./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/res2of.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6077b897-ffe0-4e30-936c-2736fdd1a083/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6077b897-ffe0-4e30-936c-2736fdd1a083/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6077b897-ffe0-4e30-936c-2736fdd1a083/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6077b897-ffe0-4e30-936c-2736fdd1a083/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/res2of.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6077b897-ffe0-4e30-936c-2736fdd1a083/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6077b897-ffe0-4e30-936c-2736fdd1a083/bin/ukojak-verify-CZk0znPC7b --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 c443a32322d029170cf71bca98c2ac394c12ba940138aa3cb9e35513f4737641 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:50:40,722 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:50:40,773 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6077b897-ffe0-4e30-936c-2736fdd1a083/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:50:40,778 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:50:40,778 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:50:40,796 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:50:40,797 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:50:40,797 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:50:40,797 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:50:40,798 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:50:40,798 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:50:40,798 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:50:40,798 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:50:40,798 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:50:40,798 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:50:40,798 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:50:40,798 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:50:40,798 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:50:40,799 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:50:40,799 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:50:40,799 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:50:40,799 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:50:40,799 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:50:40,799 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:50:40,799 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:50:40,799 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:50:40,799 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:50:40,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:50:40,800 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:50:40,800 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:50:40,800 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:50:40,800 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:50:40,800 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:50:40,800 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_6077b897-ffe0-4e30-936c-2736fdd1a083/bin/ukojak-verify-CZk0znPC7b 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 -> c443a32322d029170cf71bca98c2ac394c12ba940138aa3cb9e35513f4737641 [2024-12-06 01:50:41,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:50:41,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:50:41,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:50:41,043 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:50:41,044 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:50:41,045 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6077b897-ffe0-4e30-936c-2736fdd1a083/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/array-fpi/res2of.c [2024-12-06 01:50:43,727 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6077b897-ffe0-4e30-936c-2736fdd1a083/bin/ukojak-verify-CZk0znPC7b/data/bdebaf79a/ee650b47e2f04c37a01bfb7080bc8768/FLAG73b0e6fe2 [2024-12-06 01:50:43,894 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:50:43,894 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6077b897-ffe0-4e30-936c-2736fdd1a083/sv-benchmarks/c/array-fpi/res2of.c [2024-12-06 01:50:43,901 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6077b897-ffe0-4e30-936c-2736fdd1a083/bin/ukojak-verify-CZk0znPC7b/data/bdebaf79a/ee650b47e2f04c37a01bfb7080bc8768/FLAG73b0e6fe2 [2024-12-06 01:50:43,915 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6077b897-ffe0-4e30-936c-2736fdd1a083/bin/ukojak-verify-CZk0znPC7b/data/bdebaf79a/ee650b47e2f04c37a01bfb7080bc8768 [2024-12-06 01:50:43,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:50:43,918 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:50:43,919 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:50:43,919 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:50:43,923 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:50:43,924 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:50:43" (1/1) ... [2024-12-06 01:50:43,925 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@364c20f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:43, skipping insertion in model container [2024-12-06 01:50:43,925 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:50:43" (1/1) ... [2024-12-06 01:50:43,939 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:50:44,073 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_6077b897-ffe0-4e30-936c-2736fdd1a083/sv-benchmarks/c/array-fpi/res2of.c[589,602] [2024-12-06 01:50:44,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:50:44,104 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:50:44,114 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_6077b897-ffe0-4e30-936c-2736fdd1a083/sv-benchmarks/c/array-fpi/res2of.c[589,602] [2024-12-06 01:50:44,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:50:44,137 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:50:44,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:44 WrapperNode [2024-12-06 01:50:44,137 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:50:44,138 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:50:44,139 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:50:44,139 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:50:44,145 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:44" (1/1) ... [2024-12-06 01:50:44,152 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:44" (1/1) ... [2024-12-06 01:50:44,170 INFO L138 Inliner]: procedures = 17, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 107 [2024-12-06 01:50:44,170 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:50:44,171 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:50:44,171 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:50:44,171 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:50:44,179 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:44" (1/1) ... [2024-12-06 01:50:44,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:44" (1/1) ... [2024-12-06 01:50:44,181 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:44" (1/1) ... [2024-12-06 01:50:44,182 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:44" (1/1) ... [2024-12-06 01:50:44,187 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:44" (1/1) ... [2024-12-06 01:50:44,188 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:44" (1/1) ... [2024-12-06 01:50:44,192 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:44" (1/1) ... [2024-12-06 01:50:44,193 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:44" (1/1) ... [2024-12-06 01:50:44,194 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:44" (1/1) ... [2024-12-06 01:50:44,195 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:50:44,196 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:50:44,197 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:50:44,197 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:50:44,198 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:50:44" (1/1) ... [2024-12-06 01:50:44,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:50:44,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6077b897-ffe0-4e30-936c-2736fdd1a083/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:50:44,228 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6077b897-ffe0-4e30-936c-2736fdd1a083/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:50:44,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6077b897-ffe0-4e30-936c-2736fdd1a083/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:50:44,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:50:44,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:50:44,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 01:50:44,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 01:50:44,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 01:50:44,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:50:44,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:50:44,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 01:50:44,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 01:50:44,320 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:50:44,322 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:50:44,483 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-12-06 01:50:44,483 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:50:44,536 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:50:44,536 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-12-06 01:50:44,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:50:44 BoogieIcfgContainer [2024-12-06 01:50:44,536 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:50:44,537 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:50:44,537 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:50:44,547 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:50:44,547 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:50:44" (1/1) ... [2024-12-06 01:50:44,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:50:44,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:50:44,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 14 states and 21 transitions. [2024-12-06 01:50:44,601 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2024-12-06 01:50:44,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 01:50:44,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:50:44,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:50:44,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:50:44,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:50:44,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:50:44,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2024-12-06 01:50:44,897 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2024-12-06 01:50:44,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 01:50:44,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:50:44,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:50:44,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:50:45,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 01:50:45,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:50:45,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2024-12-06 01:50:45,079 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2024-12-06 01:50:45,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 01:50:45,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:50:45,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:50:45,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:50:45,166 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 01:50:45,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:50:45,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2024-12-06 01:50:45,199 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2024-12-06 01:50:45,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:50:45,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:50:45,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:50:45,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:50:45,262 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 01:50:45,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:50:45,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2024-12-06 01:50:45,295 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2024-12-06 01:50:45,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 01:50:45,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:50:45,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:50:45,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:50:45,360 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 01:50:45,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:50:45,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2024-12-06 01:50:45,400 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2024-12-06 01:50:45,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 01:50:45,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:50:45,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:50:45,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:50:45,461 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 01:50:45,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:50:45,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2024-12-06 01:50:45,498 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2024-12-06 01:50:45,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 01:50:45,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:50:45,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:50:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:50:45,564 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:50:45,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:50:45,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:50:45,642 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:50:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:50:45,682 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2024-12-06 01:50:45,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:50:45 ImpRootNode [2024-12-06 01:50:45,714 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:50:45,714 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:50:45,714 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:50:45,715 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:50:45,715 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:50:44" (3/4) ... [2024-12-06 01:50:45,716 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 01:50:45,756 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 19. [2024-12-06 01:50:45,809 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6077b897-ffe0-4e30-936c-2736fdd1a083/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 01:50:45,809 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6077b897-ffe0-4e30-936c-2736fdd1a083/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 01:50:45,809 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:50:45,810 INFO L158 Benchmark]: Toolchain (without parser) took 1891.89ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 69.0MB in the end (delta: 23.6MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2024-12-06 01:50:45,810 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 72.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:50:45,811 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.58ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 80.9MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:50:45,811 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.07ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 79.5MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:50:45,811 INFO L158 Benchmark]: Boogie Preprocessor took 24.45ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 78.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:50:45,812 INFO L158 Benchmark]: RCFGBuilder took 339.92ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 62.0MB in the end (delta: 16.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:50:45,812 INFO L158 Benchmark]: CodeCheck took 1176.77ms. Allocated memory is still 117.4MB. Free memory was 62.0MB in the beginning and 74.5MB in the end (delta: -12.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:50:45,812 INFO L158 Benchmark]: Witness Printer took 94.91ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 69.0MB in the end (delta: 5.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:50:45,814 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, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 305 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 85 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 63 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 292 IncrementalHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 63 mSolverCounterUnsat, 24 mSDtfsCounter, 292 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 646 GetRequests, 615 SyntacticMatches, 25 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 69 ConstructedInterpolants, 0 QuantifiedInterpolants, 165 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 15/15 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, ConComCheckerStatistics: 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 sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L30] int *b = malloc(sizeof(int)*N); [L31] int *c = malloc(sizeof(int)*N); [L33] sum[0] = 0 [L34] i=0 VAL [N=1, a={-2:0}, b={-1:0}, c={6753:0}, i=0, sum={20174:0}] [L34] COND TRUE i