./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/psyco/psyco_security.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b8e5c6-8e04-46b6-8ab4-1c5d01e52b86/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b8e5c6-8e04-46b6-8ab4-1c5d01e52b86/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b8e5c6-8e04-46b6-8ab4-1c5d01e52b86/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b8e5c6-8e04-46b6-8ab4-1c5d01e52b86/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/psyco/psyco_security.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b8e5c6-8e04-46b6-8ab4-1c5d01e52b86/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b8e5c6-8e04-46b6-8ab4-1c5d01e52b86/bin/uautomizer-ug76WZFUDN --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 c03d27deb00d6c25e1f99c43455f6da27475e88a721be2a7236bfffedf5da1e8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 10:39:34,764 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:39:34,766 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:39:34,787 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:39:34,788 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:39:34,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:39:34,790 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:39:34,792 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:39:34,794 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:39:34,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:39:34,797 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:39:34,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:39:34,799 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:39:34,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:39:34,802 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:39:34,803 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:39:34,804 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:39:34,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:39:34,808 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:39:34,810 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:39:34,812 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:39:34,814 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:39:34,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:39:34,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:39:34,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:39:34,822 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:39:34,823 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:39:34,824 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:39:34,825 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:39:34,826 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:39:34,827 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:39:34,828 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:39:34,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:39:34,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:39:34,832 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:39:34,832 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:39:34,833 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:39:34,834 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:39:34,834 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:39:34,836 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:39:34,837 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:39:34,838 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b8e5c6-8e04-46b6-8ab4-1c5d01e52b86/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-20 10:39:34,863 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:39:34,864 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:39:34,864 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:39:34,864 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:39:34,866 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:39:34,866 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:39:34,866 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:39:34,866 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 10:39:34,867 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 10:39:34,867 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 10:39:34,867 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 10:39:34,867 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 10:39:34,867 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 10:39:34,868 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:39:34,868 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 10:39:34,868 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:39:34,868 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:39:34,868 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 10:39:34,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:39:34,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 10:39:34,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 10:39:34,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 10:39:34,869 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 10:39:34,869 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:39:34,870 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 10:39:34,870 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:39:34,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 10:39:34,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:39:34,870 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:39:34,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:39:34,871 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:39:34,872 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 10:39:34,872 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_d4b8e5c6-8e04-46b6-8ab4-1c5d01e52b86/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b8e5c6-8e04-46b6-8ab4-1c5d01e52b86/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c03d27deb00d6c25e1f99c43455f6da27475e88a721be2a7236bfffedf5da1e8 [2022-11-20 10:39:35,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:39:35,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:39:35,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:39:35,324 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:39:35,325 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:39:35,326 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b8e5c6-8e04-46b6-8ab4-1c5d01e52b86/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/psyco/psyco_security.c [2022-11-20 10:39:38,944 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:39:39,164 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:39:39,164 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b8e5c6-8e04-46b6-8ab4-1c5d01e52b86/sv-benchmarks/c/psyco/psyco_security.c [2022-11-20 10:39:39,175 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b8e5c6-8e04-46b6-8ab4-1c5d01e52b86/bin/uautomizer-ug76WZFUDN/data/f5fc7b63a/d9d0e7f7f77946e2b54be68532fc155e/FLAG8a6d0fe82 [2022-11-20 10:39:39,193 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b8e5c6-8e04-46b6-8ab4-1c5d01e52b86/bin/uautomizer-ug76WZFUDN/data/f5fc7b63a/d9d0e7f7f77946e2b54be68532fc155e [2022-11-20 10:39:39,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:39:39,198 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:39:39,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:39:39,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:39:39,205 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:39:39,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:39:39" (1/1) ... [2022-11-20 10:39:39,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bf7006f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:39, skipping insertion in model container [2022-11-20 10:39:39,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:39:39" (1/1) ... [2022-11-20 10:39:39,217 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:39:39,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:39:39,499 WARN L237 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_d4b8e5c6-8e04-46b6-8ab4-1c5d01e52b86/sv-benchmarks/c/psyco/psyco_security.c[12744,12757] [2022-11-20 10:39:39,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:39:39,532 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:39:39,568 WARN L237 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_d4b8e5c6-8e04-46b6-8ab4-1c5d01e52b86/sv-benchmarks/c/psyco/psyco_security.c[12744,12757] [2022-11-20 10:39:39,569 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:39:39,585 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:39:39,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:39 WrapperNode [2022-11-20 10:39:39,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:39:39,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:39:39,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:39:39,588 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:39:39,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:39" (1/1) ... [2022-11-20 10:39:39,618 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:39" (1/1) ... [2022-11-20 10:39:39,654 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 248 [2022-11-20 10:39:39,655 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:39:39,656 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:39:39,656 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:39:39,656 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:39:39,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:39" (1/1) ... [2022-11-20 10:39:39,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:39" (1/1) ... [2022-11-20 10:39:39,669 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:39" (1/1) ... [2022-11-20 10:39:39,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:39" (1/1) ... [2022-11-20 10:39:39,675 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:39" (1/1) ... [2022-11-20 10:39:39,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:39" (1/1) ... [2022-11-20 10:39:39,683 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:39" (1/1) ... [2022-11-20 10:39:39,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:39" (1/1) ... [2022-11-20 10:39:39,688 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:39:39,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:39:39,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:39:39,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:39:39,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:39" (1/1) ... [2022-11-20 10:39:39,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:39:39,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b8e5c6-8e04-46b6-8ab4-1c5d01e52b86/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:39:39,757 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b8e5c6-8e04-46b6-8ab4-1c5d01e52b86/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:39:39,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b8e5c6-8e04-46b6-8ab4-1c5d01e52b86/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 10:39:39,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:39:39,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:39:39,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:39:39,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:39:39,921 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:39:39,923 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:39:40,357 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:39:40,374 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:39:40,386 INFO L300 CfgBuilder]: Removed 18 assume(true) statements. [2022-11-20 10:39:40,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:39:40 BoogieIcfgContainer [2022-11-20 10:39:40,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:39:40,391 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 10:39:40,391 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 10:39:40,396 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 10:39:40,397 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:39:40,397 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 10:39:39" (1/3) ... [2022-11-20 10:39:40,399 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@736cc342 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:39:40, skipping insertion in model container [2022-11-20 10:39:40,414 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:39:40,415 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:39" (2/3) ... [2022-11-20 10:39:40,415 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@736cc342 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:39:40, skipping insertion in model container [2022-11-20 10:39:40,416 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:39:40,416 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:39:40" (3/3) ... [2022-11-20 10:39:40,418 INFO L332 chiAutomizerObserver]: Analyzing ICFG psyco_security.c [2022-11-20 10:39:40,524 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 10:39:40,524 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 10:39:40,525 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 10:39:40,525 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 10:39:40,525 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 10:39:40,525 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 10:39:40,525 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 10:39:40,526 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 10:39:40,532 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 77 states, 76 states have (on average 1.9210526315789473) internal successors, (146), 76 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:39:40,562 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 62 [2022-11-20 10:39:40,562 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:39:40,563 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:39:40,571 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 10:39:40,571 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:39:40,571 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 10:39:40,572 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 77 states, 76 states have (on average 1.9210526315789473) internal successors, (146), 76 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:39:40,579 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 62 [2022-11-20 10:39:40,579 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:39:40,579 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:39:40,580 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 10:39:40,581 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:39:40,591 INFO L748 eck$LassoCheckResult]: Stem: 64#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(17, 2);call #Ultimate.allocInit(12, 3);~m_initSign~0 := 1;~m_initVerify~0 := 2;~m_Signature~0 := 3;~m_sign~0 := 4;~m_verify~0 := 5;~m_update~0 := 6; 47#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_~q~0#1, main_~method_id~0#1, main_~this_state~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_state~0#1 := 0; 4#L24-2true [2022-11-20 10:39:40,593 INFO L750 eck$LassoCheckResult]: Loop: 4#L24-2true goto; 61#L383true assume !false; 24#L29true assume !(0 == main_~q~0#1); 56#L49true assume !(1 == main_~q~0#1); 65#L101true assume !(2 == main_~q~0#1); 36#L185true assume !(3 == main_~q~0#1); 58#L285true assume !(4 == main_~q~0#1); 4#L24-2true [2022-11-20 10:39:40,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:39:40,610 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-20 10:39:40,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:39:40,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803374046] [2022-11-20 10:39:40,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:40,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:39:40,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:39:40,758 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:39:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:39:40,818 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:39:40,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:39:40,823 INFO L85 PathProgramCache]: Analyzing trace with hash -1175019824, now seen corresponding path program 1 times [2022-11-20 10:39:40,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:39:40,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150940544] [2022-11-20 10:39:40,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:40,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:39:40,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:39:40,855 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:39:40,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:39:40,865 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:39:40,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:39:40,869 INFO L85 PathProgramCache]: Analyzing trace with hash 371277006, now seen corresponding path program 1 times [2022-11-20 10:39:40,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:39:40,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291948621] [2022-11-20 10:39:40,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:40,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:39:40,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:41,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:39:41,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:39:41,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291948621] [2022-11-20 10:39:41,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291948621] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:39:41,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:39:41,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:39:41,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747130151] [2022-11-20 10:39:41,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:39:41,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:39:41,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:39:41,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:39:41,176 INFO L87 Difference]: Start difference. First operand has 77 states, 76 states have (on average 1.9210526315789473) internal successors, (146), 76 states have internal predecessors, (146), 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 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:39:41,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:39:41,260 INFO L93 Difference]: Finished difference Result 80 states and 122 transitions. [2022-11-20 10:39:41,267 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 80 states and 122 transitions. [2022-11-20 10:39:41,271 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 56 [2022-11-20 10:39:41,276 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 80 states to 59 states and 81 transitions. [2022-11-20 10:39:41,277 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 59 [2022-11-20 10:39:41,278 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 59 [2022-11-20 10:39:41,279 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 81 transitions. [2022-11-20 10:39:41,280 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:39:41,280 INFO L218 hiAutomatonCegarLoop]: Abstraction has 59 states and 81 transitions. [2022-11-20 10:39:41,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 81 transitions. [2022-11-20 10:39:41,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-11-20 10:39:41,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 59 states have (on average 1.3728813559322033) internal successors, (81), 58 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:39:41,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2022-11-20 10:39:41,342 INFO L240 hiAutomatonCegarLoop]: Abstraction has 59 states and 81 transitions. [2022-11-20 10:39:41,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:39:41,356 INFO L428 stractBuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2022-11-20 10:39:41,356 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 10:39:41,357 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 59 states and 81 transitions. [2022-11-20 10:39:41,358 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 56 [2022-11-20 10:39:41,358 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:39:41,359 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:39:41,359 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-20 10:39:41,359 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 10:39:41,360 INFO L748 eck$LassoCheckResult]: Stem: 225#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(17, 2);call #Ultimate.allocInit(12, 3);~m_initSign~0 := 1;~m_initVerify~0 := 2;~m_Signature~0 := 3;~m_sign~0 := 4;~m_verify~0 := 5;~m_update~0 := 6; 217#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_~q~0#1, main_~method_id~0#1, main_~this_state~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_state~0#1 := 0; 171#L24-2 goto; 170#L383 [2022-11-20 10:39:41,360 INFO L750 eck$LassoCheckResult]: Loop: 170#L383 assume !false; 198#L29 assume 0 == main_~q~0#1; 168#L30 assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; 170#L383 [2022-11-20 10:39:41,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:39:41,361 INFO L85 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times [2022-11-20 10:39:41,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:39:41,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020522640] [2022-11-20 10:39:41,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:41,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:39:41,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:39:41,381 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:39:41,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:39:41,406 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:39:41,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:39:41,407 INFO L85 PathProgramCache]: Analyzing trace with hash 40826, now seen corresponding path program 1 times [2022-11-20 10:39:41,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:39:41,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865065407] [2022-11-20 10:39:41,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:41,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:39:41,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:39:41,413 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:39:41,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:39:41,417 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:39:41,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:39:41,418 INFO L85 PathProgramCache]: Analyzing trace with hash 889540504, now seen corresponding path program 1 times [2022-11-20 10:39:41,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:39:41,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161747533] [2022-11-20 10:39:41,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:41,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:39:41,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:39:41,436 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:39:41,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:39:41,448 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:39:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:39:41,752 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:39:41,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:39:41,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 10:39:41 BoogieIcfgContainer [2022-11-20 10:39:41,802 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 10:39:41,803 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:39:41,803 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:39:41,804 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:39:41,804 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:39:40" (3/4) ... [2022-11-20 10:39:41,808 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-20 10:39:41,850 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b8e5c6-8e04-46b6-8ab4-1c5d01e52b86/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 10:39:41,850 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:39:41,851 INFO L158 Benchmark]: Toolchain (without parser) took 2653.33ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 37.9MB in the end (delta: 63.3MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. [2022-11-20 10:39:41,852 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 107.0MB. Free memory is still 76.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:39:41,852 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.78ms. Allocated memory is still 142.6MB. Free memory was 100.9MB in the beginning and 110.1MB in the end (delta: -9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 10:39:41,853 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.82ms. Allocated memory is still 142.6MB. Free memory was 110.1MB in the beginning and 108.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:39:41,854 INFO L158 Benchmark]: Boogie Preprocessor took 32.48ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 106.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:39:41,854 INFO L158 Benchmark]: RCFGBuilder took 701.04ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 89.7MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 10:39:41,855 INFO L158 Benchmark]: BuchiAutomizer took 1411.39ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 39.8MB in the end (delta: 49.4MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2022-11-20 10:39:41,856 INFO L158 Benchmark]: Witness Printer took 47.38ms. Allocated memory is still 142.6MB. Free memory was 39.8MB in the beginning and 37.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:39:41,859 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 107.0MB. Free memory is still 76.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 386.78ms. Allocated memory is still 142.6MB. Free memory was 100.9MB in the beginning and 110.1MB in the end (delta: -9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.82ms. Allocated memory is still 142.6MB. Free memory was 110.1MB in the beginning and 108.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.48ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 106.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 701.04ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 89.7MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1411.39ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 39.8MB in the end (delta: 49.4MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Witness Printer took 47.38ms. Allocated memory is still 142.6MB. Free memory was 39.8MB in the beginning and 37.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. 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 59 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 202 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 84 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 118 mSDtfsCounter, 31 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 InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 24]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L7] int m_initSign = 1; [L8] int m_initVerify = 2; [L9] int m_Signature = 3; [L10] int m_sign = 4; [L11] int m_verify = 5; [L12] int m_update = 6; VAL [m_initSign=1, m_initVerify=2, m_sign=4, m_Signature=3, m_update=6, m_verify=5] [L17] int q = 0; [L18] int method_id; [L21] int this_state = 0; VAL [m_initSign=1, m_initVerify=2, m_sign=4, m_Signature=3, m_update=6, m_verify=5, q=0, this_state=0] Loop: [L24] COND TRUE 1 [L29] COND TRUE q == 0 [L30] COND FALSE !(__VERIFIER_nondet_int()) End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 24]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L7] int m_initSign = 1; [L8] int m_initVerify = 2; [L9] int m_Signature = 3; [L10] int m_sign = 4; [L11] int m_verify = 5; [L12] int m_update = 6; VAL [m_initSign=1, m_initVerify=2, m_sign=4, m_Signature=3, m_update=6, m_verify=5] [L17] int q = 0; [L18] int method_id; [L21] int this_state = 0; VAL [m_initSign=1, m_initVerify=2, m_sign=4, m_Signature=3, m_update=6, m_verify=5, q=0, this_state=0] Loop: [L24] COND TRUE 1 [L29] COND TRUE q == 0 [L30] COND FALSE !(__VERIFIER_nondet_int()) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 10:39:41,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b8e5c6-8e04-46b6-8ab4-1c5d01e52b86/bin/uautomizer-ug76WZFUDN/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)