./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/id_trans.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_72590684-76a2-423b-a948-e2667a02819e/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72590684-76a2-423b-a948-e2667a02819e/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_72590684-76a2-423b-a948-e2667a02819e/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72590684-76a2-423b-a948-e2667a02819e/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/id_trans.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72590684-76a2-423b-a948-e2667a02819e/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_72590684-76a2-423b-a948-e2667a02819e/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 6aaead44d7f76ddac498383f5d9663622bc4506781697c14d3a4988231066e32 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:14:25,266 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:14:25,368 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72590684-76a2-423b-a948-e2667a02819e/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 23:14:25,378 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:14:25,378 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:14:25,413 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:14:25,415 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:14:25,415 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:14:25,416 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:14:25,416 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:14:25,417 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:14:25,417 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:14:25,417 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:14:25,417 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:14:25,417 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:14:25,417 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:14:25,419 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:14:25,419 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:14:25,419 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:14:25,419 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:14:25,419 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:14:25,419 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:14:25,419 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:14:25,419 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:14:25,420 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:14:25,420 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:14:25,420 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:14:25,420 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:14:25,420 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:14:25,420 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:14:25,420 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:14:25,420 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:14:25,420 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:14:25,421 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_72590684-76a2-423b-a948-e2667a02819e/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 -> 6aaead44d7f76ddac498383f5d9663622bc4506781697c14d3a4988231066e32 [2024-11-13 23:14:25,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:14:25,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:14:25,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:14:25,758 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:14:25,758 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:14:25,762 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72590684-76a2-423b-a948-e2667a02819e/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/loop-invgen/id_trans.i Unable to find full path for "g++" [2024-11-13 23:14:27,948 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:14:28,240 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:14:28,241 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72590684-76a2-423b-a948-e2667a02819e/sv-benchmarks/c/loop-invgen/id_trans.i [2024-11-13 23:14:28,262 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72590684-76a2-423b-a948-e2667a02819e/bin/ukojak-verify-EEHR8qb7sm/data/db063584b/b13b035cec9e411783674854063f24a4/FLAG951a51e0b [2024-11-13 23:14:28,503 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72590684-76a2-423b-a948-e2667a02819e/bin/ukojak-verify-EEHR8qb7sm/data/db063584b/b13b035cec9e411783674854063f24a4 [2024-11-13 23:14:28,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:14:28,508 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:14:28,509 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:14:28,509 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:14:28,513 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:14:28,514 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:14:28" (1/1) ... [2024-11-13 23:14:28,515 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43c9fded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:28, skipping insertion in model container [2024-11-13 23:14:28,515 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:14:28" (1/1) ... [2024-11-13 23:14:28,531 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:14:28,667 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_72590684-76a2-423b-a948-e2667a02819e/sv-benchmarks/c/loop-invgen/id_trans.i[893,906] [2024-11-13 23:14:28,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:14:28,691 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:14:28,702 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_72590684-76a2-423b-a948-e2667a02819e/sv-benchmarks/c/loop-invgen/id_trans.i[893,906] [2024-11-13 23:14:28,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:14:28,719 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:14:28,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:28 WrapperNode [2024-11-13 23:14:28,719 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:14:28,720 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:14:28,721 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:14:28,721 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:14:28,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:28" (1/1) ... [2024-11-13 23:14:28,734 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:28" (1/1) ... [2024-11-13 23:14:28,748 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 41 [2024-11-13 23:14:28,749 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:14:28,750 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:14:28,750 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:14:28,750 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:14:28,756 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:28" (1/1) ... [2024-11-13 23:14:28,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:28" (1/1) ... [2024-11-13 23:14:28,761 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:28" (1/1) ... [2024-11-13 23:14:28,761 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:28" (1/1) ... [2024-11-13 23:14:28,763 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:28" (1/1) ... [2024-11-13 23:14:28,769 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:28" (1/1) ... [2024-11-13 23:14:28,773 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:28" (1/1) ... [2024-11-13 23:14:28,774 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:28" (1/1) ... [2024-11-13 23:14:28,775 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:14:28,779 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:14:28,779 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:14:28,779 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:14:28,780 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:28" (1/1) ... [2024-11-13 23:14:28,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:14:28,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72590684-76a2-423b-a948-e2667a02819e/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:14:28,819 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72590684-76a2-423b-a948-e2667a02819e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:14:28,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72590684-76a2-423b-a948-e2667a02819e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:14:28,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:14:28,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:14:28,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:14:28,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:14:28,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 23:14:28,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 23:14:28,938 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:14:28,942 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:14:29,123 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-13 23:14:29,123 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:14:29,190 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:14:29,191 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:14:29,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:14:29 BoogieIcfgContainer [2024-11-13 23:14:29,191 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:14:29,192 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:14:29,193 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:14:29,207 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:14:29,208 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:14:29" (1/1) ... [2024-11-13 23:14:29,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:14:29,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:29,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2024-11-13 23:14:29,302 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2024-11-13 23:14:29,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:14:29,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:29,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:29,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:29,806 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 23:14:29,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:29,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 28 transitions. [2024-11-13 23:14:29,939 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2024-11-13 23:14:29,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:14:29,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:29,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:29,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:30,103 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 23:14:30,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:30,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 27 transitions. [2024-11-13 23:14:30,356 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2024-11-13 23:14:30,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 23:14:30,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:30,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:30,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:30,650 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 23:14:31,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:31,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 24 states and 36 transitions. [2024-11-13 23:14:31,060 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2024-11-13 23:14:31,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 23:14:31,063 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:31,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:31,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:14:31,103 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:14:31,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:14:31,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:14:31,192 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:14:31,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:14:31,231 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-11-13 23:14:31,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:14:31 ImpRootNode [2024-11-13 23:14:31,277 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:14:31,280 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:14:31,280 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:14:31,281 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:14:31,282 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:14:29" (3/4) ... [2024-11-13 23:14:31,283 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 23:14:31,332 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72590684-76a2-423b-a948-e2667a02819e/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 23:14:31,333 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:14:31,334 INFO L158 Benchmark]: Toolchain (without parser) took 2826.11ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 77.6MB in the end (delta: 41.4MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2024-11-13 23:14:31,335 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 142.6MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:14:31,335 INFO L158 Benchmark]: CACSL2BoogieTranslator took 211.01ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 107.9MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:14:31,336 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.58ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 106.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:14:31,336 INFO L158 Benchmark]: Boogie Preprocessor took 28.91ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 106.0MB in the end (delta: 568.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:14:31,337 INFO L158 Benchmark]: RCFGBuilder took 412.54ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 94.4MB in the end (delta: 11.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:14:31,337 INFO L158 Benchmark]: CodeCheck took 2085.00ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 79.4MB in the end (delta: 14.7MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-11-13 23:14:31,338 INFO L158 Benchmark]: Witness Printer took 52.52ms. Allocated memory is still 142.6MB. Free memory was 79.4MB in the beginning and 77.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:14:31,340 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, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 57 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 115 IncrementalHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 41 mSDtfsCounter, 115 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 296 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 71 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 10/10 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 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L25] int idBitLength, material_length, nlen; [L26] int j, k; [L27] nlen = __VERIFIER_nondet_int() [L28] idBitLength = __VERIFIER_nondet_int() [L29] material_length = __VERIFIER_nondet_int() [L30] COND FALSE !(!( nlen == idBitLength / 32 )) [L31] j = 0 VAL [idBitLength=9, j=0, material_length=1, nlen=0] [L31] COND TRUE (j < idBitLength / 8) && (j < material_length) VAL [idBitLength=9, j=0, material_length=1, nlen=0] [L32] CALL __VERIFIER_assert( 0 <= j) VAL [\old(cond)=1] [L18] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L32] RET __VERIFIER_assert( 0 <= j) VAL [idBitLength=9, j=0, material_length=1, nlen=0] [L33] CALL __VERIFIER_assert( j < material_length ) VAL [\old(cond)=1] [L18] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L33] RET __VERIFIER_assert( j < material_length ) VAL [idBitLength=9, j=0, material_length=1, nlen=0] [L34] CALL __VERIFIER_assert( 0 <= j/4 ) VAL [\old(cond)=1] [L18] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L34] RET __VERIFIER_assert( 0 <= j/4 ) VAL [idBitLength=9, j=0, material_length=1, nlen=0] [L35] CALL __VERIFIER_assert( j/4 < nlen) VAL [\old(cond)=0] [L18] COND TRUE !(cond) VAL [\old(cond)=0] [L19] reach_error() VAL [\old(cond)=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 142.6MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 211.01ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 107.9MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.58ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 106.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.91ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 106.0MB in the end (delta: 568.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 412.54ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 94.4MB in the end (delta: 11.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2085.00ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 79.4MB in the end (delta: 14.7MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * Witness Printer took 52.52ms. Allocated memory is still 142.6MB. Free memory was 79.4MB in the beginning and 77.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 23:14:31,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72590684-76a2-423b-a948-e2667a02819e/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE