./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/nec40.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_dd6106a8-ef55-4953-a837-b63f7c64efd9/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6106a8-ef55-4953-a837-b63f7c64efd9/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_dd6106a8-ef55-4953-a837-b63f7c64efd9/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6106a8-ef55-4953-a837-b63f7c64efd9/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/nec40.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6106a8-ef55-4953-a837-b63f7c64efd9/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6106a8-ef55-4953-a837-b63f7c64efd9/bin/ukojak-verify-ImItNfHLgk --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 a8ae9bcd5a551c2558190e4ca1b7d8543f9adf38b9d950429bd2292753c8e588 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:50:58,784 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:50:58,865 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6106a8-ef55-4953-a837-b63f7c64efd9/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:50:58,872 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:50:58,873 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:50:58,905 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:50:58,906 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:50:58,906 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:50:58,907 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:50:58,907 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:50:58,908 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:50:58,908 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:50:58,908 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:50:58,909 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:50:58,909 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:50:58,909 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:50:58,910 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:50:58,910 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:50:58,911 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:50:58,911 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:50:58,911 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:50:58,915 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:50:58,915 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:50:58,916 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:50:58,916 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:50:58,916 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:50:58,916 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:50:58,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:50:58,917 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:50:58,917 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:50:58,918 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:50:58,918 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:50:58,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:50:58,918 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_dd6106a8-ef55-4953-a837-b63f7c64efd9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6106a8-ef55-4953-a837-b63f7c64efd9/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8ae9bcd5a551c2558190e4ca1b7d8543f9adf38b9d950429bd2292753c8e588 [2024-11-09 00:50:59,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:50:59,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:50:59,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:50:59,267 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:50:59,268 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:50:59,269 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6106a8-ef55-4953-a837-b63f7c64efd9/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/loops/nec40.c Unable to find full path for "g++" [2024-11-09 00:51:01,328 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:51:01,529 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:51:01,530 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6106a8-ef55-4953-a837-b63f7c64efd9/sv-benchmarks/c/loops/nec40.c [2024-11-09 00:51:01,537 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6106a8-ef55-4953-a837-b63f7c64efd9/bin/ukojak-verify-ImItNfHLgk/data/0cee037b3/849dda40c7e5402f933293253d0578de/FLAGb547f73d1 [2024-11-09 00:51:01,926 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6106a8-ef55-4953-a837-b63f7c64efd9/bin/ukojak-verify-ImItNfHLgk/data/0cee037b3/849dda40c7e5402f933293253d0578de [2024-11-09 00:51:01,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:51:01,933 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:51:01,935 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:51:01,935 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:51:01,940 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:51:01,941 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:51:01" (1/1) ... [2024-11-09 00:51:01,942 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cb52fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:01, skipping insertion in model container [2024-11-09 00:51:01,942 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:51:01" (1/1) ... [2024-11-09 00:51:01,960 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:51:02,139 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_dd6106a8-ef55-4953-a837-b63f7c64efd9/sv-benchmarks/c/loops/nec40.c[317,330] [2024-11-09 00:51:02,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:51:02,181 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:51:02,196 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_dd6106a8-ef55-4953-a837-b63f7c64efd9/sv-benchmarks/c/loops/nec40.c[317,330] [2024-11-09 00:51:02,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:51:02,245 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:51:02,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:02 WrapperNode [2024-11-09 00:51:02,247 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:51:02,248 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:51:02,248 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:51:02,249 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:51:02,259 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:02" (1/1) ... [2024-11-09 00:51:02,272 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:02" (1/1) ... [2024-11-09 00:51:02,317 INFO L138 Inliner]: procedures = 13, calls = 223, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 256 [2024-11-09 00:51:02,317 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:51:02,319 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:51:02,319 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:51:02,319 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:51:02,329 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:02" (1/1) ... [2024-11-09 00:51:02,329 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:02" (1/1) ... [2024-11-09 00:51:02,334 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:02" (1/1) ... [2024-11-09 00:51:02,334 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:02" (1/1) ... [2024-11-09 00:51:02,346 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:02" (1/1) ... [2024-11-09 00:51:02,350 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:02" (1/1) ... [2024-11-09 00:51:02,352 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:02" (1/1) ... [2024-11-09 00:51:02,354 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:02" (1/1) ... [2024-11-09 00:51:02,357 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:51:02,358 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:51:02,358 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:51:02,358 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:51:02,359 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:02" (1/1) ... [2024-11-09 00:51:02,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:51:02,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6106a8-ef55-4953-a837-b63f7c64efd9/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:51:02,401 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6106a8-ef55-4953-a837-b63f7c64efd9/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:51:02,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6106a8-ef55-4953-a837-b63f7c64efd9/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:51:02,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 00:51:02,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:51:02,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:51:02,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:51:02,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 00:51:02,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:51:02,509 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:51:02,512 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:51:02,879 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-09 00:51:02,879 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:51:02,970 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:51:02,970 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:51:02,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:51:02 BoogieIcfgContainer [2024-11-09 00:51:02,974 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:51:02,975 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:51:02,975 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:51:02,987 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:51:02,988 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:51:02" (1/1) ... [2024-11-09 00:51:03,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:51:03,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:51:03,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-11-09 00:51:03,076 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-11-09 00:51:03,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:51:03,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:51:03,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:51:03,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:51:03,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:51:03,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:51:03,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-09 00:51:03,529 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-09 00:51:03,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:51:03,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:51:03,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:51:03,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:51:03,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:51:03,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:51:03,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2024-11-09 00:51:03,875 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-11-09 00:51:03,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 00:51:03,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:51:03,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:51:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:51:04,438 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:51:04,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:51:04,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 7 states and 6 transitions. [2024-11-09 00:51:04,648 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2024-11-09 00:51:04,648 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 00:51:04,649 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2024-11-09 00:51:04,658 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-09 00:51:04,687 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-09 00:51:04,687 INFO L75 FloydHoareUtils]: For program point L27(lines 27 28) no Hoare annotation was computed. [2024-11-09 00:51:04,687 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-09 00:51:04,687 INFO L75 FloydHoareUtils]: For program point L7(line 7) no Hoare annotation was computed. [2024-11-09 00:51:04,688 INFO L77 FloydHoareUtils]: At program point L26(lines 26 28) the Hoare annotation is: (= ~i~0 0) [2024-11-09 00:51:04,688 INFO L77 FloydHoareUtils]: At program point L26-1(lines 26 28) the Hoare annotation is: true [2024-11-09 00:51:04,688 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7) no Hoare annotation was computed. [2024-11-09 00:51:04,688 INFO L77 FloydHoareUtils]: At program point L20-1(lines 20 23) the Hoare annotation is: (and (= |ULTIMATE.start_main_#t~mem5#1| 0) (= ~i~0 0) (= |~#x~0.offset| 0)) [2024-11-09 00:51:04,689 INFO L77 FloydHoareUtils]: At program point L20-3(lines 20 23) the Hoare annotation is: (and (= ~i~0 0) (= (select (select |#memory_int| |~#x~0.base|) 0) 0) (= |~#x~0.offset| 0)) [2024-11-09 00:51:04,689 INFO L77 FloydHoareUtils]: At program point L20-4(lines 20 23) the Hoare annotation is: (= ~i~0 0) [2024-11-09 00:51:04,689 INFO L75 FloydHoareUtils]: For program point L6(lines 6 8) no Hoare annotation was computed. [2024-11-09 00:51:04,689 INFO L75 FloydHoareUtils]: For program point L6-2(lines 5 10) no Hoare annotation was computed. [2024-11-09 00:51:04,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:51:04 ImpRootNode [2024-11-09 00:51:04,701 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:51:04,702 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:51:04,702 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:51:04,702 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:51:04,703 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:51:02" (3/4) ... [2024-11-09 00:51:04,709 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 00:51:04,724 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-09 00:51:04,726 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-09 00:51:04,726 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 00:51:04,727 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 00:51:04,728 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 00:51:04,862 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6106a8-ef55-4953-a837-b63f7c64efd9/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:51:04,865 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6106a8-ef55-4953-a837-b63f7c64efd9/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-09 00:51:04,865 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:51:04,866 INFO L158 Benchmark]: Toolchain (without parser) took 2933.09ms. Allocated memory was 176.2MB in the beginning and 222.3MB in the end (delta: 46.1MB). Free memory was 130.4MB in the beginning and 162.2MB in the end (delta: -31.9MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2024-11-09 00:51:04,866 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 176.2MB. Free memory is still 144.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:51:04,867 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.26ms. Allocated memory is still 176.2MB. Free memory was 129.9MB in the beginning and 115.7MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:51:04,867 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.03ms. Allocated memory is still 176.2MB. Free memory was 115.7MB in the beginning and 112.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:51:04,867 INFO L158 Benchmark]: Boogie Preprocessor took 38.20ms. Allocated memory is still 176.2MB. Free memory was 112.6MB in the beginning and 109.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:51:04,868 INFO L158 Benchmark]: RCFGBuilder took 615.99ms. Allocated memory is still 176.2MB. Free memory was 109.9MB in the beginning and 81.7MB in the end (delta: 28.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-09 00:51:04,868 INFO L158 Benchmark]: CodeCheck took 1726.91ms. Allocated memory was 176.2MB in the beginning and 222.3MB in the end (delta: 46.1MB). Free memory was 81.7MB in the beginning and 169.6MB in the end (delta: -87.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:51:04,870 INFO L158 Benchmark]: Witness Printer took 163.07ms. Allocated memory is still 222.3MB. Free memory was 169.6MB in the beginning and 162.2MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 00:51:04,872 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, 12 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 69 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 47 IncrementalHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 37 mSDtfsCounter, 47 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 169 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 52 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 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 - PositiveResult [Line: 7]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 176.2MB. Free memory is still 144.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.26ms. Allocated memory is still 176.2MB. Free memory was 129.9MB in the beginning and 115.7MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.03ms. Allocated memory is still 176.2MB. Free memory was 115.7MB in the beginning and 112.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.20ms. Allocated memory is still 176.2MB. Free memory was 112.6MB in the beginning and 109.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 615.99ms. Allocated memory is still 176.2MB. Free memory was 109.9MB in the beginning and 81.7MB in the end (delta: 28.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * CodeCheck took 1726.91ms. Allocated memory was 176.2MB in the beginning and 222.3MB in the end (delta: 46.1MB). Free memory was 81.7MB in the beginning and 169.6MB in the end (delta: -87.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 163.07ms. Allocated memory is still 222.3MB. Free memory was 169.6MB in the beginning and 162.2MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-09 00:51:04,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6106a8-ef55-4953-a837-b63f7c64efd9/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE