./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_21_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_f60ec029-ce2a-4061-8794-3d00b82c6548/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f60ec029-ce2a-4061-8794-3d00b82c6548/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f60ec029-ce2a-4061-8794-3d00b82c6548/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f60ec029-ce2a-4061-8794-3d00b82c6548/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_21_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f60ec029-ce2a-4061-8794-3d00b82c6548/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f60ec029-ce2a-4061-8794-3d00b82c6548/bin/ukojak-verify-Qdu7aM0XO9 --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 ab3133c4bbd859bcf8a25e28bd8ce3c0eb5cb7673080d00228a390ae0db25b8b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:01:36,168 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:01:36,230 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f60ec029-ce2a-4061-8794-3d00b82c6548/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 04:01:36,234 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:01:36,235 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:01:36,257 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:01:36,258 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:01:36,258 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:01:36,259 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:01:36,259 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:01:36,260 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:01:36,261 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:01:36,261 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:01:36,262 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:01:36,262 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:01:36,263 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:01:36,263 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:01:36,264 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:01:36,264 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:01:36,265 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:01:36,265 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:01:36,267 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:01:36,268 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:01:36,268 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:01:36,269 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:01:36,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:01:36,269 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:01:36,270 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:01:36,270 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:01:36,271 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:01:36,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:01:36,271 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:01:36,272 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_f60ec029-ce2a-4061-8794-3d00b82c6548/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f60ec029-ce2a-4061-8794-3d00b82c6548/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab3133c4bbd859bcf8a25e28bd8ce3c0eb5cb7673080d00228a390ae0db25b8b [2023-12-03 04:01:36,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:01:36,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:01:36,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:01:36,503 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:01:36,503 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:01:36,504 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f60ec029-ce2a-4061-8794-3d00b82c6548/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_21_good.i [2023-12-03 04:01:39,200 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:01:39,542 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:01:39,543 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f60ec029-ce2a-4061-8794-3d00b82c6548/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_21_good.i [2023-12-03 04:01:39,565 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f60ec029-ce2a-4061-8794-3d00b82c6548/bin/ukojak-verify-Qdu7aM0XO9/data/2a22b2bbd/a9306994b4ef444e89f1ea4e4d686d15/FLAG46dd9cdd3 [2023-12-03 04:01:39,577 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f60ec029-ce2a-4061-8794-3d00b82c6548/bin/ukojak-verify-Qdu7aM0XO9/data/2a22b2bbd/a9306994b4ef444e89f1ea4e4d686d15 [2023-12-03 04:01:39,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:01:39,580 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:01:39,582 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:01:39,582 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:01:39,585 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:01:39,586 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:01:39" (1/1) ... [2023-12-03 04:01:39,587 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@382501a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:39, skipping insertion in model container [2023-12-03 04:01:39,587 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:01:39" (1/1) ... [2023-12-03 04:01:39,636 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:01:40,364 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:01:40,375 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:01:40,456 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:01:40,635 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:01:40,635 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:01:40,635 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:01:40,635 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:01:40,641 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:01:40,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:40 WrapperNode [2023-12-03 04:01:40,642 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:01:40,643 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:01:40,643 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:01:40,643 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:01:40,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:40" (1/1) ... [2023-12-03 04:01:40,676 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:40" (1/1) ... [2023-12-03 04:01:40,713 INFO L138 Inliner]: procedures = 504, calls = 69, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 194 [2023-12-03 04:01:40,713 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:01:40,714 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:01:40,715 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:01:40,715 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:01:40,725 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:40" (1/1) ... [2023-12-03 04:01:40,725 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:40" (1/1) ... [2023-12-03 04:01:40,730 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:40" (1/1) ... [2023-12-03 04:01:40,731 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:40" (1/1) ... [2023-12-03 04:01:40,740 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:40" (1/1) ... [2023-12-03 04:01:40,743 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:40" (1/1) ... [2023-12-03 04:01:40,746 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:40" (1/1) ... [2023-12-03 04:01:40,749 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:40" (1/1) ... [2023-12-03 04:01:40,754 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:01:40,755 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:01:40,755 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:01:40,755 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:01:40,756 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:40" (1/1) ... [2023-12-03 04:01:40,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:01:40,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f60ec029-ce2a-4061-8794-3d00b82c6548/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:01:40,805 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f60ec029-ce2a-4061-8794-3d00b82c6548/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:01:40,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f60ec029-ce2a-4061-8794-3d00b82c6548/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:01:40,837 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-12-03 04:01:40,837 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-12-03 04:01:40,837 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 04:01:40,837 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 04:01:40,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:01:40,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:01:40,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:01:40,838 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 04:01:40,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:01:40,972 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:01:40,974 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:01:41,270 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:01:41,484 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:01:41,485 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 04:01:41,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:01:41 BoogieIcfgContainer [2023-12-03 04:01:41,486 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:01:41,487 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:01:41,487 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:01:41,497 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:01:41,498 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:01:41" (1/1) ... [2023-12-03 04:01:41,507 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:01:41,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:41,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 42 states and 52 transitions. [2023-12-03 04:01:41,554 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2023-12-03 04:01:41,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 04:01:41,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:41,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:01:41,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:41,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:01:42,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:42,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 51 transitions. [2023-12-03 04:01:42,022 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2023-12-03 04:01:42,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 04:01:42,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:42,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:01:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:42,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:01:42,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:42,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 40 states and 50 transitions. [2023-12-03 04:01:42,121 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 50 transitions. [2023-12-03 04:01:42,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 04:01:42,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:42,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:01:42,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:42,192 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:01:42,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:42,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 38 states and 46 transitions. [2023-12-03 04:01:42,285 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2023-12-03 04:01:42,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 04:01:42,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:42,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:01:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:42,475 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:01:42,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:42,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 45 transitions. [2023-12-03 04:01:42,515 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2023-12-03 04:01:42,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 04:01:42,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:42,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:01:42,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:42,597 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:01:42,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:42,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 44 transitions. [2023-12-03 04:01:42,699 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2023-12-03 04:01:42,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 04:01:42,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:42,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:01:42,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:42,766 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:01:42,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:42,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 43 transitions. [2023-12-03 04:01:42,841 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2023-12-03 04:01:42,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 04:01:42,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:42,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:01:42,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:42,955 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 04:01:42,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:42,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 42 transitions. [2023-12-03 04:01:42,988 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2023-12-03 04:01:42,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 04:01:42,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:42,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:01:43,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:43,088 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 04:01:43,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:43,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 41 transitions. [2023-12-03 04:01:43,100 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2023-12-03 04:01:43,101 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 04:01:43,101 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2023-12-03 04:01:43,109 INFO L751 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2023-12-03 04:01:43,149 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:01:43,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:01:43 ImpRootNode [2023-12-03 04:01:43,153 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:01:43,153 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:01:43,154 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:01:43,154 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:01:43,154 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:01:41" (3/4) ... [2023-12-03 04:01:43,156 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 04:01:43,158 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-12-03 04:01:43,159 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-12-03 04:01:43,167 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2023-12-03 04:01:43,167 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-12-03 04:01:43,168 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 04:01:43,169 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 04:01:43,268 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f60ec029-ce2a-4061-8794-3d00b82c6548/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 04:01:43,269 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f60ec029-ce2a-4061-8794-3d00b82c6548/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 04:01:43,269 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:01:43,270 INFO L158 Benchmark]: Toolchain (without parser) took 3689.35ms. Allocated memory was 161.5MB in the beginning and 197.1MB in the end (delta: 35.7MB). Free memory was 121.2MB in the beginning and 124.1MB in the end (delta: -2.8MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. [2023-12-03 04:01:43,270 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 161.5MB. Free memory is still 132.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:01:43,271 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1060.51ms. Allocated memory was 161.5MB in the beginning and 197.1MB in the end (delta: 35.7MB). Free memory was 121.2MB in the beginning and 159.9MB in the end (delta: -38.6MB). Peak memory consumption was 79.9MB. Max. memory is 16.1GB. [2023-12-03 04:01:43,271 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.05ms. Allocated memory is still 197.1MB. Free memory was 159.9MB in the beginning and 156.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:01:43,272 INFO L158 Benchmark]: Boogie Preprocessor took 39.59ms. Allocated memory is still 197.1MB. Free memory was 156.7MB in the beginning and 154.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:01:43,272 INFO L158 Benchmark]: RCFGBuilder took 731.69ms. Allocated memory is still 197.1MB. Free memory was 154.6MB in the beginning and 89.6MB in the end (delta: 65.0MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2023-12-03 04:01:43,273 INFO L158 Benchmark]: CodeCheck took 1666.03ms. Allocated memory is still 197.1MB. Free memory was 89.6MB in the beginning and 131.3MB in the end (delta: -41.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:01:43,273 INFO L158 Benchmark]: Witness Printer took 115.71ms. Allocated memory is still 197.1MB. Free memory was 131.3MB in the beginning and 124.1MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 04:01:43,274 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, 42 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 424 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 88 mSDsluCounter, 248 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 100 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 278 IncrementalHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 100 mSolverCounterUnsat, 218 mSDtfsCounter, 278 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 815 GetRequests, 789 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 121 NumberOfCodeBlocks, 121 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 113 ConstructedInterpolants, 0 QuantifiedInterpolants, 159 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 20/20 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: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 1633]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 161.5MB. Free memory is still 132.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1060.51ms. Allocated memory was 161.5MB in the beginning and 197.1MB in the end (delta: 35.7MB). Free memory was 121.2MB in the beginning and 159.9MB in the end (delta: -38.6MB). Peak memory consumption was 79.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.05ms. Allocated memory is still 197.1MB. Free memory was 159.9MB in the beginning and 156.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.59ms. Allocated memory is still 197.1MB. Free memory was 156.7MB in the beginning and 154.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 731.69ms. Allocated memory is still 197.1MB. Free memory was 154.6MB in the beginning and 89.6MB in the end (delta: 65.0MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * CodeCheck took 1666.03ms. Allocated memory is still 197.1MB. Free memory was 89.6MB in the beginning and 131.3MB in the end (delta: -41.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 115.71ms. Allocated memory is still 197.1MB. Free memory was 131.3MB in the beginning and 124.1MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 04:01:43,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f60ec029-ce2a-4061-8794-3d00b82c6548/bin/ukojak-verify-Qdu7aM0XO9/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