./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/bitvector/jain_4-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 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_b954b517-9d83-45db-8790-3983e79f6f91/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b954b517-9d83-45db-8790-3983e79f6f91/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b954b517-9d83-45db-8790-3983e79f6f91/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b954b517-9d83-45db-8790-3983e79f6f91/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/bitvector/jain_4-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b954b517-9d83-45db-8790-3983e79f6f91/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b954b517-9d83-45db-8790-3983e79f6f91/bin/uautomizer-uyxdKDjOR8 --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 1cbac86a7d2d3b0f5135f8cc4b9786f5bd2e458e412a649884fa942dedde8dfa --- 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-2329fc7 [2022-12-13 21:13:07,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:13:07,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:13:07,963 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:13:07,963 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:13:07,964 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:13:07,965 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:13:07,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:13:07,968 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:13:07,969 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:13:07,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:13:07,971 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:13:07,971 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:13:07,972 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:13:07,973 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:13:07,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:13:07,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:13:07,975 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:13:07,977 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:13:07,978 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:13:07,980 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:13:07,981 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:13:07,982 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:13:07,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:13:07,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:13:07,986 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:13:07,986 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:13:07,987 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:13:07,987 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:13:07,988 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:13:07,989 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:13:07,989 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:13:07,990 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:13:07,991 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:13:07,992 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:13:07,992 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:13:07,993 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:13:07,993 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:13:07,993 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:13:07,994 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:13:07,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:13:07,995 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b954b517-9d83-45db-8790-3983e79f6f91/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 21:13:08,022 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:13:08,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:13:08,022 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:13:08,022 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:13:08,023 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:13:08,024 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:13:08,024 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:13:08,024 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 21:13:08,024 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 21:13:08,025 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 21:13:08,025 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 21:13:08,025 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 21:13:08,025 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 21:13:08,025 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:13:08,026 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 21:13:08,026 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 21:13:08,026 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 21:13:08,026 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 21:13:08,026 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:13:08,026 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 21:13:08,027 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 21:13:08,027 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 21:13:08,027 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 21:13:08,027 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:13:08,027 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 21:13:08,028 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:13:08,028 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 21:13:08,028 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:13:08,028 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:13:08,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:13:08,029 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 21:13:08,029 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 21:13:08,030 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_b954b517-9d83-45db-8790-3983e79f6f91/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b954b517-9d83-45db-8790-3983e79f6f91/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cbac86a7d2d3b0f5135f8cc4b9786f5bd2e458e412a649884fa942dedde8dfa [2022-12-13 21:13:08,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:13:08,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:13:08,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:13:08,208 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:13:08,208 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:13:08,209 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b954b517-9d83-45db-8790-3983e79f6f91/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/bitvector/jain_4-2.c [2022-12-13 21:13:10,746 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:13:10,918 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:13:10,919 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b954b517-9d83-45db-8790-3983e79f6f91/sv-benchmarks/c/bitvector/jain_4-2.c [2022-12-13 21:13:10,923 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b954b517-9d83-45db-8790-3983e79f6f91/bin/uautomizer-uyxdKDjOR8/data/6aed12e6f/1d436f893c7444e4aaeb03f686e81231/FLAG7869f9cc0 [2022-12-13 21:13:11,320 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b954b517-9d83-45db-8790-3983e79f6f91/bin/uautomizer-uyxdKDjOR8/data/6aed12e6f/1d436f893c7444e4aaeb03f686e81231 [2022-12-13 21:13:11,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:13:11,323 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:13:11,324 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:13:11,324 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:13:11,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:13:11,327 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:13:11" (1/1) ... [2022-12-13 21:13:11,328 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45a76b4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:13:11, skipping insertion in model container [2022-12-13 21:13:11,328 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:13:11" (1/1) ... [2022-12-13 21:13:11,333 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:13:11,345 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:13:11,445 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_b954b517-9d83-45db-8790-3983e79f6f91/sv-benchmarks/c/bitvector/jain_4-2.c[675,688] [2022-12-13 21:13:11,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:13:11,459 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:13:11,467 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_b954b517-9d83-45db-8790-3983e79f6f91/sv-benchmarks/c/bitvector/jain_4-2.c[675,688] [2022-12-13 21:13:11,470 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:13:11,479 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:13:11,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:13:11 WrapperNode [2022-12-13 21:13:11,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:13:11,481 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:13:11,481 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:13:11,481 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:13:11,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:13:11" (1/1) ... [2022-12-13 21:13:11,491 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:13:11" (1/1) ... [2022-12-13 21:13:11,502 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2022-12-13 21:13:11,503 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:13:11,503 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:13:11,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:13:11,503 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:13:11,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:13:11" (1/1) ... [2022-12-13 21:13:11,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:13:11" (1/1) ... [2022-12-13 21:13:11,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:13:11" (1/1) ... [2022-12-13 21:13:11,511 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:13:11" (1/1) ... [2022-12-13 21:13:11,513 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:13:11" (1/1) ... [2022-12-13 21:13:11,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:13:11" (1/1) ... [2022-12-13 21:13:11,516 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:13:11" (1/1) ... [2022-12-13 21:13:11,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:13:11" (1/1) ... [2022-12-13 21:13:11,518 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:13:11,519 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:13:11,519 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:13:11,519 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:13:11,520 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:13:11" (1/1) ... [2022-12-13 21:13:11,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:13:11,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b954b517-9d83-45db-8790-3983e79f6f91/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:13:11,543 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b954b517-9d83-45db-8790-3983e79f6f91/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:13:11,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b954b517-9d83-45db-8790-3983e79f6f91/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 21:13:11,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:13:11,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:13:11,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:13:11,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 21:13:11,631 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:13:11,633 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:13:11,691 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:13:11,696 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:13:11,696 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 21:13:11,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:13:11 BoogieIcfgContainer [2022-12-13 21:13:11,698 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:13:11,698 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 21:13:11,698 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 21:13:11,701 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 21:13:11,701 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 21:13:11,701 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 09:13:11" (1/3) ... [2022-12-13 21:13:11,702 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2bd4965d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 09:13:11, skipping insertion in model container [2022-12-13 21:13:11,702 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 21:13:11,702 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:13:11" (2/3) ... [2022-12-13 21:13:11,702 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2bd4965d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 09:13:11, skipping insertion in model container [2022-12-13 21:13:11,703 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 21:13:11,703 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:13:11" (3/3) ... [2022-12-13 21:13:11,704 INFO L332 chiAutomizerObserver]: Analyzing ICFG jain_4-2.c [2022-12-13 21:13:11,746 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 21:13:11,747 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 21:13:11,747 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 21:13:11,747 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 21:13:11,747 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 21:13:11,747 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 21:13:11,747 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 21:13:11,747 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 21:13:11,750 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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) [2022-12-13 21:13:11,763 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-12-13 21:13:11,763 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 21:13:11,763 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 21:13:11,767 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 21:13:11,767 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 21:13:11,767 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 21:13:11,767 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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) [2022-12-13 21:13:11,768 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-12-13 21:13:11,768 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 21:13:11,768 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 21:13:11,768 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 21:13:11,769 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 21:13:11,774 INFO L748 eck$LassoCheckResult]: Stem: 5#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~x~0#1 := 0;main_~y~0#1 := 0;main_~z~0#1 := 0; 7#L28-2true [2022-12-13 21:13:11,774 INFO L750 eck$LassoCheckResult]: Loop: 7#L28-2true assume !false;main_~x~0#1 := main_~x~0#1 + 4 * main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~y~0#1 := main_~y~0#1 + 4 * main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~z~0#1 := main_~z~0#1 + 8 * main_#t~nondet6#1;havoc main_#t~nondet6#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 != (main_~x~0#1 + main_~y~0#1 + main_~z~0#1) % 4294967296 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 6#L15true assume !(0 == __VERIFIER_assert_~cond#1); 10#L15-2true assume { :end_inline___VERIFIER_assert } true; 7#L28-2true [2022-12-13 21:13:11,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:13:11,779 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-12-13 21:13:11,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:13:11,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814744061] [2022-12-13 21:13:11,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:13:11,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:13:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:13:11,857 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:13:11,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:13:11,877 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:13:11,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:13:11,879 INFO L85 PathProgramCache]: Analyzing trace with hash 40941, now seen corresponding path program 1 times [2022-12-13 21:13:11,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:13:11,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587597267] [2022-12-13 21:13:11,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:13:11,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:13:11,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:13:11,904 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:13:11,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:13:11,911 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:13:11,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:13:11,913 INFO L85 PathProgramCache]: Analyzing trace with hash 28699883, now seen corresponding path program 1 times [2022-12-13 21:13:11,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:13:11,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11080115] [2022-12-13 21:13:11,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:13:11,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:13:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:13:11,926 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:13:11,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:13:11,938 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:13:12,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:13:12,250 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:13:12,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:13:12,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 09:13:12 BoogieIcfgContainer [2022-12-13 21:13:12,275 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 21:13:12,276 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:13:12,276 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:13:12,276 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:13:12,276 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:13:11" (3/4) ... [2022-12-13 21:13:12,279 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 21:13:12,306 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b954b517-9d83-45db-8790-3983e79f6f91/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 21:13:12,307 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:13:12,308 INFO L158 Benchmark]: Toolchain (without parser) took 984.33ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 87.8MB in the beginning and 93.2MB in the end (delta: -5.4MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2022-12-13 21:13:12,308 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 121.6MB. Free memory is still 92.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:13:12,309 INFO L158 Benchmark]: CACSL2BoogieTranslator took 156.52ms. Allocated memory is still 121.6MB. Free memory was 87.5MB in the beginning and 77.7MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 21:13:12,309 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.96ms. Allocated memory is still 121.6MB. Free memory was 77.7MB in the beginning and 76.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:13:12,310 INFO L158 Benchmark]: Boogie Preprocessor took 14.85ms. Allocated memory is still 121.6MB. Free memory was 76.1MB in the beginning and 75.2MB in the end (delta: 855.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:13:12,310 INFO L158 Benchmark]: RCFGBuilder took 178.99ms. Allocated memory is still 121.6MB. Free memory was 75.2MB in the beginning and 66.3MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 21:13:12,311 INFO L158 Benchmark]: BuchiAutomizer took 577.08ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 66.3MB in the beginning and 94.8MB in the end (delta: -28.5MB). Peak memory consumption was 355.1kB. Max. memory is 16.1GB. [2022-12-13 21:13:12,311 INFO L158 Benchmark]: Witness Printer took 30.88ms. Allocated memory is still 146.8MB. Free memory was 94.8MB in the beginning and 93.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:13:12,314 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 121.6MB. Free memory is still 92.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 156.52ms. Allocated memory is still 121.6MB. Free memory was 87.5MB in the beginning and 77.7MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.96ms. Allocated memory is still 121.6MB. Free memory was 77.7MB in the beginning and 76.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 14.85ms. Allocated memory is still 121.6MB. Free memory was 76.1MB in the beginning and 75.2MB in the end (delta: 855.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 178.99ms. Allocated memory is still 121.6MB. Free memory was 75.2MB in the beginning and 66.3MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 577.08ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 66.3MB in the beginning and 94.8MB in the end (delta: -28.5MB). Peak memory consumption was 355.1kB. Max. memory is 16.1GB. * Witness Printer took 30.88ms. Allocated memory is still 146.8MB. Free memory was 94.8MB in the beginning and 93.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.5s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. 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: LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 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: 1]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L22] unsigned int x,y,z; [L24] x=0U [L25] y=0U [L26] z=0U VAL [x=0, y=0, z=0] Loop: [L28] COND TRUE 1 [L30] x = x +4U*__VERIFIER_nondet_uint() [L31] y = y +4U*__VERIFIER_nondet_uint() [L32] z = z +8U*__VERIFIER_nondet_uint() [L34] CALL __VERIFIER_assert(x+y+z!=1U) [L15] COND FALSE !(!(cond)) [L34] RET __VERIFIER_assert(x+y+z!=1U) End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L22] unsigned int x,y,z; [L24] x=0U [L25] y=0U [L26] z=0U VAL [x=0, y=0, z=0] Loop: [L28] COND TRUE 1 [L30] x = x +4U*__VERIFIER_nondet_uint() [L31] y = y +4U*__VERIFIER_nondet_uint() [L32] z = z +8U*__VERIFIER_nondet_uint() [L34] CALL __VERIFIER_assert(x+y+z!=1U) [L15] COND FALSE !(!(cond)) [L34] RET __VERIFIER_assert(x+y+z!=1U) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 21:13:12,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b954b517-9d83-45db-8790-3983e79f6f91/bin/uautomizer-uyxdKDjOR8/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)