./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_4+newton_1_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/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_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_1_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/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_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/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 6350103920575a4c7a5643f51f7bc8e829a7fbf85ea9b0288d4dadd8696b7030 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:05:57,416 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:05:57,483 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:05:57,488 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:05:57,488 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:05:57,523 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:05:57,523 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:05:57,524 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:05:57,525 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:05:57,525 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:05:57,525 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:05:57,526 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:05:57,526 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:05:57,526 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:05:57,527 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:05:57,527 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:05:57,528 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:05:57,528 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:05:57,528 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:05:57,529 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:05:57,529 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:05:57,532 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:05:57,533 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:05:57,533 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:05:57,541 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:05:57,541 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:05:57,542 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:05:57,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:57,542 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:05:57,543 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:05:57,546 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:05:57,547 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:05:57,547 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:05:57,548 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_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6350103920575a4c7a5643f51f7bc8e829a7fbf85ea9b0288d4dadd8696b7030 [2024-11-08 22:05:57,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:05:57,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:05:57,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:05:57,915 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:05:57,916 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:05:57,917 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/combinations/gcd_4+newton_1_1.i Unable to find full path for "g++" [2024-11-08 22:06:00,002 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:06:00,190 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:06:00,191 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/sv-benchmarks/c/combinations/gcd_4+newton_1_1.i [2024-11-08 22:06:00,199 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/bin/ukojak-verify-ImItNfHLgk/data/c1927947c/7f83c3a7f6854f61820bb7818f1c0d76/FLAG9ecf1fcbf [2024-11-08 22:06:00,213 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/bin/ukojak-verify-ImItNfHLgk/data/c1927947c/7f83c3a7f6854f61820bb7818f1c0d76 [2024-11-08 22:06:00,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:06:00,220 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:06:00,224 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:06:00,224 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:06:00,231 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:06:00,232 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:06:00" (1/1) ... [2024-11-08 22:06:00,235 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2602863e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:00, skipping insertion in model container [2024-11-08 22:06:00,236 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:06:00" (1/1) ... [2024-11-08 22:06:00,261 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:06:00,514 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_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/sv-benchmarks/c/combinations/gcd_4+newton_1_1.i[1224,1237] [2024-11-08 22:06:00,579 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_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/sv-benchmarks/c/combinations/gcd_4+newton_1_1.i[2806,2819] [2024-11-08 22:06:00,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:06:00,592 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:06:00,607 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_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/sv-benchmarks/c/combinations/gcd_4+newton_1_1.i[1224,1237] [2024-11-08 22:06:00,627 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_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/sv-benchmarks/c/combinations/gcd_4+newton_1_1.i[2806,2819] [2024-11-08 22:06:00,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:06:00,657 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:06:00,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:00 WrapperNode [2024-11-08 22:06:00,658 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:06:00,659 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:06:00,659 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:06:00,660 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:06:00,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:00" (1/1) ... [2024-11-08 22:06:00,676 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:00" (1/1) ... [2024-11-08 22:06:00,702 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 79 [2024-11-08 22:06:00,703 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:06:00,706 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:06:00,706 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:06:00,706 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:06:00,718 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:00" (1/1) ... [2024-11-08 22:06:00,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:00" (1/1) ... [2024-11-08 22:06:00,726 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:00" (1/1) ... [2024-11-08 22:06:00,726 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:00" (1/1) ... [2024-11-08 22:06:00,740 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:00" (1/1) ... [2024-11-08 22:06:00,748 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:00" (1/1) ... [2024-11-08 22:06:00,749 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:00" (1/1) ... [2024-11-08 22:06:00,750 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:00" (1/1) ... [2024-11-08 22:06:00,757 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:06:00,758 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:06:00,758 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:06:00,758 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:06:00,759 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:00" (1/1) ... [2024-11-08 22:06:00,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:06:00,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:06:00,820 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:06:00,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:06:00,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:06:00,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:06:00,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:06:00,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:06:00,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:06:00,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:06:00,981 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:06:00,990 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:06:01,284 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-08 22:06:01,284 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:06:01,356 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:06:01,356 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:06:01,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:06:01 BoogieIcfgContainer [2024-11-08 22:06:01,357 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:06:01,358 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:06:01,358 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:06:01,370 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:06:01,371 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:06:01" (1/1) ... [2024-11-08 22:06:01,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:06:01,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:01,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2024-11-08 22:06:01,455 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2024-11-08 22:06:01,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 22:06:01,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:01,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:06:01,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:06:01,622 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:06:01,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:06:01,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:06:01,734 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:06:01,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:06:01,756 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:06:01,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:06:01 ImpRootNode [2024-11-08 22:06:01,782 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:06:01,783 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:06:01,783 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:06:01,784 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:06:01,785 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:06:01" (3/4) ... [2024-11-08 22:06:01,790 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:06:01,792 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:06:01,794 INFO L158 Benchmark]: Toolchain (without parser) took 1573.25ms. Allocated memory was 123.7MB in the beginning and 172.0MB in the end (delta: 48.2MB). Free memory was 59.6MB in the beginning and 117.8MB in the end (delta: -58.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:06:01,794 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 123.7MB. Free memory is still 96.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:06:01,795 INFO L158 Benchmark]: CACSL2BoogieTranslator took 434.89ms. Allocated memory is still 123.7MB. Free memory was 59.4MB in the beginning and 45.9MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:06:01,796 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.71ms. Allocated memory is still 123.7MB. Free memory was 45.7MB in the beginning and 44.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:06:01,797 INFO L158 Benchmark]: Boogie Preprocessor took 51.28ms. Allocated memory is still 123.7MB. Free memory was 44.0MB in the beginning and 42.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:06:01,799 INFO L158 Benchmark]: RCFGBuilder took 599.44ms. Allocated memory was 123.7MB in the beginning and 172.0MB in the end (delta: 48.2MB). Free memory was 42.7MB in the beginning and 130.5MB in the end (delta: -87.8MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2024-11-08 22:06:01,800 INFO L158 Benchmark]: CodeCheck took 424.08ms. Allocated memory is still 172.0MB. Free memory was 130.5MB in the beginning and 117.8MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:06:01,800 INFO L158 Benchmark]: Witness Printer took 9.51ms. Allocated memory is still 172.0MB. Free memory is still 117.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:06:01,806 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 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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: 109]: 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 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 108, overapproximation of someBinaryArithmeticFLOAToperation at line 87. Possible FailurePath: [L115] COND FALSE !(__VERIFIER_nondet_int()) [L118] CALL main2() [L97] float IN = __VERIFIER_nondet_float(); [L98] CALL assume_abort_if_not(IN > -0.2f && IN < 0.2f) [L82] COND FALSE !(!cond) [L98] RET assume_abort_if_not(IN > -0.2f && IN < 0.2f) [L100] CALL, EXPR f(IN) [L87] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L100] RET, EXPR f(IN) [L100] CALL, EXPR fp(IN) [L92] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L100] RET, EXPR fp(IN) [L100] float x = IN - f(IN)/fp(IN); [L108] COND TRUE !(x < 0.1) [L109] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 123.7MB. Free memory is still 96.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 434.89ms. Allocated memory is still 123.7MB. Free memory was 59.4MB in the beginning and 45.9MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.71ms. Allocated memory is still 123.7MB. Free memory was 45.7MB in the beginning and 44.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.28ms. Allocated memory is still 123.7MB. Free memory was 44.0MB in the beginning and 42.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 599.44ms. Allocated memory was 123.7MB in the beginning and 172.0MB in the end (delta: 48.2MB). Free memory was 42.7MB in the beginning and 130.5MB in the end (delta: -87.8MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * CodeCheck took 424.08ms. Allocated memory is still 172.0MB. Free memory was 130.5MB in the beginning and 117.8MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 9.51ms. Allocated memory is still 172.0MB. Free memory is still 117.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:06:01,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/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 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_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/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_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_1_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/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 6350103920575a4c7a5643f51f7bc8e829a7fbf85ea9b0288d4dadd8696b7030 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:06:04,497 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:06:04,590 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 22:06:04,652 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:06:04,654 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:06:04,655 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:06:04,656 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:06:04,657 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:06:04,658 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:06:04,659 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:06:04,660 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:06:04,660 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:06:04,661 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:06:04,661 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:06:04,664 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:06:04,665 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:06:04,665 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:06:04,665 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:06:04,666 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:06:04,666 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:06:04,670 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:06:04,670 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:06:04,671 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:06:04,671 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:06:04,672 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:06:04,672 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:06:04,672 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:04,673 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:06:04,673 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:06:04,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:06:04,676 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:06:04,677 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:06:04,677 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:06:04,678 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:06:04,679 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:04,679 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:06:04,679 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_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6350103920575a4c7a5643f51f7bc8e829a7fbf85ea9b0288d4dadd8696b7030 [2024-11-08 22:06:05,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:06:05,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:06:05,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:06:05,121 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:06:05,122 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:06:05,123 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/combinations/gcd_4+newton_1_1.i Unable to find full path for "g++" [2024-11-08 22:06:07,257 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:06:07,485 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:06:07,486 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/sv-benchmarks/c/combinations/gcd_4+newton_1_1.i [2024-11-08 22:06:07,499 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/bin/ukojak-verify-ImItNfHLgk/data/a9f3d16db/5d70dbacb9f841c5aa71108e35882bdb/FLAG104ed232e [2024-11-08 22:06:07,515 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/bin/ukojak-verify-ImItNfHLgk/data/a9f3d16db/5d70dbacb9f841c5aa71108e35882bdb [2024-11-08 22:06:07,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:06:07,518 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:06:07,520 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:06:07,520 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:06:07,525 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:06:07,525 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:06:07" (1/1) ... [2024-11-08 22:06:07,526 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@341495df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:07, skipping insertion in model container [2024-11-08 22:06:07,527 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:06:07" (1/1) ... [2024-11-08 22:06:07,550 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:06:07,741 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_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/sv-benchmarks/c/combinations/gcd_4+newton_1_1.i[1224,1237] [2024-11-08 22:06:07,770 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_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/sv-benchmarks/c/combinations/gcd_4+newton_1_1.i[2806,2819] [2024-11-08 22:06:07,771 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:06:07,786 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:06:07,823 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_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/sv-benchmarks/c/combinations/gcd_4+newton_1_1.i[1224,1237] [2024-11-08 22:06:07,851 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_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/sv-benchmarks/c/combinations/gcd_4+newton_1_1.i[2806,2819] [2024-11-08 22:06:07,852 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:06:07,899 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:06:07,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:07 WrapperNode [2024-11-08 22:06:07,899 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:06:07,900 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:06:07,900 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:06:07,900 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:06:07,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:07" (1/1) ... [2024-11-08 22:06:07,925 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:07" (1/1) ... [2024-11-08 22:06:07,958 INFO L138 Inliner]: procedures = 28, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 76 [2024-11-08 22:06:07,958 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:06:07,959 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:06:07,959 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:06:07,959 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:06:07,971 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:07" (1/1) ... [2024-11-08 22:06:07,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:07" (1/1) ... [2024-11-08 22:06:07,974 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:07" (1/1) ... [2024-11-08 22:06:07,974 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:07" (1/1) ... [2024-11-08 22:06:07,987 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:07" (1/1) ... [2024-11-08 22:06:07,994 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:07" (1/1) ... [2024-11-08 22:06:07,999 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:07" (1/1) ... [2024-11-08 22:06:08,001 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:07" (1/1) ... [2024-11-08 22:06:08,006 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:06:08,011 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:06:08,011 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:06:08,012 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:06:08,012 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:07" (1/1) ... [2024-11-08 22:06:08,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:06:08,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:06:08,048 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:06:08,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:06:08,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:06:08,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:06:08,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:06:08,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:06:08,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:06:08,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:06:08,181 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:06:08,183 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:06:29,830 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-08 22:06:29,831 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:06:29,934 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:06:29,936 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:06:29,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:06:29 BoogieIcfgContainer [2024-11-08 22:06:29,938 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:06:29,939 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:06:29,940 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:06:29,950 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:06:29,950 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:06:29" (1/1) ... [2024-11-08 22:06:29,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:06:30,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:30,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2024-11-08 22:06:30,020 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2024-11-08 22:06:30,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 22:06:30,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:30,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:30,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:30,024 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:30,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:17:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:45,520 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:17:56,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:56,683 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 22:17:56,687 INFO L158 Benchmark]: Toolchain (without parser) took 709167.78ms. Allocated memory is still 71.3MB. Free memory was 47.5MB in the beginning and 32.4MB in the end (delta: 15.0MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2024-11-08 22:17:56,688 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 52.4MB. Free memory was 29.0MB in the beginning and 28.9MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:17:56,688 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.76ms. Allocated memory is still 71.3MB. Free memory was 47.3MB in the beginning and 48.6MB in the end (delta: -1.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:17:56,689 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.01ms. Allocated memory is still 71.3MB. Free memory was 48.6MB in the beginning and 46.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:17:56,691 INFO L158 Benchmark]: Boogie Preprocessor took 51.82ms. Allocated memory is still 71.3MB. Free memory was 46.8MB in the beginning and 45.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:17:56,691 INFO L158 Benchmark]: RCFGBuilder took 21927.28ms. Allocated memory is still 71.3MB. Free memory was 45.0MB in the beginning and 42.4MB in the end (delta: 2.6MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2024-11-08 22:17:56,693 INFO L158 Benchmark]: CodeCheck took 686746.50ms. Allocated memory is still 71.3MB. Free memory was 42.1MB in the beginning and 32.4MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 22:17:56,699 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 52.4MB. Free memory was 29.0MB in the beginning and 28.9MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 379.76ms. Allocated memory is still 71.3MB. Free memory was 47.3MB in the beginning and 48.6MB in the end (delta: -1.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.01ms. Allocated memory is still 71.3MB. Free memory was 48.6MB in the beginning and 46.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.82ms. Allocated memory is still 71.3MB. Free memory was 46.8MB in the beginning and 45.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 21927.28ms. Allocated memory is still 71.3MB. Free memory was 45.0MB in the beginning and 42.4MB in the end (delta: 2.6MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * CodeCheck took 686746.50ms. Allocated memory is still 71.3MB. Free memory was 42.1MB in the beginning and 32.4MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 22:17:56,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e457e0-1c61-41ec-8ba1-9580c13d0d89/bin/ukojak-verify-ImItNfHLgk/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: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown