./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ms1f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_3cb6de66-aca0-4ad9-b1bf-4e30aac85565/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb6de66-aca0-4ad9-b1bf-4e30aac85565/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb6de66-aca0-4ad9-b1bf-4e30aac85565/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb6de66-aca0-4ad9-b1bf-4e30aac85565/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/ms1f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb6de66-aca0-4ad9-b1bf-4e30aac85565/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb6de66-aca0-4ad9-b1bf-4e30aac85565/bin/ukojak-verify-afCqCEvfdi --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 6d53d0c5140132772dbe7b2411a0e5f61e1871ba1484fe3a275622a831eef23f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:10:31,153 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:10:31,274 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb6de66-aca0-4ad9-b1bf-4e30aac85565/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:10:31,283 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:10:31,284 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:10:31,329 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:10:31,331 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:10:31,331 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:10:31,332 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:10:31,339 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:10:31,340 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:10:31,341 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:10:31,341 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:10:31,343 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:10:31,343 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:10:31,344 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:10:31,344 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:10:31,345 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:10:31,345 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:10:31,346 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:10:31,346 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:10:31,347 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:10:31,348 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:10:31,348 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:10:31,349 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:10:31,349 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:10:31,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:31,350 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:10:31,350 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:10:31,351 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:10:31,352 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:10:31,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:10:31,353 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:10:31,353 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_3cb6de66-aca0-4ad9-b1bf-4e30aac85565/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb6de66-aca0-4ad9-b1bf-4e30aac85565/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d53d0c5140132772dbe7b2411a0e5f61e1871ba1484fe3a275622a831eef23f [2023-11-24 22:10:31,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:10:31,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:10:31,713 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:10:31,715 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:10:31,716 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:10:31,717 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb6de66-aca0-4ad9-b1bf-4e30aac85565/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/array-fpi/ms1f.c [2023-11-24 22:10:35,025 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:10:35,354 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:10:35,355 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb6de66-aca0-4ad9-b1bf-4e30aac85565/sv-benchmarks/c/array-fpi/ms1f.c [2023-11-24 22:10:35,365 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb6de66-aca0-4ad9-b1bf-4e30aac85565/bin/ukojak-verify-afCqCEvfdi/data/9af3ce00d/9df73d860c7144cebf7aae7ed58c3e66/FLAGd672056d9 [2023-11-24 22:10:35,384 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb6de66-aca0-4ad9-b1bf-4e30aac85565/bin/ukojak-verify-afCqCEvfdi/data/9af3ce00d/9df73d860c7144cebf7aae7ed58c3e66 [2023-11-24 22:10:35,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:10:35,390 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:10:35,392 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:35,393 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:10:35,399 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:10:35,400 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:35" (1/1) ... [2023-11-24 22:10:35,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63b287ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:35, skipping insertion in model container [2023-11-24 22:10:35,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:35" (1/1) ... [2023-11-24 22:10:35,431 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:10:35,621 WARN L240 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_3cb6de66-aca0-4ad9-b1bf-4e30aac85565/sv-benchmarks/c/array-fpi/ms1f.c[587,600] [2023-11-24 22:10:35,642 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:35,653 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:10:35,670 WARN L240 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_3cb6de66-aca0-4ad9-b1bf-4e30aac85565/sv-benchmarks/c/array-fpi/ms1f.c[587,600] [2023-11-24 22:10:35,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:35,699 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:10:35,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:35 WrapperNode [2023-11-24 22:10:35,700 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:35,702 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:35,702 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:10:35,702 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:10:35,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:35" (1/1) ... [2023-11-24 22:10:35,721 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:35" (1/1) ... [2023-11-24 22:10:35,749 INFO L138 Inliner]: procedures = 17, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2023-11-24 22:10:35,750 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:35,751 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:10:35,751 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:10:35,751 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:10:35,763 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:35" (1/1) ... [2023-11-24 22:10:35,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:35" (1/1) ... [2023-11-24 22:10:35,769 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:35" (1/1) ... [2023-11-24 22:10:35,769 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:35" (1/1) ... [2023-11-24 22:10:35,786 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:35" (1/1) ... [2023-11-24 22:10:35,791 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:35" (1/1) ... [2023-11-24 22:10:35,793 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:35" (1/1) ... [2023-11-24 22:10:35,794 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:35" (1/1) ... [2023-11-24 22:10:35,797 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:10:35,798 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:10:35,799 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:10:35,799 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:10:35,800 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:35" (1/1) ... [2023-11-24 22:10:35,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:35,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb6de66-aca0-4ad9-b1bf-4e30aac85565/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:10:35,841 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb6de66-aca0-4ad9-b1bf-4e30aac85565/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:10:35,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb6de66-aca0-4ad9-b1bf-4e30aac85565/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:10:35,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:10:35,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:10:35,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:10:35,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:10:35,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:10:35,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:10:35,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:10:35,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:10:35,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:10:35,983 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:10:35,986 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:10:36,165 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:10:36,235 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:10:36,235 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:10:36,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:36 BoogieIcfgContainer [2023-11-24 22:10:36,237 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:10:36,238 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:10:36,239 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:10:36,249 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:10:36,250 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:36" (1/1) ... [2023-11-24 22:10:36,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:10:36,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:36,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2023-11-24 22:10:36,319 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2023-11-24 22:10:36,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:10:36,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:36,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:36,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:36,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:10:36,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:36,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2023-11-24 22:10:36,794 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2023-11-24 22:10:36,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:10:36,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:36,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:37,003 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:10:37,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:37,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-11-24 22:10:37,103 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-11-24 22:10:37,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:10:37,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:37,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:37,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:10:37,218 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:10:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:10:37,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:10:37,394 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:10:37,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:10:37,429 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-11-24 22:10:37,461 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-24 22:10:37,463 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem9 could not be translated [2023-11-24 22:10:37,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:10:37 ImpRootNode [2023-11-24 22:10:37,475 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:10:37,477 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:10:37,478 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:10:37,478 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:10:37,479 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:36" (3/4) ... [2023-11-24 22:10:37,480 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-24 22:10:37,495 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-24 22:10:37,496 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem9 could not be translated [2023-11-24 22:10:37,541 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb6de66-aca0-4ad9-b1bf-4e30aac85565/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:10:37,541 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:10:37,542 INFO L158 Benchmark]: Toolchain (without parser) took 2152.23ms. Allocated memory is still 161.5MB. Free memory was 128.1MB in the beginning and 61.9MB in the end (delta: 66.2MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2023-11-24 22:10:37,543 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 134.2MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:10:37,544 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.52ms. Allocated memory is still 161.5MB. Free memory was 127.6MB in the beginning and 117.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:10:37,545 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.43ms. Allocated memory is still 161.5MB. Free memory was 117.1MB in the beginning and 115.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:10:37,546 INFO L158 Benchmark]: Boogie Preprocessor took 46.73ms. Allocated memory is still 161.5MB. Free memory was 115.0MB in the beginning and 113.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:10:37,547 INFO L158 Benchmark]: RCFGBuilder took 439.14ms. Allocated memory is still 161.5MB. Free memory was 113.6MB in the beginning and 99.6MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:10:37,548 INFO L158 Benchmark]: CodeCheck took 1237.33ms. Allocated memory is still 161.5MB. Free memory was 99.6MB in the beginning and 64.0MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-24 22:10:37,548 INFO L158 Benchmark]: Witness Printer took 64.14ms. Allocated memory is still 161.5MB. Free memory was 64.0MB in the beginning and 61.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:10:37,553 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, 10 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 37 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30 IncrementalHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 8 mSDtfsCounter, 30 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 89 SyntacticMatches, 1 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, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1/1 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] int sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L31] i=0 VAL [N=1, a={-1:0}, i=0, sum={13507:0}] [L31] COND TRUE i