./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/bitvector/jain_2-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f086b0-2a84-45e2-a424-f5852a36feca/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f086b0-2a84-45e2-a424-f5852a36feca/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f086b0-2a84-45e2-a424-f5852a36feca/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f086b0-2a84-45e2-a424-f5852a36feca/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/bitvector/jain_2-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f086b0-2a84-45e2-a424-f5852a36feca/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f086b0-2a84-45e2-a424-f5852a36feca/bin/uautomizer-TMbwUNV5ro --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 92241f3227c0a2a678e533c7e4602bca2cd56efbb9188155527144a0988b4416 --- 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-8393723 [2022-11-18 19:38:15,313 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:38:15,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:38:15,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:38:15,337 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:38:15,338 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:38:15,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:38:15,342 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:38:15,344 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:38:15,345 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:38:15,346 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:38:15,348 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:38:15,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:38:15,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:38:15,351 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:38:15,352 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:38:15,353 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:38:15,355 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:38:15,357 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:38:15,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:38:15,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:38:15,363 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:38:15,364 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:38:15,365 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:38:15,369 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:38:15,370 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:38:15,371 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:38:15,372 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:38:15,372 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:38:15,374 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:38:15,374 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:38:15,375 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:38:15,376 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:38:15,377 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:38:15,379 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:38:15,379 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:38:15,380 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:38:15,381 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:38:15,381 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:38:15,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:38:15,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:38:15,393 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f086b0-2a84-45e2-a424-f5852a36feca/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-18 19:38:15,427 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:38:15,433 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:38:15,434 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:38:15,434 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:38:15,436 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:38:15,436 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:38:15,436 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:38:15,436 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 19:38:15,437 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 19:38:15,437 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 19:38:15,438 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 19:38:15,438 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 19:38:15,438 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 19:38:15,439 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:38:15,439 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 19:38:15,439 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 19:38:15,439 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:38:15,439 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 19:38:15,440 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:38:15,440 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 19:38:15,440 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 19:38:15,440 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 19:38:15,440 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 19:38:15,442 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:38:15,442 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 19:38:15,442 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:38:15,443 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 19:38:15,443 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:38:15,443 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:38:15,443 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:38:15,444 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:38:15,445 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 19:38:15,446 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_24f086b0-2a84-45e2-a424-f5852a36feca/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f086b0-2a84-45e2-a424-f5852a36feca/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92241f3227c0a2a678e533c7e4602bca2cd56efbb9188155527144a0988b4416 [2022-11-18 19:38:15,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:38:15,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:38:15,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:38:15,745 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:38:15,746 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:38:15,747 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f086b0-2a84-45e2-a424-f5852a36feca/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/bitvector/jain_2-1.c [2022-11-18 19:38:15,834 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f086b0-2a84-45e2-a424-f5852a36feca/bin/uautomizer-TMbwUNV5ro/data/a73db9239/73b366fa10084706977e89fc35faeaee/FLAG886ef1d33 [2022-11-18 19:38:16,358 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:38:16,358 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f086b0-2a84-45e2-a424-f5852a36feca/sv-benchmarks/c/bitvector/jain_2-1.c [2022-11-18 19:38:16,365 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f086b0-2a84-45e2-a424-f5852a36feca/bin/uautomizer-TMbwUNV5ro/data/a73db9239/73b366fa10084706977e89fc35faeaee/FLAG886ef1d33 [2022-11-18 19:38:16,726 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f086b0-2a84-45e2-a424-f5852a36feca/bin/uautomizer-TMbwUNV5ro/data/a73db9239/73b366fa10084706977e89fc35faeaee [2022-11-18 19:38:16,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:38:16,730 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:38:16,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:38:16,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:38:16,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:38:16,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:38:16" (1/1) ... [2022-11-18 19:38:16,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59ea5faa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:38:16, skipping insertion in model container [2022-11-18 19:38:16,740 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:38:16" (1/1) ... [2022-11-18 19:38:16,748 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:38:16,761 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:38:16,947 WARN L234 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_24f086b0-2a84-45e2-a424-f5852a36feca/sv-benchmarks/c/bitvector/jain_2-1.c[675,688] [2022-11-18 19:38:16,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:38:16,966 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:38:16,979 WARN L234 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_24f086b0-2a84-45e2-a424-f5852a36feca/sv-benchmarks/c/bitvector/jain_2-1.c[675,688] [2022-11-18 19:38:16,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:38:16,995 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:38:16,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:38:16 WrapperNode [2022-11-18 19:38:16,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:38:16,997 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:38:16,997 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:38:16,997 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:38:17,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:38:16" (1/1) ... [2022-11-18 19:38:17,011 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:38:16" (1/1) ... [2022-11-18 19:38:17,028 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 31 [2022-11-18 19:38:17,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:38:17,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:38:17,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:38:17,030 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:38:17,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:38:16" (1/1) ... [2022-11-18 19:38:17,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:38:16" (1/1) ... [2022-11-18 19:38:17,040 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:38:16" (1/1) ... [2022-11-18 19:38:17,040 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:38:16" (1/1) ... [2022-11-18 19:38:17,042 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:38:16" (1/1) ... [2022-11-18 19:38:17,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:38:16" (1/1) ... [2022-11-18 19:38:17,047 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:38:16" (1/1) ... [2022-11-18 19:38:17,047 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:38:16" (1/1) ... [2022-11-18 19:38:17,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:38:17,050 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:38:17,050 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:38:17,050 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:38:17,051 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:38:16" (1/1) ... [2022-11-18 19:38:17,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:38:17,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f086b0-2a84-45e2-a424-f5852a36feca/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:38:17,082 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f086b0-2a84-45e2-a424-f5852a36feca/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:38:17,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f086b0-2a84-45e2-a424-f5852a36feca/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 19:38:17,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:38:17,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:38:17,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:38:17,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 19:38:17,189 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:38:17,190 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:38:17,270 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:38:17,276 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:38:17,276 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 19:38:17,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:38:17 BoogieIcfgContainer [2022-11-18 19:38:17,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:38:17,280 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 19:38:17,280 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 19:38:17,284 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 19:38:17,285 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 19:38:17,285 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 07:38:16" (1/3) ... [2022-11-18 19:38:17,286 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4df55707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 07:38:17, skipping insertion in model container [2022-11-18 19:38:17,287 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 19:38:17,287 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:38:16" (2/3) ... [2022-11-18 19:38:17,287 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4df55707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 07:38:17, skipping insertion in model container [2022-11-18 19:38:17,287 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 19:38:17,287 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:38:17" (3/3) ... [2022-11-18 19:38:17,289 INFO L332 chiAutomizerObserver]: Analyzing ICFG jain_2-1.c [2022-11-18 19:38:17,356 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 19:38:17,357 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 19:38:17,357 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 19:38:17,357 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 19:38:17,357 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 19:38:17,357 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 19:38:17,357 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 19:38:17,358 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 19:38:17,362 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) [2022-11-18 19:38:17,381 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-18 19:38:17,381 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:38:17,381 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:38:17,387 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-18 19:38:17,387 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 19:38:17,388 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 19:38:17,388 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) [2022-11-18 19:38:17,389 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-18 19:38:17,389 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:38:17,389 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:38:17,390 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-18 19:38:17,390 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 19:38:17,398 INFO L748 eck$LassoCheckResult]: Stem: 4#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(11, 2);call #Ultimate.allocInit(12, 3); 7#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_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := 1;main_~y~0#1 := 1; 8#L27-2true [2022-11-18 19:38:17,399 INFO L750 eck$LassoCheckResult]: Loop: 8#L27-2true assume !false;main_~x~0#1 := main_~x~0#1 + 2 * main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~y~0#1 := main_~y~0#1 + 2 * main_#t~nondet5#1;havoc main_#t~nondet5#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 != (main_~x~0#1 + main_~y~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); 9#L15-2true assume { :end_inline___VERIFIER_assert } true; 8#L27-2true [2022-11-18 19:38:17,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:38:17,407 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-18 19:38:17,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:38:17,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140702315] [2022-11-18 19:38:17,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:38:17,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:38:17,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:38:17,518 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:38:17,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:38:17,545 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:38:17,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:38:17,549 INFO L85 PathProgramCache]: Analyzing trace with hash 40941, now seen corresponding path program 1 times [2022-11-18 19:38:17,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:38:17,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717976956] [2022-11-18 19:38:17,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:38:17,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:38:17,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:38:17,578 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:38:17,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:38:17,598 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:38:17,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:38:17,604 INFO L85 PathProgramCache]: Analyzing trace with hash 28699883, now seen corresponding path program 1 times [2022-11-18 19:38:17,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:38:17,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213734050] [2022-11-18 19:38:17,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:38:17,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:38:17,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:38:17,657 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:38:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:38:17,704 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:38:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:38:18,206 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:38:18,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:38:18,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 07:38:18 BoogieIcfgContainer [2022-11-18 19:38:18,255 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-18 19:38:18,257 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 19:38:18,257 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 19:38:18,257 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 19:38:18,258 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:38:17" (3/4) ... [2022-11-18 19:38:18,260 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-18 19:38:18,300 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f086b0-2a84-45e2-a424-f5852a36feca/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 19:38:18,300 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 19:38:18,302 INFO L158 Benchmark]: Toolchain (without parser) took 1571.36ms. Allocated memory is still 138.4MB. Free memory was 106.4MB in the beginning and 111.5MB in the end (delta: -5.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:38:18,303 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:38:18,309 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.49ms. Allocated memory is still 138.4MB. Free memory was 106.2MB in the beginning and 114.9MB in the end (delta: -8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 19:38:18,309 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.90ms. Allocated memory is still 138.4MB. Free memory was 114.9MB in the beginning and 113.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 19:38:18,310 INFO L158 Benchmark]: Boogie Preprocessor took 19.83ms. Allocated memory is still 138.4MB. Free memory was 113.4MB in the beginning and 112.5MB in the end (delta: 862.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:38:18,311 INFO L158 Benchmark]: RCFGBuilder took 229.04ms. Allocated memory is still 138.4MB. Free memory was 112.1MB in the beginning and 103.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 19:38:18,311 INFO L158 Benchmark]: BuchiAutomizer took 975.92ms. Allocated memory is still 138.4MB. Free memory was 103.3MB in the beginning and 113.5MB in the end (delta: -10.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:38:18,311 INFO L158 Benchmark]: Witness Printer took 43.58ms. Allocated memory is still 138.4MB. Free memory was 112.8MB in the beginning and 111.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 19:38:18,314 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.49ms. Allocated memory is still 138.4MB. Free memory was 106.2MB in the beginning and 114.9MB in the end (delta: -8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.90ms. Allocated memory is still 138.4MB. Free memory was 114.9MB in the beginning and 113.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.83ms. Allocated memory is still 138.4MB. Free memory was 113.4MB in the beginning and 112.5MB in the end (delta: 862.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 229.04ms. Allocated memory is still 138.4MB. Free memory was 112.1MB in the beginning and 103.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 975.92ms. Allocated memory is still 138.4MB. Free memory was 103.3MB in the beginning and 113.5MB in the end (delta: -10.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 43.58ms. Allocated memory is still 138.4MB. Free memory was 112.8MB in the beginning and 111.5MB in the end (delta: 1.4MB). 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 Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.8s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. 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; [L24] x = 1U [L25] y = 1U VAL [x=1, y=1] Loop: [L27] COND TRUE 1 [L29] x = x +2U*__VERIFIER_nondet_uint() [L30] y = y +2U*__VERIFIER_nondet_uint() [L33] CALL __VERIFIER_assert(x+y!=1U) [L15] COND FALSE !(!(cond)) [L33] RET __VERIFIER_assert(x+y!=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; [L24] x = 1U [L25] y = 1U VAL [x=1, y=1] Loop: [L27] COND TRUE 1 [L29] x = x +2U*__VERIFIER_nondet_uint() [L30] y = y +2U*__VERIFIER_nondet_uint() [L33] CALL __VERIFIER_assert(x+y!=1U) [L15] COND FALSE !(!(cond)) [L33] RET __VERIFIER_assert(x+y!=1U) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-18 19:38:18,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f086b0-2a84-45e2-a424-f5852a36feca/bin/uautomizer-TMbwUNV5ro/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)