./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_44_good.i --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_3bc32b92-5ed0-4924-946c-9a983ba64301/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc32b92-5ed0-4924-946c-9a983ba64301/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_3bc32b92-5ed0-4924-946c-9a983ba64301/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc32b92-5ed0-4924-946c-9a983ba64301/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_44_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc32b92-5ed0-4924-946c-9a983ba64301/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_3bc32b92-5ed0-4924-946c-9a983ba64301/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 19fc5eb310da36e5af41d4081d388b8003853571831bd141ebfde225d7512722 --- 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 17:22:51,955 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:22:51,958 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:22:51,999 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:22:52,000 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:22:52,004 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:22:52,006 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:22:52,009 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:22:52,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:22:52,016 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:22:52,017 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:22:52,018 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:22:52,019 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:22:52,020 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:22:52,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:22:52,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:22:52,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:22:52,024 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:22:52,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:22:52,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:22:52,032 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:22:52,034 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:22:52,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:22:52,037 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:22:52,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:22:52,052 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:22:52,053 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:22:52,054 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:22:52,054 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:22:52,055 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:22:52,056 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:22:52,056 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:22:52,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:22:52,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:22:52,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:22:52,060 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:22:52,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:22:52,061 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:22:52,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:22:52,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:22:52,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:22:52,067 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc32b92-5ed0-4924-946c-9a983ba64301/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:22:52,106 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:22:52,106 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:22:52,108 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:22:52,108 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:22:52,109 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:22:52,109 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:22:52,109 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:22:52,110 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:22:52,110 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:22:52,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:22:52,111 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:22:52,112 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:22:52,112 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:22:52,112 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:22:52,113 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:22:52,113 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:22:52,113 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:22:52,114 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:22:52,114 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:22:52,114 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:22:52,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:22:52,115 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:22:52,115 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:22:52,115 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:22:52,116 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:22:52,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:22:52,116 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:22:52,117 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_3bc32b92-5ed0-4924-946c-9a983ba64301/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc32b92-5ed0-4924-946c-9a983ba64301/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19fc5eb310da36e5af41d4081d388b8003853571831bd141ebfde225d7512722 [2022-11-20 17:22:52,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:22:52,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:22:52,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:22:52,448 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:22:52,449 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:22:52,450 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc32b92-5ed0-4924-946c-9a983ba64301/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_44_good.i [2022-11-20 17:22:55,559 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:22:55,942 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:22:55,943 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc32b92-5ed0-4924-946c-9a983ba64301/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_44_good.i [2022-11-20 17:22:55,975 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc32b92-5ed0-4924-946c-9a983ba64301/bin/ukojak-pZX7IvK2PQ/data/900939e71/34cf807fe16e47b4bf8838d139cebf96/FLAG39a5b3263 [2022-11-20 17:22:55,992 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc32b92-5ed0-4924-946c-9a983ba64301/bin/ukojak-pZX7IvK2PQ/data/900939e71/34cf807fe16e47b4bf8838d139cebf96 [2022-11-20 17:22:55,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:22:55,997 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:22:56,000 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:22:56,000 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:22:56,004 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:22:56,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:22:55" (1/1) ... [2022-11-20 17:22:56,006 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71144b74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:22:56, skipping insertion in model container [2022-11-20 17:22:56,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:22:55" (1/1) ... [2022-11-20 17:22:56,016 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:22:56,107 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:22:56,489 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:22:57,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:22:57,048 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:22:57,066 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:22:57,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:22:57,365 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:22:57,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:22:57 WrapperNode [2022-11-20 17:22:57,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:22:57,368 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:22:57,368 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:22:57,368 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:22:57,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:22:57" (1/1) ... [2022-11-20 17:22:57,424 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:22:57" (1/1) ... [2022-11-20 17:22:57,464 INFO L138 Inliner]: procedures = 504, calls = 63, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 63 [2022-11-20 17:22:57,466 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:22:57,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:22:57,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:22:57,467 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:22:57,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:22:57" (1/1) ... [2022-11-20 17:22:57,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:22:57" (1/1) ... [2022-11-20 17:22:57,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:22:57" (1/1) ... [2022-11-20 17:22:57,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:22:57" (1/1) ... [2022-11-20 17:22:57,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:22:57" (1/1) ... [2022-11-20 17:22:57,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:22:57" (1/1) ... [2022-11-20 17:22:57,510 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:22:57" (1/1) ... [2022-11-20 17:22:57,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:22:57" (1/1) ... [2022-11-20 17:22:57,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:22:57,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:22:57,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:22:57,521 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:22:57,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:22:57" (1/1) ... [2022-11-20 17:22:57,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:22:57,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc32b92-5ed0-4924-946c-9a983ba64301/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:22:57,561 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc32b92-5ed0-4924-946c-9a983ba64301/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:22:57,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc32b92-5ed0-4924-946c-9a983ba64301/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:22:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 17:22:57,626 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 17:22:57,626 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:22:57,627 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:22:57,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:22:57,627 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-20 17:22:57,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-20 17:22:57,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:22:57,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:22:57,628 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:22:57,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:22:57,844 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:22:57,862 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:22:58,079 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:22:58,117 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:22:58,117 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:22:58,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:22:58 BoogieIcfgContainer [2022-11-20 17:22:58,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:22:58,120 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:22:58,121 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:22:58,131 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:22:58,134 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:22:58" (1/1) ... [2022-11-20 17:22:58,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:22:58,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:22:58,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2022-11-20 17:22:58,225 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2022-11-20 17:22:58,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:22:58,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:22:58,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:22:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:22:58,715 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 17:22:58,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:22:58,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 35 states and 42 transitions. [2022-11-20 17:22:58,872 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2022-11-20 17:22:58,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:22:58,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:22:58,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:22:58,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:22:59,034 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 17:22:59,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:22:59,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 39 states and 48 transitions. [2022-11-20 17:22:59,336 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2022-11-20 17:22:59,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:22:59,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:22:59,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:22:59,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:22:59,510 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 17:22:59,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:22:59,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 41 states and 51 transitions. [2022-11-20 17:22:59,948 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2022-11-20 17:22:59,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:22:59,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:22:59,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:22:59,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:23:00,213 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:23:00,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:23:00,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 40 transitions. [2022-11-20 17:23:00,383 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2022-11-20 17:23:00,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:23:00,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:23:00,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:23:00,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:23:00,574 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:23:01,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:23:01,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 36 transitions. [2022-11-20 17:23:01,268 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2022-11-20 17:23:01,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:23:01,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:23:01,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:23:01,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:23:01,400 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:23:01,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:23:01,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 29 transitions. [2022-11-20 17:23:01,940 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2022-11-20 17:23:01,941 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:23:01,941 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2022-11-20 17:23:01,951 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-20 17:23:02,026 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:23:02,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:23:02 ImpRootNode [2022-11-20 17:23:02,032 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:23:02,033 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:23:02,033 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:23:02,033 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:23:02,034 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:22:58" (3/4) ... [2022-11-20 17:23:02,038 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:23:02,047 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 17:23:02,048 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 17:23:02,048 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2022-11-20 17:23:02,055 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-11-20 17:23:02,056 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-20 17:23:02,056 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-20 17:23:02,056 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:23:02,116 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc32b92-5ed0-4924-946c-9a983ba64301/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:23:02,116 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:23:02,117 INFO L158 Benchmark]: Toolchain (without parser) took 6120.19ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 88.9MB in the beginning and 82.3MB in the end (delta: 6.5MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. [2022-11-20 17:23:02,117 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 134.2MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:23:02,118 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1367.04ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 88.5MB in the beginning and 102.0MB in the end (delta: -13.5MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2022-11-20 17:23:02,118 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.36ms. Allocated memory is still 167.8MB. Free memory was 102.0MB in the beginning and 98.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:23:02,118 INFO L158 Benchmark]: Boogie Preprocessor took 53.21ms. Allocated memory is still 167.8MB. Free memory was 98.8MB in the beginning and 97.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:23:02,119 INFO L158 Benchmark]: RCFGBuilder took 599.56ms. Allocated memory is still 167.8MB. Free memory was 97.8MB in the beginning and 83.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 17:23:02,119 INFO L158 Benchmark]: CodeCheck took 3911.95ms. Allocated memory is still 167.8MB. Free memory was 83.1MB in the beginning and 85.3MB in the end (delta: -2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:23:02,119 INFO L158 Benchmark]: Witness Printer took 83.24ms. Allocated memory is still 167.8MB. Free memory was 85.3MB in the beginning and 82.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:23:02,121 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 4 procedures, 32 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 232 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 28 mSDsluCounter, 137 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 137 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 372 IncrementalHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 137 mSolverCounterUnsat, 137 mSDtfsCounter, 372 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 751 GetRequests, 674 SyntacticMatches, 3 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1540 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 210 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 9/9 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: 1568]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1568]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1551]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1551]: 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: 1595]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63ms. Allocated memory is still 134.2MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1367.04ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 88.5MB in the beginning and 102.0MB in the end (delta: -13.5MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.36ms. Allocated memory is still 167.8MB. Free memory was 102.0MB in the beginning and 98.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.21ms. Allocated memory is still 167.8MB. Free memory was 98.8MB in the beginning and 97.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 599.56ms. Allocated memory is still 167.8MB. Free memory was 97.8MB in the beginning and 83.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 3911.95ms. Allocated memory is still 167.8MB. Free memory was 83.1MB in the beginning and 85.3MB in the end (delta: -2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 83.24ms. Allocated memory is still 167.8MB. Free memory was 85.3MB in the beginning and 82.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:23:02,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc32b92-5ed0-4924-946c-9a983ba64301/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE