./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818dff81-26ff-4ada-85ea-c11e887637da/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818dff81-26ff-4ada-85ea-c11e887637da/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818dff81-26ff-4ada-85ea-c11e887637da/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818dff81-26ff-4ada-85ea-c11e887637da/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818dff81-26ff-4ada-85ea-c11e887637da/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818dff81-26ff-4ada-85ea-c11e887637da/bin/ukojak-verify-EEHR8qb7sm --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 626f3da6fd18561761a79d5d72b6e4952ec90284e3abc32807b89f761ebfb898 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:07:52,091 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:07:52,190 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818dff81-26ff-4ada-85ea-c11e887637da/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 23:07:52,197 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:07:52,201 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:07:52,248 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:07:52,255 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:07:52,255 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:07:52,256 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:07:52,256 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:07:52,256 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:07:52,256 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:07:52,256 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:07:52,256 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:07:52,256 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:07:52,257 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:07:52,257 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:07:52,257 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:07:52,257 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:07:52,257 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:07:52,257 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:07:52,257 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:07:52,260 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:07:52,260 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:07:52,260 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:07:52,260 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:07:52,261 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:07:52,261 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:07:52,262 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:07:52,262 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:07:52,262 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:07:52,262 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:07:52,262 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_818dff81-26ff-4ada-85ea-c11e887637da/bin/ukojak-verify-EEHR8qb7sm 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 -> 626f3da6fd18561761a79d5d72b6e4952ec90284e3abc32807b89f761ebfb898 [2024-11-13 23:07:52,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:07:52,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:07:52,582 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:07:52,584 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:07:52,584 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:07:52,586 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818dff81-26ff-4ada-85ea-c11e887637da/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig1.c Unable to find full path for "g++" [2024-11-13 23:07:54,551 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:07:54,824 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:07:54,825 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818dff81-26ff-4ada-85ea-c11e887637da/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig1.c [2024-11-13 23:07:54,844 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818dff81-26ff-4ada-85ea-c11e887637da/bin/ukojak-verify-EEHR8qb7sm/data/66853fd52/20401da0c3ec487ca2b78a96ded45ee6/FLAG31221bc01 [2024-11-13 23:07:54,860 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818dff81-26ff-4ada-85ea-c11e887637da/bin/ukojak-verify-EEHR8qb7sm/data/66853fd52/20401da0c3ec487ca2b78a96ded45ee6 [2024-11-13 23:07:54,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:07:54,864 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:07:54,866 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:07:54,867 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:07:54,871 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:07:54,872 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:07:54" (1/1) ... [2024-11-13 23:07:54,873 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35c7d421 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:54, skipping insertion in model container [2024-11-13 23:07:54,873 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:07:54" (1/1) ... [2024-11-13 23:07:54,888 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:07:55,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:07:55,037 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:07:55,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:07:55,064 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:07:55,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:55 WrapperNode [2024-11-13 23:07:55,064 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:07:55,065 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:07:55,066 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:07:55,066 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:07:55,073 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:55" (1/1) ... [2024-11-13 23:07:55,077 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:55" (1/1) ... [2024-11-13 23:07:55,094 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 32 [2024-11-13 23:07:55,094 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:07:55,095 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:07:55,095 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:07:55,095 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:07:55,102 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:55" (1/1) ... [2024-11-13 23:07:55,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:55" (1/1) ... [2024-11-13 23:07:55,105 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:55" (1/1) ... [2024-11-13 23:07:55,106 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:55" (1/1) ... [2024-11-13 23:07:55,109 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:55" (1/1) ... [2024-11-13 23:07:55,113 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:55" (1/1) ... [2024-11-13 23:07:55,113 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:55" (1/1) ... [2024-11-13 23:07:55,117 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:55" (1/1) ... [2024-11-13 23:07:55,118 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:07:55,119 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:07:55,119 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:07:55,119 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:07:55,120 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:55" (1/1) ... [2024-11-13 23:07:55,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:07:55,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818dff81-26ff-4ada-85ea-c11e887637da/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:07:55,172 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818dff81-26ff-4ada-85ea-c11e887637da/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:07:55,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818dff81-26ff-4ada-85ea-c11e887637da/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:07:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:07:55,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:07:55,306 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:07:55,308 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:07:55,386 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 23:07:55,386 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:07:55,412 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:07:55,412 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:07:55,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:07:55 BoogieIcfgContainer [2024-11-13 23:07:55,412 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:07:55,413 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:07:55,413 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:07:55,425 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:07:55,425 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:07:55" (1/1) ... [2024-11-13 23:07:55,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:07:55,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:07:55,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-11-13 23:07:55,490 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-11-13 23:07:55,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 23:07:55,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:07:55,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:07:55,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:07:55,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:07:55,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:07:55,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2024-11-13 23:07:55,769 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2024-11-13 23:07:55,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 23:07:55,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:07:55,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:07:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:07:55,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:07:55,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:07:55,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2024-11-13 23:07:55,971 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2024-11-13 23:07:55,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 23:07:55,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:07:55,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:07:55,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:07:56,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:07:56,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:07:56,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-13 23:07:56,225 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-13 23:07:56,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 23:07:56,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:07:56,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:07:56,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:07:56,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:07:56,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:07:56,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2024-11-13 23:07:56,610 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2024-11-13 23:07:56,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 23:07:56,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:07:56,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:07:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:07:56,689 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:07:56,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:07:56,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2024-11-13 23:07:56,779 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2024-11-13 23:07:56,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 23:07:56,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:07:56,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:07:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:07:56,826 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:07:56,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:07:56,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 23:07:56,984 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 23:07:56,984 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 23:07:56,985 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-13 23:07:56,993 INFO L729 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-13 23:07:57,033 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2024-11-13 23:07:57,033 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 23:07:57,033 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2024-11-13 23:07:57,034 INFO L77 FloydHoareUtils]: At program point L23(line 23) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-11-13 23:07:57,034 INFO L77 FloydHoareUtils]: At program point L23-1(line 23) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-11-13 23:07:57,034 INFO L77 FloydHoareUtils]: At program point L19(lines 19 24) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-11-13 23:07:57,034 INFO L77 FloydHoareUtils]: At program point L19-2(lines 18 25) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-11-13 23:07:57,034 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 23:07:57,034 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2024-11-13 23:07:57,034 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2024-11-13 23:07:57,034 INFO L77 FloydHoareUtils]: At program point L20(line 20) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-11-13 23:07:57,035 INFO L77 FloydHoareUtils]: At program point L20-1(line 20) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-11-13 23:07:57,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:07:57 ImpRootNode [2024-11-13 23:07:57,046 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:07:57,046 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:07:57,047 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:07:57,047 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:07:57,047 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:07:55" (3/4) ... [2024-11-13 23:07:57,050 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 23:07:57,057 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-13 23:07:57,059 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 23:07:57,059 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 23:07:57,132 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818dff81-26ff-4ada-85ea-c11e887637da/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 23:07:57,132 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818dff81-26ff-4ada-85ea-c11e887637da/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 23:07:57,132 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:07:57,133 INFO L158 Benchmark]: Toolchain (without parser) took 2268.76ms. Allocated memory is still 142.6MB. Free memory was 119.6MB in the beginning and 108.2MB in the end (delta: 11.4MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-11-13 23:07:57,133 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 142.6MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:07:57,134 INFO L158 Benchmark]: CACSL2BoogieTranslator took 198.39ms. Allocated memory is still 142.6MB. Free memory was 119.6MB in the beginning and 109.5MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:07:57,134 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.83ms. Allocated memory is still 142.6MB. Free memory was 109.5MB in the beginning and 108.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:07:57,134 INFO L158 Benchmark]: Boogie Preprocessor took 23.69ms. Allocated memory is still 142.6MB. Free memory was 108.5MB in the beginning and 108.0MB in the end (delta: 483.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:07:57,135 INFO L158 Benchmark]: RCFGBuilder took 293.32ms. Allocated memory is still 142.6MB. Free memory was 108.0MB in the beginning and 97.8MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:07:57,135 INFO L158 Benchmark]: CodeCheck took 1632.58ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 113.0MB in the end (delta: -15.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:07:57,136 INFO L158 Benchmark]: Witness Printer took 85.81ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 108.2MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:07:57,138 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, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 117 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 81 mSDsluCounter, 167 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 115 mSDsCounter, 54 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 216 IncrementalHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 54 mSolverCounterUnsat, 52 mSDtfsCounter, 216 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 331 GetRequests, 285 SyntacticMatches, 10 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 425 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 82 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 4/4 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: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: ((x <= 2147483647) && (y <= 2147483647)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 142.6MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 198.39ms. Allocated memory is still 142.6MB. Free memory was 119.6MB in the beginning and 109.5MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.83ms. Allocated memory is still 142.6MB. Free memory was 109.5MB in the beginning and 108.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.69ms. Allocated memory is still 142.6MB. Free memory was 108.5MB in the beginning and 108.0MB in the end (delta: 483.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 293.32ms. Allocated memory is still 142.6MB. Free memory was 108.0MB in the beginning and 97.8MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1632.58ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 113.0MB in the end (delta: -15.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 85.81ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 108.2MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 23:07:57,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818dff81-26ff-4ada-85ea-c11e887637da/bin/ukojak-verify-EEHR8qb7sm/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