./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/mine2017-ex4.8.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ada49b-59f8-4e0a-b76c-1d7d1a47a12e/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ada49b-59f8-4e0a-b76c-1d7d1a47a12e/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_c9ada49b-59f8-4e0a-b76c-1d7d1a47a12e/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ada49b-59f8-4e0a-b76c-1d7d1a47a12e/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/mine2017-ex4.8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ada49b-59f8-4e0a-b76c-1d7d1a47a12e/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ada49b-59f8-4e0a-b76c-1d7d1a47a12e/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ee63462f1ec886f4aa9c5663162640144e173530e57636655ca95f3d6ab0ae72 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:20:22,272 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:20:22,375 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ada49b-59f8-4e0a-b76c-1d7d1a47a12e/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:20:22,379 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:20:22,380 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:20:22,406 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:20:22,408 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:20:22,408 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:20:22,409 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:20:22,409 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:20:22,410 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:20:22,410 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:20:22,411 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:20:22,411 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:20:22,411 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:20:22,411 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:20:22,411 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:20:22,412 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:20:22,412 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:20:22,412 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:20:22,412 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:20:22,412 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:20:22,412 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:20:22,412 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:20:22,413 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:20:22,413 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:20:22,413 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:20:22,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:20:22,414 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:20:22,414 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:20:22,414 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:20:22,414 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:20:22,414 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:20:22,414 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_c9ada49b-59f8-4e0a-b76c-1d7d1a47a12e/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 ! call(reach_error())) ) 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 -> ee63462f1ec886f4aa9c5663162640144e173530e57636655ca95f3d6ab0ae72 [2024-11-13 21:20:22,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:20:22,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:20:22,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:20:22,762 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:20:22,762 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:20:22,763 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ada49b-59f8-4e0a-b76c-1d7d1a47a12e/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/loop-lit/mine2017-ex4.8.i Unable to find full path for "g++" [2024-11-13 21:20:24,683 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:20:24,922 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:20:24,923 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ada49b-59f8-4e0a-b76c-1d7d1a47a12e/sv-benchmarks/c/loop-lit/mine2017-ex4.8.i [2024-11-13 21:20:24,931 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ada49b-59f8-4e0a-b76c-1d7d1a47a12e/bin/ukojak-verify-EEHR8qb7sm/data/ac0ccd11e/db5ca535eef14724b106c05541c0cf29/FLAG3ff6fed95 [2024-11-13 21:20:24,946 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ada49b-59f8-4e0a-b76c-1d7d1a47a12e/bin/ukojak-verify-EEHR8qb7sm/data/ac0ccd11e/db5ca535eef14724b106c05541c0cf29 [2024-11-13 21:20:24,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:20:24,950 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:20:24,952 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:20:24,952 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:20:24,957 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:20:24,958 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:20:24" (1/1) ... [2024-11-13 21:20:24,959 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71dbbf63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:24, skipping insertion in model container [2024-11-13 21:20:24,959 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:20:24" (1/1) ... [2024-11-13 21:20:24,973 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:20:25,131 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ada49b-59f8-4e0a-b76c-1d7d1a47a12e/sv-benchmarks/c/loop-lit/mine2017-ex4.8.i[812,825] [2024-11-13 21:20:25,144 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:20:25,154 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:20:25,167 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ada49b-59f8-4e0a-b76c-1d7d1a47a12e/sv-benchmarks/c/loop-lit/mine2017-ex4.8.i[812,825] [2024-11-13 21:20:25,171 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:20:25,185 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:20:25,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:25 WrapperNode [2024-11-13 21:20:25,186 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:20:25,187 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:20:25,187 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:20:25,187 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:20:25,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:25" (1/1) ... [2024-11-13 21:20:25,200 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:25" (1/1) ... [2024-11-13 21:20:25,215 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2024-11-13 21:20:25,215 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:20:25,216 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:20:25,216 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:20:25,216 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:20:25,223 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:25" (1/1) ... [2024-11-13 21:20:25,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:25" (1/1) ... [2024-11-13 21:20:25,224 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:25" (1/1) ... [2024-11-13 21:20:25,224 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:25" (1/1) ... [2024-11-13 21:20:25,226 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:25" (1/1) ... [2024-11-13 21:20:25,231 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:25" (1/1) ... [2024-11-13 21:20:25,233 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:25" (1/1) ... [2024-11-13 21:20:25,236 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:25" (1/1) ... [2024-11-13 21:20:25,238 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:20:25,238 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:20:25,239 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:20:25,239 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:20:25,240 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:25" (1/1) ... [2024-11-13 21:20:25,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:20:25,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ada49b-59f8-4e0a-b76c-1d7d1a47a12e/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:20:25,275 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ada49b-59f8-4e0a-b76c-1d7d1a47a12e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:20:25,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ada49b-59f8-4e0a-b76c-1d7d1a47a12e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:20:25,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:20:25,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:20:25,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:20:25,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:20:25,312 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:20:25,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:20:25,386 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:20:25,388 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:20:25,480 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-13 21:20:25,481 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:20:25,511 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:20:25,511 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:20:25,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:20:25 BoogieIcfgContainer [2024-11-13 21:20:25,512 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:20:25,513 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:20:25,513 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:20:25,524 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:20:25,524 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:20:25" (1/1) ... [2024-11-13 21:20:25,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:20:25,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:25,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-11-13 21:20:25,588 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-11-13 21:20:25,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:20:25,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:25,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:25,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:25,890 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 21:20:25,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:25,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 22 transitions. [2024-11-13 21:20:25,990 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-11-13 21:20:25,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:20:25,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:25,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:26,121 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 21:20:26,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:26,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 28 transitions. [2024-11-13 21:20:26,241 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2024-11-13 21:20:26,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 21:20:26,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:26,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:26,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:26,478 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:20:26,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:26,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 36 transitions. [2024-11-13 21:20:26,697 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-11-13 21:20:26,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 21:20:26,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:26,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:26,985 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-13 21:20:27,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:27,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 17 states and 21 transitions. [2024-11-13 21:20:27,067 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-13 21:20:27,068 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 21:20:27,069 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-11-13 21:20:27,082 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 21:20:27,105 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 21:20:27,105 INFO L77 FloydHoareUtils]: At program point L19(lines 17 22) the Hoare annotation is: true [2024-11-13 21:20:27,105 INFO L77 FloydHoareUtils]: At program point L17-1(lines 17 22) the Hoare annotation is: true [2024-11-13 21:20:27,105 INFO L77 FloydHoareUtils]: At program point L17-3(lines 17 22) the Hoare annotation is: true [2024-11-13 21:20:27,105 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 21:20:27,105 INFO L77 FloydHoareUtils]: At program point L20-1(lines 17 22) the Hoare annotation is: true [2024-11-13 21:20:27,106 INFO L77 FloydHoareUtils]: At program point L18(line 18) the Hoare annotation is: true [2024-11-13 21:20:27,106 INFO L77 FloydHoareUtils]: At program point L18-1(line 18) the Hoare annotation is: true [2024-11-13 21:20:27,106 INFO L77 FloydHoareUtils]: At program point L13(line 13) the Hoare annotation is: true [2024-11-13 21:20:27,106 INFO L77 FloydHoareUtils]: At program point L13-1(line 13) the Hoare annotation is: true [2024-11-13 21:20:27,106 INFO L77 FloydHoareUtils]: At program point L13-3(line 13) the Hoare annotation is: true [2024-11-13 21:20:27,106 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(line 13) the Hoare annotation is: true [2024-11-13 21:20:27,106 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line 13) the Hoare annotation is: true [2024-11-13 21:20:27,106 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) the Hoare annotation is: true [2024-11-13 21:20:27,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:20:27 ImpRootNode [2024-11-13 21:20:27,123 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:20:27,125 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:20:27,125 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:20:27,125 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:20:27,126 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:20:25" (3/4) ... [2024-11-13 21:20:27,128 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 21:20:27,131 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-13 21:20:27,136 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-13 21:20:27,136 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 21:20:27,136 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 21:20:27,137 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 21:20:27,215 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ada49b-59f8-4e0a-b76c-1d7d1a47a12e/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:20:27,215 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ada49b-59f8-4e0a-b76c-1d7d1a47a12e/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 21:20:27,215 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:20:27,218 INFO L158 Benchmark]: Toolchain (without parser) took 2265.86ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 44.0MB in the end (delta: 49.3MB). Peak memory consumption was 45.4MB. Max. memory is 16.1GB. [2024-11-13 21:20:27,219 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:20:27,219 INFO L158 Benchmark]: CACSL2BoogieTranslator took 234.44ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 82.6MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:20:27,220 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.54ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 81.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:20:27,220 INFO L158 Benchmark]: Boogie Preprocessor took 21.95ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.8MB in the end (delta: 596.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:20:27,221 INFO L158 Benchmark]: RCFGBuilder took 273.52ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 71.3MB in the end (delta: 9.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:20:27,222 INFO L158 Benchmark]: CodeCheck took 1610.56ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 48.1MB in the end (delta: 23.2MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2024-11-13 21:20:27,223 INFO L158 Benchmark]: Witness Printer took 90.66ms. Allocated memory is still 117.4MB. Free memory was 48.1MB in the beginning and 44.0MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:20:27,225 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, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 92 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36 mSDsluCounter, 132 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 56 mSDsCounter, 69 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 130 IncrementalHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 69 mSolverCounterUnsat, 76 mSDtfsCounter, 130 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 475 GetRequests, 448 SyntacticMatches, 11 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 154 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 45/56 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: 13]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 234.44ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 82.6MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.54ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 81.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.95ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.8MB in the end (delta: 596.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 273.52ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 71.3MB in the end (delta: 9.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1610.56ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 48.1MB in the end (delta: 23.2MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * Witness Printer took 90.66ms. Allocated memory is still 117.4MB. Free memory was 48.1MB in the beginning and 44.0MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 21:20:27,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ada49b-59f8-4e0a-b76c-1d7d1a47a12e/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