./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_09_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d19243-21bc-4e1c-bdd6-6377702c5e97/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d19243-21bc-4e1c-bdd6-6377702c5e97/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_a9d19243-21bc-4e1c-bdd6-6377702c5e97/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d19243-21bc-4e1c-bdd6-6377702c5e97/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_09_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d19243-21bc-4e1c-bdd6-6377702c5e97/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_a9d19243-21bc-4e1c-bdd6-6377702c5e97/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 d4cf2a607a33ea59927b99afd664bb6e644659f6ffe15b06a4d900b830a92709 --- 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 17:45:17,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:45:17,406 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:45:17,434 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:45:17,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:45:17,438 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:45:17,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:45:17,444 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:45:17,446 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:45:17,452 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:45:17,454 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:45:17,456 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:45:17,457 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:45:17,459 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:45:17,461 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:45:17,463 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:45:17,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:45:17,466 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:45:17,467 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:45:17,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:45:17,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:45:17,478 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:45:17,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:45:17,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:45:17,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:45:17,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:45:17,492 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:45:17,493 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:45:17,493 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:45:17,496 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:45:17,496 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:45:17,497 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:45:17,499 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:45:17,501 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:45:17,502 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:45:17,503 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:45:17,504 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:45:17,504 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:45:17,505 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:45:17,506 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:45:17,507 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:45:17,508 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d19243-21bc-4e1c-bdd6-6377702c5e97/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:45:17,546 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:45:17,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:45:17,547 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:45:17,548 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:45:17,548 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:45:17,549 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:45:17,549 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:45:17,549 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:45:17,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:45:17,550 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:45:17,551 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:45:17,551 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:45:17,551 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:45:17,552 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:45:17,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:45:17,552 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:45:17,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:45:17,552 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:45:17,553 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:45:17,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:45:17,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:45:17,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:45:17,553 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:45:17,554 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:45:17,554 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:45:17,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:45:17,554 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:45:17,554 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_a9d19243-21bc-4e1c-bdd6-6377702c5e97/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d19243-21bc-4e1c-bdd6-6377702c5e97/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4cf2a607a33ea59927b99afd664bb6e644659f6ffe15b06a4d900b830a92709 [2022-11-20 17:45:17,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:45:17,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:45:17,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:45:17,874 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:45:17,875 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:45:17,876 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d19243-21bc-4e1c-bdd6-6377702c5e97/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_09_good.i [2022-11-20 17:45:21,046 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:45:21,415 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:45:21,415 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d19243-21bc-4e1c-bdd6-6377702c5e97/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_09_good.i [2022-11-20 17:45:21,449 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d19243-21bc-4e1c-bdd6-6377702c5e97/bin/ukojak-pZX7IvK2PQ/data/2c56a78c6/f490e6651aa84a3d8d46192d4cf19846/FLAG8124364eb [2022-11-20 17:45:21,470 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d19243-21bc-4e1c-bdd6-6377702c5e97/bin/ukojak-pZX7IvK2PQ/data/2c56a78c6/f490e6651aa84a3d8d46192d4cf19846 [2022-11-20 17:45:21,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:45:21,474 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:45:21,476 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:45:21,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:45:21,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:45:21,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:45:21" (1/1) ... [2022-11-20 17:45:21,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74b2527e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:21, skipping insertion in model container [2022-11-20 17:45:21,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:45:21" (1/1) ... [2022-11-20 17:45:21,490 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:45:21,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:45:21,995 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:45:22,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:45:22,607 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:45:22,630 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:45:22,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:45:22,924 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:45:22,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:22 WrapperNode [2022-11-20 17:45:22,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:45:22,927 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:45:22,927 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:45:22,927 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:45:22,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:22" (1/1) ... [2022-11-20 17:45:22,976 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:22" (1/1) ... [2022-11-20 17:45:23,014 INFO L138 Inliner]: procedures = 503, calls = 69, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 81 [2022-11-20 17:45:23,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:45:23,015 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:45:23,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:45:23,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:45:23,026 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:22" (1/1) ... [2022-11-20 17:45:23,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:22" (1/1) ... [2022-11-20 17:45:23,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:22" (1/1) ... [2022-11-20 17:45:23,041 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:22" (1/1) ... [2022-11-20 17:45:23,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:22" (1/1) ... [2022-11-20 17:45:23,057 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:22" (1/1) ... [2022-11-20 17:45:23,062 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:22" (1/1) ... [2022-11-20 17:45:23,064 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:22" (1/1) ... [2022-11-20 17:45:23,066 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:45:23,067 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:45:23,067 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:45:23,068 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:45:23,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:22" (1/1) ... [2022-11-20 17:45:23,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:45:23,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d19243-21bc-4e1c-bdd6-6377702c5e97/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:45:23,110 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d19243-21bc-4e1c-bdd6-6377702c5e97/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:45:23,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d19243-21bc-4e1c-bdd6-6377702c5e97/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:45:23,149 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 17:45:23,149 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 17:45:23,149 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:45:23,149 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:45:23,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:45:23,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:45:23,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:45:23,150 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:45:23,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:45:23,287 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:45:23,290 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:45:23,450 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:45:23,559 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:45:23,571 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:45:23,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:45:23 BoogieIcfgContainer [2022-11-20 17:45:23,574 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:45:23,575 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:45:23,575 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:45:23,595 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:45:23,596 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:45:23" (1/1) ... [2022-11-20 17:45:23,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:45:23,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:45:23,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 49 states and 67 transitions. [2022-11-20 17:45:23,682 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 67 transitions. [2022-11-20 17:45:23,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:45:23,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:45:23,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:45:23,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:45:23,932 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 17:45:23,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:45:23,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 48 states and 66 transitions. [2022-11-20 17:45:23,995 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 66 transitions. [2022-11-20 17:45:23,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:45:23,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:45:23,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:45:24,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:45:24,091 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 17:45:24,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:45:24,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 47 states and 65 transitions. [2022-11-20 17:45:24,145 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 65 transitions. [2022-11-20 17:45:24,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:45:24,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:45:24,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:45:24,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:45:24,221 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 17:45:24,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:45:24,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 46 states and 64 transitions. [2022-11-20 17:45:24,302 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 64 transitions. [2022-11-20 17:45:24,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:45:24,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:45:24,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:45:24,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:45:24,515 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 17:45:24,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:45:24,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 48 states and 68 transitions. [2022-11-20 17:45:24,594 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 68 transitions. [2022-11-20 17:45:24,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:45:24,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:45:24,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:45:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:45:24,661 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 17:45:24,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:45:24,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 47 states and 64 transitions. [2022-11-20 17:45:24,819 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 64 transitions. [2022-11-20 17:45:24,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:45:24,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:45:24,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:45:24,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:45:24,918 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 17:45:25,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:45:25,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 47 states and 63 transitions. [2022-11-20 17:45:25,279 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2022-11-20 17:45:25,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:45:25,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:45:25,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:45:25,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:45:25,341 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 17:45:25,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:45:25,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 46 states and 62 transitions. [2022-11-20 17:45:25,453 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 62 transitions. [2022-11-20 17:45:25,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:45:25,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:45:25,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:45:25,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:45:25,546 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 17:45:25,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:45:25,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 46 states and 61 transitions. [2022-11-20 17:45:25,675 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 61 transitions. [2022-11-20 17:45:25,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:45:25,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:45:25,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:45:25,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:45:25,759 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 17:45:25,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:45:25,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 49 states and 66 transitions. [2022-11-20 17:45:25,845 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 66 transitions. [2022-11-20 17:45:25,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:45:25,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:45:25,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:45:25,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:45:25,905 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 17:45:26,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:45:26,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 72 transitions. [2022-11-20 17:45:26,010 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-20 17:45:26,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:45:26,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:45:26,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:45:26,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:45:26,041 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 17:45:26,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:45:26,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 56 states and 78 transitions. [2022-11-20 17:45:26,184 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions. [2022-11-20 17:45:26,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:45:26,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:45:26,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:45:26,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:45:26,224 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:45:26,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:45:26,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 61 states and 86 transitions. [2022-11-20 17:45:26,609 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 86 transitions. [2022-11-20 17:45:26,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:45:26,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:45:26,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:45:26,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:45:26,739 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 17:45:26,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:45:26,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 53 states and 73 transitions. [2022-11-20 17:45:26,918 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2022-11-20 17:45:26,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:45:26,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:45:26,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:45:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:45:26,951 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 17:45:27,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:45:27,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 53 states and 72 transitions. [2022-11-20 17:45:27,100 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-20 17:45:27,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:45:27,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:45:27,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:45:27,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:45:27,130 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:45:27,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:45:27,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 53 states and 71 transitions. [2022-11-20 17:45:27,352 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 71 transitions. [2022-11-20 17:45:27,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 17:45:27,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:45:27,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:45:27,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:45:27,489 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 17:45:27,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:45:27,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 53 states and 70 transitions. [2022-11-20 17:45:27,786 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2022-11-20 17:45:27,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 17:45:27,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:45:27,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:45:27,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:45:27,813 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:45:28,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:45:28,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 51 states and 67 transitions. [2022-11-20 17:45:28,112 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 67 transitions. [2022-11-20 17:45:28,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 17:45:28,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:45:28,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:45:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:45:28,136 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 17:45:28,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:45:28,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 38 states and 45 transitions. [2022-11-20 17:45:28,515 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2022-11-20 17:45:28,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 17:45:28,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:45:28,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:45:28,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:45:28,596 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:45:28,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:45:28,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 37 states and 44 transitions. [2022-11-20 17:45:28,662 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2022-11-20 17:45:28,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 17:45:28,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:45:28,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:45:28,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:45:28,755 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:45:29,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:45:29,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 36 states and 43 transitions. [2022-11-20 17:45:29,097 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2022-11-20 17:45:29,097 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:45:29,097 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 21 iterations. [2022-11-20 17:45:29,106 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-20 17:45:29,356 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:45:29,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:45:29 ImpRootNode [2022-11-20 17:45:29,362 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:45:29,363 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:45:29,363 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:45:29,363 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:45:29,364 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:45:23" (3/4) ... [2022-11-20 17:45:29,371 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:45:29,384 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 17:45:29,386 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 17:45:29,390 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-11-20 17:45:29,391 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 17:45:29,392 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 17:45:29,392 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:45:29,467 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d19243-21bc-4e1c-bdd6-6377702c5e97/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:45:29,470 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:45:29,471 INFO L158 Benchmark]: Toolchain (without parser) took 7996.59ms. Allocated memory was 190.8MB in the beginning and 257.9MB in the end (delta: 67.1MB). Free memory was 141.7MB in the beginning and 127.0MB in the end (delta: 14.7MB). Peak memory consumption was 82.9MB. Max. memory is 16.1GB. [2022-11-20 17:45:29,472 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 132.1MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:45:29,472 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1449.69ms. Allocated memory is still 190.8MB. Free memory was 141.7MB in the beginning and 124.1MB in the end (delta: 17.6MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2022-11-20 17:45:29,473 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.46ms. Allocated memory is still 190.8MB. Free memory was 124.1MB in the beginning and 121.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:45:29,473 INFO L158 Benchmark]: Boogie Preprocessor took 50.97ms. Allocated memory is still 190.8MB. Free memory was 121.0MB in the beginning and 118.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:45:29,474 INFO L158 Benchmark]: RCFGBuilder took 507.12ms. Allocated memory is still 190.8MB. Free memory was 118.9MB in the beginning and 102.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 17:45:29,474 INFO L158 Benchmark]: CodeCheck took 5787.51ms. Allocated memory was 190.8MB in the beginning and 257.9MB in the end (delta: 67.1MB). Free memory was 102.1MB in the beginning and 130.1MB in the end (delta: -28.0MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2022-11-20 17:45:29,475 INFO L158 Benchmark]: Witness Printer took 107.31ms. Allocated memory is still 257.9MB. Free memory was 130.1MB in the beginning and 127.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:45:29,477 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 3 procedures, 49 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 5.5s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2706 SdHoareTripleChecker+Valid, 4.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 888 mSDsluCounter, 1606 SdHoareTripleChecker+Invalid, 3.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 518 mSDsCounter, 528 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2546 IncrementalHoareTripleChecker+Invalid, 3074 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 528 mSolverCounterUnsat, 1088 mSDtfsCounter, 2546 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3722 GetRequests, 3602 SyntacticMatches, 8 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5284 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 408 NumberOfCodeBlocks, 408 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 388 ConstructedInterpolants, 0 QuantifiedInterpolants, 719 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 58/58 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: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1650]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 132.1MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1449.69ms. Allocated memory is still 190.8MB. Free memory was 141.7MB in the beginning and 124.1MB in the end (delta: 17.6MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.46ms. Allocated memory is still 190.8MB. Free memory was 124.1MB in the beginning and 121.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.97ms. Allocated memory is still 190.8MB. Free memory was 121.0MB in the beginning and 118.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 507.12ms. Allocated memory is still 190.8MB. Free memory was 118.9MB in the beginning and 102.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 5787.51ms. Allocated memory was 190.8MB in the beginning and 257.9MB in the end (delta: 67.1MB). Free memory was 102.1MB in the beginning and 130.1MB in the end (delta: -28.0MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. * Witness Printer took 107.31ms. Allocated memory is still 257.9MB. Free memory was 130.1MB in the beginning and 127.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:45:29,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d19243-21bc-4e1c-bdd6-6377702c5e97/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