./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_65_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_b3e44560-d37d-4616-ad07-fcd1e96ccb0d/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e44560-d37d-4616-ad07-fcd1e96ccb0d/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_b3e44560-d37d-4616-ad07-fcd1e96ccb0d/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e44560-d37d-4616-ad07-fcd1e96ccb0d/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_65_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e44560-d37d-4616-ad07-fcd1e96ccb0d/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_b3e44560-d37d-4616-ad07-fcd1e96ccb0d/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 d41496d433204b61d1f41e33fbe14510a936b5462795bb9cc7b362cddc782854 --- 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 16:39:05,028 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:39:05,031 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:39:05,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:39:05,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:39:05,064 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:39:05,066 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:39:05,071 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:39:05,073 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:39:05,075 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:39:05,077 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:39:05,080 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:39:05,080 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:39:05,086 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:39:05,088 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:39:05,089 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:39:05,091 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:39:05,093 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:39:05,095 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:39:05,099 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:39:05,103 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:39:05,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:39:05,106 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:39:05,108 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:39:05,111 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:39:05,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:39:05,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:39:05,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:39:05,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:39:05,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:39:05,121 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:39:05,122 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:39:05,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:39:05,125 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:39:05,126 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:39:05,127 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:39:05,128 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:39:05,128 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:39:05,128 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:39:05,131 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:39:05,132 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:39:05,132 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e44560-d37d-4616-ad07-fcd1e96ccb0d/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 16:39:05,159 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:39:05,159 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:39:05,161 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:39:05,161 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:39:05,162 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:39:05,162 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:39:05,162 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:39:05,171 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:39:05,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:39:05,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:39:05,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:39:05,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:39:05,173 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:39:05,173 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:39:05,173 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:39:05,174 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:39:05,174 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:39:05,174 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:39:05,174 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:39:05,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:39:05,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:39:05,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:39:05,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:39:05,176 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:39:05,176 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:39:05,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:39:05,176 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:39:05,177 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_b3e44560-d37d-4616-ad07-fcd1e96ccb0d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e44560-d37d-4616-ad07-fcd1e96ccb0d/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d41496d433204b61d1f41e33fbe14510a936b5462795bb9cc7b362cddc782854 [2022-11-20 16:39:05,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:39:05,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:39:05,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:39:05,477 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:39:05,478 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:39:05,479 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e44560-d37d-4616-ad07-fcd1e96ccb0d/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_65_good.i [2022-11-20 16:39:08,561 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:39:08,931 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:39:08,937 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e44560-d37d-4616-ad07-fcd1e96ccb0d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_65_good.i [2022-11-20 16:39:08,968 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e44560-d37d-4616-ad07-fcd1e96ccb0d/bin/ukojak-pZX7IvK2PQ/data/216b72652/8cba7051cca6445384a6c82ee6ff785a/FLAGeafff7517 [2022-11-20 16:39:08,989 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e44560-d37d-4616-ad07-fcd1e96ccb0d/bin/ukojak-pZX7IvK2PQ/data/216b72652/8cba7051cca6445384a6c82ee6ff785a [2022-11-20 16:39:08,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:39:08,997 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:39:09,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:39:09,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:39:09,005 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:39:09,006 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:39:08" (1/1) ... [2022-11-20 16:39:09,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fb86480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:09, skipping insertion in model container [2022-11-20 16:39:09,007 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:39:08" (1/1) ... [2022-11-20 16:39:09,015 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:39:09,085 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:39:09,569 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:39:10,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:39:10,108 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:39:10,127 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:39:10,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:39:10,342 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:39:10,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:10 WrapperNode [2022-11-20 16:39:10,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:39:10,361 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:39:10,361 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:39:10,361 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:39:10,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:10" (1/1) ... [2022-11-20 16:39:10,408 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:10" (1/1) ... [2022-11-20 16:39:10,460 INFO L138 Inliner]: procedures = 504, calls = 63, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 81 [2022-11-20 16:39:10,461 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:39:10,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:39:10,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:39:10,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:39:10,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:10" (1/1) ... [2022-11-20 16:39:10,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:10" (1/1) ... [2022-11-20 16:39:10,474 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:10" (1/1) ... [2022-11-20 16:39:10,474 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:10" (1/1) ... [2022-11-20 16:39:10,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:10" (1/1) ... [2022-11-20 16:39:10,482 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:10" (1/1) ... [2022-11-20 16:39:10,484 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:10" (1/1) ... [2022-11-20 16:39:10,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:10" (1/1) ... [2022-11-20 16:39:10,488 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:39:10,489 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:39:10,489 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:39:10,489 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:39:10,490 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:10" (1/1) ... [2022-11-20 16:39:10,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:39:10,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e44560-d37d-4616-ad07-fcd1e96ccb0d/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:39:10,523 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e44560-d37d-4616-ad07-fcd1e96ccb0d/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:39:10,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e44560-d37d-4616-ad07-fcd1e96ccb0d/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:39:10,586 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 16:39:10,587 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 16:39:10,587 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 16:39:10,587 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 16:39:10,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:39:10,588 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-20 16:39:10,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-20 16:39:10,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:39:10,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:39:10,588 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 16:39:10,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:39:10,800 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:39:10,803 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:39:11,058 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:39:11,160 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:39:11,161 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 16:39:11,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:39:11 BoogieIcfgContainer [2022-11-20 16:39:11,170 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:39:11,170 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:39:11,171 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:39:11,181 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:39:11,181 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:39:11" (1/1) ... [2022-11-20 16:39:11,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:39:11,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:39:11,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2022-11-20 16:39:11,267 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2022-11-20 16:39:11,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 16:39:11,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:39:11,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:39:11,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:39:11,656 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 16:39:11,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:39:11,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 35 states and 42 transitions. [2022-11-20 16:39:11,763 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2022-11-20 16:39:11,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 16:39:11,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:39:11,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:39:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:39:11,977 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 16:39:12,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:39:12,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 39 states and 48 transitions. [2022-11-20 16:39:12,255 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2022-11-20 16:39:12,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 16:39:12,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:39:12,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:39:12,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:39:12,392 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 16:39:12,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:39:12,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 41 states and 51 transitions. [2022-11-20 16:39:12,831 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2022-11-20 16:39:12,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 16:39:12,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:39:12,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:39:12,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:39:13,215 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 16:39:13,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:39:13,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 40 states and 50 transitions. [2022-11-20 16:39:13,604 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 50 transitions. [2022-11-20 16:39:13,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 16:39:13,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:39:13,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:39:13,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:39:13,873 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 16:39:13,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:39:13,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 39 states and 49 transitions. [2022-11-20 16:39:13,987 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2022-11-20 16:39:13,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 16:39:13,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:39:13,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:39:14,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:39:14,215 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 16:39:15,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:39:15,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 36 states and 44 transitions. [2022-11-20 16:39:15,040 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2022-11-20 16:39:15,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 16:39:15,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:39:15,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:39:15,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:39:15,263 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:39:15,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:39:15,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 35 states and 43 transitions. [2022-11-20 16:39:15,439 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2022-11-20 16:39:15,439 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 16:39:15,439 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2022-11-20 16:39:15,449 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-20 16:39:15,582 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 16:39:15,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:39:15 ImpRootNode [2022-11-20 16:39:15,587 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:39:15,587 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:39:15,587 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:39:15,588 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:39:15,588 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:39:11" (3/4) ... [2022-11-20 16:39:15,591 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 16:39:15,596 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 16:39:15,596 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 16:39:15,597 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2022-11-20 16:39:15,601 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-20 16:39:15,602 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-20 16:39:15,602 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-20 16:39:15,602 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 16:39:15,667 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e44560-d37d-4616-ad07-fcd1e96ccb0d/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 16:39:15,667 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:39:15,668 INFO L158 Benchmark]: Toolchain (without parser) took 6670.62ms. Allocated memory was 161.5MB in the beginning and 201.3MB in the end (delta: 39.8MB). Free memory was 113.5MB in the beginning and 115.4MB in the end (delta: -1.9MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2022-11-20 16:39:15,668 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 161.5MB. Free memory is still 129.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:39:15,669 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1357.95ms. Allocated memory was 161.5MB in the beginning and 201.3MB in the end (delta: 39.8MB). Free memory was 113.5MB in the beginning and 169.3MB in the end (delta: -55.9MB). Peak memory consumption was 73.1MB. Max. memory is 16.1GB. [2022-11-20 16:39:15,670 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.23ms. Allocated memory is still 201.3MB. Free memory was 169.3MB in the beginning and 166.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:39:15,671 INFO L158 Benchmark]: Boogie Preprocessor took 26.86ms. Allocated memory is still 201.3MB. Free memory was 166.2MB in the beginning and 165.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:39:15,671 INFO L158 Benchmark]: RCFGBuilder took 680.69ms. Allocated memory is still 201.3MB. Free memory was 165.1MB in the beginning and 145.2MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 16:39:15,671 INFO L158 Benchmark]: CodeCheck took 4416.30ms. Allocated memory is still 201.3MB. Free memory was 144.2MB in the beginning and 119.5MB in the end (delta: 24.7MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2022-11-20 16:39:15,671 INFO L158 Benchmark]: Witness Printer took 80.21ms. Allocated memory is still 201.3MB. Free memory was 118.4MB in the beginning and 115.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:39:15,673 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: 4.2s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 293 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 35 mSDsluCounter, 163 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 207 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 540 IncrementalHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 207 mSolverCounterUnsat, 163 mSDtfsCounter, 540 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 957 GetRequests, 879 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1753 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 117 NumberOfCodeBlocks, 117 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 222 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 11/11 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: 1591]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1591]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: 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: 1576]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 161.5MB. Free memory is still 129.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1357.95ms. Allocated memory was 161.5MB in the beginning and 201.3MB in the end (delta: 39.8MB). Free memory was 113.5MB in the beginning and 169.3MB in the end (delta: -55.9MB). Peak memory consumption was 73.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.23ms. Allocated memory is still 201.3MB. Free memory was 169.3MB in the beginning and 166.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.86ms. Allocated memory is still 201.3MB. Free memory was 166.2MB in the beginning and 165.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 680.69ms. Allocated memory is still 201.3MB. Free memory was 165.1MB in the beginning and 145.2MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 4416.30ms. Allocated memory is still 201.3MB. Free memory was 144.2MB in the beginning and 119.5MB in the end (delta: 24.7MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. * Witness Printer took 80.21ms. Allocated memory is still 201.3MB. Free memory was 118.4MB in the beginning and 115.4MB 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 16:39:15,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e44560-d37d-4616-ad07-fcd1e96ccb0d/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