./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 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c1b4e-f2d0-4582-b465-6d606a4f5a6a/bin/uautomizer-AkOaLMaTGY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c1b4e-f2d0-4582-b465-6d606a4f5a6a/bin/uautomizer-AkOaLMaTGY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c1b4e-f2d0-4582-b465-6d606a4f5a6a/bin/uautomizer-AkOaLMaTGY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c1b4e-f2d0-4582-b465-6d606a4f5a6a/bin/uautomizer-AkOaLMaTGY/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/psyco/psyco_security.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c1b4e-f2d0-4582-b465-6d606a4f5a6a/bin/uautomizer-AkOaLMaTGY/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c1b4e-f2d0-4582-b465-6d606a4f5a6a/bin/uautomizer-AkOaLMaTGY --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 --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 08:30:22,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 08:30:22,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 08:30:22,650 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 08:30:22,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 08:30:22,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 08:30:22,655 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 08:30:22,658 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 08:30:22,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 08:30:22,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 08:30:22,664 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 08:30:22,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 08:30:22,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 08:30:22,668 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 08:30:22,670 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 08:30:22,673 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 08:30:22,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 08:30:22,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 08:30:22,679 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 08:30:22,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 08:30:22,685 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 08:30:22,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 08:30:22,691 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 08:30:22,694 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 08:30:22,699 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 08:30:22,700 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 08:30:22,700 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 08:30:22,701 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 08:30:22,702 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 08:30:22,704 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 08:30:22,704 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 08:30:22,706 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 08:30:22,707 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 08:30:22,713 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 08:30:22,716 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 08:30:22,716 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 08:30:22,717 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 08:30:22,717 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 08:30:22,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 08:30:22,719 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 08:30:22,720 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 08:30:22,721 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c1b4e-f2d0-4582-b465-6d606a4f5a6a/bin/uautomizer-AkOaLMaTGY/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-07 08:30:22,765 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 08:30:22,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 08:30:22,766 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 08:30:22,766 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 08:30:22,767 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 08:30:22,767 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 08:30:22,768 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 08:30:22,768 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-07 08:30:22,768 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-07 08:30:22,768 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-07 08:30:22,768 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-07 08:30:22,769 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-07 08:30:22,769 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-07 08:30:22,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 08:30:22,769 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 08:30:22,770 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 08:30:22,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 08:30:22,774 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 08:30:22,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 08:30:22,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-07 08:30:22,775 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-07 08:30:22,775 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-07 08:30:22,776 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 08:30:22,776 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 08:30:22,777 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-07 08:30:22,777 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 08:30:22,779 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-07 08:30:22,779 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 08:30:22,779 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 08:30:22,780 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 08:30:22,780 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 08:30:22,780 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 08:30:22,782 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-07 08:30:22,782 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_ef0c1b4e-f2d0-4582-b465-6d606a4f5a6a/bin/uautomizer-AkOaLMaTGY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c1b4e-f2d0-4582-b465-6d606a4f5a6a/bin/uautomizer-AkOaLMaTGY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c03d27deb00d6c25e1f99c43455f6da27475e88a721be2a7236bfffedf5da1e8 [2021-11-07 08:30:23,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 08:30:23,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 08:30:23,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 08:30:23,128 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 08:30:23,129 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 08:30:23,130 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c1b4e-f2d0-4582-b465-6d606a4f5a6a/bin/uautomizer-AkOaLMaTGY/../../sv-benchmarks/c/psyco/psyco_security.c [2021-11-07 08:30:23,205 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c1b4e-f2d0-4582-b465-6d606a4f5a6a/bin/uautomizer-AkOaLMaTGY/data/b100dcece/080ee6375c3a42e392b1f9f4ff35a7d7/FLAGff0759c28 [2021-11-07 08:30:23,670 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 08:30:23,671 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c1b4e-f2d0-4582-b465-6d606a4f5a6a/sv-benchmarks/c/psyco/psyco_security.c [2021-11-07 08:30:23,681 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c1b4e-f2d0-4582-b465-6d606a4f5a6a/bin/uautomizer-AkOaLMaTGY/data/b100dcece/080ee6375c3a42e392b1f9f4ff35a7d7/FLAGff0759c28 [2021-11-07 08:30:24,058 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c1b4e-f2d0-4582-b465-6d606a4f5a6a/bin/uautomizer-AkOaLMaTGY/data/b100dcece/080ee6375c3a42e392b1f9f4ff35a7d7 [2021-11-07 08:30:24,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 08:30:24,064 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 08:30:24,068 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 08:30:24,069 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 08:30:24,073 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 08:30:24,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:30:24" (1/1) ... [2021-11-07 08:30:24,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f5cb408 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:24, skipping insertion in model container [2021-11-07 08:30:24,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:30:24" (1/1) ... [2021-11-07 08:30:24,085 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 08:30:24,118 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 08:30:24,334 WARN L228 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_ef0c1b4e-f2d0-4582-b465-6d606a4f5a6a/sv-benchmarks/c/psyco/psyco_security.c[12744,12757] [2021-11-07 08:30:24,336 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:30:24,346 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 08:30:24,380 WARN L228 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_ef0c1b4e-f2d0-4582-b465-6d606a4f5a6a/sv-benchmarks/c/psyco/psyco_security.c[12744,12757] [2021-11-07 08:30:24,381 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:30:24,396 INFO L208 MainTranslator]: Completed translation [2021-11-07 08:30:24,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:24 WrapperNode [2021-11-07 08:30:24,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 08:30:24,398 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 08:30:24,398 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 08:30:24,398 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 08:30:24,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:24" (1/1) ... [2021-11-07 08:30:24,415 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:24" (1/1) ... [2021-11-07 08:30:24,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 08:30:24,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 08:30:24,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 08:30:24,445 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 08:30:24,454 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:24" (1/1) ... [2021-11-07 08:30:24,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:24" (1/1) ... [2021-11-07 08:30:24,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:24" (1/1) ... [2021-11-07 08:30:24,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:24" (1/1) ... [2021-11-07 08:30:24,464 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:24" (1/1) ... [2021-11-07 08:30:24,471 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:24" (1/1) ... [2021-11-07 08:30:24,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:24" (1/1) ... [2021-11-07 08:30:24,477 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 08:30:24,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 08:30:24,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 08:30:24,479 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 08:30:24,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:24" (1/1) ... [2021-11-07 08:30:24,488 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:30:24,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c1b4e-f2d0-4582-b465-6d606a4f5a6a/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:30:24,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c1b4e-f2d0-4582-b465-6d606a4f5a6a/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:30:24,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c1b4e-f2d0-4582-b465-6d606a4f5a6a/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-07 08:30:24,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 08:30:24,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 08:30:24,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 08:30:24,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 08:30:24,972 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 08:30:24,973 INFO L299 CfgBuilder]: Removed 22 assume(true) statements. [2021-11-07 08:30:24,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:30:24 BoogieIcfgContainer [2021-11-07 08:30:24,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 08:30:24,976 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-07 08:30:24,977 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-07 08:30:24,980 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-07 08:30:24,981 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 08:30:24,982 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.11 08:30:24" (1/3) ... [2021-11-07 08:30:24,983 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35c7c8ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.11 08:30:24, skipping insertion in model container [2021-11-07 08:30:24,983 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 08:30:24,984 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:24" (2/3) ... [2021-11-07 08:30:24,984 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35c7c8ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.11 08:30:24, skipping insertion in model container [2021-11-07 08:30:24,984 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 08:30:24,984 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:30:24" (3/3) ... [2021-11-07 08:30:24,986 INFO L389 chiAutomizerObserver]: Analyzing ICFG psyco_security.c [2021-11-07 08:30:25,059 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-07 08:30:25,059 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-07 08:30:25,059 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-07 08:30:25,059 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-07 08:30:25,059 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-07 08:30:25,060 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-07 08:30:25,060 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-07 08:30:25,060 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-07 08:30:25,110 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) [2021-11-07 08:30:25,168 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 62 [2021-11-07 08:30:25,169 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 08:30:25,169 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 08:30:25,176 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-07 08:30:25,177 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:30:25,177 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-07 08:30:25,178 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) [2021-11-07 08:30:25,189 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 62 [2021-11-07 08:30:25,189 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 08:30:25,189 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 08:30:25,190 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-07 08:30:25,190 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:30:25,201 INFO L791 eck$LassoCheckResult]: Stem: 65#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(17);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~m_initSign~0 := 1;~m_initVerify~0 := 2;~m_Signature~0 := 3;~m_sign~0 := 4;~m_verify~0 := 5;~m_update~0 := 6; 48#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_~q~0, main_~method_id~0, main_~this_state~0;main_~q~0 := 0;havoc main_~method_id~0;main_~this_state~0 := 0; 5#L24-2true [2021-11-07 08:30:25,202 INFO L793 eck$LassoCheckResult]: Loop: 5#L24-2true goto; 62#L383true assume !false; 25#L29true assume !(0 == main_~q~0); 57#L49true assume !(1 == main_~q~0); 66#L101true assume !(2 == main_~q~0); 37#L185true assume !(3 == main_~q~0); 59#L285true assume !(4 == main_~q~0); 5#L24-2true [2021-11-07 08:30:25,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:30:25,214 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-11-07 08:30:25,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:30:25,225 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519942758] [2021-11-07 08:30:25,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:30:25,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:30:25,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:30:25,329 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:30:25,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:30:25,395 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:30:25,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:30:25,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1175019824, now seen corresponding path program 1 times [2021-11-07 08:30:25,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:30:25,403 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993641247] [2021-11-07 08:30:25,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:30:25,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:30:25,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:30:25,410 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:30:25,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:30:25,417 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:30:25,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:30:25,419 INFO L85 PathProgramCache]: Analyzing trace with hash 371277006, now seen corresponding path program 1 times [2021-11-07 08:30:25,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:30:25,420 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644044369] [2021-11-07 08:30:25,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:30:25,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:30:25,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:30:25,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:30:25,513 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:30:25,513 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644044369] [2021-11-07 08:30:25,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644044369] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:30:25,517 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:30:25,517 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:30:25,517 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565817393] [2021-11-07 08:30:25,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:30:25,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:30:25,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:30:25,619 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) [2021-11-07 08:30:25,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:30:25,723 INFO L93 Difference]: Finished difference Result 80 states and 122 transitions. [2021-11-07 08:30:25,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:30:25,726 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 80 states and 122 transitions. [2021-11-07 08:30:25,738 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 56 [2021-11-07 08:30:25,749 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 80 states to 59 states and 81 transitions. [2021-11-07 08:30:25,750 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 59 [2021-11-07 08:30:25,752 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 59 [2021-11-07 08:30:25,753 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 81 transitions. [2021-11-07 08:30:25,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 08:30:25,754 INFO L681 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2021-11-07 08:30:25,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 81 transitions. [2021-11-07 08:30:25,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2021-11-07 08:30:25,790 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) [2021-11-07 08:30:25,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2021-11-07 08:30:25,798 INFO L704 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2021-11-07 08:30:25,799 INFO L587 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2021-11-07 08:30:25,799 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-07 08:30:25,799 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 59 states and 81 transitions. [2021-11-07 08:30:25,803 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 56 [2021-11-07 08:30:25,804 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 08:30:25,804 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 08:30:25,804 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-07 08:30:25,804 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-07 08:30:25,805 INFO L791 eck$LassoCheckResult]: Stem: 225#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(17);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_~q~0, main_~method_id~0, main_~this_state~0;main_~q~0 := 0;havoc main_~method_id~0;main_~this_state~0 := 0; 171#L24-2 goto; 170#L383 [2021-11-07 08:30:25,805 INFO L793 eck$LassoCheckResult]: Loop: 170#L383 assume !false; 198#L29 assume 0 == main_~q~0; 168#L30 assume !(0 != main_#t~nondet7);havoc main_#t~nondet7; 170#L383 [2021-11-07 08:30:25,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:30:25,806 INFO L85 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times [2021-11-07 08:30:25,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:30:25,806 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838503953] [2021-11-07 08:30:25,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:30:25,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:30:25,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:30:25,824 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:30:25,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:30:25,845 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:30:25,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:30:25,847 INFO L85 PathProgramCache]: Analyzing trace with hash 40826, now seen corresponding path program 1 times [2021-11-07 08:30:25,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:30:25,847 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182657166] [2021-11-07 08:30:25,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:30:25,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:30:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:30:25,852 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:30:25,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:30:25,857 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:30:25,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:30:25,858 INFO L85 PathProgramCache]: Analyzing trace with hash 889540504, now seen corresponding path program 1 times [2021-11-07 08:30:25,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:30:25,859 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560509977] [2021-11-07 08:30:25,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:30:25,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:30:25,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:30:25,877 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:30:25,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:30:25,897 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:30:26,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.11 08:30:26 BoogieIcfgContainer [2021-11-07 08:30:26,416 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-07 08:30:26,417 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 08:30:26,417 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 08:30:26,417 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 08:30:26,417 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:30:24" (3/4) ... [2021-11-07 08:30:26,420 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-11-07 08:30:26,455 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c1b4e-f2d0-4582-b465-6d606a4f5a6a/bin/uautomizer-AkOaLMaTGY/witness.graphml [2021-11-07 08:30:26,455 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 08:30:26,457 INFO L168 Benchmark]: Toolchain (without parser) took 2392.53 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 49.2 MB in the beginning and 71.3 MB in the end (delta: -22.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:30:26,458 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 86.0 MB. Free memory was 65.5 MB in the beginning and 65.4 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:30:26,458 INFO L168 Benchmark]: CACSL2BoogieTranslator took 328.60 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 49.1 MB in the beginning and 79.2 MB in the end (delta: -30.1 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-11-07 08:30:26,459 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.90 ms. Allocated memory is still 104.9 MB. Free memory was 79.2 MB in the beginning and 77.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 08:30:26,460 INFO L168 Benchmark]: Boogie Preprocessor took 32.86 ms. Allocated memory is still 104.9 MB. Free memory was 77.1 MB in the beginning and 75.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 08:30:26,460 INFO L168 Benchmark]: RCFGBuilder took 497.43 ms. Allocated memory is still 104.9 MB. Free memory was 75.6 MB in the beginning and 60.6 MB in the end (delta: 15.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-11-07 08:30:26,461 INFO L168 Benchmark]: BuchiAutomizer took 1439.52 ms. Allocated memory is still 104.9 MB. Free memory was 60.6 MB in the beginning and 72.7 MB in the end (delta: -12.1 MB). Peak memory consumption was 25.0 MB. Max. memory is 16.1 GB. [2021-11-07 08:30:26,461 INFO L168 Benchmark]: Witness Printer took 38.98 ms. Allocated memory is still 104.9 MB. Free memory was 72.7 MB in the beginning and 71.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 08:30:26,465 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 86.0 MB. Free memory was 65.5 MB in the beginning and 65.4 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 328.60 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 49.1 MB in the beginning and 79.2 MB in the end (delta: -30.1 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.90 ms. Allocated memory is still 104.9 MB. Free memory was 79.2 MB in the beginning and 77.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 32.86 ms. Allocated memory is still 104.9 MB. Free memory was 77.1 MB in the beginning and 75.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 497.43 ms. Allocated memory is still 104.9 MB. Free memory was 75.6 MB in the beginning and 60.6 MB in the end (delta: 15.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1439.52 ms. Allocated memory is still 104.9 MB. Free memory was 60.6 MB in the beginning and 72.7 MB in the end (delta: -12.1 MB). Peak memory consumption was 25.0 MB. Max. memory is 16.1 GB. * Witness Printer took 38.98 ms. Allocated memory is still 104.9 MB. Free memory was 72.7 MB in the beginning and 71.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 59 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 59 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 118 SDtfs, 4 SDslu, 84 SDs, 0 SdLazy, 31 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time 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: 24]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1734} State at position 1 is {NULL=1736, NULL=0, m_sign=4, \result=0, NULL=1734, m_update=6, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@80f3757=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@c851562=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1741a1ad=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7496f0ac=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@552c4e6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@d7f6fcb=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@45caddce=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a4af86c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@62fb1c61=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@21d8ef2b=0, NULL=1737, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3b8e7e74=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@785eea39=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6bb86420=0, NULL=0, NULL=0, NULL=0, NULL=1735, m_verify=5, m_initSign=1, m_initVerify=2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@148c36c2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7bbad30=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1aafac33=0, NULL=0, this_state=0, q=0, m_Signature=3, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@25bb0689=0, method_id=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@208da313=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5542bbe6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@fca5e53=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6863b5ad=0} - 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; [L17] int q = 0; [L18] int method_id; [L21] int 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! [2021-11-07 08:30:26,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c1b4e-f2d0-4582-b465-6d606a4f5a6a/bin/uautomizer-AkOaLMaTGY/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)