./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Lobnya-Boolean-Reordered-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ab9e0b-1c24-4319-9bb7-c61bb2c0deb0/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ab9e0b-1c24-4319-9bb7-c61bb2c0deb0/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_c5ab9e0b-1c24-4319-9bb7-c61bb2c0deb0/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ab9e0b-1c24-4319-9bb7-c61bb2c0deb0/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Lobnya-Boolean-Reordered-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ab9e0b-1c24-4319-9bb7-c61bb2c0deb0/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_c5ab9e0b-1c24-4319-9bb7-c61bb2c0deb0/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 70e9192ed98be1c98a98d704655daf2c23fe89411c7a078d7ff71796ac189400 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:38:45,424 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:38:45,487 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ab9e0b-1c24-4319-9bb7-c61bb2c0deb0/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 22:38:45,491 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:38:45,491 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:38:45,511 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:38:45,512 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:38:45,513 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:38:45,513 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:38:45,514 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:38:45,514 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:38:45,515 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:38:45,516 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:38:45,516 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:38:45,517 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:38:45,517 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:38:45,518 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:38:45,518 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:38:45,519 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:38:45,519 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:38:45,520 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:38:45,524 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:38:45,525 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:38:45,525 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:38:45,525 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:38:45,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:38:45,526 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:38:45,527 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:38:45,527 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:38:45,528 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:38:45,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:38:45,528 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:38:45,529 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_c5ab9e0b-1c24-4319-9bb7-c61bb2c0deb0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ab9e0b-1c24-4319-9bb7-c61bb2c0deb0/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70e9192ed98be1c98a98d704655daf2c23fe89411c7a078d7ff71796ac189400 [2023-12-02 22:38:45,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:38:45,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:38:45,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:38:45,779 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:38:45,780 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:38:45,781 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ab9e0b-1c24-4319-9bb7-c61bb2c0deb0/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/termination-crafted/Lobnya-Boolean-Reordered-2.c [2023-12-02 22:38:48,504 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:38:48,674 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:38:48,675 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ab9e0b-1c24-4319-9bb7-c61bb2c0deb0/sv-benchmarks/c/termination-crafted/Lobnya-Boolean-Reordered-2.c [2023-12-02 22:38:48,681 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ab9e0b-1c24-4319-9bb7-c61bb2c0deb0/bin/ukojak-verify-Qdu7aM0XO9/data/99f6e53d8/42345c347a7d4862af370ba6a6c0e17d/FLAG03a01d982 [2023-12-02 22:38:48,694 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ab9e0b-1c24-4319-9bb7-c61bb2c0deb0/bin/ukojak-verify-Qdu7aM0XO9/data/99f6e53d8/42345c347a7d4862af370ba6a6c0e17d [2023-12-02 22:38:48,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:38:48,697 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:38:48,698 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:38:48,698 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:38:48,702 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:38:48,703 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:38:48" (1/1) ... [2023-12-02 22:38:48,704 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66ca1b8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:38:48, skipping insertion in model container [2023-12-02 22:38:48,704 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:38:48" (1/1) ... [2023-12-02 22:38:48,719 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:38:48,836 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:38:48,841 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:38:48,852 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:38:48,862 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:38:48,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:38:48 WrapperNode [2023-12-02 22:38:48,863 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:38:48,864 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:38:48,864 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:38:48,864 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:38:48,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:38:48" (1/1) ... [2023-12-02 22:38:48,873 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:38:48" (1/1) ... [2023-12-02 22:38:48,886 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2023-12-02 22:38:48,886 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:38:48,887 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:38:48,887 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:38:48,887 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:38:48,893 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:38:48" (1/1) ... [2023-12-02 22:38:48,893 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:38:48" (1/1) ... [2023-12-02 22:38:48,894 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:38:48" (1/1) ... [2023-12-02 22:38:48,894 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:38:48" (1/1) ... [2023-12-02 22:38:48,896 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:38:48" (1/1) ... [2023-12-02 22:38:48,899 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:38:48" (1/1) ... [2023-12-02 22:38:48,900 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:38:48" (1/1) ... [2023-12-02 22:38:48,901 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:38:48" (1/1) ... [2023-12-02 22:38:48,902 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:38:48,903 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:38:48,903 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:38:48,903 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:38:48,904 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:38:48" (1/1) ... [2023-12-02 22:38:48,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:38:48,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ab9e0b-1c24-4319-9bb7-c61bb2c0deb0/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:38:48,929 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ab9e0b-1c24-4319-9bb7-c61bb2c0deb0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:38:48,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ab9e0b-1c24-4319-9bb7-c61bb2c0deb0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:38:48,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:38:48,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:38:49,042 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:38:49,044 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:38:49,116 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:38:49,140 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:38:49,140 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:38:49,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:38:49 BoogieIcfgContainer [2023-12-02 22:38:49,141 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:38:49,142 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:38:49,142 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:38:49,151 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:38:49,151 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:38:49" (1/1) ... [2023-12-02 22:38:49,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:38:49,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:38:49,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2023-12-02 22:38:49,209 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2023-12-02 22:38:49,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 22:38:49,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:38:49,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:38:49,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:38:49,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:38:49,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:38:49,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2023-12-02 22:38:49,373 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2023-12-02 22:38:49,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 22:38:49,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:38:49,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:38:49,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:38:49,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:38:49,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:38:49,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2023-12-02 22:38:49,508 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2023-12-02 22:38:49,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:38:49,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:38:49,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:38:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:38:49,600 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:38:49,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:38:49,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-02 22:38:49,700 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-02 22:38:49,700 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 22:38:49,700 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2023-12-02 22:38:49,709 INFO L751 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2023-12-02 22:38:49,730 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:38:49,734 INFO L560 CodeCheckObserver]: Invariant with dag size 13 [2023-12-02 22:38:49,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:38:49 ImpRootNode [2023-12-02 22:38:49,738 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:38:49,739 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:38:49,739 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:38:49,739 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:38:49,739 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:38:49" (3/4) ... [2023-12-02 22:38:49,741 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 22:38:49,746 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-12-02 22:38:49,746 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-02 22:38:49,746 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-12-02 22:38:49,820 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ab9e0b-1c24-4319-9bb7-c61bb2c0deb0/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 22:38:49,820 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ab9e0b-1c24-4319-9bb7-c61bb2c0deb0/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 22:38:49,821 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:38:49,821 INFO L158 Benchmark]: Toolchain (without parser) took 1124.20ms. Allocated memory is still 146.8MB. Free memory was 110.5MB in the beginning and 98.7MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 22:38:49,822 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 109.1MB. Free memory is still 56.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:38:49,822 INFO L158 Benchmark]: CACSL2BoogieTranslator took 165.17ms. Allocated memory is still 146.8MB. Free memory was 110.5MB in the beginning and 101.1MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 22:38:49,823 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.36ms. Allocated memory is still 146.8MB. Free memory was 101.1MB in the beginning and 99.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:38:49,823 INFO L158 Benchmark]: Boogie Preprocessor took 15.40ms. Allocated memory is still 146.8MB. Free memory was 99.9MB in the beginning and 98.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:38:49,823 INFO L158 Benchmark]: RCFGBuilder took 238.68ms. Allocated memory is still 146.8MB. Free memory was 98.7MB in the beginning and 89.1MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 22:38:49,824 INFO L158 Benchmark]: CodeCheck took 596.05ms. Allocated memory is still 146.8MB. Free memory was 89.1MB in the beginning and 102.9MB in the end (delta: -13.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:38:49,824 INFO L158 Benchmark]: Witness Printer took 82.05ms. Allocated memory is still 146.8MB. Free memory was 102.9MB in the beginning and 98.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:38:49,826 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 1 procedures, 9 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 61 IncrementalHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 12 mSDtfsCounter, 61 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 99 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 39 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 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: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: ((((x + 2147483648) <= 0) && (b == 0)) || ((x <= 2147483647) && (0 < (x + 2147483648)))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 109.1MB. Free memory is still 56.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 165.17ms. Allocated memory is still 146.8MB. Free memory was 110.5MB in the beginning and 101.1MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.36ms. Allocated memory is still 146.8MB. Free memory was 101.1MB in the beginning and 99.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.40ms. Allocated memory is still 146.8MB. Free memory was 99.9MB in the beginning and 98.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 238.68ms. Allocated memory is still 146.8MB. Free memory was 98.7MB in the beginning and 89.1MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 596.05ms. Allocated memory is still 146.8MB. Free memory was 89.1MB in the beginning and 102.9MB in the end (delta: -13.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 82.05ms. Allocated memory is still 146.8MB. Free memory was 102.9MB in the beginning and 98.7MB 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! [2023-12-02 22:38:49,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ab9e0b-1c24-4319-9bb7-c61bb2c0deb0/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