./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-15/array18_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db3164ca-41a7-46d5-968f-57f1a79145a9/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db3164ca-41a7-46d5-968f-57f1a79145a9/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db3164ca-41a7-46d5-968f-57f1a79145a9/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db3164ca-41a7-46d5-968f-57f1a79145a9/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-15/array18_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db3164ca-41a7-46d5-968f-57f1a79145a9/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db3164ca-41a7-46d5-968f-57f1a79145a9/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 91342ec879332f5d2cf6840d919ddc3d2a815377394d5610d880c093520bd843 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:40:11,006 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:40:11,099 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db3164ca-41a7-46d5-968f-57f1a79145a9/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:40:11,106 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:40:11,107 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:40:11,141 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:40:11,142 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:40:11,142 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:40:11,143 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:40:11,143 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:40:11,145 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:40:11,145 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:40:11,146 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:40:11,150 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:40:11,150 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:40:11,150 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:40:11,151 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:40:11,151 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:40:11,151 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:40:11,152 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:40:11,152 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:40:11,152 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:40:11,153 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:40:11,153 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:40:11,153 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:40:11,153 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:40:11,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:40:11,154 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:40:11,154 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:40:11,154 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:40:11,155 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:40:11,155 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:40:11,158 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db3164ca-41a7-46d5-968f-57f1a79145a9/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db3164ca-41a7-46d5-968f-57f1a79145a9/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91342ec879332f5d2cf6840d919ddc3d2a815377394d5610d880c093520bd843 [2024-11-08 23:40:11,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:40:11,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:40:11,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:40:11,495 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:40:11,496 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:40:11,498 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db3164ca-41a7-46d5-968f-57f1a79145a9/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/termination-15/array18_alloca.i Unable to find full path for "g++" [2024-11-08 23:40:13,661 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:40:13,879 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:40:13,882 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db3164ca-41a7-46d5-968f-57f1a79145a9/sv-benchmarks/c/termination-15/array18_alloca.i [2024-11-08 23:40:13,896 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db3164ca-41a7-46d5-968f-57f1a79145a9/bin/ukojak-verify-ImItNfHLgk/data/483413823/71ff8248e5cc427c90f0ee926be1f0f1/FLAG36693dd18 [2024-11-08 23:40:14,228 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db3164ca-41a7-46d5-968f-57f1a79145a9/bin/ukojak-verify-ImItNfHLgk/data/483413823/71ff8248e5cc427c90f0ee926be1f0f1 [2024-11-08 23:40:14,231 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:40:14,232 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:40:14,234 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:40:14,234 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:40:14,240 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:40:14,241 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:40:14" (1/1) ... [2024-11-08 23:40:14,243 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@342628cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:14, skipping insertion in model container [2024-11-08 23:40:14,243 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:40:14" (1/1) ... [2024-11-08 23:40:14,280 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:40:14,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:40:14,693 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:40:14,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:40:14,807 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:40:14,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:14 WrapperNode [2024-11-08 23:40:14,808 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:40:14,809 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:40:14,810 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:40:14,810 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:40:14,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:14" (1/1) ... [2024-11-08 23:40:14,835 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:14" (1/1) ... [2024-11-08 23:40:14,860 INFO L138 Inliner]: procedures = 151, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2024-11-08 23:40:14,863 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:40:14,864 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:40:14,865 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:40:14,865 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:40:14,875 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:14" (1/1) ... [2024-11-08 23:40:14,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:14" (1/1) ... [2024-11-08 23:40:14,877 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:14" (1/1) ... [2024-11-08 23:40:14,880 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:14" (1/1) ... [2024-11-08 23:40:14,885 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:14" (1/1) ... [2024-11-08 23:40:14,896 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:14" (1/1) ... [2024-11-08 23:40:14,897 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:14" (1/1) ... [2024-11-08 23:40:14,898 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:14" (1/1) ... [2024-11-08 23:40:14,899 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:40:14,904 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:40:14,904 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:40:14,904 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:40:14,905 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:14" (1/1) ... [2024-11-08 23:40:14,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:40:14,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db3164ca-41a7-46d5-968f-57f1a79145a9/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:40:14,942 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db3164ca-41a7-46d5-968f-57f1a79145a9/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:40:14,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db3164ca-41a7-46d5-968f-57f1a79145a9/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:40:14,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 23:40:14,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 23:40:14,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:40:14,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:40:14,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:40:14,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:40:15,090 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:40:15,093 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:40:15,272 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 23:40:15,272 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:40:15,326 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:40:15,327 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:40:15,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:40:15 BoogieIcfgContainer [2024-11-08 23:40:15,327 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:40:15,328 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:40:15,328 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:40:15,340 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:40:15,340 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:40:15" (1/1) ... [2024-11-08 23:40:15,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:40:15,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:15,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2024-11-08 23:40:15,410 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2024-11-08 23:40:15,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:40:15,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:15,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:15,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:40:15,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:15,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2024-11-08 23:40:15,935 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2024-11-08 23:40:15,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:40:15,936 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:15,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:15,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:16,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:40:16,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:16,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2024-11-08 23:40:16,115 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2024-11-08 23:40:16,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:40:16,116 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:16,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:16,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:16,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:40:16,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:16,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2024-11-08 23:40:16,369 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2024-11-08 23:40:16,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 23:40:16,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:16,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:16,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:16,514 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:40:16,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:16,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 44 transitions. [2024-11-08 23:40:16,714 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2024-11-08 23:40:16,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 23:40:16,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:16,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:16,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:16,894 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:40:17,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:17,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 35 states and 52 transitions. [2024-11-08 23:40:17,140 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2024-11-08 23:40:17,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 23:40:17,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:17,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:17,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:17,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:40:18,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:18,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 44 states and 71 transitions. [2024-11-08 23:40:18,645 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 71 transitions. [2024-11-08 23:40:18,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 23:40:18,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:18,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:18,716 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:40:18,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:18,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 44 states and 68 transitions. [2024-11-08 23:40:18,955 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 68 transitions. [2024-11-08 23:40:18,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 23:40:18,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:18,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:18,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:40:18,973 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:40:18,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:40:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:40:19,022 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:40:19,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:40:19,055 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 8 iterations. [2024-11-08 23:40:19,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:40:19 ImpRootNode [2024-11-08 23:40:19,088 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:40:19,089 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:40:19,089 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:40:19,089 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:40:19,090 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:40:15" (3/4) ... [2024-11-08 23:40:19,091 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 23:40:19,130 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db3164ca-41a7-46d5-968f-57f1a79145a9/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:40:19,131 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:40:19,131 INFO L158 Benchmark]: Toolchain (without parser) took 4899.01ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 102.4MB in the beginning and 83.0MB in the end (delta: 19.4MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. [2024-11-08 23:40:19,132 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 116.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:40:19,132 INFO L158 Benchmark]: CACSL2BoogieTranslator took 574.64ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 81.6MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 23:40:19,133 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.00ms. Allocated memory is still 142.6MB. Free memory was 81.6MB in the beginning and 80.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:40:19,133 INFO L158 Benchmark]: Boogie Preprocessor took 39.20ms. Allocated memory is still 142.6MB. Free memory was 80.1MB in the beginning and 78.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:40:19,134 INFO L158 Benchmark]: RCFGBuilder took 423.67ms. Allocated memory is still 142.6MB. Free memory was 78.5MB in the beginning and 64.8MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:40:19,134 INFO L158 Benchmark]: CodeCheck took 3760.20ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 64.4MB in the beginning and 85.1MB in the end (delta: -20.7MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2024-11-08 23:40:19,135 INFO L158 Benchmark]: Witness Printer took 41.73ms. Allocated memory is still 172.0MB. Free memory was 85.1MB in the beginning and 83.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:40:19,138 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 22 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 3.7s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 160 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 77 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 132 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 528 IncrementalHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 132 mSolverCounterUnsat, 44 mSDtfsCounter, 528 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 512 GetRequests, 452 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1203 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 205 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 2/10 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: 378]: integer overflow possible integer overflow possible We found a FailurePath: [L365] int i, j; [L366] int length = __VERIFIER_nondet_int(); [L367] COND TRUE length < 1 [L367] length = 1 [L368] int *arr = __builtin_alloca(length*sizeof(int)); VAL [arr={2:0}, length=1] [L369] COND FALSE !(!arr) [L370] i=0 VAL [arr={2:0}, i=0, length=1] [L370] COND FALSE !(i