./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/memsafety/test-0214.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b51c50-1dd8-4a28-aa4f-11f7b2ad3965/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b51c50-1dd8-4a28-aa4f-11f7b2ad3965/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b51c50-1dd8-4a28-aa4f-11f7b2ad3965/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b51c50-1dd8-4a28-aa4f-11f7b2ad3965/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/memsafety/test-0214.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b51c50-1dd8-4a28-aa4f-11f7b2ad3965/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b51c50-1dd8-4a28-aa4f-11f7b2ad3965/bin/uautomizer-UnR33cPsHg --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 3f6f146d76d903376288fe056dbbc9e1a8443f92d5e8b82343734efc8a9842e4 ................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:55:57,895 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:55:57,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:55:57,948 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:55:57,949 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:55:57,954 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:55:57,957 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:55:57,960 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:55:57,962 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:55:57,963 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:55:57,965 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:55:57,966 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:55:57,968 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:55:57,974 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:55:57,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:55:57,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:55:57,980 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:55:57,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:55:57,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:55:57,986 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:55:57,988 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:55:57,990 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:55:57,991 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:55:57,992 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:55:57,996 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:55:57,997 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:55:57,997 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:55:57,999 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:55:57,999 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:55:58,001 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:55:58,001 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:55:58,002 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:55:58,003 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:55:58,004 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:55:58,005 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:55:58,006 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:55:58,007 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:55:58,007 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:55:58,007 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:55:58,009 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:55:58,009 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:55:58,010 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b51c50-1dd8-4a28-aa4f-11f7b2ad3965/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 09:55:58,058 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:55:58,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:55:58,059 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:55:58,059 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:55:58,061 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:55:58,061 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:55:58,061 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:55:58,062 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:55:58,062 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:55:58,062 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:55:58,063 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:55:58,064 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:55:58,064 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:55:58,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:55:58,064 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:55:58,065 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:55:58,065 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:55:58,065 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:55:58,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:55:58,066 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:55:58,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:55:58,066 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:55:58,066 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:55:58,066 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:55:58,067 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:55:58,067 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:55:58,069 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:55:58,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:55:58,069 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:55:58,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:55:58,070 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:55:58,070 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:55:58,071 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:55:58,072 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_43b51c50-1dd8-4a28-aa4f-11f7b2ad3965/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b51c50-1dd8-4a28-aa4f-11f7b2ad3965/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f6f146d76d903376288fe056dbbc9e1a8443f92d5e8b82343734efc8a9842e4 [2021-10-28 09:55:58,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:55:58,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:55:58,442 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:55:58,443 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:55:58,445 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:55:58,446 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b51c50-1dd8-4a28-aa4f-11f7b2ad3965/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/memsafety/test-0214.i [2021-10-28 09:55:58,522 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b51c50-1dd8-4a28-aa4f-11f7b2ad3965/bin/uautomizer-UnR33cPsHg/data/8efeb19ce/2b55ee8876cc45f9b03115f809177e02/FLAGd784f6397 [2021-10-28 09:55:59,177 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:55:59,181 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b51c50-1dd8-4a28-aa4f-11f7b2ad3965/sv-benchmarks/c/memsafety/test-0214.i [2021-10-28 09:55:59,212 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b51c50-1dd8-4a28-aa4f-11f7b2ad3965/bin/uautomizer-UnR33cPsHg/data/8efeb19ce/2b55ee8876cc45f9b03115f809177e02/FLAGd784f6397 [2021-10-28 09:55:59,406 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b51c50-1dd8-4a28-aa4f-11f7b2ad3965/bin/uautomizer-UnR33cPsHg/data/8efeb19ce/2b55ee8876cc45f9b03115f809177e02 [2021-10-28 09:55:59,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:55:59,410 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:55:59,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:55:59,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:55:59,417 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:55:59,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:55:59" (1/1) ... [2021-10-28 09:55:59,420 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36c737fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:55:59, skipping insertion in model container [2021-10-28 09:55:59,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:55:59" (1/1) ... [2021-10-28 09:55:59,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:55:59,472 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:55:59,947 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:55:59,963 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:56:00,012 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:56:00,056 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:56:00,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:56:00 WrapperNode [2021-10-28 09:56:00,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:56:00,057 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:56:00,058 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:56:00,058 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:56:00,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:56:00" (1/1) ... [2021-10-28 09:56:00,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:56:00" (1/1) ... [2021-10-28 09:56:00,141 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:56:00,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:56:00,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:56:00,142 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:56:00,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:56:00" (1/1) ... [2021-10-28 09:56:00,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:56:00" (1/1) ... [2021-10-28 09:56:00,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:56:00" (1/1) ... [2021-10-28 09:56:00,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:56:00" (1/1) ... [2021-10-28 09:56:00,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:56:00" (1/1) ... [2021-10-28 09:56:00,181 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:56:00" (1/1) ... [2021-10-28 09:56:00,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:56:00" (1/1) ... [2021-10-28 09:56:00,203 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:56:00,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:56:00,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:56:00,205 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:56:00,206 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:56:00" (1/1) ... [2021-10-28 09:56:00,216 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:56:00,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b51c50-1dd8-4a28-aa4f-11f7b2ad3965/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:56:00,236 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b51c50-1dd8-4a28-aa4f-11f7b2ad3965/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:56:00,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b51c50-1dd8-4a28-aa4f-11f7b2ad3965/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:56:00,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 09:56:00,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-10-28 09:56:00,274 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-10-28 09:56:00,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 09:56:00,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-28 09:56:00,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:56:00,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-28 09:56:00,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 09:56:00,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-28 09:56:00,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:56:00,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:56:00,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:56:00,397 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 09:56:00,869 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:56:00,870 INFO L299 CfgBuilder]: Removed 20 assume(true) statements. [2021-10-28 09:56:00,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:56:00 BoogieIcfgContainer [2021-10-28 09:56:00,872 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:56:00,873 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:56:00,873 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:56:00,879 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:56:00,879 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:56:00,880 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:55:59" (1/3) ... [2021-10-28 09:56:00,881 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5852cd09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:56:00, skipping insertion in model container [2021-10-28 09:56:00,881 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:56:00,881 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:56:00" (2/3) ... [2021-10-28 09:56:00,882 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5852cd09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:56:00, skipping insertion in model container [2021-10-28 09:56:00,882 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:56:00,882 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:56:00" (3/3) ... [2021-10-28 09:56:00,883 INFO L389 chiAutomizerObserver]: Analyzing ICFG test-0214.i [2021-10-28 09:56:00,960 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:56:00,960 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:56:00,960 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:56:00,960 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:56:00,970 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:56:00,970 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:56:00,970 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:56:00,970 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:56:00,991 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 46 states, 43 states have (on average 1.5348837209302326) internal successors, (66), 43 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-28 09:56:01,022 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 33 [2021-10-28 09:56:01,023 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:56:01,023 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:56:01,030 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 09:56:01,030 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 09:56:01,031 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:56:01,031 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 46 states, 43 states have (on average 1.5348837209302326) internal successors, (66), 43 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-28 09:56:01,041 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 33 [2021-10-28 09:56:01,041 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:56:01,042 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:56:01,042 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 09:56:01,042 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 09:56:01,049 INFO L791 eck$LassoCheckResult]: Stem: 24#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(12);call ~#list~0.base, ~#list~0.offset := #Ultimate.allocOnStack(8);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); 4#L-1true havoc main_#res;havoc main_#t~ret25, main_#t~nondet24, main_#t~ret27, main_#t~nondet26, main_#t~nondet23, main_#t~nondet28, main_#t~mem29.base, main_#t~mem29.offset, main_#t~mem30.base, main_#t~mem30.offset, main_~next~1.base, main_~next~1.offset, main_~end_point~0, main_~direction~0, main_~cursor~0.base, main_~cursor~0.offset; 25#L728-2true [2021-10-28 09:56:01,049 INFO L793 eck$LassoCheckResult]: Loop: 25#L728-2true assume !!(0 != main_#t~nondet23);havoc main_#t~nondet23; 5#L726-2true assume !true; 23#L728-1true assume !true; 25#L728-2true [2021-10-28 09:56:01,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:56:01,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 1 times [2021-10-28 09:56:01,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:56:01,068 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703038084] [2021-10-28 09:56:01,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:56:01,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:56:01,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:56:01,197 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:56:01,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:56:01,274 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:56:01,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:56:01,277 INFO L85 PathProgramCache]: Analyzing trace with hash 51626, now seen corresponding path program 1 times [2021-10-28 09:56:01,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:56:01,279 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572435877] [2021-10-28 09:56:01,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:56:01,279 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:56:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:56:01,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:56:01,338 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:56:01,338 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572435877] [2021-10-28 09:56:01,339 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572435877] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:56:01,339 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:56:01,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:56:01,340 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366843191] [2021-10-28 09:56:01,345 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:56:01,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:56:01,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 09:56:01,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 09:56:01,363 INFO L87 Difference]: Start difference. First operand has 46 states, 43 states have (on average 1.5348837209302326) internal successors, (66), 43 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand has 2 states, 2 states have (on average 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) [2021-10-28 09:56:01,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:56:01,375 INFO L93 Difference]: Finished difference Result 46 states and 63 transitions. [2021-10-28 09:56:01,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 09:56:01,377 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 63 transitions. [2021-10-28 09:56:01,379 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 33 [2021-10-28 09:56:01,384 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 42 states and 59 transitions. [2021-10-28 09:56:01,386 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 42 [2021-10-28 09:56:01,386 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2021-10-28 09:56:01,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 59 transitions. [2021-10-28 09:56:01,387 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:56:01,388 INFO L681 BuchiCegarLoop]: Abstraction has 42 states and 59 transitions. [2021-10-28 09:56:01,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 59 transitions. [2021-10-28 09:56:01,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2021-10-28 09:56:01,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 40 states have (on average 1.425) internal successors, (57), 39 states have internal predecessors, (57), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-28 09:56:01,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 59 transitions. [2021-10-28 09:56:01,420 INFO L704 BuchiCegarLoop]: Abstraction has 42 states and 59 transitions. [2021-10-28 09:56:01,420 INFO L587 BuchiCegarLoop]: Abstraction has 42 states and 59 transitions. [2021-10-28 09:56:01,420 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 09:56:01,420 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42 states and 59 transitions. [2021-10-28 09:56:01,425 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 33 [2021-10-28 09:56:01,425 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:56:01,425 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:56:01,426 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 09:56:01,426 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 09:56:01,427 INFO L791 eck$LassoCheckResult]: Stem: 131#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(12);call ~#list~0.base, ~#list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset, 4);call write~init~$Pointer$(0, 0, ~#list~0.base, 4 + ~#list~0.offset, 4); 100#L-1 havoc main_#res;havoc main_#t~ret25, main_#t~nondet24, main_#t~ret27, main_#t~nondet26, main_#t~nondet23, main_#t~nondet28, main_#t~mem29.base, main_#t~mem29.offset, main_#t~mem30.base, main_#t~mem30.offset, main_~next~1.base, main_~next~1.offset, main_~end_point~0, main_~direction~0, main_~cursor~0.base, main_~cursor~0.offset; 101#L728-2 [2021-10-28 09:56:01,427 INFO L793 eck$LassoCheckResult]: Loop: 101#L728-2 assume !!(0 != main_#t~nondet23);havoc main_#t~nondet23; 102#L726-2 assume !(0 != main_#t~nondet24);havoc main_#t~nondet24; 103#L728-1 assume !(0 != main_#t~nondet26);havoc main_#t~nondet26; 101#L728-2 [2021-10-28 09:56:01,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:56:01,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 2 times [2021-10-28 09:56:01,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:56:01,428 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680718173] [2021-10-28 09:56:01,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:56:01,429 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:56:01,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:56:01,457 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:56:01,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:56:01,498 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:56:01,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:56:01,499 INFO L85 PathProgramCache]: Analyzing trace with hash 49935, now seen corresponding path program 1 times [2021-10-28 09:56:01,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:56:01,499 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061379026] [2021-10-28 09:56:01,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:56:01,500 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:56:01,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:56:01,506 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:56:01,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:56:01,519 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:56:01,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:56:01,520 INFO L85 PathProgramCache]: Analyzing trace with hash 37288685, now seen corresponding path program 1 times [2021-10-28 09:56:01,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:56:01,527 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797355532] [2021-10-28 09:56:01,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:56:01,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:56:01,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:56:01,540 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:56:01,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:56:01,557 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:56:02,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:56:02 BoogieIcfgContainer [2021-10-28 09:56:02,068 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:56:02,069 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:56:02,069 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:56:02,069 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:56:02,070 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:56:00" (3/4) ... [2021-10-28 09:56:02,073 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-28 09:56:02,114 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b51c50-1dd8-4a28-aa4f-11f7b2ad3965/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:56:02,114 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:56:02,116 INFO L168 Benchmark]: Toolchain (without parser) took 2705.41 ms. Allocated memory was 125.8 MB in the beginning and 182.5 MB in the end (delta: 56.6 MB). Free memory was 93.8 MB in the beginning and 111.6 MB in the end (delta: -17.8 MB). Peak memory consumption was 38.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:56:02,117 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 125.8 MB. Free memory is still 79.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:56:02,118 INFO L168 Benchmark]: CACSL2BoogieTranslator took 645.24 ms. Allocated memory is still 125.8 MB. Free memory was 93.5 MB in the beginning and 87.7 MB in the end (delta: 5.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:56:02,119 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.45 ms. Allocated memory is still 125.8 MB. Free memory was 87.7 MB in the beginning and 84.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:56:02,119 INFO L168 Benchmark]: Boogie Preprocessor took 62.24 ms. Allocated memory is still 125.8 MB. Free memory was 84.9 MB in the beginning and 83.1 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:56:02,120 INFO L168 Benchmark]: RCFGBuilder took 667.68 ms. Allocated memory is still 125.8 MB. Free memory was 83.1 MB in the beginning and 64.9 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-28 09:56:02,121 INFO L168 Benchmark]: BuchiAutomizer took 1195.12 ms. Allocated memory was 125.8 MB in the beginning and 182.5 MB in the end (delta: 56.6 MB). Free memory was 64.9 MB in the beginning and 113.1 MB in the end (delta: -48.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:56:02,122 INFO L168 Benchmark]: Witness Printer took 45.83 ms. Allocated memory is still 182.5 MB. Free memory was 113.1 MB in the beginning and 111.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:56:02,126 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 125.8 MB. Free memory is still 79.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 645.24 ms. Allocated memory is still 125.8 MB. Free memory was 93.5 MB in the beginning and 87.7 MB in the end (delta: 5.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 83.45 ms. Allocated memory is still 125.8 MB. Free memory was 87.7 MB in the beginning and 84.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.24 ms. Allocated memory is still 125.8 MB. Free memory was 84.9 MB in the beginning and 83.1 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 667.68 ms. Allocated memory is still 125.8 MB. Free memory was 83.1 MB in the beginning and 64.9 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1195.12 ms. Allocated memory was 125.8 MB in the beginning and 182.5 MB in the end (delta: 56.6 MB). Free memory was 64.9 MB in the beginning and 113.1 MB in the end (delta: -48.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. * Witness Printer took 45.83 ms. Allocated memory is still 182.5 MB. Free memory was 113.1 MB in the beginning and 111.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * 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 42 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. 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 42 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 63 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time 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 - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 725]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=24054} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4f706b90=0, NULL=0, NULL=24055, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@53e1e7b5=0, NULL=24054, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@67265682=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@4ef6b8b8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@4ef6b8b8=0, list=0, NULL=0, NULL=0, end_point=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@67265682=0, NULL=24057, NULL=0, list=24056, next=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c03911a=0, next=0, cursor=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@626fb971=17, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@b55b2c3=0, cursor=0, direction=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@78638126=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 725]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L724] static list_t list; Loop: [L725] COND TRUE __VERIFIER_nondet_int() [L726] COND FALSE !(__VERIFIER_nondet_int()) [L728] COND FALSE !(__VERIFIER_nondet_int()) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-28 09:56:02,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b51c50-1dd8-4a28-aa4f-11f7b2ad3965/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...