./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/res2f.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_840c506e-7185-43fd-8502-f4c4b0cda5fc/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840c506e-7185-43fd-8502-f4c4b0cda5fc/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_840c506e-7185-43fd-8502-f4c4b0cda5fc/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840c506e-7185-43fd-8502-f4c4b0cda5fc/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/res2f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840c506e-7185-43fd-8502-f4c4b0cda5fc/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_840c506e-7185-43fd-8502-f4c4b0cda5fc/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 219ff25dcfb107eec264b890e617d01b4ab0eae8d593ab3965da9d4eaab5cf5a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:56:38,554 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:56:38,608 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840c506e-7185-43fd-8502-f4c4b0cda5fc/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:56:38,613 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:56:38,613 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:56:38,633 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:56:38,634 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:56:38,634 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:56:38,634 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:56:38,634 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:56:38,635 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:56:38,635 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:56:38,635 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:56:38,635 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:56:38,635 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:56:38,635 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:56:38,635 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:56:38,635 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:56:38,635 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:56:38,635 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:56:38,636 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:56:38,636 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:56:38,636 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:56:38,636 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:56:38,636 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:56:38,636 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:56:38,636 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:56:38,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:56:38,636 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:56:38,636 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:56:38,637 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:56:38,637 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:56:38,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:56:38,637 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_840c506e-7185-43fd-8502-f4c4b0cda5fc/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 -> 219ff25dcfb107eec264b890e617d01b4ab0eae8d593ab3965da9d4eaab5cf5a [2024-12-06 01:56:38,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:56:38,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:56:38,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:56:38,847 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:56:38,847 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:56:38,848 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840c506e-7185-43fd-8502-f4c4b0cda5fc/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/array-fpi/res2f.c [2024-12-06 01:56:41,522 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840c506e-7185-43fd-8502-f4c4b0cda5fc/bin/ukojak-verify-CZk0znPC7b/data/c06fc286d/bd9cc6383d44446f854b48ca4ce802a2/FLAG8ea99507f [2024-12-06 01:56:41,701 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:56:41,702 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840c506e-7185-43fd-8502-f4c4b0cda5fc/sv-benchmarks/c/array-fpi/res2f.c [2024-12-06 01:56:41,707 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840c506e-7185-43fd-8502-f4c4b0cda5fc/bin/ukojak-verify-CZk0znPC7b/data/c06fc286d/bd9cc6383d44446f854b48ca4ce802a2/FLAG8ea99507f [2024-12-06 01:56:42,069 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840c506e-7185-43fd-8502-f4c4b0cda5fc/bin/ukojak-verify-CZk0znPC7b/data/c06fc286d/bd9cc6383d44446f854b48ca4ce802a2 [2024-12-06 01:56:42,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:56:42,073 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:56:42,073 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:56:42,074 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:56:42,076 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:56:42,077 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:56:42" (1/1) ... [2024-12-06 01:56:42,077 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55412ebc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:56:42, skipping insertion in model container [2024-12-06 01:56:42,078 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:56:42" (1/1) ... [2024-12-06 01:56:42,089 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:56:42,217 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_840c506e-7185-43fd-8502-f4c4b0cda5fc/sv-benchmarks/c/array-fpi/res2f.c[588,601] [2024-12-06 01:56:42,239 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:56:42,248 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:56:42,259 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_840c506e-7185-43fd-8502-f4c4b0cda5fc/sv-benchmarks/c/array-fpi/res2f.c[588,601] [2024-12-06 01:56:42,268 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:56:42,281 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:56:42,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:56:42 WrapperNode [2024-12-06 01:56:42,282 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:56:42,283 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:56:42,283 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:56:42,283 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:56:42,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:56:42" (1/1) ... [2024-12-06 01:56:42,296 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:56:42" (1/1) ... [2024-12-06 01:56:42,313 INFO L138 Inliner]: procedures = 17, calls = 37, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 115 [2024-12-06 01:56:42,313 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:56:42,314 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:56:42,314 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:56:42,314 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:56:42,321 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:56:42" (1/1) ... [2024-12-06 01:56:42,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:56:42" (1/1) ... [2024-12-06 01:56:42,323 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:56:42" (1/1) ... [2024-12-06 01:56:42,324 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:56:42" (1/1) ... [2024-12-06 01:56:42,329 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:56:42" (1/1) ... [2024-12-06 01:56:42,330 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:56:42" (1/1) ... [2024-12-06 01:56:42,333 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:56:42" (1/1) ... [2024-12-06 01:56:42,335 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:56:42" (1/1) ... [2024-12-06 01:56:42,336 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:56:42" (1/1) ... [2024-12-06 01:56:42,338 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:56:42,338 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:56:42,338 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:56:42,338 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:56:42,339 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:56:42" (1/1) ... [2024-12-06 01:56:42,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:56:42,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840c506e-7185-43fd-8502-f4c4b0cda5fc/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:56:42,367 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840c506e-7185-43fd-8502-f4c4b0cda5fc/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:56:42,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840c506e-7185-43fd-8502-f4c4b0cda5fc/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:56:42,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:56:42,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:56:42,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 01:56:42,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 01:56:42,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 01:56:42,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:56:42,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:56:42,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 01:56:42,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 01:56:42,451 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:56:42,453 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:56:42,598 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-12-06 01:56:42,598 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:56:42,647 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:56:42,647 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-12-06 01:56:42,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:56:42 BoogieIcfgContainer [2024-12-06 01:56:42,648 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:56:42,649 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:56:42,649 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:56:42,656 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:56:42,656 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:56:42" (1/1) ... [2024-12-06 01:56:42,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:56:42,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:56:42,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 14 states and 21 transitions. [2024-12-06 01:56:42,700 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2024-12-06 01:56:42,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 01:56:42,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:56:42,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:56:42,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:56:42,930 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 01:56:42,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:56:42,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2024-12-06 01:56:42,993 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2024-12-06 01:56:42,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 01:56:42,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:56:42,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:56:43,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:56:43,113 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 01:56:43,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:56:43,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2024-12-06 01:56:43,180 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2024-12-06 01:56:43,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 01:56:43,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:56:43,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:56:43,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:56:43,268 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 01:56:43,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:56:43,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2024-12-06 01:56:43,300 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2024-12-06 01:56:43,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:56:43,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:56:43,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:56:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:56:43,366 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 01:56:43,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:56:43,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2024-12-06 01:56:43,402 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2024-12-06 01:56:43,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 01:56:43,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:56:43,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:56:43,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:56:43,455 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 01:56:43,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:56:43,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2024-12-06 01:56:43,495 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2024-12-06 01:56:43,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 01:56:43,495 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:56:43,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:56:43,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:56:43,566 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 01:56:43,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:56:43,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2024-12-06 01:56:43,602 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2024-12-06 01:56:43,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 01:56:43,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:56:43,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:56:43,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:56:43,646 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:56:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:56:43,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:56:43,727 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:56:43,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:56:43,763 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2024-12-06 01:56:43,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:56:43 ImpRootNode [2024-12-06 01:56:43,793 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:56:43,794 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:56:43,794 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:56:43,794 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:56:43,795 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:56:42" (3/4) ... [2024-12-06 01:56:43,795 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 01:56:43,834 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 19. [2024-12-06 01:56:43,879 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840c506e-7185-43fd-8502-f4c4b0cda5fc/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 01:56:43,879 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_840c506e-7185-43fd-8502-f4c4b0cda5fc/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 01:56:43,879 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:56:43,880 INFO L158 Benchmark]: Toolchain (without parser) took 1807.18ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 63.7MB in the end (delta: 28.8MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2024-12-06 01:56:43,880 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:56:43,880 INFO L158 Benchmark]: CACSL2BoogieTranslator took 209.03ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 80.7MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:56:43,881 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.37ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.1MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:56:43,881 INFO L158 Benchmark]: Boogie Preprocessor took 23.68ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 78.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:56:43,881 INFO L158 Benchmark]: RCFGBuilder took 309.76ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 61.3MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:56:43,881 INFO L158 Benchmark]: CodeCheck took 1144.93ms. Allocated memory is still 117.4MB. Free memory was 61.1MB in the beginning and 68.8MB in the end (delta: -7.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:56:43,882 INFO L158 Benchmark]: Witness Printer took 85.01ms. Allocated memory is still 117.4MB. Free memory was 68.8MB in the beginning and 63.7MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:56:43,884 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, 0.5s 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] = 1 [L34] i=0 VAL [N=1, a={-1:0}, b={-2:0}, c={-3:0}, i=0, sum={12974:0}] [L34] COND TRUE i