./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 b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acd9d85-3614-43b0-ba41-e71b7a1ae711/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acd9d85-3614-43b0-ba41-e71b7a1ae711/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acd9d85-3614-43b0-ba41-e71b7a1ae711/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acd9d85-3614-43b0-ba41-e71b7a1ae711/bin/uautomizer-vX5HgA9Q3a/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/psyco/psyco_security.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acd9d85-3614-43b0-ba41-e71b7a1ae711/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acd9d85-3614-43b0-ba41-e71b7a1ae711/bin/uautomizer-vX5HgA9Q3a --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-b5237d8 [2022-11-21 16:14:22,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:14:22,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:14:22,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:14:22,357 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:14:22,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:14:22,359 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:14:22,360 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:14:22,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:14:22,363 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:14:22,364 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:14:22,365 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:14:22,365 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:14:22,366 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:14:22,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:14:22,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:14:22,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:14:22,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:14:22,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:14:22,375 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:14:22,376 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:14:22,378 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:14:22,379 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:14:22,380 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:14:22,384 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:14:22,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:14:22,385 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:14:22,386 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:14:22,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:14:22,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:14:22,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:14:22,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:14:22,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:14:22,391 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:14:22,392 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:14:22,392 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:14:22,393 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:14:22,393 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:14:22,394 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:14:22,395 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:14:22,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:14:22,397 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acd9d85-3614-43b0-ba41-e71b7a1ae711/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-21 16:14:22,420 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:14:22,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:14:22,421 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:14:22,422 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:14:22,423 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:14:22,423 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:14:22,423 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:14:22,424 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-21 16:14:22,424 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-21 16:14:22,424 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-21 16:14:22,424 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-21 16:14:22,425 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-21 16:14:22,425 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-21 16:14:22,425 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:14:22,425 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:14:22,426 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:14:22,426 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:14:22,426 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:14:22,426 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:14:22,427 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-21 16:14:22,427 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-21 16:14:22,427 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-21 16:14:22,427 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:14:22,428 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:14:22,428 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-21 16:14:22,428 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:14:22,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-21 16:14:22,429 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:14:22,429 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:14:22,429 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:14:22,430 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:14:22,431 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-21 16:14:22,431 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_4acd9d85-3614-43b0-ba41-e71b7a1ae711/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acd9d85-3614-43b0-ba41-e71b7a1ae711/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c03d27deb00d6c25e1f99c43455f6da27475e88a721be2a7236bfffedf5da1e8 [2022-11-21 16:14:22,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:14:22,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:14:22,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:14:22,761 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:14:22,762 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:14:22,764 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acd9d85-3614-43b0-ba41-e71b7a1ae711/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/psyco/psyco_security.c [2022-11-21 16:14:26,140 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:14:26,361 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:14:26,373 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acd9d85-3614-43b0-ba41-e71b7a1ae711/sv-benchmarks/c/psyco/psyco_security.c [2022-11-21 16:14:26,389 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acd9d85-3614-43b0-ba41-e71b7a1ae711/bin/uautomizer-vX5HgA9Q3a/data/67e1b497e/364e024a32754307a2b0dc41b3c3f0f4/FLAG6b3d99390 [2022-11-21 16:14:26,413 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acd9d85-3614-43b0-ba41-e71b7a1ae711/bin/uautomizer-vX5HgA9Q3a/data/67e1b497e/364e024a32754307a2b0dc41b3c3f0f4 [2022-11-21 16:14:26,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:14:26,421 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:14:26,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:14:26,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:14:26,430 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:14:26,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:14:26" (1/1) ... [2022-11-21 16:14:26,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d8c3e48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:26, skipping insertion in model container [2022-11-21 16:14:26,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:14:26" (1/1) ... [2022-11-21 16:14:26,439 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:14:26,478 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:14:26,705 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_4acd9d85-3614-43b0-ba41-e71b7a1ae711/sv-benchmarks/c/psyco/psyco_security.c[12744,12757] [2022-11-21 16:14:26,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:14:26,730 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:14:26,801 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_4acd9d85-3614-43b0-ba41-e71b7a1ae711/sv-benchmarks/c/psyco/psyco_security.c[12744,12757] [2022-11-21 16:14:26,816 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:14:26,832 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:14:26,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:26 WrapperNode [2022-11-21 16:14:26,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:14:26,836 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:14:26,836 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:14:26,837 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:14:26,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:26" (1/1) ... [2022-11-21 16:14:26,862 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:26" (1/1) ... [2022-11-21 16:14:26,906 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 248 [2022-11-21 16:14:26,906 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:14:26,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:14:26,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:14:26,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:14:26,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:26" (1/1) ... [2022-11-21 16:14:26,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:26" (1/1) ... [2022-11-21 16:14:26,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:26" (1/1) ... [2022-11-21 16:14:26,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:26" (1/1) ... [2022-11-21 16:14:26,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:26" (1/1) ... [2022-11-21 16:14:26,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:26" (1/1) ... [2022-11-21 16:14:26,941 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:26" (1/1) ... [2022-11-21 16:14:26,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:26" (1/1) ... [2022-11-21 16:14:26,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:14:26,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:14:26,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:14:26,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:14:26,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:26" (1/1) ... [2022-11-21 16:14:26,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:14:26,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acd9d85-3614-43b0-ba41-e71b7a1ae711/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:14:26,999 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acd9d85-3614-43b0-ba41-e71b7a1ae711/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:14:27,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acd9d85-3614-43b0-ba41-e71b7a1ae711/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-21 16:14:27,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:14:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:14:27,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:14:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:14:27,128 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:14:27,131 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:14:27,511 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:14:27,519 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:14:27,520 INFO L300 CfgBuilder]: Removed 18 assume(true) statements. [2022-11-21 16:14:27,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:14:27 BoogieIcfgContainer [2022-11-21 16:14:27,523 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:14:27,524 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-21 16:14:27,524 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-21 16:14:27,529 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-21 16:14:27,530 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 16:14:27,530 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 04:14:26" (1/3) ... [2022-11-21 16:14:27,532 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7d12a8c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 04:14:27, skipping insertion in model container [2022-11-21 16:14:27,532 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 16:14:27,532 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:26" (2/3) ... [2022-11-21 16:14:27,533 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7d12a8c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 04:14:27, skipping insertion in model container [2022-11-21 16:14:27,533 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 16:14:27,533 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:14:27" (3/3) ... [2022-11-21 16:14:27,535 INFO L332 chiAutomizerObserver]: Analyzing ICFG psyco_security.c [2022-11-21 16:14:27,646 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-21 16:14:27,646 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-21 16:14:27,646 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-21 16:14:27,647 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-21 16:14:27,647 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-21 16:14:27,647 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-21 16:14:27,648 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-21 16:14:27,648 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-21 16:14:27,672 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) [2022-11-21 16:14:27,715 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 62 [2022-11-21 16:14:27,722 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:14:27,722 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:14:27,738 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-21 16:14:27,739 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:14:27,740 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-21 16:14:27,742 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) [2022-11-21 16:14:27,748 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 62 [2022-11-21 16:14:27,752 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:14:27,753 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:14:27,754 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-21 16:14:27,755 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:14:27,765 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 [2022-11-21 16:14:27,767 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 [2022-11-21 16:14:27,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:14:27,783 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-21 16:14:27,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:14:27,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708016976] [2022-11-21 16:14:27,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:14:27,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:14:27,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:14:27,946 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:14:27,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:14:28,037 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:14:28,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:14:28,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1175019824, now seen corresponding path program 1 times [2022-11-21 16:14:28,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:14:28,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039089848] [2022-11-21 16:14:28,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:14:28,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:14:28,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:14:28,053 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:14:28,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:14:28,058 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:14:28,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:14:28,079 INFO L85 PathProgramCache]: Analyzing trace with hash 371277006, now seen corresponding path program 1 times [2022-11-21 16:14:28,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:14:28,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774527708] [2022-11-21 16:14:28,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:14:28,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:14:28,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:14:28,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:14:28,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:14:28,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774527708] [2022-11-21 16:14:28,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774527708] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:14:28,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:14:28,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:14:28,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25380737] [2022-11-21 16:14:28,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:14:28,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:14:28,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:14:28,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:14:28,308 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) [2022-11-21 16:14:28,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:14:28,379 INFO L93 Difference]: Finished difference Result 80 states and 122 transitions. [2022-11-21 16:14:28,381 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 80 states and 122 transitions. [2022-11-21 16:14:28,384 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 56 [2022-11-21 16:14:28,389 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 80 states to 59 states and 81 transitions. [2022-11-21 16:14:28,390 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 59 [2022-11-21 16:14:28,391 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 59 [2022-11-21 16:14:28,391 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 81 transitions. [2022-11-21 16:14:28,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:14:28,392 INFO L218 hiAutomatonCegarLoop]: Abstraction has 59 states and 81 transitions. [2022-11-21 16:14:28,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 81 transitions. [2022-11-21 16:14:28,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-11-21 16:14:28,431 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) [2022-11-21 16:14:28,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2022-11-21 16:14:28,442 INFO L240 hiAutomatonCegarLoop]: Abstraction has 59 states and 81 transitions. [2022-11-21 16:14:28,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:14:28,452 INFO L428 stractBuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2022-11-21 16:14:28,459 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-21 16:14:28,460 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 59 states and 81 transitions. [2022-11-21 16:14:28,461 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 56 [2022-11-21 16:14:28,461 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:14:28,465 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:14:28,465 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-21 16:14:28,466 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-21 16:14:28,466 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 [2022-11-21 16:14:28,466 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 [2022-11-21 16:14:28,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:14:28,467 INFO L85 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times [2022-11-21 16:14:28,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:14:28,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572780391] [2022-11-21 16:14:28,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:14:28,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:14:28,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:14:28,485 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:14:28,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:14:28,500 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:14:28,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:14:28,505 INFO L85 PathProgramCache]: Analyzing trace with hash 40826, now seen corresponding path program 1 times [2022-11-21 16:14:28,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:14:28,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2992075] [2022-11-21 16:14:28,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:14:28,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:14:28,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:14:28,513 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:14:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:14:28,523 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:14:28,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:14:28,524 INFO L85 PathProgramCache]: Analyzing trace with hash 889540504, now seen corresponding path program 1 times [2022-11-21 16:14:28,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:14:28,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884446230] [2022-11-21 16:14:28,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:14:28,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:14:28,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:14:28,534 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:14:28,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:14:28,543 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:14:28,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:14:28,776 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:14:28,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:14:28,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 04:14:28 BoogieIcfgContainer [2022-11-21 16:14:28,818 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-21 16:14:28,819 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:14:28,819 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:14:28,819 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:14:28,820 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:14:27" (3/4) ... [2022-11-21 16:14:28,822 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-21 16:14:28,857 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acd9d85-3614-43b0-ba41-e71b7a1ae711/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 16:14:28,858 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:14:28,859 INFO L158 Benchmark]: Toolchain (without parser) took 2437.24ms. Allocated memory was 138.4MB in the beginning and 188.7MB in the end (delta: 50.3MB). Free memory was 97.8MB in the beginning and 123.4MB in the end (delta: -25.6MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2022-11-21 16:14:28,859 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 138.4MB. Free memory is still 110.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:14:28,860 INFO L158 Benchmark]: CACSL2BoogieTranslator took 410.28ms. Allocated memory is still 138.4MB. Free memory was 97.3MB in the beginning and 85.4MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 16:14:28,860 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.47ms. Allocated memory is still 138.4MB. Free memory was 85.4MB in the beginning and 83.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:14:28,861 INFO L158 Benchmark]: Boogie Preprocessor took 35.46ms. Allocated memory is still 138.4MB. Free memory was 83.3MB in the beginning and 81.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:14:28,861 INFO L158 Benchmark]: RCFGBuilder took 576.02ms. Allocated memory is still 138.4MB. Free memory was 81.7MB in the beginning and 65.4MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 16:14:28,862 INFO L158 Benchmark]: BuchiAutomizer took 1294.09ms. Allocated memory was 138.4MB in the beginning and 188.7MB in the end (delta: 50.3MB). Free memory was 64.9MB in the beginning and 124.5MB in the end (delta: -59.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:14:28,863 INFO L158 Benchmark]: Witness Printer took 39.21ms. Allocated memory is still 188.7MB. Free memory was 124.5MB in the beginning and 123.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:14:28,866 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 138.4MB. Free memory is still 110.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 410.28ms. Allocated memory is still 138.4MB. Free memory was 97.3MB in the beginning and 85.4MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.47ms. Allocated memory is still 138.4MB. Free memory was 85.4MB in the beginning and 83.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.46ms. Allocated memory is still 138.4MB. Free memory was 83.3MB in the beginning and 81.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 576.02ms. Allocated memory is still 138.4MB. Free memory was 81.7MB in the beginning and 65.4MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 1294.09ms. Allocated memory was 138.4MB in the beginning and 188.7MB in the end (delta: 50.3MB). Free memory was 64.9MB in the beginning and 124.5MB in the end (delta: -59.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 39.21ms. Allocated memory is still 188.7MB. Free memory was 124.5MB in the beginning and 123.4MB in the end (delta: 1.1MB). 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 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. 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, 0.0s 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! [2022-11-21 16:14:28,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acd9d85-3614-43b0-ba41-e71b7a1ae711/bin/uautomizer-vX5HgA9Q3a/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)