./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8b.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_06173507-e78c-46b3-896b-be345dcf2e82/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06173507-e78c-46b3-896b-be345dcf2e82/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_06173507-e78c-46b3-896b-be345dcf2e82/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06173507-e78c-46b3-896b-be345dcf2e82/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06173507-e78c-46b3-896b-be345dcf2e82/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_06173507-e78c-46b3-896b-be345dcf2e82/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 d483d112ebc631f1c14642e780c42909cf25d334478fdf38ba7f61b34b8ee811
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-0e0057c
[2023-11-24 23:08:32,035 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-24 23:08:32,123 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06173507-e78c-46b3-896b-be345dcf2e82/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf
[2023-11-24 23:08:32,128 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-24 23:08:32,128 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver
[2023-11-24 23:08:32,154 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-24 23:08:32,155 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-24 23:08:32,155 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS
[2023-11-24 23:08:32,157 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-24 23:08:32,157 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-24 23:08:32,158 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-24 23:08:32,158 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-24 23:08:32,159 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-24 23:08:32,160 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-24 23:08:32,160 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-24 23:08:32,161 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-24 23:08:32,161 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-24 23:08:32,162 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true
[2023-11-24 23:08:32,162 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-24 23:08:32,163 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-24 23:08:32,163 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-24 23:08:32,164 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults:
[2023-11-24 23:08:32,165 INFO L153 SettingsManager]: * Timeout in seconds=1000000
[2023-11-24 23:08:32,165 INFO L153 SettingsManager]: * Theory for external solver=ALL
[2023-11-24 23:08:32,166 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-24 23:08:32,166 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2023-11-24 23:08:32,167 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-24 23:08:32,167 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-24 23:08:32,167 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-24 23:08:32,168 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN
[2023-11-24 23:08:32,168 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-24 23:08:32,169 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-24 23:08:32,169 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_06173507-e78c-46b3-896b-be345dcf2e82/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06173507-e78c-46b3-896b-be345dcf2e82/bin/ukojak-verify-afCqCEvfdi
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d483d112ebc631f1c14642e780c42909cf25d334478fdf38ba7f61b34b8ee811
[2023-11-24 23:08:32,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-24 23:08:32,530 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-24 23:08:32,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-24 23:08:32,535 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-24 23:08:32,535 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-24 23:08:32,537 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06173507-e78c-46b3-896b-be345dcf2e82/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8b.c
[2023-11-24 23:08:35,855 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-24 23:08:36,057 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-24 23:08:36,058 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06173507-e78c-46b3-896b-be345dcf2e82/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8b.c
[2023-11-24 23:08:36,069 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06173507-e78c-46b3-896b-be345dcf2e82/bin/ukojak-verify-afCqCEvfdi/data/36ff52dab/bbbb8e23f4ea48ab8c69b98abc58fa1d/FLAG9ce672caa
[2023-11-24 23:08:36,082 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06173507-e78c-46b3-896b-be345dcf2e82/bin/ukojak-verify-afCqCEvfdi/data/36ff52dab/bbbb8e23f4ea48ab8c69b98abc58fa1d
[2023-11-24 23:08:36,084 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-24 23:08:36,087 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-24 23:08:36,089 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-24 23:08:36,089 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-24 23:08:36,093 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-24 23:08:36,094 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:08:36" (1/1) ...
[2023-11-24 23:08:36,095 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@764e1578 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:36, skipping insertion in model container
[2023-11-24 23:08:36,096 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:08:36" (1/1) ...
[2023-11-24 23:08:36,115 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-24 23:08:36,269 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-24 23:08:36,274 INFO L202 MainTranslator]: Completed pre-run
[2023-11-24 23:08:36,284 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-24 23:08:36,295 INFO L206 MainTranslator]: Completed translation
[2023-11-24 23:08:36,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:36 WrapperNode
[2023-11-24 23:08:36,296 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-24 23:08:36,297 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-24 23:08:36,297 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-24 23:08:36,297 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-24 23:08:36,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:36" (1/1) ...
[2023-11-24 23:08:36,309 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:36" (1/1) ...
[2023-11-24 23:08:36,326 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24
[2023-11-24 23:08:36,327 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-24 23:08:36,328 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-24 23:08:36,328 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-24 23:08:36,328 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-24 23:08:36,337 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:36" (1/1) ...
[2023-11-24 23:08:36,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:36" (1/1) ...
[2023-11-24 23:08:36,338 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:36" (1/1) ...
[2023-11-24 23:08:36,338 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:36" (1/1) ...
[2023-11-24 23:08:36,340 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:36" (1/1) ...
[2023-11-24 23:08:36,343 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:36" (1/1) ...
[2023-11-24 23:08:36,344 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:36" (1/1) ...
[2023-11-24 23:08:36,344 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:36" (1/1) ...
[2023-11-24 23:08:36,346 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-24 23:08:36,347 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-24 23:08:36,347 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-24 23:08:36,347 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-24 23:08:36,348 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:36" (1/1) ...
[2023-11-24 23:08:36,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2023-11-24 23:08:36,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06173507-e78c-46b3-896b-be345dcf2e82/bin/ukojak-verify-afCqCEvfdi/z3
[2023-11-24 23:08:36,378 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06173507-e78c-46b3-896b-be345dcf2e82/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null)
[2023-11-24 23:08:36,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06173507-e78c-46b3-896b-be345dcf2e82/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process
[2023-11-24 23:08:36,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-24 23:08:36,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-24 23:08:36,530 INFO L241 CfgBuilder]: Building ICFG
[2023-11-24 23:08:36,533 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-24 23:08:36,674 INFO L282 CfgBuilder]: Performing block encoding
[2023-11-24 23:08:36,707 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-24 23:08:36,711 INFO L309 CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-24 23:08:36,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:36 BoogieIcfgContainer
[2023-11-24 23:08:36,714 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-24 23:08:36,715 INFO L112 PluginConnector]: ------------------------CodeCheck----------------------------
[2023-11-24 23:08:36,717 INFO L270 PluginConnector]: Initializing CodeCheck...
[2023-11-24 23:08:36,728 INFO L274 PluginConnector]: CodeCheck initialized
[2023-11-24 23:08:36,728 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:36" (1/1) ...
[2023-11-24 23:08:36,739 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-24 23:08:36,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 23:08:36,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions.
[2023-11-24 23:08:36,817 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions.
[2023-11-24 23:08:36,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2023-11-24 23:08:36,820 INFO L423 CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 23:08:36,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 23:08:36,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 23:08:37,033 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 23:08:37,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 23:08:37,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions.
[2023-11-24 23:08:37,121 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions.
[2023-11-24 23:08:37,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2023-11-24 23:08:37,121 INFO L423 CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 23:08:37,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 23:08:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 23:08:37,277 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 23:08:37,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 23:08:37,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions.
[2023-11-24 23:08:37,764 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions.
[2023-11-24 23:08:37,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2023-11-24 23:08:37,766 INFO L423 CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 23:08:37,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 23:08:37,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 23:08:37,851 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 23:08:38,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 23:08:38,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions.
[2023-11-24 23:08:38,220 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions.
[2023-11-24 23:08:38,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2023-11-24 23:08:38,224 INFO L423 CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 23:08:38,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 23:08:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 23:08:38,317 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 23:08:38,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 23:08:38,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions.
[2023-11-24 23:08:38,404 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions.
[2023-11-24 23:08:38,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2023-11-24 23:08:38,405 INFO L423 CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 23:08:38,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 23:08:38,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 23:08:38,550 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 23:08:39,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 23:08:39,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions.
[2023-11-24 23:08:39,043 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions.
[2023-11-24 23:08:39,043 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2023-11-24 23:08:39,043 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations.
[2023-11-24 23:08:39,062 INFO L751 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold
[2023-11-24 23:08:39,106 INFO L560 CodeCheckObserver]: Invariant with dag size 9
[2023-11-24 23:08:39,117 INFO L560 CodeCheckObserver]: Invariant with dag size 1
[2023-11-24 23:08:39,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:08:39 ImpRootNode
[2023-11-24 23:08:39,118 INFO L131 PluginConnector]: ------------------------ END CodeCheck----------------------------
[2023-11-24 23:08:39,119 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-24 23:08:39,119 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-24 23:08:39,119 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-24 23:08:39,120 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:36" (3/4) ...
[2023-11-24 23:08:39,122 INFO L137 WitnessPrinter]: Generating witness for correct program
[2023-11-24 23:08:39,130 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges
[2023-11-24 23:08:39,130 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2023-11-24 23:08:39,130 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2023-11-24 23:08:39,238 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06173507-e78c-46b3-896b-be345dcf2e82/bin/ukojak-verify-afCqCEvfdi/witness.graphml
[2023-11-24 23:08:39,239 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06173507-e78c-46b3-896b-be345dcf2e82/bin/ukojak-verify-afCqCEvfdi/witness.yml
[2023-11-24 23:08:39,239 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-24 23:08:39,240 INFO L158 Benchmark]: Toolchain (without parser) took 3152.47ms. Allocated memory was 140.5MB in the beginning and 184.5MB in the end (delta: 44.0MB). Free memory was 94.4MB in the beginning and 130.1MB in the end (delta: -35.6MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB.
[2023-11-24 23:08:39,241 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 140.5MB. Free memory is still 90.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-24 23:08:39,242 INFO L158 Benchmark]: CACSL2BoogieTranslator took 207.22ms. Allocated memory is still 140.5MB. Free memory was 94.4MB in the beginning and 84.8MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2023-11-24 23:08:39,242 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.25ms. Allocated memory is still 140.5MB. Free memory was 84.8MB in the beginning and 83.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-24 23:08:39,252 INFO L158 Benchmark]: Boogie Preprocessor took 18.28ms. Allocated memory is still 140.5MB. Free memory was 83.6MB in the beginning and 82.7MB in the end (delta: 833.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-24 23:08:39,252 INFO L158 Benchmark]: RCFGBuilder took 367.24ms. Allocated memory is still 140.5MB. Free memory was 82.3MB in the beginning and 73.5MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2023-11-24 23:08:39,257 INFO L158 Benchmark]: CodeCheck took 2402.77ms. Allocated memory was 140.5MB in the beginning and 184.5MB in the end (delta: 44.0MB). Free memory was 73.1MB in the beginning and 134.3MB in the end (delta: -61.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-24 23:08:39,259 INFO L158 Benchmark]: Witness Printer took 120.60ms. Allocated memory is still 184.5MB. Free memory was 134.3MB in the beginning and 130.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-24 23:08:39,262 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, 10 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 78 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 75 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 81 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 306 IncrementalHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 81 mSolverCounterUnsat, 20 mSDtfsCounter, 306 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 352 GetRequests, 296 SyntacticMatches, 12 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 713 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 157 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 5/9 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available
- PositiveResult [Line: 22]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 22]: 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: 18]: Loop Invariant
Derived loop invariant: ((0 <= (x + 2147483648)) && (M <= 2147483647))
- InvariantResult [Line: 17]: Loop Invariant
Derived loop invariant: 1
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.41ms. Allocated memory is still 140.5MB. Free memory is still 90.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 207.22ms. Allocated memory is still 140.5MB. Free memory was 94.4MB in the beginning and 84.8MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 30.25ms. Allocated memory is still 140.5MB. Free memory was 84.8MB in the beginning and 83.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 18.28ms. Allocated memory is still 140.5MB. Free memory was 83.6MB in the beginning and 82.7MB in the end (delta: 833.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 367.24ms. Allocated memory is still 140.5MB. Free memory was 82.3MB in the beginning and 73.5MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* CodeCheck took 2402.77ms. Allocated memory was 140.5MB in the beginning and 184.5MB in the end (delta: 44.0MB). Free memory was 73.1MB in the beginning and 134.3MB in the end (delta: -61.2MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 120.60ms. Allocated memory is still 184.5MB. Free memory was 134.3MB in the beginning and 130.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
RESULT: Ultimate proved your program to be correct!
[2023-11-24 23:08:39,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06173507-e78c-46b3-896b-be345dcf2e82/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