./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_03_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_b6b35f42-7d00-4ddf-b25d-574c457db33b/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b35f42-7d00-4ddf-b25d-574c457db33b/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b35f42-7d00-4ddf-b25d-574c457db33b/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b35f42-7d00-4ddf-b25d-574c457db33b/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_03_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b35f42-7d00-4ddf-b25d-574c457db33b/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b35f42-7d00-4ddf-b25d-574c457db33b/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --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 b0d054c92773363c15a81666e24e861c2af3103745210849d2e1741380727a1f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:24:47,430 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:24:47,544 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b35f42-7d00-4ddf-b25d-574c457db33b/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:24:47,548 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:24:47,554 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:24:47,589 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:24:47,591 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:24:47,592 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:24:47,593 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:24:47,598 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:24:47,599 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:24:47,600 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:24:47,600 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:24:47,602 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:24:47,602 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:24:47,603 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:24:47,603 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:24:47,604 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:24:47,604 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:24:47,605 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:24:47,605 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:24:47,606 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:24:47,606 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:24:47,607 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:24:47,607 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:24:47,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:24:47,608 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:24:47,609 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:24:47,609 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:24:47,610 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:24:47,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:24:47,611 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:24:47,611 INFO L153 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_b6b35f42-7d00-4ddf-b25d-574c457db33b/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b35f42-7d00-4ddf-b25d-574c457db33b/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0d054c92773363c15a81666e24e861c2af3103745210849d2e1741380727a1f [2023-11-23 20:24:47,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:24:47,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:24:47,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:24:47,961 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:24:47,961 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:24:47,963 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b35f42-7d00-4ddf-b25d-574c457db33b/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_03_good.i [2023-11-23 20:24:51,502 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:24:51,928 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:24:51,929 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b35f42-7d00-4ddf-b25d-574c457db33b/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_03_good.i [2023-11-23 20:24:51,958 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b35f42-7d00-4ddf-b25d-574c457db33b/bin/ukojak-verify-1t5iHCbJaC/data/3b9e765e5/c3f7efcd5cc84008bf42449a7abab6b5/FLAGb69c13459 [2023-11-23 20:24:51,977 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b35f42-7d00-4ddf-b25d-574c457db33b/bin/ukojak-verify-1t5iHCbJaC/data/3b9e765e5/c3f7efcd5cc84008bf42449a7abab6b5 [2023-11-23 20:24:51,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:24:51,982 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:24:51,984 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:24:51,984 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:24:51,990 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:24:51,991 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:24:51" (1/1) ... [2023-11-23 20:24:51,993 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45a3eee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:51, skipping insertion in model container [2023-11-23 20:24:51,993 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:24:51" (1/1) ... [2023-11-23 20:24:52,081 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:24:52,600 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:24:53,366 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:24:53,383 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:24:53,427 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:24:53,568 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:24:53,761 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:24:53,761 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:24:53,761 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:24:53,762 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:24:53,762 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:24:53,772 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:24:53,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:53 WrapperNode [2023-11-23 20:24:53,773 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:24:53,774 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:24:53,774 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:24:53,775 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:24:53,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:53" (1/1) ... [2023-11-23 20:24:53,854 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:53" (1/1) ... [2023-11-23 20:24:53,917 INFO L138 Inliner]: procedures = 503, calls = 71, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 91 [2023-11-23 20:24:53,919 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:24:53,920 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:24:53,921 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:24:53,921 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:24:53,933 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:53" (1/1) ... [2023-11-23 20:24:53,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:53" (1/1) ... [2023-11-23 20:24:53,947 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:53" (1/1) ... [2023-11-23 20:24:53,947 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:53" (1/1) ... [2023-11-23 20:24:53,961 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:53" (1/1) ... [2023-11-23 20:24:53,973 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:53" (1/1) ... [2023-11-23 20:24:53,978 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:53" (1/1) ... [2023-11-23 20:24:53,991 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:53" (1/1) ... [2023-11-23 20:24:53,995 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:24:53,996 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:24:53,996 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:24:53,996 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:24:53,997 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:53" (1/1) ... [2023-11-23 20:24:54,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:24:54,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b35f42-7d00-4ddf-b25d-574c457db33b/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:24:54,045 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b35f42-7d00-4ddf-b25d-574c457db33b/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:24:54,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b35f42-7d00-4ddf-b25d-574c457db33b/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:24:54,108 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-23 20:24:54,109 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-23 20:24:54,110 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:24:54,110 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:24:54,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:24:54,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:24:54,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:24:54,111 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:24:54,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:24:54,322 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:24:54,325 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:24:54,511 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:24:54,601 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:24:54,606 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-23 20:24:54,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:24:54 BoogieIcfgContainer [2023-11-23 20:24:54,609 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:24:54,611 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:24:54,612 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:24:54,625 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:24:54,626 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:24:54" (1/1) ... [2023-11-23 20:24:54,639 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:24:54,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:54,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 60 transitions. [2023-11-23 20:24:54,728 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2023-11-23 20:24:54,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:24:54,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:54,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:54,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:55,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:24:55,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:55,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 39 states and 49 transitions. [2023-11-23 20:24:55,194 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2023-11-23 20:24:55,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:24:55,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:55,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:55,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:55,356 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:24:55,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:55,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 33 states and 40 transitions. [2023-11-23 20:24:55,396 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2023-11-23 20:24:55,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:24:55,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:55,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:55,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:55,545 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:24:55,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:55,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 35 transitions. [2023-11-23 20:24:55,605 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2023-11-23 20:24:55,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:24:55,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:55,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:55,770 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:24:55,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:55,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 34 transitions. [2023-11-23 20:24:55,793 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2023-11-23 20:24:55,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:24:55,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:55,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:55,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:55,892 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:24:55,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:55,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 32 transitions. [2023-11-23 20:24:55,930 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2023-11-23 20:24:55,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:24:55,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:55,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:55,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:56,006 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:24:56,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:56,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 28 states and 31 transitions. [2023-11-23 20:24:56,031 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2023-11-23 20:24:56,032 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:24:56,032 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2023-11-23 20:24:56,043 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-23 20:24:56,081 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:24:56,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:24:56 ImpRootNode [2023-11-23 20:24:56,087 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:24:56,088 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:24:56,088 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:24:56,088 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:24:56,089 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:24:54" (3/4) ... [2023-11-23 20:24:56,092 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:24:56,096 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-23 20:24:56,097 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-23 20:24:56,104 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-11-23 20:24:56,105 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-23 20:24:56,105 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-23 20:24:56,105 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:24:56,239 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b35f42-7d00-4ddf-b25d-574c457db33b/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:24:56,240 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b35f42-7d00-4ddf-b25d-574c457db33b/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:24:56,240 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:24:56,241 INFO L158 Benchmark]: Toolchain (without parser) took 4259.35ms. Allocated memory is still 174.1MB. Free memory was 126.6MB in the beginning and 82.7MB in the end (delta: 43.9MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2023-11-23 20:24:56,242 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 59.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:24:56,242 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1789.53ms. Allocated memory is still 174.1MB. Free memory was 126.6MB in the beginning and 108.6MB in the end (delta: 18.0MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2023-11-23 20:24:56,243 INFO L158 Benchmark]: Boogie Procedure Inliner took 145.31ms. Allocated memory is still 174.1MB. Free memory was 108.6MB in the beginning and 105.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:24:56,243 INFO L158 Benchmark]: Boogie Preprocessor took 74.78ms. Allocated memory is still 174.1MB. Free memory was 105.6MB in the beginning and 104.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:24:56,244 INFO L158 Benchmark]: RCFGBuilder took 614.79ms. Allocated memory is still 174.1MB. Free memory was 103.5MB in the beginning and 87.6MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 20:24:56,245 INFO L158 Benchmark]: CodeCheck took 1475.91ms. Allocated memory is still 174.1MB. Free memory was 87.6MB in the beginning and 87.8MB in the end (delta: -198.2kB). Peak memory consumption was 775.7kB. Max. memory is 16.1GB. [2023-11-23 20:24:56,245 INFO L158 Benchmark]: Witness Printer took 152.39ms. Allocated memory is still 174.1MB. Free memory was 87.8MB in the beginning and 82.7MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:24:56,248 INFO L338 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, 46 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 317 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 161 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 49 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 104 IncrementalHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 49 mSolverCounterUnsat, 141 mSDtfsCounter, 104 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 715 GetRequests, 707 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 103 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 26/26 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: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: 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: 1646]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 59.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1789.53ms. Allocated memory is still 174.1MB. Free memory was 126.6MB in the beginning and 108.6MB in the end (delta: 18.0MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 145.31ms. Allocated memory is still 174.1MB. Free memory was 108.6MB in the beginning and 105.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.78ms. Allocated memory is still 174.1MB. Free memory was 105.6MB in the beginning and 104.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 614.79ms. Allocated memory is still 174.1MB. Free memory was 103.5MB in the beginning and 87.6MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 1475.91ms. Allocated memory is still 174.1MB. Free memory was 87.6MB in the beginning and 87.8MB in the end (delta: -198.2kB). Peak memory consumption was 775.7kB. Max. memory is 16.1GB. * Witness Printer took 152.39ms. Allocated memory is still 174.1MB. Free memory was 87.8MB in the beginning and 82.7MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-23 20:24:56,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b35f42-7d00-4ddf-b25d-574c457db33b/bin/ukojak-verify-1t5iHCbJaC/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