./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_04_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_d34fe957-735d-4a2f-917b-c359349246bb/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34fe957-735d-4a2f-917b-c359349246bb/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34fe957-735d-4a2f-917b-c359349246bb/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34fe957-735d-4a2f-917b-c359349246bb/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_04_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34fe957-735d-4a2f-917b-c359349246bb/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34fe957-735d-4a2f-917b-c359349246bb/bin/ukojak-verify-afCqCEvfdi --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 b6dfabdcc5f98ccbae393e06f06d77f73327e438beaa2bc55bf708f7ac5c708c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:15:53,411 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:15:53,533 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34fe957-735d-4a2f-917b-c359349246bb/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:15:53,544 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:15:53,545 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:15:53,582 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:15:53,585 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:15:53,585 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:15:53,587 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:15:53,592 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:15:53,593 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:15:53,593 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:15:53,594 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:15:53,595 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:15:53,596 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:15:53,596 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:15:53,597 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:15:53,597 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:15:53,598 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:15:53,598 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:15:53,599 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:15:53,600 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:15:53,601 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:15:53,601 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:15:53,602 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:15:53,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:15:53,603 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:15:53,603 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:15:53,604 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:15:53,604 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:15:53,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:15:53,606 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:15:53,606 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_d34fe957-735d-4a2f-917b-c359349246bb/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34fe957-735d-4a2f-917b-c359349246bb/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6dfabdcc5f98ccbae393e06f06d77f73327e438beaa2bc55bf708f7ac5c708c [2023-11-24 22:15:53,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:15:53,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:15:53,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:15:53,918 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:15:53,918 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:15:53,920 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34fe957-735d-4a2f-917b-c359349246bb/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_04_good.i [2023-11-24 22:15:57,071 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:15:57,515 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:15:57,519 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34fe957-735d-4a2f-917b-c359349246bb/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_04_good.i [2023-11-24 22:15:57,552 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34fe957-735d-4a2f-917b-c359349246bb/bin/ukojak-verify-afCqCEvfdi/data/a8160f0d6/0e4268de616f4021ac10ac1211c4a97d/FLAG83a947b92 [2023-11-24 22:15:57,570 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34fe957-735d-4a2f-917b-c359349246bb/bin/ukojak-verify-afCqCEvfdi/data/a8160f0d6/0e4268de616f4021ac10ac1211c4a97d [2023-11-24 22:15:57,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:15:57,578 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:15:57,582 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:15:57,582 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:15:57,587 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:15:57,588 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:57" (1/1) ... [2023-11-24 22:15:57,590 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@964f5b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:57, skipping insertion in model container [2023-11-24 22:15:57,591 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:57" (1/1) ... [2023-11-24 22:15:57,679 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:15:58,692 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:15:58,704 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:15:58,804 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:15:58,922 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:15:58,922 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:15:58,922 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:15:58,923 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:15:58,931 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:15:58,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:58 WrapperNode [2023-11-24 22:15:58,932 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:15:58,933 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:15:58,933 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:15:58,933 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:15:58,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:58" (1/1) ... [2023-11-24 22:15:58,968 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:58" (1/1) ... [2023-11-24 22:15:59,006 INFO L138 Inliner]: procedures = 502, calls = 70, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 93 [2023-11-24 22:15:59,007 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:15:59,007 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:15:59,008 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:15:59,009 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:15:59,016 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:58" (1/1) ... [2023-11-24 22:15:59,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:58" (1/1) ... [2023-11-24 22:15:59,021 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:58" (1/1) ... [2023-11-24 22:15:59,021 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:58" (1/1) ... [2023-11-24 22:15:59,028 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:58" (1/1) ... [2023-11-24 22:15:59,031 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:58" (1/1) ... [2023-11-24 22:15:59,033 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:58" (1/1) ... [2023-11-24 22:15:59,035 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:58" (1/1) ... [2023-11-24 22:15:59,038 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:15:59,039 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:15:59,040 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:15:59,040 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:15:59,041 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:58" (1/1) ... [2023-11-24 22:15:59,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:15:59,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34fe957-735d-4a2f-917b-c359349246bb/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:15:59,078 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34fe957-735d-4a2f-917b-c359349246bb/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:15:59,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34fe957-735d-4a2f-917b-c359349246bb/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:15:59,119 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-24 22:15:59,119 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-24 22:15:59,119 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:15:59,119 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:15:59,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:15:59,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:15:59,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:15:59,120 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:15:59,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:15:59,274 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:15:59,276 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:15:59,465 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:15:59,523 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:15:59,523 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:15:59,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:59 BoogieIcfgContainer [2023-11-24 22:15:59,525 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:15:59,526 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:15:59,526 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:15:59,542 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:15:59,542 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:59" (1/1) ... [2023-11-24 22:15:59,552 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:15:59,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:59,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2023-11-24 22:15:59,608 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2023-11-24 22:15:59,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:15:59,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:59,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:59,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:00,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:00,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:00,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 47 states and 59 transitions. [2023-11-24 22:16:00,114 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2023-11-24 22:16:00,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:16:00,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:00,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:00,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:00,208 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:16:00,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:00,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 45 states and 55 transitions. [2023-11-24 22:16:00,382 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2023-11-24 22:16:00,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:16:00,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:00,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:00,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:00,589 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:16:00,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:00,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 39 states and 47 transitions. [2023-11-24 22:16:00,672 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2023-11-24 22:16:00,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:16:00,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:00,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:00,797 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:16:01,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:01,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 39 states and 46 transitions. [2023-11-24 22:16:01,121 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2023-11-24 22:16:01,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:16:01,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:01,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:01,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:01,240 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:16:01,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:01,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 41 states and 50 transitions. [2023-11-24 22:16:01,294 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2023-11-24 22:16:01,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:16:01,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:01,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:01,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:01,374 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:16:01,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:01,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 42 states and 51 transitions. [2023-11-24 22:16:01,393 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2023-11-24 22:16:01,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:16:01,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:01,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:01,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:01,470 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:16:01,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:01,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 43 states and 52 transitions. [2023-11-24 22:16:01,717 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2023-11-24 22:16:01,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:16:01,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:01,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:01,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:01,783 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:16:02,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:02,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 35 states and 39 transitions. [2023-11-24 22:16:02,218 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2023-11-24 22:16:02,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:16:02,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:02,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:02,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:02,360 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:16:02,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:02,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 34 states and 38 transitions. [2023-11-24 22:16:02,442 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2023-11-24 22:16:02,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:16:02,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:02,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:02,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:02,544 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:16:02,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:02,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 33 states and 37 transitions. [2023-11-24 22:16:02,568 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2023-11-24 22:16:02,569 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:16:02,570 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2023-11-24 22:16:02,588 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-24 22:16:02,732 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:16:02,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:16:02 ImpRootNode [2023-11-24 22:16:02,738 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:16:02,738 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:16:02,738 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:16:02,740 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:16:02,741 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:59" (3/4) ... [2023-11-24 22:16:02,743 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:16:02,747 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-24 22:16:02,747 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-24 22:16:02,755 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-11-24 22:16:02,756 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-24 22:16:02,757 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-24 22:16:02,757 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:16:02,894 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34fe957-735d-4a2f-917b-c359349246bb/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:16:02,894 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34fe957-735d-4a2f-917b-c359349246bb/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:16:02,894 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:16:02,895 INFO L158 Benchmark]: Toolchain (without parser) took 5316.87ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 121.4MB in the beginning and 123.0MB in the end (delta: -1.5MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2023-11-24 22:16:02,896 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 119.5MB. Free memory is still 67.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:16:02,896 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1350.09ms. Allocated memory is still 165.7MB. Free memory was 121.4MB in the beginning and 105.4MB in the end (delta: 16.0MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. [2023-11-24 22:16:02,896 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.35ms. Allocated memory is still 165.7MB. Free memory was 105.4MB in the beginning and 102.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:16:02,897 INFO L158 Benchmark]: Boogie Preprocessor took 31.23ms. Allocated memory is still 165.7MB. Free memory was 102.7MB in the beginning and 101.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:16:02,897 INFO L158 Benchmark]: RCFGBuilder took 485.74ms. Allocated memory is still 165.7MB. Free memory was 101.2MB in the beginning and 83.6MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 22:16:02,898 INFO L158 Benchmark]: CodeCheck took 3211.88ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 83.0MB in the beginning and 128.2MB in the end (delta: -45.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:16:02,898 INFO L158 Benchmark]: Witness Printer took 156.21ms. Allocated memory is still 199.2MB. Free memory was 128.2MB in the beginning and 123.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 22:16:02,900 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, 53 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 952 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 249 mSDsluCounter, 719 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 180 mSDsCounter, 182 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 768 IncrementalHoareTripleChecker+Invalid, 950 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 182 mSolverCounterUnsat, 539 mSDtfsCounter, 768 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1649 GetRequests, 1591 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1163 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 210 NumberOfCodeBlocks, 210 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 200 ConstructedInterpolants, 0 QuantifiedInterpolants, 370 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 48/48 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1587]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1587]: 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: 1627]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1627]: 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: 1644]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 119.5MB. Free memory is still 67.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1350.09ms. Allocated memory is still 165.7MB. Free memory was 121.4MB in the beginning and 105.4MB in the end (delta: 16.0MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.35ms. Allocated memory is still 165.7MB. Free memory was 105.4MB in the beginning and 102.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.23ms. Allocated memory is still 165.7MB. Free memory was 102.7MB in the beginning and 101.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 485.74ms. Allocated memory is still 165.7MB. Free memory was 101.2MB in the beginning and 83.6MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 3211.88ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 83.0MB in the beginning and 128.2MB in the end (delta: -45.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 156.21ms. Allocated memory is still 199.2MB. Free memory was 128.2MB in the beginning and 123.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 22:16:02,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34fe957-735d-4a2f-917b-c359349246bb/bin/ukojak-verify-afCqCEvfdi/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