./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_1+newton_1_5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_eba70fb7-b5fc-4772-b216-223220f0ee39/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba70fb7-b5fc-4772-b216-223220f0ee39/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba70fb7-b5fc-4772-b216-223220f0ee39/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba70fb7-b5fc-4772-b216-223220f0ee39/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_1_5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba70fb7-b5fc-4772-b216-223220f0ee39/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba70fb7-b5fc-4772-b216-223220f0ee39/bin/ukojak-verify-Qdu7aM0XO9 --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 3fd336a0cf083f3890b8c868f630a501a442e53f25a6db757ae043988dd949bf --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:15:58,895 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:15:58,957 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba70fb7-b5fc-4772-b216-223220f0ee39/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 23:15:58,962 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:15:58,963 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:15:58,985 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:15:58,985 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:15:58,986 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:15:58,987 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:15:58,987 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:15:58,988 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:15:58,989 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:15:58,989 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:15:58,990 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:15:58,990 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:15:58,991 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:15:58,991 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:15:58,992 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:15:58,992 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:15:58,993 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:15:58,993 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:15:58,996 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:15:58,997 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:15:58,997 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:15:58,998 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:15:58,998 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:15:58,999 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:15:58,999 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:15:59,000 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:15:59,000 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:15:59,000 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:15:59,001 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:15:59,001 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:15:59,001 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_eba70fb7-b5fc-4772-b216-223220f0ee39/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba70fb7-b5fc-4772-b216-223220f0ee39/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3fd336a0cf083f3890b8c868f630a501a442e53f25a6db757ae043988dd949bf [2023-12-02 23:15:59,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:15:59,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:15:59,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:15:59,224 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:15:59,225 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:15:59,226 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba70fb7-b5fc-4772-b216-223220f0ee39/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/combinations/gcd_1+newton_1_5.i [2023-12-02 23:16:02,010 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:16:02,160 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:16:02,161 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba70fb7-b5fc-4772-b216-223220f0ee39/sv-benchmarks/c/combinations/gcd_1+newton_1_5.i [2023-12-02 23:16:02,168 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba70fb7-b5fc-4772-b216-223220f0ee39/bin/ukojak-verify-Qdu7aM0XO9/data/2d770cc48/46dc09b68ba5479da3e9efb37825dc19/FLAG5a959ae52 [2023-12-02 23:16:02,179 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba70fb7-b5fc-4772-b216-223220f0ee39/bin/ukojak-verify-Qdu7aM0XO9/data/2d770cc48/46dc09b68ba5479da3e9efb37825dc19 [2023-12-02 23:16:02,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:16:02,182 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:16:02,183 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:16:02,183 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:16:02,187 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:16:02,188 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:16:02" (1/1) ... [2023-12-02 23:16:02,189 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49b5b47b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:02, skipping insertion in model container [2023-12-02 23:16:02,189 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:16:02" (1/1) ... [2023-12-02 23:16:02,211 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:16:02,337 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_eba70fb7-b5fc-4772-b216-223220f0ee39/sv-benchmarks/c/combinations/gcd_1+newton_1_5.i[1226,1239] [2023-12-02 23:16:02,360 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_eba70fb7-b5fc-4772-b216-223220f0ee39/sv-benchmarks/c/combinations/gcd_1+newton_1_5.i[2786,2799] [2023-12-02 23:16:02,361 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:16:02,372 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:16:02,383 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_eba70fb7-b5fc-4772-b216-223220f0ee39/sv-benchmarks/c/combinations/gcd_1+newton_1_5.i[1226,1239] [2023-12-02 23:16:02,394 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_eba70fb7-b5fc-4772-b216-223220f0ee39/sv-benchmarks/c/combinations/gcd_1+newton_1_5.i[2786,2799] [2023-12-02 23:16:02,395 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:16:02,409 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:16:02,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:02 WrapperNode [2023-12-02 23:16:02,410 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:16:02,411 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:16:02,411 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:16:02,411 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:16:02,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:02" (1/1) ... [2023-12-02 23:16:02,426 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:02" (1/1) ... [2023-12-02 23:16:02,451 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 89 [2023-12-02 23:16:02,452 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:16:02,453 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:16:02,453 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:16:02,453 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:16:02,460 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:02" (1/1) ... [2023-12-02 23:16:02,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:02" (1/1) ... [2023-12-02 23:16:02,463 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:02" (1/1) ... [2023-12-02 23:16:02,463 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:02" (1/1) ... [2023-12-02 23:16:02,469 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:02" (1/1) ... [2023-12-02 23:16:02,472 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:02" (1/1) ... [2023-12-02 23:16:02,474 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:02" (1/1) ... [2023-12-02 23:16:02,475 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:02" (1/1) ... [2023-12-02 23:16:02,478 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:16:02,479 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:16:02,479 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:16:02,479 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:16:02,480 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:02" (1/1) ... [2023-12-02 23:16:02,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:16:02,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba70fb7-b5fc-4772-b216-223220f0ee39/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:16:02,510 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba70fb7-b5fc-4772-b216-223220f0ee39/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:16:02,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba70fb7-b5fc-4772-b216-223220f0ee39/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:16:02,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:16:02,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:16:02,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:16:02,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:16:02,617 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:16:02,619 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:16:02,763 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:16:02,824 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:16:02,825 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:16:02,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:16:02 BoogieIcfgContainer [2023-12-02 23:16:02,826 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:16:02,827 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:16:02,827 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:16:02,838 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:16:02,838 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:16:02" (1/1) ... [2023-12-02 23:16:02,847 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:16:02,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:02,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2023-12-02 23:16:02,903 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2023-12-02 23:16:02,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:16:02,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:02,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:03,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:16:03,024 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:16:03,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:16:03,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:16:03,077 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:16:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:16:03,095 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 23:16:03,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:16:03 ImpRootNode [2023-12-02 23:16:03,114 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:16:03,115 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:16:03,115 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:16:03,115 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:16:03,115 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:16:02" (3/4) ... [2023-12-02 23:16:03,118 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:16:03,119 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:16:03,120 INFO L158 Benchmark]: Toolchain (without parser) took 937.70ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 92.2MB in the beginning and 129.9MB in the end (delta: -37.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:16:03,121 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory is still 54.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:16:03,122 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.17ms. Allocated memory is still 136.3MB. Free memory was 91.7MB in the beginning and 80.2MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 23:16:03,122 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.93ms. Allocated memory is still 136.3MB. Free memory was 80.2MB in the beginning and 78.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:16:03,123 INFO L158 Benchmark]: Boogie Preprocessor took 25.41ms. Allocated memory is still 136.3MB. Free memory was 78.2MB in the beginning and 77.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:16:03,124 INFO L158 Benchmark]: RCFGBuilder took 347.82ms. Allocated memory is still 136.3MB. Free memory was 77.0MB in the beginning and 61.4MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 23:16:03,124 INFO L158 Benchmark]: CodeCheck took 286.43ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 61.4MB in the beginning and 130.9MB in the end (delta: -69.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:16:03,125 INFO L158 Benchmark]: Witness Printer took 4.77ms. Allocated memory is still 163.6MB. Free memory was 130.9MB in the beginning and 129.9MB in the end (delta: 925.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:16:03,129 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 - UnprovableResult [Line: 102]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someBinaryDOUBLEComparisonOperation at line 101, overapproximation of someBinaryArithmeticFLOAToperation at line 80. Possible FailurePath: [L108] COND FALSE !(__VERIFIER_nondet_int()) [L111] CALL main2() [L90] float IN = __VERIFIER_nondet_float(); [L91] CALL assume_abort_if_not(IN > -1.0f && IN < 1.0f) [L75] COND FALSE !(!cond) [L91] RET assume_abort_if_not(IN > -1.0f && IN < 1.0f) [L93] CALL, EXPR f(IN) [L80] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L93] RET, EXPR f(IN) [L93] CALL, EXPR fp(IN) [L85] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L93] RET, EXPR fp(IN) [L93] float x = IN - f(IN)/fp(IN); [L101] COND TRUE !(x < 0.1) [L102] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory is still 54.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 227.17ms. Allocated memory is still 136.3MB. Free memory was 91.7MB in the beginning and 80.2MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.93ms. Allocated memory is still 136.3MB. Free memory was 80.2MB in the beginning and 78.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.41ms. Allocated memory is still 136.3MB. Free memory was 78.2MB in the beginning and 77.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 347.82ms. Allocated memory is still 136.3MB. Free memory was 77.0MB in the beginning and 61.4MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 286.43ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 61.4MB in the beginning and 130.9MB in the end (delta: -69.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.77ms. Allocated memory is still 163.6MB. Free memory was 130.9MB in the beginning and 129.9MB in the end (delta: 925.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 23:16:03,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba70fb7-b5fc-4772-b216-223220f0ee39/bin/ukojak-verify-Qdu7aM0XO9/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_eba70fb7-b5fc-4772-b216-223220f0ee39/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba70fb7-b5fc-4772-b216-223220f0ee39/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba70fb7-b5fc-4772-b216-223220f0ee39/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba70fb7-b5fc-4772-b216-223220f0ee39/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_1_5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba70fb7-b5fc-4772-b216-223220f0ee39/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba70fb7-b5fc-4772-b216-223220f0ee39/bin/ukojak-verify-Qdu7aM0XO9 --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 3fd336a0cf083f3890b8c868f630a501a442e53f25a6db757ae043988dd949bf --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:16:05,118 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:16:05,198 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba70fb7-b5fc-4772-b216-223220f0ee39/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 23:16:05,230 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:16:05,231 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:16:05,232 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:16:05,233 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:16:05,234 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:16:05,234 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:16:05,235 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:16:05,235 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:16:05,236 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:16:05,236 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:16:05,237 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:16:05,237 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:16:05,238 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:16:05,238 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:16:05,239 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:16:05,239 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:16:05,240 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:16:05,240 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:16:05,241 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:16:05,242 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:16:05,242 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:16:05,243 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:16:05,243 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:05,243 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:16:05,244 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:16:05,245 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:16:05,245 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:16:05,246 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:16:05,246 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:16:05,246 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:16:05,247 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:05,247 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:16:05,247 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:16:05,247 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:16:05,248 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_eba70fb7-b5fc-4772-b216-223220f0ee39/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba70fb7-b5fc-4772-b216-223220f0ee39/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3fd336a0cf083f3890b8c868f630a501a442e53f25a6db757ae043988dd949bf [2023-12-02 23:16:05,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:16:05,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:16:05,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:16:05,551 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:16:05,551 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:16:05,553 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba70fb7-b5fc-4772-b216-223220f0ee39/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/combinations/gcd_1+newton_1_5.i [2023-12-02 23:16:08,373 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:16:08,579 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:16:08,580 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba70fb7-b5fc-4772-b216-223220f0ee39/sv-benchmarks/c/combinations/gcd_1+newton_1_5.i [2023-12-02 23:16:08,588 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba70fb7-b5fc-4772-b216-223220f0ee39/bin/ukojak-verify-Qdu7aM0XO9/data/ccda68a70/35b3ba2a4c8d4ab8a12a386007981711/FLAG695db41c6 [2023-12-02 23:16:08,601 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba70fb7-b5fc-4772-b216-223220f0ee39/bin/ukojak-verify-Qdu7aM0XO9/data/ccda68a70/35b3ba2a4c8d4ab8a12a386007981711 [2023-12-02 23:16:08,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:16:08,604 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:16:08,605 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:16:08,605 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:16:08,609 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:16:08,609 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:16:08" (1/1) ... [2023-12-02 23:16:08,610 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18281964 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:08, skipping insertion in model container [2023-12-02 23:16:08,610 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:16:08" (1/1) ... [2023-12-02 23:16:08,631 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:16:08,769 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_eba70fb7-b5fc-4772-b216-223220f0ee39/sv-benchmarks/c/combinations/gcd_1+newton_1_5.i[1226,1239] [2023-12-02 23:16:08,796 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_eba70fb7-b5fc-4772-b216-223220f0ee39/sv-benchmarks/c/combinations/gcd_1+newton_1_5.i[2786,2799] [2023-12-02 23:16:08,797 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:16:08,813 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:16:08,826 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_eba70fb7-b5fc-4772-b216-223220f0ee39/sv-benchmarks/c/combinations/gcd_1+newton_1_5.i[1226,1239] [2023-12-02 23:16:08,840 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_eba70fb7-b5fc-4772-b216-223220f0ee39/sv-benchmarks/c/combinations/gcd_1+newton_1_5.i[2786,2799] [2023-12-02 23:16:08,841 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:16:08,858 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:16:08,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:08 WrapperNode [2023-12-02 23:16:08,859 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:16:08,860 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:16:08,860 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:16:08,860 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:16:08,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:08" (1/1) ... [2023-12-02 23:16:08,878 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:08" (1/1) ... [2023-12-02 23:16:08,905 INFO L138 Inliner]: procedures = 28, calls = 22, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 84 [2023-12-02 23:16:08,906 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:16:08,907 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:16:08,907 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:16:08,907 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:16:08,915 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:08" (1/1) ... [2023-12-02 23:16:08,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:08" (1/1) ... [2023-12-02 23:16:08,920 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:08" (1/1) ... [2023-12-02 23:16:08,921 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:08" (1/1) ... [2023-12-02 23:16:08,930 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:08" (1/1) ... [2023-12-02 23:16:08,934 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:08" (1/1) ... [2023-12-02 23:16:08,937 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:08" (1/1) ... [2023-12-02 23:16:08,939 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:08" (1/1) ... [2023-12-02 23:16:08,943 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:16:08,944 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:16:08,944 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:16:08,945 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:16:08,945 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:08" (1/1) ... [2023-12-02 23:16:08,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:16:08,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba70fb7-b5fc-4772-b216-223220f0ee39/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:16:08,974 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba70fb7-b5fc-4772-b216-223220f0ee39/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:16:08,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba70fb7-b5fc-4772-b216-223220f0ee39/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:16:09,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:16:09,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:16:09,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:16:09,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:16:09,085 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:16:09,087 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:16:32,573 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:16:32,636 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:16:32,636 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:16:32,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:16:32 BoogieIcfgContainer [2023-12-02 23:16:32,638 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:16:32,639 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:16:32,639 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:16:32,649 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:16:32,649 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:16:32" (1/1) ... [2023-12-02 23:16:32,658 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:16:32,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:32,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2023-12-02 23:16:32,703 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2023-12-02 23:16:32,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:16:32,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:32,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:32,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba70fb7-b5fc-4772-b216-223220f0ee39/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:32,732 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba70fb7-b5fc-4772-b216-223220f0ee39/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:32,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eba70fb7-b5fc-4772-b216-223220f0ee39/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process