./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/psyco/psyco_io_1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b6758-3ff5-4b05-a2cf-6ee5eacabb9d/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b6758-3ff5-4b05-a2cf-6ee5eacabb9d/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b6758-3ff5-4b05-a2cf-6ee5eacabb9d/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b6758-3ff5-4b05-a2cf-6ee5eacabb9d/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/psyco/psyco_io_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b6758-3ff5-4b05-a2cf-6ee5eacabb9d/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b6758-3ff5-4b05-a2cf-6ee5eacabb9d/bin/uautomizer-DQz5hQGWxF --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 4f9f01bde8fda2c75630f127009f2a9b60883250862a9d96b52c34a46b69c1e5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 05:49:24,465 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 05:49:24,467 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 05:49:24,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 05:49:24,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 05:49:24,498 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 05:49:24,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 05:49:24,502 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 05:49:24,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 05:49:24,505 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 05:49:24,507 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 05:49:24,508 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 05:49:24,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 05:49:24,510 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 05:49:24,511 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 05:49:24,513 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 05:49:24,514 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 05:49:24,515 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 05:49:24,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 05:49:24,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 05:49:24,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 05:49:24,522 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 05:49:24,524 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 05:49:24,524 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 05:49:24,528 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 05:49:24,529 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 05:49:24,529 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 05:49:24,530 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 05:49:24,531 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 05:49:24,532 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 05:49:24,532 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 05:49:24,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 05:49:24,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 05:49:24,535 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 05:49:24,536 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 05:49:24,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 05:49:24,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 05:49:24,538 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 05:49:24,538 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 05:49:24,540 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 05:49:24,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 05:49:24,541 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b6758-3ff5-4b05-a2cf-6ee5eacabb9d/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-20 05:49:24,565 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 05:49:24,566 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 05:49:24,566 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 05:49:24,566 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 05:49:24,568 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 05:49:24,568 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 05:49:24,568 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 05:49:24,568 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 05:49:24,569 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 05:49:24,569 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 05:49:24,569 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 05:49:24,569 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 05:49:24,569 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 05:49:24,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 05:49:24,570 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 05:49:24,570 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 05:49:24,570 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 05:49:24,571 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 05:49:24,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 05:49:24,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 05:49:24,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 05:49:24,572 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 05:49:24,572 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 05:49:24,572 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 05:49:24,572 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 05:49:24,572 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 05:49:24,573 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 05:49:24,573 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 05:49:24,573 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 05:49:24,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 05:49:24,574 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 05:49:24,574 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 05:49:24,575 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 05:49:24,575 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_9f9b6758-3ff5-4b05-a2cf-6ee5eacabb9d/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b6758-3ff5-4b05-a2cf-6ee5eacabb9d/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f9f01bde8fda2c75630f127009f2a9b60883250862a9d96b52c34a46b69c1e5 [2021-11-20 05:49:24,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 05:49:24,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 05:49:24,907 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 05:49:24,908 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 05:49:24,909 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 05:49:24,911 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b6758-3ff5-4b05-a2cf-6ee5eacabb9d/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/psyco/psyco_io_1.c [2021-11-20 05:49:24,968 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b6758-3ff5-4b05-a2cf-6ee5eacabb9d/bin/uautomizer-DQz5hQGWxF/data/e0d080c91/85a31f3aac2e42958783103d292fdc4e/FLAG23cf97a52 [2021-11-20 05:49:25,391 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 05:49:25,392 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b6758-3ff5-4b05-a2cf-6ee5eacabb9d/sv-benchmarks/c/psyco/psyco_io_1.c [2021-11-20 05:49:25,401 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b6758-3ff5-4b05-a2cf-6ee5eacabb9d/bin/uautomizer-DQz5hQGWxF/data/e0d080c91/85a31f3aac2e42958783103d292fdc4e/FLAG23cf97a52 [2021-11-20 05:49:25,783 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b6758-3ff5-4b05-a2cf-6ee5eacabb9d/bin/uautomizer-DQz5hQGWxF/data/e0d080c91/85a31f3aac2e42958783103d292fdc4e [2021-11-20 05:49:25,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 05:49:25,788 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 05:49:25,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 05:49:25,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 05:49:25,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 05:49:25,806 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:49:25" (1/1) ... [2021-11-20 05:49:25,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77067181 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:49:25, skipping insertion in model container [2021-11-20 05:49:25,807 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:49:25" (1/1) ... [2021-11-20 05:49:25,813 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 05:49:25,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 05:49:26,042 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b6758-3ff5-4b05-a2cf-6ee5eacabb9d/sv-benchmarks/c/psyco/psyco_io_1.c[11478,11491] [2021-11-20 05:49:26,043 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:49:26,051 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 05:49:26,100 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b6758-3ff5-4b05-a2cf-6ee5eacabb9d/sv-benchmarks/c/psyco/psyco_io_1.c[11478,11491] [2021-11-20 05:49:26,101 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:49:26,118 INFO L208 MainTranslator]: Completed translation [2021-11-20 05:49:26,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:49:26 WrapperNode [2021-11-20 05:49:26,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 05:49:26,120 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 05:49:26,120 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 05:49:26,121 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 05:49:26,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:49:26" (1/1) ... [2021-11-20 05:49:26,149 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:49:26" (1/1) ... [2021-11-20 05:49:26,177 INFO L137 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 236 [2021-11-20 05:49:26,178 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 05:49:26,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 05:49:26,179 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 05:49:26,179 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 05:49:26,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:49:26" (1/1) ... [2021-11-20 05:49:26,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:49:26" (1/1) ... [2021-11-20 05:49:26,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:49:26" (1/1) ... [2021-11-20 05:49:26,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:49:26" (1/1) ... [2021-11-20 05:49:26,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:49:26" (1/1) ... [2021-11-20 05:49:26,200 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:49:26" (1/1) ... [2021-11-20 05:49:26,202 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:49:26" (1/1) ... [2021-11-20 05:49:26,205 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 05:49:26,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 05:49:26,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 05:49:26,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 05:49:26,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:49:26" (1/1) ... [2021-11-20 05:49:26,215 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:26,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b6758-3ff5-4b05-a2cf-6ee5eacabb9d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:26,238 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b6758-3ff5-4b05-a2cf-6ee5eacabb9d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:26,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b6758-3ff5-4b05-a2cf-6ee5eacabb9d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 05:49:26,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 05:49:26,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 05:49:26,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 05:49:26,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 05:49:26,356 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 05:49:26,357 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 05:49:26,577 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 05:49:26,584 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 05:49:26,584 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-20 05:49:26,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:49:26 BoogieIcfgContainer [2021-11-20 05:49:26,586 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 05:49:26,587 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 05:49:26,588 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 05:49:26,591 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 05:49:26,591 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 05:49:26,592 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 05:49:25" (1/3) ... [2021-11-20 05:49:26,593 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@440b1a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 05:49:26, skipping insertion in model container [2021-11-20 05:49:26,593 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 05:49:26,593 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:49:26" (2/3) ... [2021-11-20 05:49:26,594 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@440b1a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 05:49:26, skipping insertion in model container [2021-11-20 05:49:26,594 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 05:49:26,594 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:49:26" (3/3) ... [2021-11-20 05:49:26,595 INFO L388 chiAutomizerObserver]: Analyzing ICFG psyco_io_1.c [2021-11-20 05:49:26,692 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 05:49:26,693 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 05:49:26,693 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 05:49:26,693 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 05:49:26,693 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 05:49:26,693 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 05:49:26,693 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 05:49:26,693 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 05:49:26,730 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 67 states, 66 states have (on average 1.9090909090909092) internal successors, (126), 66 states have internal predecessors, (126), 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) [2021-11-20 05:49:26,772 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 53 [2021-11-20 05:49:26,772 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:49:26,772 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:49:26,779 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-20 05:49:26,779 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-11-20 05:49:26,779 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 05:49:26,780 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 67 states, 66 states have (on average 1.9090909090909092) internal successors, (126), 66 states have internal predecessors, (126), 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) [2021-11-20 05:49:26,786 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 53 [2021-11-20 05:49:26,786 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:49:26,786 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:49:26,787 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-20 05:49:26,787 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-11-20 05:49:26,792 INFO L791 eck$LassoCheckResult]: Stem: 45#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(13, 2);call #Ultimate.allocInit(12, 3);~m_flush~0 := 1;~m_PipedOutputStream~0 := 2;~m_close~0 := 3;~m_write~0 := 4;~m_connect_1~0 := 5;~m_connect_2~0 := 6; 37#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_sink~0#1, main_~this_sinkConnected~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_sink~0#1 := 0;main_~this_sinkConnected~0#1 := 0; 12#L25-2true [2021-11-20 05:49:26,792 INFO L793 eck$LassoCheckResult]: Loop: 12#L25-2true goto; 10#L337true assume !false;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 42#L35true assume !(0 == main_~q~0#1); 56#L55true assume !(1 == main_~q~0#1); 53#L107true assume !(2 == main_~q~0#1); 67#L223true assume !(3 == main_~q~0#1); 12#L25-2true [2021-11-20 05:49:26,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:49:26,798 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-11-20 05:49:26,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:49:26,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510236344] [2021-11-20 05:49:26,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:49:26,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:49:26,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:49:26,888 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:49:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:49:26,923 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:49:26,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:49:26,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1070475851, now seen corresponding path program 1 times [2021-11-20 05:49:26,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:49:26,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625695029] [2021-11-20 05:49:26,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:49:26,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:49:26,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:49:26,935 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:49:26,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:49:26,943 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:49:26,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:49:26,945 INFO L85 PathProgramCache]: Analyzing trace with hash 150525069, now seen corresponding path program 1 times [2021-11-20 05:49:26,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:49:26,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39903517] [2021-11-20 05:49:26,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:49:26,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:49:26,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:49:27,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:49:27,018 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:49:27,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39903517] [2021-11-20 05:49:27,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39903517] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:49:27,019 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:49:27,019 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 05:49:27,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939141878] [2021-11-20 05:49:27,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:49:27,159 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:49:27,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 05:49:27,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:49:27,196 INFO L87 Difference]: Start difference. First operand has 67 states, 66 states have (on average 1.9090909090909092) internal successors, (126), 66 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:49:27,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:49:27,261 INFO L93 Difference]: Finished difference Result 66 states and 102 transitions. [2021-11-20 05:49:27,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 05:49:27,268 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 66 states and 102 transitions. [2021-11-20 05:49:27,275 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 49 [2021-11-20 05:49:27,279 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 66 states to 52 states and 77 transitions. [2021-11-20 05:49:27,281 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 52 [2021-11-20 05:49:27,281 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 52 [2021-11-20 05:49:27,282 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 77 transitions. [2021-11-20 05:49:27,283 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:49:27,283 INFO L681 BuchiCegarLoop]: Abstraction has 52 states and 77 transitions. [2021-11-20 05:49:27,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 77 transitions. [2021-11-20 05:49:27,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2021-11-20 05:49:27,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 52 states have (on average 1.4807692307692308) internal successors, (77), 51 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:49:27,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 77 transitions. [2021-11-20 05:49:27,311 INFO L704 BuchiCegarLoop]: Abstraction has 52 states and 77 transitions. [2021-11-20 05:49:27,311 INFO L587 BuchiCegarLoop]: Abstraction has 52 states and 77 transitions. [2021-11-20 05:49:27,311 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 05:49:27,311 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states and 77 transitions. [2021-11-20 05:49:27,313 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 49 [2021-11-20 05:49:27,313 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:49:27,313 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:49:27,314 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 05:49:27,314 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-20 05:49:27,314 INFO L791 eck$LassoCheckResult]: Stem: 187#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(13, 2);call #Ultimate.allocInit(12, 3);~m_flush~0 := 1;~m_PipedOutputStream~0 := 2;~m_close~0 := 3;~m_write~0 := 4;~m_connect_1~0 := 5;~m_connect_2~0 := 6; 182#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_sink~0#1, main_~this_sinkConnected~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_sink~0#1 := 0;main_~this_sinkConnected~0#1 := 0; 154#L25-2 goto; 152#L337 [2021-11-20 05:49:27,314 INFO L793 eck$LassoCheckResult]: Loop: 152#L337 assume !false;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 153#L35 assume 0 == main_~q~0#1; 186#L36 assume !(0 != main_#t~nondet8#1);havoc main_#t~nondet8#1; 152#L337 [2021-11-20 05:49:27,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:49:27,315 INFO L85 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times [2021-11-20 05:49:27,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:49:27,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119119328] [2021-11-20 05:49:27,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:49:27,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:49:27,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:49:27,327 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:49:27,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:49:27,339 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:49:27,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:49:27,340 INFO L85 PathProgramCache]: Analyzing trace with hash 40826, now seen corresponding path program 1 times [2021-11-20 05:49:27,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:49:27,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642995394] [2021-11-20 05:49:27,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:49:27,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:49:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:49:27,346 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:49:27,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:49:27,352 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:49:27,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:49:27,353 INFO L85 PathProgramCache]: Analyzing trace with hash 889540504, now seen corresponding path program 1 times [2021-11-20 05:49:27,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:49:27,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130381060] [2021-11-20 05:49:27,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:49:27,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:49:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:49:27,364 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:49:27,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:49:27,378 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:49:27,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 05:49:27 BoogieIcfgContainer [2021-11-20 05:49:27,642 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 05:49:27,647 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 05:49:27,648 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 05:49:27,648 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 05:49:27,649 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:49:26" (3/4) ... [2021-11-20 05:49:27,651 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-11-20 05:49:27,712 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b6758-3ff5-4b05-a2cf-6ee5eacabb9d/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 05:49:27,715 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 05:49:27,717 INFO L158 Benchmark]: Toolchain (without parser) took 1927.82ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 44.7MB in the beginning and 65.9MB in the end (delta: -21.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:49:27,720 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 81.8MB. Free memory is still 61.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:49:27,721 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.14ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 44.4MB in the beginning and 72.2MB in the end (delta: -27.8MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2021-11-20 05:49:27,722 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.75ms. Allocated memory is still 98.6MB. Free memory was 72.2MB in the beginning and 70.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 05:49:27,723 INFO L158 Benchmark]: Boogie Preprocessor took 26.67ms. Allocated memory is still 98.6MB. Free memory was 70.4MB in the beginning and 68.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 05:49:27,724 INFO L158 Benchmark]: RCFGBuilder took 380.56ms. Allocated memory is still 98.6MB. Free memory was 68.9MB in the beginning and 55.2MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-20 05:49:27,727 INFO L158 Benchmark]: BuchiAutomizer took 1055.11ms. Allocated memory is still 98.6MB. Free memory was 55.2MB in the beginning and 67.5MB in the end (delta: -12.2MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2021-11-20 05:49:27,727 INFO L158 Benchmark]: Witness Printer took 68.01ms. Allocated memory is still 98.6MB. Free memory was 67.5MB in the beginning and 65.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:49:27,729 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 81.8MB. Free memory is still 61.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 329.14ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 44.4MB in the beginning and 72.2MB in the end (delta: -27.8MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.75ms. Allocated memory is still 98.6MB. Free memory was 72.2MB in the beginning and 70.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.67ms. Allocated memory is still 98.6MB. Free memory was 70.4MB in the beginning and 68.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 380.56ms. Allocated memory is still 98.6MB. Free memory was 68.9MB in the beginning and 55.2MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 1055.11ms. Allocated memory is still 98.6MB. Free memory was 55.2MB in the beginning and 67.5MB in the end (delta: -12.2MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. * Witness Printer took 68.01ms. Allocated memory is still 98.6MB. Free memory was 67.5MB in the beginning and 65.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 52 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. 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 52 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 171 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 73 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22 IncrementalHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 98 mSDtfsCounter, 22 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 25]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {m_PipedOutputStream=2, NULL=0, this_sinkConnected=0, this_sink=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6578244c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@45dd777=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2d893dfa=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@25eba8d3=0, m_connect_2=6, m_connect_1=5, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f5dc32f=0, P4=10, method_id=0, P3=7, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@30d3eeb1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@605f5ceb=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@41539266=7, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6e1d70d0=8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@354d8338=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@299c72d9=10, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2fc6717b=9, q=0, P2=8, \result=0, m_close=3, m_write=4, m_flush=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7e03243f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@510aeb28=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d4e8a6f=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@270e37a5=0, P1=9, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4739ea62=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4489379=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79ae4611=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7f7ba1a7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@480e1e94=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1eebab2f=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 25]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L7] int m_flush = 1; [L8] int m_PipedOutputStream = 2; [L9] int m_close = 3; [L10] int m_write = 4; [L11] int m_connect_1 = 5; [L12] int m_connect_2 = 6; [L17] int q = 0; [L18] int method_id; [L21] int this_sink = 0; [L22] int this_sinkConnected = 0; Loop: [L25] COND TRUE 1 [L28] int P1=__VERIFIER_nondet_int(); [L29] int P2=__VERIFIER_nondet_int(); [L30] int P3=__VERIFIER_nondet_int(); [L31] int P4=__VERIFIER_nondet_int(); [L35] COND TRUE q == 0 [L36] COND FALSE !(__VERIFIER_nondet_int()) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-11-20 05:49:27,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9b6758-3ff5-4b05-a2cf-6ee5eacabb9d/bin/uautomizer-DQz5hQGWxF/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)