./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_17_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_bcfe18c9-720d-4e1c-a6ed-6ccd8eafe1f1/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfe18c9-720d-4e1c-a6ed-6ccd8eafe1f1/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_bcfe18c9-720d-4e1c-a6ed-6ccd8eafe1f1/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfe18c9-720d-4e1c-a6ed-6ccd8eafe1f1/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfe18c9-720d-4e1c-a6ed-6ccd8eafe1f1/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_bcfe18c9-720d-4e1c-a6ed-6ccd8eafe1f1/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 7769e2cb1241ce193327f3081ef594a62cf8a609eb0db6e89ed527de779b57ea --- 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 16:58:02,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:58:02,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:58:02,291 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:58:02,292 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:58:02,296 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:58:02,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:58:02,301 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:58:02,303 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:58:02,308 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:58:02,310 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:58:02,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:58:02,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:58:02,315 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:58:02,316 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:58:02,318 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:58:02,320 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:58:02,321 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:58:02,323 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:58:02,329 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:58:02,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:58:02,333 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:58:02,334 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:58:02,335 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:58:02,344 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:58:02,346 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:58:02,346 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:58:02,347 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:58:02,348 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:58:02,349 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:58:02,350 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:58:02,351 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:58:02,352 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:58:02,355 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:58:02,356 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:58:02,356 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:58:02,357 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:58:02,357 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:58:02,358 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:58:02,359 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:58:02,360 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:58:02,361 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfe18c9-720d-4e1c-a6ed-6ccd8eafe1f1/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 16:58:02,400 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:58:02,401 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:58:02,402 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:58:02,402 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:58:02,403 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:58:02,404 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:58:02,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:58:02,404 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:58:02,405 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:58:02,405 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:58:02,406 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:58:02,406 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:58:02,407 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:58:02,407 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:58:02,407 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:58:02,407 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:58:02,408 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:58:02,408 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:58:02,408 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:58:02,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:58:02,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:58:02,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:58:02,409 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:58:02,410 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:58:02,410 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:58:02,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:58:02,410 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:58:02,411 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_bcfe18c9-720d-4e1c-a6ed-6ccd8eafe1f1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfe18c9-720d-4e1c-a6ed-6ccd8eafe1f1/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7769e2cb1241ce193327f3081ef594a62cf8a609eb0db6e89ed527de779b57ea [2022-11-20 16:58:02,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:58:02,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:58:02,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:58:02,767 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:58:02,767 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:58:02,769 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfe18c9-720d-4e1c-a6ed-6ccd8eafe1f1/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_17_good.i [2022-11-20 16:58:05,875 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:58:06,303 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:58:06,304 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfe18c9-720d-4e1c-a6ed-6ccd8eafe1f1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_17_good.i [2022-11-20 16:58:06,335 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfe18c9-720d-4e1c-a6ed-6ccd8eafe1f1/bin/ukojak-pZX7IvK2PQ/data/50ba77a87/be0c591da39d4bfc90c50ae5c98439ec/FLAGc1795f94e [2022-11-20 16:58:06,353 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfe18c9-720d-4e1c-a6ed-6ccd8eafe1f1/bin/ukojak-pZX7IvK2PQ/data/50ba77a87/be0c591da39d4bfc90c50ae5c98439ec [2022-11-20 16:58:06,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:58:06,357 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:58:06,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:58:06,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:58:06,363 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:58:06,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:58:06" (1/1) ... [2022-11-20 16:58:06,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@466905e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:58:06, skipping insertion in model container [2022-11-20 16:58:06,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:58:06" (1/1) ... [2022-11-20 16:58:06,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:58:06,445 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:58:06,820 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:58:07,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:58:07,356 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:58:07,377 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:58:07,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:58:07,572 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:58:07,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:58:07 WrapperNode [2022-11-20 16:58:07,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:58:07,574 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:58:07,574 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:58:07,574 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:58:07,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:58:07" (1/1) ... [2022-11-20 16:58:07,612 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:58:07" (1/1) ... [2022-11-20 16:58:07,666 INFO L138 Inliner]: procedures = 501, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 114 [2022-11-20 16:58:07,666 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:58:07,667 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:58:07,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:58:07,668 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:58:07,678 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:58:07" (1/1) ... [2022-11-20 16:58:07,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:58:07" (1/1) ... [2022-11-20 16:58:07,692 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:58:07" (1/1) ... [2022-11-20 16:58:07,692 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:58:07" (1/1) ... [2022-11-20 16:58:07,699 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:58:07" (1/1) ... [2022-11-20 16:58:07,724 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:58:07" (1/1) ... [2022-11-20 16:58:07,726 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:58:07" (1/1) ... [2022-11-20 16:58:07,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:58:07" (1/1) ... [2022-11-20 16:58:07,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:58:07,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:58:07,731 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:58:07,731 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:58:07,731 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:58:07" (1/1) ... [2022-11-20 16:58:07,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:58:07,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfe18c9-720d-4e1c-a6ed-6ccd8eafe1f1/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:58:07,782 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfe18c9-720d-4e1c-a6ed-6ccd8eafe1f1/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:58:07,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfe18c9-720d-4e1c-a6ed-6ccd8eafe1f1/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:58:07,824 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 16:58:07,824 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 16:58:07,824 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 16:58:07,824 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 16:58:07,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:58:07,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:58:07,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:58:07,825 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 16:58:07,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:58:07,995 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:58:07,997 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:58:08,307 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:58:08,393 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:58:08,393 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-20 16:58:08,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:58:08 BoogieIcfgContainer [2022-11-20 16:58:08,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:58:08,397 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:58:08,397 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:58:08,408 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:58:08,408 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:58:08" (1/1) ... [2022-11-20 16:58:08,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:58:08,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:58:08,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 44 states and 51 transitions. [2022-11-20 16:58:08,483 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2022-11-20 16:58:08,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 16:58:08,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:58:08,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:58:08,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:58:08,997 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 16:58:09,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:58:09,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 46 states and 54 transitions. [2022-11-20 16:58:09,104 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2022-11-20 16:58:09,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 16:58:09,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:58:09,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:58:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:58:09,283 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 16:58:09,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:58:09,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 47 states and 55 transitions. [2022-11-20 16:58:09,300 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2022-11-20 16:58:09,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 16:58:09,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:58:09,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:58:09,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:58:09,512 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:58:09,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:58:09,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 43 states and 49 transitions. [2022-11-20 16:58:09,586 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2022-11-20 16:58:09,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 16:58:09,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:58:09,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:58:09,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:58:09,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 16:58:09,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:58:09,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 44 states and 51 transitions. [2022-11-20 16:58:09,756 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2022-11-20 16:58:09,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 16:58:09,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:58:09,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:58:09,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:58:09,931 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:58:10,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:58:10,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 47 states and 56 transitions. [2022-11-20 16:58:10,191 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2022-11-20 16:58:10,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 16:58:10,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:58:10,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:58:10,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:58:10,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 16:58:10,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:58:10,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 46 states and 55 transitions. [2022-11-20 16:58:10,349 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2022-11-20 16:58:10,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 16:58:10,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:58:10,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:58:10,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:58:10,462 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 16:58:10,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:58:10,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 50 states and 62 transitions. [2022-11-20 16:58:10,581 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2022-11-20 16:58:10,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 16:58:10,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:58:10,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:58:10,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:58:10,685 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 16:58:10,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:58:10,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 51 states and 63 transitions. [2022-11-20 16:58:10,712 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2022-11-20 16:58:10,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 16:58:10,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:58:10,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:58:10,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:58:10,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 16:58:11,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:58:11,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 54 states and 67 transitions. [2022-11-20 16:58:11,010 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2022-11-20 16:58:11,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 16:58:11,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:58:11,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:58:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:58:11,153 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 16:58:11,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:58:11,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 56 states and 70 transitions. [2022-11-20 16:58:11,230 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2022-11-20 16:58:11,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 16:58:11,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:58:11,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:58:11,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:58:11,272 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 16:58:11,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:58:11,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 60 states and 77 transitions. [2022-11-20 16:58:11,537 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2022-11-20 16:58:11,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 16:58:11,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:58:11,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:58:11,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:58:11,610 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 16:58:11,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:58:11,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 61 states and 78 transitions. [2022-11-20 16:58:11,624 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2022-11-20 16:58:11,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 16:58:11,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:58:11,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:58:11,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:58:11,723 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 16:58:11,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:58:11,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 62 states and 79 transitions. [2022-11-20 16:58:11,923 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2022-11-20 16:58:11,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 16:58:11,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:58:11,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:58:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:58:12,048 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 16:58:12,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:58:12,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 58 states and 73 transitions. [2022-11-20 16:58:12,189 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2022-11-20 16:58:12,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 16:58:12,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:58:12,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:58:12,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:58:12,267 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 16:58:12,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:58:12,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 43 states and 48 transitions. [2022-11-20 16:58:12,430 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2022-11-20 16:58:12,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 16:58:12,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:58:12,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:58:12,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:58:12,538 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 16:58:12,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:58:12,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 45 states and 52 transitions. [2022-11-20 16:58:12,949 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2022-11-20 16:58:12,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 16:58:12,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:58:12,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:58:12,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:58:13,052 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 16:58:13,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:58:13,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 48 states and 57 transitions. [2022-11-20 16:58:13,621 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2022-11-20 16:58:13,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 16:58:13,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:58:13,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:58:13,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:58:13,828 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 16:58:14,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:58:14,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 54 states and 67 transitions. [2022-11-20 16:58:14,412 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2022-11-20 16:58:14,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 16:58:14,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:58:14,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:58:14,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:58:14,482 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 16:58:14,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:58:14,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 55 states and 70 transitions. [2022-11-20 16:58:14,507 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2022-11-20 16:58:14,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 16:58:14,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:58:14,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:58:14,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:58:14,669 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 16:58:14,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:58:14,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 56 states and 71 transitions. [2022-11-20 16:58:14,990 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 71 transitions. [2022-11-20 16:58:14,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 16:58:14,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:58:14,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:58:15,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:58:15,071 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 16:58:15,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:58:15,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 57 states and 72 transitions. [2022-11-20 16:58:15,311 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2022-11-20 16:58:15,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-20 16:58:15,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:58:15,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:58:15,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:58:15,427 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 16:58:15,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:58:15,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 42 states and 48 transitions. [2022-11-20 16:58:15,685 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2022-11-20 16:58:15,685 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 16:58:15,685 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 23 iterations. [2022-11-20 16:58:15,694 INFO L754 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2022-11-20 16:58:15,826 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2022-11-20 16:58:15,845 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 16:58:15,845 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 16:58:15,845 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2022-11-20 16:58:15,846 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 16:58:15,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:58:15 ImpRootNode [2022-11-20 16:58:15,846 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:58:15,847 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:58:15,847 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:58:15,848 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:58:15,848 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:58:08" (3/4) ... [2022-11-20 16:58:15,853 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 16:58:15,861 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 16:58:15,861 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 16:58:15,868 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-20 16:58:15,869 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-20 16:58:15,869 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 16:58:15,869 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 16:58:15,933 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfe18c9-720d-4e1c-a6ed-6ccd8eafe1f1/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 16:58:15,933 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:58:15,933 INFO L158 Benchmark]: Toolchain (without parser) took 9576.27ms. Allocated memory was 146.8MB in the beginning and 211.8MB in the end (delta: 65.0MB). Free memory was 116.1MB in the beginning and 115.1MB in the end (delta: 981.4kB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2022-11-20 16:58:15,934 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 117.4MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:58:15,934 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1213.24ms. Allocated memory is still 146.8MB. Free memory was 115.7MB in the beginning and 53.6MB in the end (delta: 62.1MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2022-11-20 16:58:15,934 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.43ms. Allocated memory is still 146.8MB. Free memory was 53.6MB in the beginning and 50.2MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 16:58:15,940 INFO L158 Benchmark]: Boogie Preprocessor took 62.54ms. Allocated memory is still 146.8MB. Free memory was 50.2MB in the beginning and 48.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:58:15,941 INFO L158 Benchmark]: RCFGBuilder took 665.70ms. Allocated memory is still 146.8MB. Free memory was 48.1MB in the beginning and 109.4MB in the end (delta: -61.3MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2022-11-20 16:58:15,941 INFO L158 Benchmark]: CodeCheck took 7449.44ms. Allocated memory was 146.8MB in the beginning and 211.8MB in the end (delta: 65.0MB). Free memory was 109.4MB in the beginning and 118.2MB in the end (delta: -8.8MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. [2022-11-20 16:58:15,941 INFO L158 Benchmark]: Witness Printer took 86.26ms. Allocated memory is still 211.8MB. Free memory was 118.2MB in the beginning and 115.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:58:15,943 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, 44 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 7.3s, OverallIterations: 23, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1540 SdHoareTripleChecker+Valid, 5.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 631 mSDsluCounter, 485 SdHoareTripleChecker+Invalid, 4.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 96 mSDsCounter, 830 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3121 IncrementalHoareTripleChecker+Invalid, 3951 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 830 mSolverCounterUnsat, 389 mSDtfsCounter, 3121 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3250 GetRequests, 3135 SyntacticMatches, 1 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4433 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 459 NumberOfCodeBlocks, 459 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 437 ConstructedInterpolants, 0 QuantifiedInterpolants, 707 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 15 PerfectInterpolantSequences, 88/95 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: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1583]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1583]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1580]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1580]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 1553]: Loop Invariant Derived loop invariant: (1 <= i && data <= 2147483647) || i == 0 - InvariantResult [Line: 1580]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1599]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1576]: Loop Invariant Derived loop invariant: h == 0 || ((1 <= h && data + 2 <= 0) && 0 <= data + 2) - InvariantResult [Line: 1557]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 117.4MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1213.24ms. Allocated memory is still 146.8MB. Free memory was 115.7MB in the beginning and 53.6MB in the end (delta: 62.1MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.43ms. Allocated memory is still 146.8MB. Free memory was 53.6MB in the beginning and 50.2MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.54ms. Allocated memory is still 146.8MB. Free memory was 50.2MB in the beginning and 48.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 665.70ms. Allocated memory is still 146.8MB. Free memory was 48.1MB in the beginning and 109.4MB in the end (delta: -61.3MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * CodeCheck took 7449.44ms. Allocated memory was 146.8MB in the beginning and 211.8MB in the end (delta: 65.0MB). Free memory was 109.4MB in the beginning and 118.2MB in the end (delta: -8.8MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. * Witness Printer took 86.26ms. Allocated memory is still 211.8MB. Free memory was 118.2MB in the beginning and 115.1MB 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 16:58:15,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfe18c9-720d-4e1c-a6ed-6ccd8eafe1f1/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