022-11-16 12:30:28,765 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 66 transitions. [2022-11-16 12:30:28,773 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 35 [2022-11-16 12:30:28,778 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 44 states and 62 transitions. [2022-11-16 12:30:28,779 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 44 [2022-11-16 12:30:28,780 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 44 [2022-11-16 12:30:28,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 44 states and 62 transitions. [2022-11-16 12:30:28,781 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:30:28,781 INFO L218 hiAutomatonCegarLoop]: Abstraction has 44 states and 62 transitions. [2022-11-16 12:30:28,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states and 62 transitions. [2022-11-16 12:30:28,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-11-16 12:30:28,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 42 states have (on average 1.4285714285714286) internal successors, (60), 41 states have internal predecessors, (60), 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) [2022-11-16 12:30:28,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 62 transitions. [2022-11-16 12:30:28,819 INFO L240 hiAutomatonCegarLoop]: Abstraction has 44 states and 62 transitions. [2022-11-16 12:30:28,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 12:30:28,825 INFO L428 stractBuchiCegarLoop]: Abstraction has 44 states and 62 transitions. [2022-11-16 12:30:28,825 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 12:30:28,825 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states and 62 transitions. [2022-11-16 12:30:28,827 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 35 [2022-11-16 12:30:28,828 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:30:28,828 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:30:28,828 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 12:30:28,828 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-16 12:30:28,829 INFO L748 eck$LassoCheckResult]: Stem: 140#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);~#list~0.base, ~#list~0.offset := 3, 0;call #Ultimate.allocInit(8, 3);call write~init~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset, 4);call write~init~$Pointer$(0, 0, ~#list~0.base, 4 + ~#list~0.offset, 4); 108#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_#t~nondet28#1, main_#t~ret31#1, main_#t~nondet30#1, main_#t~nondet27#1, main_#t~nondet32#1, main_#t~mem33#1.base, main_#t~mem33#1.offset, main_#t~mem34#1.base, main_#t~mem34#1.offset, main_~next~1#1.base, main_~next~1#1.offset, main_~end_point~0#1, main_~direction~0#1, main_~cursor~1#1.base, main_~cursor~1#1.offset; 109#L732-2 [2022-11-16 12:30:28,829 INFO L750 eck$LassoCheckResult]: Loop: 109#L732-2 assume !!(0 != main_#t~nondet27#1);havoc main_#t~nondet27#1; 114#L730-2 assume !(0 != main_#t~nondet28#1);havoc main_#t~nondet28#1; 138#L732-1 assume !(0 != main_#t~nondet30#1);havoc main_#t~nondet30#1; 109#L732-2 [2022-11-16 12:30:28,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:30:28,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 2 times [2022-11-16 12:30:28,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:30:28,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320643993] [2022-11-16 12:30:28,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:30:28,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:30:28,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:30:28,853 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:30:28,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:30:28,861 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:30:28,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:30:28,862 INFO L85 PathProgramCache]: Analyzing trace with hash 49962, now seen corresponding path program 1 times [2022-11-16 12:30:28,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:30:28,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93373472] [2022-11-16 12:30:28,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:30:28,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:30:28,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:30:28,868 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:30:28,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:30:28,872 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:30:28,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:30:28,873 INFO L85 PathProgramCache]: Analyzing trace with hash 37288712, now seen corresponding path program 1 times [2022-11-16 12:30:28,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:30:28,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585597949] [2022-11-16 12:30:28,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:30:28,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:30:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:30:28,899 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:30:28,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:30:28,908 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:30:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:30:29,214 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:30:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:30:29,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 12:30:29 BoogieIcfgContainer [2022-11-16 12:30:29,261 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 12:30:29,262 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:30:29,262 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:30:29,262 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:30:29,263 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:30:28" (3/4) ... [2022-11-16 12:30:29,265 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-16 12:30:29,324 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87da6301-0f82-403f-87fe-ab0e8c9ae25b/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:30:29,324 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:30:29,325 INFO L158 Benchmark]: Toolchain (without parser) took 2486.85ms. Allocated memory is still 127.9MB. Free memory was 89.6MB in the beginning and 69.4MB in the end (delta: 20.2MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2022-11-16 12:30:29,326 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 127.9MB. Free memory is still 107.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:30:29,326 INFO L158 Benchmark]: CACSL2BoogieTranslator took 614.15ms. Allocated memory is still 127.9MB. Free memory was 89.4MB in the beginning and 90.9MB in the end (delta: -1.5MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2022-11-16 12:30:29,327 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.78ms. Allocated memory is still 127.9MB. Free memory was 90.9MB in the beginning and 88.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:30:29,328 INFO L158 Benchmark]: Boogie Preprocessor took 35.93ms. Allocated memory is still 127.9MB. Free memory was 88.3MB in the beginning and 86.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:30:29,328 INFO L158 Benchmark]: RCFGBuilder took 765.00ms. Allocated memory is still 127.9MB. Free memory was 86.2MB in the beginning and 63.2MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-16 12:30:29,329 INFO L158 Benchmark]: BuchiAutomizer took 943.04ms. Allocated memory is still 127.9MB. Free memory was 63.2MB in the beginning and 71.5MB in the end (delta: -8.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:30:29,329 INFO L158 Benchmark]: Witness Printer took 62.69ms. Allocated memory is still 127.9MB. Free memory was 70.7MB in the beginning and 69.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:30:29,333 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 127.9MB. Free memory is still 107.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 614.15ms. Allocated memory is still 127.9MB. Free memory was 89.4MB in the beginning and 90.9MB in the end (delta: -1.5MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.78ms. Allocated memory is still 127.9MB. Free memory was 90.9MB in the beginning and 88.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.93ms. Allocated memory is still 127.9MB. Free memory was 88.3MB in the beginning and 86.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 765.00ms. Allocated memory is still 127.9MB. Free memory was 86.2MB in the beginning and 63.2MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 943.04ms. Allocated memory is still 127.9MB. Free memory was 63.2MB in the beginning and 71.5MB in the end (delta: -8.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 62.69ms. Allocated memory is still 127.9MB. Free memory was 70.7MB in the beginning and 69.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 2 locations. The remainder module has 44 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. 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, 66 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, 66 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: 729]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L728] static list_t list; VAL [list={3:0}] Loop: [L729] COND TRUE __VERIFIER_nondet_int() [L730] COND FALSE !(__VERIFIER_nondet_int()) [L732] COND FALSE !(__VERIFIER_nondet_int()) End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 729]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L728] static list_t list; VAL [list={3:0}] Loop: [L729] COND TRUE __VERIFIER_nondet_int() [L730] COND FALSE !(__VERIFIER_nondet_int()) [L732] COND FALSE !(__VERIFIER_nondet_int()) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-16 12:30:29,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87da6301-0f82-403f-87fe-ab0e8c9ae25b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)