./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ifeqn4f.c --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_22e68bb9-ab52-4691-9a5e-51c528778e21/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e68bb9-ab52-4691-9a5e-51c528778e21/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_22e68bb9-ab52-4691-9a5e-51c528778e21/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e68bb9-ab52-4691-9a5e-51c528778e21/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/ifeqn4f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e68bb9-ab52-4691-9a5e-51c528778e21/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_22e68bb9-ab52-4691-9a5e-51c528778e21/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 7849780e572f4b715fd4a0599e2552ba9e578b3aff0bf5f111ebb8575b54953d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:19:04,162 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:19:04,251 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e68bb9-ab52-4691-9a5e-51c528778e21/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:19:04,259 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:19:04,259 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:19:04,294 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:19:04,296 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:19:04,297 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:19:04,297 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:19:04,297 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:19:04,299 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:19:04,299 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:19:04,299 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:19:04,299 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:19:04,299 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:19:04,299 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:19:04,300 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:19:04,300 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:19:04,300 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:19:04,300 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:19:04,300 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:19:04,300 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:19:04,300 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:19:04,300 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:19:04,300 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:19:04,300 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:19:04,300 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:19:04,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:19:04,302 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:19:04,302 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:19:04,302 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:19:04,302 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:19:04,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:19:04,302 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_22e68bb9-ab52-4691-9a5e-51c528778e21/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 -> 7849780e572f4b715fd4a0599e2552ba9e578b3aff0bf5f111ebb8575b54953d [2024-11-13 20:19:04,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:19:04,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:19:04,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:19:04,663 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:19:04,663 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:19:04,665 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e68bb9-ab52-4691-9a5e-51c528778e21/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/array-fpi/ifeqn4f.c Unable to find full path for "g++" [2024-11-13 20:19:06,517 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:19:06,771 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:19:06,772 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e68bb9-ab52-4691-9a5e-51c528778e21/sv-benchmarks/c/array-fpi/ifeqn4f.c [2024-11-13 20:19:06,779 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e68bb9-ab52-4691-9a5e-51c528778e21/bin/ukojak-verify-EEHR8qb7sm/data/59beea823/27091248e46e44eaa7090949d9ed8532/FLAG438345920 [2024-11-13 20:19:07,072 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e68bb9-ab52-4691-9a5e-51c528778e21/bin/ukojak-verify-EEHR8qb7sm/data/59beea823/27091248e46e44eaa7090949d9ed8532 [2024-11-13 20:19:07,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:19:07,076 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:19:07,078 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:19:07,078 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:19:07,083 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:19:07,083 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:19:07" (1/1) ... [2024-11-13 20:19:07,084 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@475945d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:07, skipping insertion in model container [2024-11-13 20:19:07,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:19:07" (1/1) ... [2024-11-13 20:19:07,098 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:19:07,263 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_22e68bb9-ab52-4691-9a5e-51c528778e21/sv-benchmarks/c/array-fpi/ifeqn4f.c[590,603] [2024-11-13 20:19:07,292 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:19:07,302 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:19:07,314 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_22e68bb9-ab52-4691-9a5e-51c528778e21/sv-benchmarks/c/array-fpi/ifeqn4f.c[590,603] [2024-11-13 20:19:07,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:19:07,345 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:19:07,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:07 WrapperNode [2024-11-13 20:19:07,349 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:19:07,350 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:19:07,350 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:19:07,350 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:19:07,357 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:07" (1/1) ... [2024-11-13 20:19:07,363 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:07" (1/1) ... [2024-11-13 20:19:07,378 INFO L138 Inliner]: procedures = 16, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2024-11-13 20:19:07,378 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:19:07,379 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:19:07,379 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:19:07,379 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:19:07,384 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:07" (1/1) ... [2024-11-13 20:19:07,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:07" (1/1) ... [2024-11-13 20:19:07,386 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:07" (1/1) ... [2024-11-13 20:19:07,386 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:07" (1/1) ... [2024-11-13 20:19:07,391 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:07" (1/1) ... [2024-11-13 20:19:07,394 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:07" (1/1) ... [2024-11-13 20:19:07,395 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:07" (1/1) ... [2024-11-13 20:19:07,395 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:07" (1/1) ... [2024-11-13 20:19:07,397 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:19:07,398 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:19:07,398 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:19:07,398 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:19:07,399 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:07" (1/1) ... [2024-11-13 20:19:07,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:19:07,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e68bb9-ab52-4691-9a5e-51c528778e21/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:19:07,435 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e68bb9-ab52-4691-9a5e-51c528778e21/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:19:07,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e68bb9-ab52-4691-9a5e-51c528778e21/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:19:07,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:19:07,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:19:07,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 20:19:07,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 20:19:07,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:19:07,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:19:07,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 20:19:07,552 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:19:07,554 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:19:07,773 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-13 20:19:07,773 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:19:07,872 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:19:07,872 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 20:19:07,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:19:07 BoogieIcfgContainer [2024-11-13 20:19:07,872 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:19:07,873 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:19:07,873 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:19:07,884 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:19:07,885 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:19:07" (1/1) ... [2024-11-13 20:19:07,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:19:07,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:07,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2024-11-13 20:19:07,956 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2024-11-13 20:19:07,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:19:07,959 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:07,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:08,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:08,237 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 20:19:08,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:08,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-11-13 20:19:08,294 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-11-13 20:19:08,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:19:08,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:08,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:08,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:08,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 20:19:08,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:08,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2024-11-13 20:19:08,568 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2024-11-13 20:19:08,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:19:08,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:08,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:08,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:19:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:08,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 20:19:08,730 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:08,844 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 20:19:08,970 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 20:19:09,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:09,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 15 states and 23 transitions. [2024-11-13 20:19:09,523 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 23 transitions. [2024-11-13 20:19:09,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 20:19:09,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:09,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:09,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:09,882 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 20:19:11,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:11,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 22 states and 38 transitions. [2024-11-13 20:19:11,048 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 38 transitions. [2024-11-13 20:19:11,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:19:11,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:11,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:11,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:11,304 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 20:19:11,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:11,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2024-11-13 20:19:11,944 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2024-11-13 20:19:11,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 20:19:11,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:11,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:19:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:19:12,025 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:19:12,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:19:12,071 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2024-11-13 20:19:12,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:19:12 ImpRootNode [2024-11-13 20:19:12,100 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:19:12,100 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:19:12,100 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:19:12,100 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:19:12,101 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:19:07" (3/4) ... [2024-11-13 20:19:12,102 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 20:19:12,154 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e68bb9-ab52-4691-9a5e-51c528778e21/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 20:19:12,154 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:19:12,155 INFO L158 Benchmark]: Toolchain (without parser) took 5078.98ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 74.8MB in the end (delta: 44.4MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2024-11-13 20:19:12,156 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:19:12,156 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.83ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 107.9MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:19:12,156 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.19ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 106.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:19:12,157 INFO L158 Benchmark]: Boogie Preprocessor took 18.72ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 105.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:19:12,158 INFO L158 Benchmark]: RCFGBuilder took 474.58ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 90.7MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:19:12,161 INFO L158 Benchmark]: CodeCheck took 4226.60ms. Allocated memory is still 142.6MB. Free memory was 90.7MB in the beginning and 77.5MB in the end (delta: 13.2MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2024-11-13 20:19:12,162 INFO L158 Benchmark]: Witness Printer took 54.43ms. Allocated memory is still 142.6MB. Free memory was 77.5MB in the beginning and 74.8MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:19:12,164 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.2s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 135 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 139 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 354 IncrementalHoareTripleChecker+Invalid, 493 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 139 mSolverCounterUnsat, 30 mSDtfsCounter, 354 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 470 GetRequests, 387 SyntacticMatches, 5 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2605 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 137 SizeOfPredicates, 4 NumberOfNonLiveVariables, 85 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 6/13 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: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long *a = malloc(sizeof(long long)*N); [L29] long long *b = malloc(sizeof(long long)*N); [L31] i=0 VAL [N=2, a={4:0}, b={-1:0}, i=0] [L31] COND TRUE i