./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_44_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_5ee1dced-0f71-48af-8ce5-4001b2106356/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee1dced-0f71-48af-8ce5-4001b2106356/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_5ee1dced-0f71-48af-8ce5-4001b2106356/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee1dced-0f71-48af-8ce5-4001b2106356/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_44_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee1dced-0f71-48af-8ce5-4001b2106356/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_5ee1dced-0f71-48af-8ce5-4001b2106356/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 f6d4f95d46f925eca21fc2f5b3cd1fe5bc6cd8855db4ea014794fdfc2ae36764 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:26:18,573 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:26:18,658 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee1dced-0f71-48af-8ce5-4001b2106356/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:26:18,671 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:26:18,671 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:26:18,717 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:26:18,718 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:26:18,718 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:26:18,720 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:26:18,725 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:26:18,726 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:26:18,727 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:26:18,727 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:26:18,729 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:26:18,729 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:26:18,730 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:26:18,730 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:26:18,731 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:26:18,731 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:26:18,731 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:26:18,732 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:26:18,733 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:26:18,733 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:26:18,733 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:26:18,734 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:26:18,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:26:18,735 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:26:18,735 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:26:18,735 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:26:18,736 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:26:18,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:26:18,737 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:26:18,737 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_5ee1dced-0f71-48af-8ce5-4001b2106356/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee1dced-0f71-48af-8ce5-4001b2106356/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6d4f95d46f925eca21fc2f5b3cd1fe5bc6cd8855db4ea014794fdfc2ae36764 [2023-11-23 20:26:19,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:26:19,048 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:26:19,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:26:19,052 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:26:19,053 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:26:19,056 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee1dced-0f71-48af-8ce5-4001b2106356/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_44_good.i [2023-11-23 20:26:22,252 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:26:22,695 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:26:22,696 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee1dced-0f71-48af-8ce5-4001b2106356/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_44_good.i [2023-11-23 20:26:22,723 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee1dced-0f71-48af-8ce5-4001b2106356/bin/ukojak-verify-1t5iHCbJaC/data/a605ffd1f/46449d20a0cc405e9dd7917f5b4314c7/FLAG9339571b3 [2023-11-23 20:26:22,738 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee1dced-0f71-48af-8ce5-4001b2106356/bin/ukojak-verify-1t5iHCbJaC/data/a605ffd1f/46449d20a0cc405e9dd7917f5b4314c7 [2023-11-23 20:26:22,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:26:22,743 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:26:22,745 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:26:22,745 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:26:22,750 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:26:22,751 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:26:22" (1/1) ... [2023-11-23 20:26:22,752 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dd3e511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:22, skipping insertion in model container [2023-11-23 20:26:22,752 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:26:22" (1/1) ... [2023-11-23 20:26:22,830 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:26:23,291 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:26:23,882 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:26:23,899 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:26:23,931 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:26:24,036 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:26:24,202 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:26:24,202 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:26:24,203 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:26:24,203 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:26:24,203 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:26:24,203 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:26:24,212 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:26:24,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:24 WrapperNode [2023-11-23 20:26:24,213 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:26:24,214 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:26:24,214 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:26:24,215 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:26:24,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:24" (1/1) ... [2023-11-23 20:26:24,266 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:24" (1/1) ... [2023-11-23 20:26:24,299 INFO L138 Inliner]: procedures = 504, calls = 65, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 57 [2023-11-23 20:26:24,300 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:26:24,301 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:26:24,301 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:26:24,301 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:26:24,313 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:24" (1/1) ... [2023-11-23 20:26:24,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:24" (1/1) ... [2023-11-23 20:26:24,317 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:24" (1/1) ... [2023-11-23 20:26:24,317 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:24" (1/1) ... [2023-11-23 20:26:24,323 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:24" (1/1) ... [2023-11-23 20:26:24,325 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:24" (1/1) ... [2023-11-23 20:26:24,327 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:24" (1/1) ... [2023-11-23 20:26:24,328 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:24" (1/1) ... [2023-11-23 20:26:24,332 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:26:24,333 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:26:24,333 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:26:24,333 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:26:24,334 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:24" (1/1) ... [2023-11-23 20:26:24,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:26:24,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee1dced-0f71-48af-8ce5-4001b2106356/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:26:24,370 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee1dced-0f71-48af-8ce5-4001b2106356/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:26:24,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee1dced-0f71-48af-8ce5-4001b2106356/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:26:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-23 20:26:24,405 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-23 20:26:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:26:24,405 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:26:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:26:24,406 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-23 20:26:24,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-23 20:26:24,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:26:24,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:26:24,406 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:26:24,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:26:24,556 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:26:24,560 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:26:24,685 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:26:24,722 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:26:24,723 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:26:24,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:26:24 BoogieIcfgContainer [2023-11-23 20:26:24,724 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:26:24,725 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:26:24,726 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:26:24,737 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:26:24,737 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:26:24" (1/1) ... [2023-11-23 20:26:24,746 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:26:24,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:24,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions. [2023-11-23 20:26:24,805 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2023-11-23 20:26:24,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:26:24,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:24,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:25,245 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 20:26:25,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:25,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 36 states and 43 transitions. [2023-11-23 20:26:25,340 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2023-11-23 20:26:25,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:26:25,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:25,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:25,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:25,487 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 20:26:25,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:25,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 38 states and 45 transitions. [2023-11-23 20:26:25,550 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2023-11-23 20:26:25,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:26:25,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:25,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:25,680 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 20:26:25,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:25,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 39 states and 46 transitions. [2023-11-23 20:26:25,710 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2023-11-23 20:26:25,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:26:25,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:25,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:25,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:25,874 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 20:26:25,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:25,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 40 states and 47 transitions. [2023-11-23 20:26:25,914 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2023-11-23 20:26:25,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:26:25,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:25,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:25,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:26,064 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:26:26,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:26,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 39 states and 45 transitions. [2023-11-23 20:26:26,360 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2023-11-23 20:26:26,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:26:26,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:26,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:26,455 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:26:26,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:26,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 35 states and 40 transitions. [2023-11-23 20:26:26,569 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2023-11-23 20:26:26,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:26:26,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:26,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:26,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:26,776 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:26:27,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:27,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 32 states and 36 transitions. [2023-11-23 20:26:27,307 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2023-11-23 20:26:27,308 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:26:27,308 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2023-11-23 20:26:27,318 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-23 20:26:27,376 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:26:27,381 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:26:27 ImpRootNode [2023-11-23 20:26:27,381 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:26:27,382 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:26:27,382 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:26:27,382 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:26:27,383 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:26:24" (3/4) ... [2023-11-23 20:26:27,386 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:26:27,390 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-23 20:26:27,390 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-23 20:26:27,391 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2023-11-23 20:26:27,399 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2023-11-23 20:26:27,399 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-23 20:26:27,400 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-23 20:26:27,400 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:26:27,527 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee1dced-0f71-48af-8ce5-4001b2106356/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:26:27,528 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee1dced-0f71-48af-8ce5-4001b2106356/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:26:27,528 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:26:27,529 INFO L158 Benchmark]: Toolchain (without parser) took 4785.79ms. Allocated memory was 163.6MB in the beginning and 203.4MB in the end (delta: 39.8MB). Free memory was 112.7MB in the beginning and 58.9MB in the end (delta: 53.8MB). Peak memory consumption was 94.2MB. Max. memory is 16.1GB. [2023-11-23 20:26:27,529 INFO L158 Benchmark]: CDTParser took 0.82ms. Allocated memory is still 163.6MB. Free memory was 106.7MB in the beginning and 106.6MB in the end (delta: 180.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:26:27,530 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1468.75ms. Allocated memory was 163.6MB in the beginning and 203.4MB in the end (delta: 39.8MB). Free memory was 112.7MB in the beginning and 155.2MB in the end (delta: -42.5MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2023-11-23 20:26:27,530 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.88ms. Allocated memory is still 203.4MB. Free memory was 155.2MB in the beginning and 152.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:26:27,531 INFO L158 Benchmark]: Boogie Preprocessor took 31.26ms. Allocated memory is still 203.4MB. Free memory was 152.1MB in the beginning and 150.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:26:27,531 INFO L158 Benchmark]: RCFGBuilder took 392.08ms. Allocated memory is still 203.4MB. Free memory was 150.0MB in the beginning and 135.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 20:26:27,532 INFO L158 Benchmark]: CodeCheck took 2655.56ms. Allocated memory is still 203.4MB. Free memory was 135.3MB in the beginning and 63.1MB in the end (delta: 72.2MB). Peak memory consumption was 71.1MB. Max. memory is 16.1GB. [2023-11-23 20:26:27,532 INFO L158 Benchmark]: Witness Printer took 146.55ms. Allocated memory is still 203.4MB. Free memory was 63.1MB in the beginning and 58.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:26:27,534 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 4 procedures, 33 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 223 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 109 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 131 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 343 IncrementalHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 131 mSolverCounterUnsat, 109 mSDtfsCounter, 343 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 780 GetRequests, 733 SyntacticMatches, 3 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 371 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 105 NumberOfCodeBlocks, 105 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 98 ConstructedInterpolants, 0 QuantifiedInterpolants, 174 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 9/9 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1567]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1567]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1551]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1551]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1593]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.82ms. Allocated memory is still 163.6MB. Free memory was 106.7MB in the beginning and 106.6MB in the end (delta: 180.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1468.75ms. Allocated memory was 163.6MB in the beginning and 203.4MB in the end (delta: 39.8MB). Free memory was 112.7MB in the beginning and 155.2MB in the end (delta: -42.5MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.88ms. Allocated memory is still 203.4MB. Free memory was 155.2MB in the beginning and 152.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.26ms. Allocated memory is still 203.4MB. Free memory was 152.1MB in the beginning and 150.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 392.08ms. Allocated memory is still 203.4MB. Free memory was 150.0MB in the beginning and 135.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 2655.56ms. Allocated memory is still 203.4MB. Free memory was 135.3MB in the beginning and 63.1MB in the end (delta: 72.2MB). Peak memory consumption was 71.1MB. Max. memory is 16.1GB. * Witness Printer took 146.55ms. Allocated memory is still 203.4MB. Free memory was 63.1MB in the beginning and 58.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-23 20:26:27,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee1dced-0f71-48af-8ce5-4001b2106356/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