./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc677802-bfaa-4270-8a97-08eabac9d648/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc677802-bfaa-4270-8a97-08eabac9d648/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc677802-bfaa-4270-8a97-08eabac9d648/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc677802-bfaa-4270-8a97-08eabac9d648/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc677802-bfaa-4270-8a97-08eabac9d648/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc677802-bfaa-4270-8a97-08eabac9d648/bin/ukojak-verify-G8NBE6pJGL --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 b1c73403384a361e15608c077b8e86297621fa69c42f15894e841079f64af74a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:44:16,839 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:44:16,919 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc677802-bfaa-4270-8a97-08eabac9d648/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:44:16,925 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:44:16,925 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:44:16,954 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:44:16,955 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:44:16,955 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:44:16,956 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:44:16,957 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:44:16,957 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:44:16,958 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:44:16,959 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:44:16,959 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:44:16,960 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:44:16,960 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:44:16,961 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:44:16,961 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:44:16,962 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:44:16,962 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:44:16,963 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:44:16,964 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:44:16,965 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:44:16,966 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:44:16,967 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:44:16,968 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:44:16,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:44:16,969 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:44:16,969 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:44:16,969 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:44:16,971 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:44:16,971 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:44:16,971 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:44:16,972 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_dc677802-bfaa-4270-8a97-08eabac9d648/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc677802-bfaa-4270-8a97-08eabac9d648/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1c73403384a361e15608c077b8e86297621fa69c42f15894e841079f64af74a [2023-11-19 03:44:17,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:44:17,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:44:17,285 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:44:17,286 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:44:17,287 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:44:17,288 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc677802-bfaa-4270-8a97-08eabac9d648/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i [2023-11-19 03:44:20,486 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:44:20,684 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:44:20,685 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc677802-bfaa-4270-8a97-08eabac9d648/sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i [2023-11-19 03:44:20,692 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc677802-bfaa-4270-8a97-08eabac9d648/bin/ukojak-verify-G8NBE6pJGL/data/2efff58b8/77576c63b7db4ee5a112a1cf58f1f06a/FLAG254a4d0a2 [2023-11-19 03:44:20,707 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc677802-bfaa-4270-8a97-08eabac9d648/bin/ukojak-verify-G8NBE6pJGL/data/2efff58b8/77576c63b7db4ee5a112a1cf58f1f06a [2023-11-19 03:44:20,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:44:20,711 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:44:20,713 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:44:20,713 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:44:20,718 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:44:20,719 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:44:20" (1/1) ... [2023-11-19 03:44:20,720 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@110d5d20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:20, skipping insertion in model container [2023-11-19 03:44:20,720 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:44:20" (1/1) ... [2023-11-19 03:44:20,741 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:44:20,893 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_dc677802-bfaa-4270-8a97-08eabac9d648/sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i[825,838] [2023-11-19 03:44:20,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:44:20,925 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:44:20,937 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_dc677802-bfaa-4270-8a97-08eabac9d648/sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i[825,838] [2023-11-19 03:44:20,945 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:44:20,960 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:44:20,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:20 WrapperNode [2023-11-19 03:44:20,961 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:44:20,963 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:44:20,963 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:44:20,963 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:44:20,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:20" (1/1) ... [2023-11-19 03:44:20,979 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:20" (1/1) ... [2023-11-19 03:44:21,003 INFO L138 Inliner]: procedures = 16, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 42 [2023-11-19 03:44:21,003 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:44:21,004 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:44:21,005 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:44:21,005 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:44:21,015 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:20" (1/1) ... [2023-11-19 03:44:21,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:20" (1/1) ... [2023-11-19 03:44:21,018 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:20" (1/1) ... [2023-11-19 03:44:21,019 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:20" (1/1) ... [2023-11-19 03:44:21,026 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:20" (1/1) ... [2023-11-19 03:44:21,030 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:20" (1/1) ... [2023-11-19 03:44:21,031 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:20" (1/1) ... [2023-11-19 03:44:21,032 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:20" (1/1) ... [2023-11-19 03:44:21,035 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:44:21,036 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:44:21,036 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:44:21,036 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:44:21,037 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:20" (1/1) ... [2023-11-19 03:44:21,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:44:21,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc677802-bfaa-4270-8a97-08eabac9d648/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:44:21,092 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc677802-bfaa-4270-8a97-08eabac9d648/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:44:21,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc677802-bfaa-4270-8a97-08eabac9d648/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:44:21,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:44:21,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:44:21,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:44:21,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:44:21,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:44:21,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:44:21,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:44:21,211 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:44:21,214 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:44:21,365 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:44:21,422 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:44:21,423 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:44:21,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:44:21 BoogieIcfgContainer [2023-11-19 03:44:21,433 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:44:21,434 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:44:21,434 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:44:21,444 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:44:21,445 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:44:21" (1/1) ... [2023-11-19 03:44:21,454 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:44:21,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:21,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-19 03:44:21,515 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-19 03:44:21,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:44:21,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:21,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:21,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:22,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:22,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:22,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2023-11-19 03:44:22,264 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2023-11-19 03:44:22,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:44:22,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:22,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:22,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:22,711 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:23,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:23,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2023-11-19 03:44:23,003 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2023-11-19 03:44:23,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:44:23,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:23,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:23,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:23,267 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:24,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:24,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2023-11-19 03:44:24,250 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2023-11-19 03:44:24,251 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:44:24,251 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2023-11-19 03:44:24,262 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:44:24,370 INFO L560 CodeCheckObserver]: Invariant with dag size 17 [2023-11-19 03:44:24,378 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~pathlim!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-19 03:44:24,380 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~pathlim!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-19 03:44:24,382 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~pathlim!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-19 03:44:24,382 INFO L560 CodeCheckObserver]: Invariant with dag size 13 [2023-11-19 03:44:24,383 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~pathlim!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-19 03:44:24,383 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~pathlim!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-19 03:44:24,384 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~p~0 [2023-11-19 03:44:24,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:44:24 ImpRootNode [2023-11-19 03:44:24,384 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:44:24,385 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:44:24,385 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:44:24,386 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:44:24,386 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:44:21" (3/4) ... [2023-11-19 03:44:24,388 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:44:24,397 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-19 03:44:24,398 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-19 03:44:24,398 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:44:24,398 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-19 03:44:24,504 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc677802-bfaa-4270-8a97-08eabac9d648/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:44:24,505 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc677802-bfaa-4270-8a97-08eabac9d648/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:44:24,505 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:44:24,506 INFO L158 Benchmark]: Toolchain (without parser) took 3794.62ms. Allocated memory was 142.6MB in the beginning and 237.0MB in the end (delta: 94.4MB). Free memory was 104.6MB in the beginning and 109.4MB in the end (delta: -4.8MB). Peak memory consumption was 91.1MB. Max. memory is 16.1GB. [2023-11-19 03:44:24,506 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 142.6MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:44:24,507 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.13ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 94.1MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:44:24,507 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.03ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 92.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:44:24,508 INFO L158 Benchmark]: Boogie Preprocessor took 30.69ms. Allocated memory is still 142.6MB. Free memory was 92.4MB in the beginning and 91.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:44:24,508 INFO L158 Benchmark]: RCFGBuilder took 396.74ms. Allocated memory is still 142.6MB. Free memory was 91.2MB in the beginning and 78.3MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:44:24,509 INFO L158 Benchmark]: CodeCheck took 2950.99ms. Allocated memory was 142.6MB in the beginning and 237.0MB in the end (delta: 94.4MB). Free memory was 78.3MB in the beginning and 113.6MB in the end (delta: -35.3MB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. [2023-11-19 03:44:24,509 INFO L158 Benchmark]: Witness Printer took 120.06ms. Allocated memory is still 237.0MB. Free memory was 113.6MB in the beginning and 109.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:44:24,512 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, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 103 IncrementalHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 3 mSDtfsCounter, 103 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 172 GetRequests, 125 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 738 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 84 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 7/9 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: 16]: 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 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 142.6MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.13ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 94.1MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.03ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 92.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.69ms. Allocated memory is still 142.6MB. Free memory was 92.4MB in the beginning and 91.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 396.74ms. Allocated memory is still 142.6MB. Free memory was 91.2MB in the beginning and 78.3MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 2950.99ms. Allocated memory was 142.6MB in the beginning and 237.0MB in the end (delta: 94.4MB). Free memory was 78.3MB in the beginning and 113.6MB in the end (delta: -35.3MB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. * Witness Printer took 120.06ms. Allocated memory is still 237.0MB. Free memory was 113.6MB in the beginning and 109.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~pathlim!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~pathlim!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~pathlim!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~pathlim!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~pathlim!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~p~0 RESULT: Ultimate proved your program to be correct! [2023-11-19 03:44:24,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc677802-bfaa-4270-8a97-08eabac9d648/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE