./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-lit/gj2007b.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_d3527eee-9077-47e8-b333-eeb4c92ea228/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3527eee-9077-47e8-b333-eeb4c92ea228/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_d3527eee-9077-47e8-b333-eeb4c92ea228/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3527eee-9077-47e8-b333-eeb4c92ea228/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/gj2007b.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3527eee-9077-47e8-b333-eeb4c92ea228/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3527eee-9077-47e8-b333-eeb4c92ea228/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 32bit --witnessprinter.graph.data.programhash a5dbdf40c5c8abdf745ea2973f48a7f1bd1d56b53cd410b7a2d364d83fc651a9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:52:09,892 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:52:10,024 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3527eee-9077-47e8-b333-eeb4c92ea228/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 20:52:10,033 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:52:10,035 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:52:10,083 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:52:10,086 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:52:10,086 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:52:10,087 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:52:10,087 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:52:10,088 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:52:10,089 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:52:10,090 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:52:10,090 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:52:10,090 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:52:10,090 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:52:10,090 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:52:10,091 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:52:10,092 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:52:10,092 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:52:10,092 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:52:10,092 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:52:10,092 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:52:10,092 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:52:10,093 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:52:10,093 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:52:10,093 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:52:10,093 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:52:10,093 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:52:10,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:52:10,094 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:52:10,094 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:52:10,094 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:52:10,094 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:52:10,094 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:52:10,094 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_d3527eee-9077-47e8-b333-eeb4c92ea228/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5dbdf40c5c8abdf745ea2973f48a7f1bd1d56b53cd410b7a2d364d83fc651a9 [2024-11-13 20:52:10,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:52:10,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:52:10,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:52:10,554 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:52:10,554 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:52:10,556 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3527eee-9077-47e8-b333-eeb4c92ea228/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/loop-lit/gj2007b.i Unable to find full path for "g++" [2024-11-13 20:52:12,921 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:52:13,265 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:52:13,268 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3527eee-9077-47e8-b333-eeb4c92ea228/sv-benchmarks/c/loop-lit/gj2007b.i [2024-11-13 20:52:13,292 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3527eee-9077-47e8-b333-eeb4c92ea228/bin/ukojak-verify-EEHR8qb7sm/data/4af19066a/845b62ea3ae74a168d17e516632d49fd/FLAGdd2ce255d [2024-11-13 20:52:13,322 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3527eee-9077-47e8-b333-eeb4c92ea228/bin/ukojak-verify-EEHR8qb7sm/data/4af19066a/845b62ea3ae74a168d17e516632d49fd [2024-11-13 20:52:13,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:52:13,327 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:52:13,328 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:52:13,329 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:52:13,338 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:52:13,339 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:52:13" (1/1) ... [2024-11-13 20:52:13,343 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21838e3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:13, skipping insertion in model container [2024-11-13 20:52:13,344 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:52:13" (1/1) ... [2024-11-13 20:52:13,366 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:52:13,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:52:13,611 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:52:13,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:52:13,658 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:52:13,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:13 WrapperNode [2024-11-13 20:52:13,658 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:52:13,660 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:52:13,660 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:52:13,661 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:52:13,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:13" (1/1) ... [2024-11-13 20:52:13,681 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:13" (1/1) ... [2024-11-13 20:52:13,708 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 38 [2024-11-13 20:52:13,710 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:52:13,710 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:52:13,710 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:52:13,711 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:52:13,720 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:13" (1/1) ... [2024-11-13 20:52:13,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:13" (1/1) ... [2024-11-13 20:52:13,723 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:13" (1/1) ... [2024-11-13 20:52:13,724 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:13" (1/1) ... [2024-11-13 20:52:13,729 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:13" (1/1) ... [2024-11-13 20:52:13,734 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:13" (1/1) ... [2024-11-13 20:52:13,735 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:13" (1/1) ... [2024-11-13 20:52:13,739 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:13" (1/1) ... [2024-11-13 20:52:13,741 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:52:13,742 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:52:13,746 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:52:13,746 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:52:13,747 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:52:13" (1/1) ... [2024-11-13 20:52:13,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:52:13,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3527eee-9077-47e8-b333-eeb4c92ea228/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:52:13,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3527eee-9077-47e8-b333-eeb4c92ea228/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:52:13,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3527eee-9077-47e8-b333-eeb4c92ea228/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:52:13,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:52:13,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:52:13,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:52:13,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:52:13,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 20:52:13,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 20:52:13,924 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:52:13,926 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:52:14,070 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 20:52:14,070 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:52:14,123 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:52:14,124 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:52:14,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:52:14 BoogieIcfgContainer [2024-11-13 20:52:14,124 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:52:14,125 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:52:14,125 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:52:14,139 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:52:14,140 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:52:14" (1/1) ... [2024-11-13 20:52:14,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:52:14,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:14,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-11-13 20:52:14,223 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-11-13 20:52:14,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 20:52:14,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:14,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:52:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:14,480 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 20:52:14,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:14,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-11-13 20:52:14,561 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-11-13 20:52:14,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:52:14,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:14,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:52:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:14,622 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 20:52:14,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:14,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-13 20:52:14,652 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-13 20:52:14,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:52:14,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:14,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:52:14,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:14,745 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:52:14,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:14,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-11-13 20:52:14,841 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-11-13 20:52:14,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:52:14,843 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:14,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:52:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:14,949 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:52:15,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:15,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2024-11-13 20:52:15,154 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-11-13 20:52:15,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:52:15,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:15,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:52:15,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:15,314 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 20:52:15,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:15,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2024-11-13 20:52:15,569 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2024-11-13 20:52:15,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 20:52:15,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:15,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:52:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:15,735 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 20:52:16,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:16,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2024-11-13 20:52:16,515 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2024-11-13 20:52:16,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:52:16,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:16,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:52:16,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:16,646 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 20:52:16,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:16,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-11-13 20:52:16,884 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-11-13 20:52:16,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:52:16,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:16,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:52:16,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:16,973 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 20:52:17,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:17,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2024-11-13 20:52:17,152 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2024-11-13 20:52:17,152 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 20:52:17,153 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2024-11-13 20:52:17,168 INFO L729 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-11-13 20:52:17,627 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2024-11-13 20:52:17,628 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 20:52:17,629 INFO L77 FloydHoareUtils]: At program point L29-2(lines 29 31) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~n~0#1| 2147483647))) (or (and .cse0 (<= |ULTIMATE.start_main_~x~0#1| 1) (<= 1 |ULTIMATE.start_main_~x~0#1|)) (and .cse0 (< |ULTIMATE.start_main_~x~0#1| 1) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648))) (and .cse0 (< 1 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 2147483646)))) [2024-11-13 20:52:17,629 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 20:52:17,629 INFO L77 FloydHoareUtils]: At program point L34(line 34) the Hoare annotation is: true [2024-11-13 20:52:17,629 INFO L77 FloydHoareUtils]: At program point L32(line 32) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~n~0#1| 2147483647))) (or (and .cse0 (< 1 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 2147483646)) (and .cse0 (<= 0 (+ 2147483649 |ULTIMATE.start_main_~x~0#1|)) (<= |ULTIMATE.start_main_~x~0#1| 1)))) [2024-11-13 20:52:17,630 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2024-11-13 20:52:17,630 INFO L77 FloydHoareUtils]: At program point L28-2(lines 28 33) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~n~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648))) [2024-11-13 20:52:17,630 INFO L77 FloydHoareUtils]: At program point L28-3(lines 28 33) the Hoare annotation is: true [2024-11-13 20:52:17,630 INFO L77 FloydHoareUtils]: At program point L35(line 35) the Hoare annotation is: true [2024-11-13 20:52:17,634 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 17 22) the Hoare annotation is: true [2024-11-13 20:52:17,634 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 17 22) the Hoare annotation is: true [2024-11-13 20:52:17,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:52:17 ImpRootNode [2024-11-13 20:52:17,655 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:52:17,656 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:52:17,656 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:52:17,656 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:52:17,657 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:52:14" (3/4) ... [2024-11-13 20:52:17,660 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 20:52:17,663 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-13 20:52:17,667 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-13 20:52:17,668 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-13 20:52:17,668 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 20:52:17,668 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 20:52:17,782 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3527eee-9077-47e8-b333-eeb4c92ea228/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 20:52:17,782 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3527eee-9077-47e8-b333-eeb4c92ea228/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 20:52:17,782 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:52:17,786 INFO L158 Benchmark]: Toolchain (without parser) took 4456.69ms. Allocated memory is still 167.8MB. Free memory was 127.0MB in the beginning and 49.3MB in the end (delta: 77.7MB). Peak memory consumption was 78.7MB. Max. memory is 16.1GB. [2024-11-13 20:52:17,787 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 167.8MB. Free memory is still 107.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:52:17,787 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.60ms. Allocated memory is still 167.8MB. Free memory was 126.7MB in the beginning and 116.0MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:52:17,788 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.08ms. Allocated memory is still 167.8MB. Free memory was 116.0MB in the beginning and 114.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:52:17,789 INFO L158 Benchmark]: Boogie Preprocessor took 30.88ms. Allocated memory is still 167.8MB. Free memory was 114.8MB in the beginning and 114.2MB in the end (delta: 586.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:52:17,790 INFO L158 Benchmark]: RCFGBuilder took 382.48ms. Allocated memory is still 167.8MB. Free memory was 114.2MB in the beginning and 103.0MB in the end (delta: 11.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:52:17,791 INFO L158 Benchmark]: CodeCheck took 3529.53ms. Allocated memory is still 167.8MB. Free memory was 102.7MB in the beginning and 53.6MB in the end (delta: 49.2MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. [2024-11-13 20:52:17,792 INFO L158 Benchmark]: Witness Printer took 126.82ms. Allocated memory is still 167.8MB. Free memory was 53.6MB in the beginning and 49.3MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:52:17,794 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 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 148 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 121 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 138 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 553 IncrementalHoareTripleChecker+Invalid, 691 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 138 mSolverCounterUnsat, 0 mSDtfsCounter, 553 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 536 GetRequests, 466 SyntacticMatches, 20 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1011 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 167 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 3 PerfectInterpolantSequences, 36/57 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: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: 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: 28]: Loop Invariant Derived loop invariant: ((n <= 2147483647) && (0 <= (x + 2147483648))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 167.8MB. Free memory is still 107.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.60ms. Allocated memory is still 167.8MB. Free memory was 126.7MB in the beginning and 116.0MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.08ms. Allocated memory is still 167.8MB. Free memory was 116.0MB in the beginning and 114.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.88ms. Allocated memory is still 167.8MB. Free memory was 114.8MB in the beginning and 114.2MB in the end (delta: 586.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 382.48ms. Allocated memory is still 167.8MB. Free memory was 114.2MB in the beginning and 103.0MB in the end (delta: 11.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 3529.53ms. Allocated memory is still 167.8MB. Free memory was 102.7MB in the beginning and 53.6MB in the end (delta: 49.2MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. * Witness Printer took 126.82ms. Allocated memory is still 167.8MB. Free memory was 53.6MB in the beginning and 49.3MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 20:52:17,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3527eee-9077-47e8-b333-eeb4c92ea228/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE