./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 f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71187c8-9458-48c0-b90c-ff75d8d2aa78/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71187c8-9458-48c0-b90c-ff75d8d2aa78/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71187c8-9458-48c0-b90c-ff75d8d2aa78/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71187c8-9458-48c0-b90c-ff75d8d2aa78/bin/uautomizer-IVEQpCNsaX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/bitvector/jain_2-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71187c8-9458-48c0-b90c-ff75d8d2aa78/bin/uautomizer-IVEQpCNsaX/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71187c8-9458-48c0-b90c-ff75d8d2aa78/bin/uautomizer-IVEQpCNsaX --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 --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 10:50:48,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 10:50:48,777 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 10:50:48,841 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 10:50:48,841 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 10:50:48,847 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 10:50:48,849 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 10:50:48,854 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 10:50:48,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 10:50:48,864 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 10:50:48,865 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 10:50:48,868 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 10:50:48,868 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 10:50:48,871 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 10:50:48,874 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 10:50:48,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 10:50:48,882 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 10:50:48,883 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 10:50:48,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 10:50:48,896 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 10:50:48,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 10:50:48,901 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 10:50:48,904 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 10:50:48,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 10:50:48,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 10:50:48,913 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 10:50:48,913 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 10:50:48,914 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 10:50:48,915 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 10:50:48,916 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 10:50:48,916 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 10:50:48,917 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 10:50:48,918 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 10:50:48,919 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 10:50:48,920 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 10:50:48,920 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 10:50:48,921 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 10:50:48,922 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 10:50:48,922 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 10:50:48,923 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 10:50:48,924 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 10:50:48,925 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71187c8-9458-48c0-b90c-ff75d8d2aa78/bin/uautomizer-IVEQpCNsaX/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-09 10:50:48,956 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 10:50:48,958 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 10:50:48,959 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 10:50:48,959 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 10:50:48,961 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 10:50:48,961 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 10:50:48,962 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 10:50:48,962 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-09 10:50:48,962 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-09 10:50:48,963 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-09 10:50:48,964 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-09 10:50:48,964 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-09 10:50:48,964 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-09 10:50:48,965 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 10:50:48,965 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 10:50:48,965 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-09 10:50:48,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 10:50:48,966 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 10:50:48,966 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 10:50:48,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-09 10:50:48,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-09 10:50:48,967 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-09 10:50:48,967 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 10:50:48,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 10:50:48,967 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-09 10:50:48,968 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 10:50:48,969 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-09 10:50:48,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 10:50:48,970 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 10:50:48,970 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 10:50:48,971 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 10:50:48,971 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 10:50:48,973 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-09 10:50:48,973 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_a71187c8-9458-48c0-b90c-ff75d8d2aa78/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71187c8-9458-48c0-b90c-ff75d8d2aa78/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92241f3227c0a2a678e533c7e4602bca2cd56efbb9188155527144a0988b4416 [2021-11-09 10:50:49,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 10:50:49,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 10:50:49,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 10:50:49,292 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 10:50:49,293 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 10:50:49,294 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71187c8-9458-48c0-b90c-ff75d8d2aa78/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/bitvector/jain_2-1.c [2021-11-09 10:50:49,377 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71187c8-9458-48c0-b90c-ff75d8d2aa78/bin/uautomizer-IVEQpCNsaX/data/db8f28353/3e29b1b341e54593af990997db044199/FLAGe0bbe1320 [2021-11-09 10:50:49,921 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 10:50:49,922 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71187c8-9458-48c0-b90c-ff75d8d2aa78/sv-benchmarks/c/bitvector/jain_2-1.c [2021-11-09 10:50:49,934 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71187c8-9458-48c0-b90c-ff75d8d2aa78/bin/uautomizer-IVEQpCNsaX/data/db8f28353/3e29b1b341e54593af990997db044199/FLAGe0bbe1320 [2021-11-09 10:50:50,297 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71187c8-9458-48c0-b90c-ff75d8d2aa78/bin/uautomizer-IVEQpCNsaX/data/db8f28353/3e29b1b341e54593af990997db044199 [2021-11-09 10:50:50,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 10:50:50,302 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 10:50:50,308 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 10:50:50,308 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 10:50:50,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 10:50:50,314 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:50:50" (1/1) ... [2021-11-09 10:50:50,315 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65e7180e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:50:50, skipping insertion in model container [2021-11-09 10:50:50,316 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:50:50" (1/1) ... [2021-11-09 10:50:50,323 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 10:50:50,339 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 10:50:50,566 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71187c8-9458-48c0-b90c-ff75d8d2aa78/sv-benchmarks/c/bitvector/jain_2-1.c[675,688] [2021-11-09 10:50:50,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 10:50:50,583 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 10:50:50,595 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71187c8-9458-48c0-b90c-ff75d8d2aa78/sv-benchmarks/c/bitvector/jain_2-1.c[675,688] [2021-11-09 10:50:50,598 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 10:50:50,613 INFO L208 MainTranslator]: Completed translation [2021-11-09 10:50:50,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:50:50 WrapperNode [2021-11-09 10:50:50,614 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 10:50:50,615 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 10:50:50,615 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 10:50:50,615 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 10:50:50,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:50:50" (1/1) ... [2021-11-09 10:50:50,630 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:50:50" (1/1) ... [2021-11-09 10:50:50,648 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 10:50:50,649 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 10:50:50,649 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 10:50:50,650 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 10:50:50,658 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:50:50" (1/1) ... [2021-11-09 10:50:50,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:50:50" (1/1) ... [2021-11-09 10:50:50,660 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:50:50" (1/1) ... [2021-11-09 10:50:50,660 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:50:50" (1/1) ... [2021-11-09 10:50:50,663 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:50:50" (1/1) ... [2021-11-09 10:50:50,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:50:50" (1/1) ... [2021-11-09 10:50:50,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:50:50" (1/1) ... [2021-11-09 10:50:50,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 10:50:50,670 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 10:50:50,671 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 10:50:50,671 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 10:50:50,672 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:50:50" (1/1) ... [2021-11-09 10:50:50,680 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 10:50:50,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71187c8-9458-48c0-b90c-ff75d8d2aa78/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:50:50,708 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71187c8-9458-48c0-b90c-ff75d8d2aa78/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 10:50:50,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71187c8-9458-48c0-b90c-ff75d8d2aa78/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-09 10:50:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 10:50:50,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 10:50:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-09 10:50:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 10:50:50,952 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 10:50:50,952 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-09 10:50:50,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:50:50 BoogieIcfgContainer [2021-11-09 10:50:50,955 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 10:50:50,956 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-09 10:50:50,956 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-09 10:50:50,960 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-09 10:50:50,961 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 10:50:50,961 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 10:50:50" (1/3) ... [2021-11-09 10:50:50,963 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@794272bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 10:50:50, skipping insertion in model container [2021-11-09 10:50:50,963 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 10:50:50,963 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:50:50" (2/3) ... [2021-11-09 10:50:50,964 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@794272bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 10:50:50, skipping insertion in model container [2021-11-09 10:50:50,964 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 10:50:50,964 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:50:50" (3/3) ... [2021-11-09 10:50:50,965 INFO L389 chiAutomizerObserver]: Analyzing ICFG jain_2-1.c [2021-11-09 10:50:51,023 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-09 10:50:51,023 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-09 10:50:51,024 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-09 10:50:51,024 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-09 10:50:51,024 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-09 10:50:51,024 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-09 10:50:51,024 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-09 10:50:51,024 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-09 10:50:51,041 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:50:51,063 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-09 10:50:51,064 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 10:50:51,064 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 10:50:51,070 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-09 10:50:51,070 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-09 10:50:51,070 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-09 10:50:51,071 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:50:51,073 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-09 10:50:51,073 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 10:50:51,073 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 10:50:51,074 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-09 10:50:51,074 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-09 10:50:51,081 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 7#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := 1;main_~y~0 := 1; 9#L15-2true [2021-11-09 10:50:51,081 INFO L793 eck$LassoCheckResult]: Loop: 9#L15-2true assume !false;main_~x~0 := main_~x~0 + 2 * main_#t~nondet7;havoc main_#t~nondet7;main_~y~0 := main_~y~0 + 2 * main_#t~nondet8;havoc main_#t~nondet8;__VERIFIER_assert_#in~cond := (if 1 != (main_~x~0 + main_~y~0) % 4294967296 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 6#L15true assume !(0 == __VERIFIER_assert_~cond); 9#L15-2true [2021-11-09 10:50:51,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:50:51,094 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-11-09 10:50:51,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:50:51,105 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861350832] [2021-11-09 10:50:51,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:50:51,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:50:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 10:50:51,241 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 10:50:51,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 10:50:51,304 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 10:50:51,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:50:51,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1320, now seen corresponding path program 1 times [2021-11-09 10:50:51,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:50:51,312 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965279189] [2021-11-09 10:50:51,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:50:51,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:50:51,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 10:50:51,339 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 10:50:51,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 10:50:51,379 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 10:50:51,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:50:51,380 INFO L85 PathProgramCache]: Analyzing trace with hash 925802, now seen corresponding path program 1 times [2021-11-09 10:50:51,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:50:51,381 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405034366] [2021-11-09 10:50:51,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:50:51,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:50:51,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 10:50:51,426 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 10:50:51,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 10:50:51,471 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 10:50:52,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.11 10:50:52 BoogieIcfgContainer [2021-11-09 10:50:52,080 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-09 10:50:52,081 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-09 10:50:52,081 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-09 10:50:52,081 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-09 10:50:52,082 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:50:50" (3/4) ... [2021-11-09 10:50:52,085 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-11-09 10:50:52,132 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71187c8-9458-48c0-b90c-ff75d8d2aa78/bin/uautomizer-IVEQpCNsaX/witness.graphml [2021-11-09 10:50:52,132 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-09 10:50:52,133 INFO L168 Benchmark]: Toolchain (without parser) took 1830.15 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 60.4 MB in the beginning and 74.1 MB in the end (delta: -13.7 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2021-11-09 10:50:52,133 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 92.3 MB. Free memory is still 46.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 10:50:52,134 INFO L168 Benchmark]: CACSL2BoogieTranslator took 306.44 ms. Allocated memory is still 92.3 MB. Free memory was 60.1 MB in the beginning and 68.3 MB in the end (delta: -8.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-09 10:50:52,134 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.45 ms. Allocated memory is still 92.3 MB. Free memory was 68.3 MB in the beginning and 66.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-09 10:50:52,135 INFO L168 Benchmark]: Boogie Preprocessor took 20.56 ms. Allocated memory is still 92.3 MB. Free memory was 66.9 MB in the beginning and 65.7 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 10:50:52,136 INFO L168 Benchmark]: RCFGBuilder took 284.61 ms. Allocated memory is still 92.3 MB. Free memory was 65.7 MB in the beginning and 57.3 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-09 10:50:52,136 INFO L168 Benchmark]: BuchiAutomizer took 1124.11 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 57.1 MB in the beginning and 75.7 MB in the end (delta: -18.6 MB). Peak memory consumption was 10.7 MB. Max. memory is 16.1 GB. [2021-11-09 10:50:52,137 INFO L168 Benchmark]: Witness Printer took 51.41 ms. Allocated memory is still 117.4 MB. Free memory was 75.7 MB in the beginning and 74.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-09 10:50:52,140 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 92.3 MB. Free memory is still 46.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 306.44 ms. Allocated memory is still 92.3 MB. Free memory was 60.1 MB in the beginning and 68.3 MB in the end (delta: -8.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.45 ms. Allocated memory is still 92.3 MB. Free memory was 68.3 MB in the beginning and 66.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 20.56 ms. Allocated memory is still 92.3 MB. Free memory was 66.9 MB in the beginning and 65.7 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 284.61 ms. Allocated memory is still 92.3 MB. Free memory was 65.7 MB in the beginning and 57.3 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1124.11 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 57.1 MB in the beginning and 75.7 MB in the end (delta: -18.6 MB). Peak memory consumption was 10.7 MB. Max. memory is 16.1 GB. * Witness Printer took 51.41 ms. Allocated memory is still 117.4 MB. Free memory was 75.7 MB in the beginning and 74.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.0s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 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: No data available 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 - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 1]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=14756} State at position 1 is {cond=1, NULL=0, NULL=0, NULL=0, NULL=14758, NULL=0, \result=0, NULL=14757, NULL=14756, \old(cond)=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ae3b53f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7e6e71be=0, NULL=0, x=1, y=1, NULL=14759} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 14]: 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 Loop: [L27] COND TRUE 1 [L29] x = x +2U*__VERIFIER_nondet_uint() [L30] y = y +2U*__VERIFIER_nondet_uint() [L15] COND FALSE !(!(cond)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-11-09 10:50:52,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71187c8-9458-48c0-b90c-ff75d8d2aa78/bin/uautomizer-IVEQpCNsaX/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)