./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/ComplInterv2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_77ed04f3-2ea6-4507-9035-bb97969803a9/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ed04f3-2ea6-4507-9035-bb97969803a9/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ed04f3-2ea6-4507-9035-bb97969803a9/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ed04f3-2ea6-4507-9035-bb97969803a9/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/ComplInterv2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ed04f3-2ea6-4507-9035-bb97969803a9/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ed04f3-2ea6-4507-9035-bb97969803a9/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a4e4c55c78b95f44c6095497bf409656f44c1a6a97ae10e1462b294c9f7e80ca --- 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-6b4ec56 [2022-11-20 17:46:16,040 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:46:16,042 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:46:16,064 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:46:16,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:46:16,066 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:46:16,068 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:46:16,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:46:16,071 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:46:16,072 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:46:16,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:46:16,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:46:16,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:46:16,076 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:46:16,078 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:46:16,079 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:46:16,080 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:46:16,081 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:46:16,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:46:16,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:46:16,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:46:16,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:46:16,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:46:16,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:46:16,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:46:16,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:46:16,095 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:46:16,096 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:46:16,097 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:46:16,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:46:16,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:46:16,099 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:46:16,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:46:16,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:46:16,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:46:16,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:46:16,104 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:46:16,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:46:16,105 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:46:16,106 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:46:16,106 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:46:16,107 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ed04f3-2ea6-4507-9035-bb97969803a9/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:46:16,131 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:46:16,132 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:46:16,133 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:46:16,133 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:46:16,134 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:46:16,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:46:16,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:46:16,135 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:46:16,135 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:46:16,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:46:16,136 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:46:16,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:46:16,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:46:16,137 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:46:16,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:46:16,137 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:46:16,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:46:16,138 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:46:16,138 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:46:16,138 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:46:16,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:46:16,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:46:16,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:46:16,140 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:46:16,140 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:46:16,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:46:16,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:46:16,141 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_77ed04f3-2ea6-4507-9035-bb97969803a9/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ed04f3-2ea6-4507-9035-bb97969803a9/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4e4c55c78b95f44c6095497bf409656f44c1a6a97ae10e1462b294c9f7e80ca [2022-11-20 17:46:16,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:46:16,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:46:16,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:46:16,433 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:46:16,433 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:46:16,435 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ed04f3-2ea6-4507-9035-bb97969803a9/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-restricted-15/ComplInterv2.c [2022-11-20 17:46:19,551 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:46:19,757 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:46:19,757 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ed04f3-2ea6-4507-9035-bb97969803a9/sv-benchmarks/c/termination-restricted-15/ComplInterv2.c [2022-11-20 17:46:19,764 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ed04f3-2ea6-4507-9035-bb97969803a9/bin/ukojak-pZX7IvK2PQ/data/4376767ac/191d09ee808e4a43bf3d305c9806984a/FLAGaed6e8f54 [2022-11-20 17:46:19,785 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ed04f3-2ea6-4507-9035-bb97969803a9/bin/ukojak-pZX7IvK2PQ/data/4376767ac/191d09ee808e4a43bf3d305c9806984a [2022-11-20 17:46:19,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:46:19,794 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:46:19,798 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:46:19,798 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:46:19,802 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:46:19,803 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:46:19" (1/1) ... [2022-11-20 17:46:19,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22d7bbaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:19, skipping insertion in model container [2022-11-20 17:46:19,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:46:19" (1/1) ... [2022-11-20 17:46:19,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:46:19,826 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:46:19,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:46:19,979 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:46:19,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:46:20,001 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:46:20,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:20 WrapperNode [2022-11-20 17:46:20,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:46:20,003 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:46:20,003 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:46:20,003 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:46:20,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:20" (1/1) ... [2022-11-20 17:46:20,015 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:20" (1/1) ... [2022-11-20 17:46:20,031 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-11-20 17:46:20,032 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:46:20,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:46:20,033 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:46:20,033 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:46:20,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:20" (1/1) ... [2022-11-20 17:46:20,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:20" (1/1) ... [2022-11-20 17:46:20,041 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:20" (1/1) ... [2022-11-20 17:46:20,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:20" (1/1) ... [2022-11-20 17:46:20,043 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:20" (1/1) ... [2022-11-20 17:46:20,047 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:20" (1/1) ... [2022-11-20 17:46:20,048 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:20" (1/1) ... [2022-11-20 17:46:20,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:20" (1/1) ... [2022-11-20 17:46:20,050 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:46:20,051 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:46:20,051 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:46:20,051 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:46:20,052 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:20" (1/1) ... [2022-11-20 17:46:20,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:46:20,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ed04f3-2ea6-4507-9035-bb97969803a9/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:46:20,092 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ed04f3-2ea6-4507-9035-bb97969803a9/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:46:20,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ed04f3-2ea6-4507-9035-bb97969803a9/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:46:20,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:46:20,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:46:20,228 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:46:20,233 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:46:20,381 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:46:20,405 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:46:20,418 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 17:46:20,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:46:20 BoogieIcfgContainer [2022-11-20 17:46:20,421 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:46:20,422 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:46:20,422 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:46:20,432 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:46:20,433 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:46:20" (1/1) ... [2022-11-20 17:46:20,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:46:20,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:46:20,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2022-11-20 17:46:20,545 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2022-11-20 17:46:20,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:46:20,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:46:20,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:46:20,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:46:20,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:46:20,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:46:20,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2022-11-20 17:46:20,788 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2022-11-20 17:46:20,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:46:20,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:46:20,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:46:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:46:20,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:46:20,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:46:20,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2022-11-20 17:46:20,928 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2022-11-20 17:46:20,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:46:20,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:46:20,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:46:20,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:46:20,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:46:21,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:46:21,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2022-11-20 17:46:21,073 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2022-11-20 17:46:21,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:46:21,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:46:21,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:46:21,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:46:21,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:46:21,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:46:21,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2022-11-20 17:46:21,362 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2022-11-20 17:46:21,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:46:21,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:46:21,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:46:21,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:46:21,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:46:21,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:46:21,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 15 states and 21 transitions. [2022-11-20 17:46:21,633 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 21 transitions. [2022-11-20 17:46:21,633 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:46:21,633 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2022-11-20 17:46:21,642 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-20 17:46:21,687 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:46:21,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:46:21 ImpRootNode [2022-11-20 17:46:21,694 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:46:21,695 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:46:21,695 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:46:21,695 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:46:21,696 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:46:20" (3/4) ... [2022-11-20 17:46:21,701 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:46:21,715 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-20 17:46:21,716 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-20 17:46:21,716 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 17:46:21,782 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ed04f3-2ea6-4507-9035-bb97969803a9/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:46:21,783 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:46:21,784 INFO L158 Benchmark]: Toolchain (without parser) took 1989.38ms. Allocated memory is still 174.1MB. Free memory was 130.2MB in the beginning and 129.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2022-11-20 17:46:21,784 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 121.6MB. Free memory was 88.3MB in the beginning and 88.3MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:46:21,785 INFO L158 Benchmark]: CACSL2BoogieTranslator took 203.85ms. Allocated memory is still 174.1MB. Free memory was 130.2MB in the beginning and 121.1MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 17:46:21,785 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.25ms. Allocated memory is still 174.1MB. Free memory was 121.1MB in the beginning and 119.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:46:21,786 INFO L158 Benchmark]: Boogie Preprocessor took 17.36ms. Allocated memory is still 174.1MB. Free memory was 119.7MB in the beginning and 119.0MB in the end (delta: 711.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:46:21,787 INFO L158 Benchmark]: RCFGBuilder took 370.49ms. Allocated memory is still 174.1MB. Free memory was 119.0MB in the beginning and 108.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 17:46:21,787 INFO L158 Benchmark]: CodeCheck took 1272.31ms. Allocated memory is still 174.1MB. Free memory was 108.5MB in the beginning and 131.2MB in the end (delta: -22.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:46:21,788 INFO L158 Benchmark]: Witness Printer took 87.83ms. Allocated memory is still 174.1MB. Free memory was 131.2MB in the beginning and 129.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:46:21,798 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 14 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 138 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 93 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 69 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 306 IncrementalHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 69 mSolverCounterUnsat, 25 mSDtfsCounter, 306 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 286 GetRequests, 258 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 278 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 87 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 121.6MB. Free memory was 88.3MB in the beginning and 88.3MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 203.85ms. Allocated memory is still 174.1MB. Free memory was 130.2MB in the beginning and 121.1MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.25ms. Allocated memory is still 174.1MB. Free memory was 121.1MB in the beginning and 119.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.36ms. Allocated memory is still 174.1MB. Free memory was 119.7MB in the beginning and 119.0MB in the end (delta: 711.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 370.49ms. Allocated memory is still 174.1MB. Free memory was 119.0MB in the beginning and 108.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1272.31ms. Allocated memory is still 174.1MB. Free memory was 108.5MB in the beginning and 131.2MB in the end (delta: -22.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 87.83ms. Allocated memory is still 174.1MB. Free memory was 131.2MB in the beginning and 129.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:46:21,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ed04f3-2ea6-4507-9035-bb97969803a9/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE