./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 b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8419f0d-e48d-4ac1-9e0e-c6e75f667192/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8419f0d-e48d-4ac1-9e0e-c6e75f667192/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8419f0d-e48d-4ac1-9e0e-c6e75f667192/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8419f0d-e48d-4ac1-9e0e-c6e75f667192/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/bitvector/jain_4-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8419f0d-e48d-4ac1-9e0e-c6e75f667192/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8419f0d-e48d-4ac1-9e0e-c6e75f667192/bin/uautomizer-UnR33cPsHg --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 d27f20571ad286e34929f5b3ea88ae3368c36e1d1cf9421cf546a13ccd7608ff ........................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:53:00,947 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:53:00,951 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:53:01,007 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:53:01,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:53:01,012 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:53:01,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:53:01,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:53:01,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:53:01,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:53:01,033 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:53:01,035 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:53:01,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:53:01,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:53:01,040 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:53:01,046 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:53:01,048 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:53:01,050 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:53:01,055 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:53:01,062 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:53:01,065 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:53:01,066 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:53:01,070 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:53:01,071 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:53:01,078 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:53:01,078 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:53:01,079 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:53:01,081 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:53:01,082 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:53:01,083 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:53:01,084 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:53:01,085 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:53:01,087 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:53:01,088 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:53:01,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:53:01,090 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:53:01,091 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:53:01,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:53:01,092 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:53:01,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:53:01,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:53:01,094 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8419f0d-e48d-4ac1-9e0e-c6e75f667192/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 09:53:01,148 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:53:01,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:53:01,151 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:53:01,151 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:53:01,153 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:53:01,153 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:53:01,153 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:53:01,154 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:53:01,154 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:53:01,154 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:53:01,155 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:53:01,156 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:53:01,156 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:53:01,156 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:53:01,156 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:53:01,157 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:53:01,157 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:53:01,157 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:53:01,157 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:53:01,158 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:53:01,158 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:53:01,158 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:53:01,158 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:53:01,159 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:53:01,159 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:53:01,159 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:53:01,161 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:53:01,162 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:53:01,162 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:53:01,162 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:53:01,162 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:53:01,163 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:53:01,164 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:53:01,164 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_b8419f0d-e48d-4ac1-9e0e-c6e75f667192/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8419f0d-e48d-4ac1-9e0e-c6e75f667192/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d27f20571ad286e34929f5b3ea88ae3368c36e1d1cf9421cf546a13ccd7608ff [2021-10-28 09:53:01,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:53:01,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:53:01,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:53:01,478 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:53:01,479 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:53:01,480 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8419f0d-e48d-4ac1-9e0e-c6e75f667192/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/bitvector/jain_4-2.c [2021-10-28 09:53:01,585 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8419f0d-e48d-4ac1-9e0e-c6e75f667192/bin/uautomizer-UnR33cPsHg/data/90a54f9b4/495e60997b3143d4afbf926f711a38a5/FLAGca453e9fe [2021-10-28 09:53:02,058 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:53:02,058 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8419f0d-e48d-4ac1-9e0e-c6e75f667192/sv-benchmarks/c/bitvector/jain_4-2.c [2021-10-28 09:53:02,063 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8419f0d-e48d-4ac1-9e0e-c6e75f667192/bin/uautomizer-UnR33cPsHg/data/90a54f9b4/495e60997b3143d4afbf926f711a38a5/FLAGca453e9fe [2021-10-28 09:53:02,428 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8419f0d-e48d-4ac1-9e0e-c6e75f667192/bin/uautomizer-UnR33cPsHg/data/90a54f9b4/495e60997b3143d4afbf926f711a38a5 [2021-10-28 09:53:02,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:53:02,432 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:53:02,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:53:02,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:53:02,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:53:02,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:53:02" (1/1) ... [2021-10-28 09:53:02,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1522c7a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:02, skipping insertion in model container [2021-10-28 09:53:02,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:53:02" (1/1) ... [2021-10-28 09:53:02,448 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:53:02,461 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:53:02,628 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_b8419f0d-e48d-4ac1-9e0e-c6e75f667192/sv-benchmarks/c/bitvector/jain_4-2.c[370,383] [2021-10-28 09:53:02,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:53:02,648 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:53:02,664 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_b8419f0d-e48d-4ac1-9e0e-c6e75f667192/sv-benchmarks/c/bitvector/jain_4-2.c[370,383] [2021-10-28 09:53:02,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:53:02,687 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:53:02,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:02 WrapperNode [2021-10-28 09:53:02,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:53:02,688 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:53:02,688 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:53:02,688 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:53:02,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:02" (1/1) ... [2021-10-28 09:53:02,703 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:02" (1/1) ... [2021-10-28 09:53:02,719 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:53:02,720 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:53:02,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:53:02,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:53:02,727 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:02" (1/1) ... [2021-10-28 09:53:02,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:02" (1/1) ... [2021-10-28 09:53:02,728 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:02" (1/1) ... [2021-10-28 09:53:02,728 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:02" (1/1) ... [2021-10-28 09:53:02,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:02" (1/1) ... [2021-10-28 09:53:02,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:02" (1/1) ... [2021-10-28 09:53:02,737 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:02" (1/1) ... [2021-10-28 09:53:02,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:53:02,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:53:02,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:53:02,740 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:53:02,741 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:02" (1/1) ... [2021-10-28 09:53:02,749 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:53:02,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8419f0d-e48d-4ac1-9e0e-c6e75f667192/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:53:02,782 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8419f0d-e48d-4ac1-9e0e-c6e75f667192/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:53:02,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8419f0d-e48d-4ac1-9e0e-c6e75f667192/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:53:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:53:02,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:53:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:53:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:53:03,004 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:53:03,004 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 09:53:03,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:53:03 BoogieIcfgContainer [2021-10-28 09:53:03,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:53:03,007 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:53:03,007 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:53:03,010 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:53:03,011 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:53:03,011 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:53:02" (1/3) ... [2021-10-28 09:53:03,014 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@299b0da4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:53:03, skipping insertion in model container [2021-10-28 09:53:03,014 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:53:03,014 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:02" (2/3) ... [2021-10-28 09:53:03,014 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@299b0da4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:53:03, skipping insertion in model container [2021-10-28 09:53:03,015 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:53:03,015 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:53:03" (3/3) ... [2021-10-28 09:53:03,016 INFO L389 chiAutomizerObserver]: Analyzing ICFG jain_4-2.c [2021-10-28 09:53:03,065 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:53:03,066 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:53:03,066 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:53:03,066 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:53:03,066 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:53:03,066 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:53:03,066 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:53:03,067 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:53:03,082 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) [2021-10-28 09:53:03,100 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 09:53:03,101 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:53:03,101 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:53:03,107 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 09:53:03,107 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:53:03,107 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:53:03,108 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) [2021-10-28 09:53:03,109 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 09:53:03,109 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:53:03,109 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:53:03,110 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 09:53:03,110 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:53:03,117 INFO L791 eck$LassoCheckResult]: Stem: 4#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); 8#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := 0;main_~y~0 := 0;main_~z~0 := 0; 5#L7-2true [2021-10-28 09:53:03,117 INFO L793 eck$LassoCheckResult]: Loop: 5#L7-2true assume !false;main_~x~0 := main_~x~0 + 4 * main_#t~nondet7;havoc main_#t~nondet7;main_~y~0 := main_~y~0 + 4 * main_#t~nondet8;havoc main_#t~nondet8;main_~z~0 := main_~z~0 + 8 * main_#t~nondet9;havoc main_#t~nondet9;__VERIFIER_assert_#in~cond := (if 1 != (main_~x~0 + main_~y~0 + main_~z~0) % 4294967296 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 9#L7true assume !(0 == __VERIFIER_assert_~cond); 5#L7-2true [2021-10-28 09:53:03,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:53:03,124 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-28 09:53:03,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:53:03,135 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659227421] [2021-10-28 09:53:03,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:53:03,136 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:53:03,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:53:03,239 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:53:03,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:53:03,276 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:53:03,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:53:03,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1320, now seen corresponding path program 1 times [2021-10-28 09:53:03,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:53:03,280 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780370355] [2021-10-28 09:53:03,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:53:03,280 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:53:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:53:03,293 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:53:03,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:53:03,305 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:53:03,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:53:03,307 INFO L85 PathProgramCache]: Analyzing trace with hash 925802, now seen corresponding path program 1 times [2021-10-28 09:53:03,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:53:03,308 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619048161] [2021-10-28 09:53:03,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:53:03,308 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:53:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:53:03,353 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:53:03,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:53:03,403 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:53:04,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:53:04 BoogieIcfgContainer [2021-10-28 09:53:04,128 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:53:04,129 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:53:04,129 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:53:04,129 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:53:04,130 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:53:03" (3/4) ... [2021-10-28 09:53:04,133 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-28 09:53:04,171 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8419f0d-e48d-4ac1-9e0e-c6e75f667192/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:53:04,171 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:53:04,173 INFO L168 Benchmark]: Toolchain (without parser) took 1739.90 ms. Allocated memory is still 121.6 MB. Free memory was 87.0 MB in the beginning and 47.2 MB in the end (delta: 39.8 MB). Peak memory consumption was 37.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:53:04,174 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 121.6 MB. Free memory was 95.7 MB in the beginning and 95.7 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:53:04,174 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.90 ms. Allocated memory is still 121.6 MB. Free memory was 87.0 MB in the beginning and 97.6 MB in the end (delta: -10.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:53:04,175 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.08 ms. Allocated memory is still 121.6 MB. Free memory was 97.6 MB in the beginning and 95.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:53:04,176 INFO L168 Benchmark]: Boogie Preprocessor took 18.61 ms. Allocated memory is still 121.6 MB. Free memory was 95.5 MB in the beginning and 94.8 MB in the end (delta: 686.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:53:04,176 INFO L168 Benchmark]: RCFGBuilder took 267.12 ms. Allocated memory is still 121.6 MB. Free memory was 94.8 MB in the beginning and 85.8 MB in the end (delta: 9.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:53:04,177 INFO L168 Benchmark]: BuchiAutomizer took 1120.96 ms. Allocated memory is still 121.6 MB. Free memory was 85.8 MB in the beginning and 49.4 MB in the end (delta: 36.4 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:53:04,178 INFO L168 Benchmark]: Witness Printer took 42.79 ms. Allocated memory is still 121.6 MB. Free memory was 49.4 MB in the beginning and 47.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:53:04,181 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 121.6 MB. Free memory was 95.7 MB in the beginning and 95.7 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 253.90 ms. Allocated memory is still 121.6 MB. Free memory was 87.0 MB in the beginning and 97.6 MB in the end (delta: -10.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 31.08 ms. Allocated memory is still 121.6 MB. Free memory was 97.6 MB in the beginning and 95.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 18.61 ms. Allocated memory is still 121.6 MB. Free memory was 95.5 MB in the beginning and 94.8 MB in the end (delta: 686.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 267.12 ms. Allocated memory is still 121.6 MB. Free memory was 94.8 MB in the beginning and 85.8 MB in the end (delta: 9.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1120.96 ms. Allocated memory is still 121.6 MB. Free memory was 85.8 MB in the beginning and 49.4 MB in the end (delta: 36.4 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. * Witness Printer took 42.79 ms. Allocated memory is still 121.6 MB. Free memory was 49.4 MB in the beginning and 47.2 MB in the end (delta: 2.2 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=2561} State at position 1 is {cond=1, NULL=0, NULL=0, NULL=0, NULL=2562, NULL=0, \result=0, NULL=2564, NULL=2561, \old(cond)=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3870fef=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3dca9f23=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@58be9646=0, NULL=0, z=0, x=0, y=0, NULL=2563} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 6]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L14] unsigned int x,y,z; [L16] x=0U [L17] y=0U [L18] z=0U Loop: [L20] COND TRUE 1 [L22] x = x +4U*__VERIFIER_nondet_uint() [L23] y = y +4U*__VERIFIER_nondet_uint() [L24] z = z +8U*__VERIFIER_nondet_uint() [L7] COND FALSE !(!(cond)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-28 09:53:04,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8419f0d-e48d-4ac1-9e0e-c6e75f667192/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...