./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/inv_Newton-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd323f2-c754-40f1-b650-29e418e270ec/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd323f2-c754-40f1-b650-29e418e270ec/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd323f2-c754-40f1-b650-29e418e270ec/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd323f2-c754-40f1-b650-29e418e270ec/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_Newton-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd323f2-c754-40f1-b650-29e418e270ec/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd323f2-c754-40f1-b650-29e418e270ec/bin/ukojak-verify-EEHR8qb7sm --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 67155ca1e686450fca2a6f4b9f638c838555b88a3546adff9656d040c859ca12 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:39:30,438 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:39:30,504 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd323f2-c754-40f1-b650-29e418e270ec/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:39:30,510 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:39:30,510 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:39:30,535 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:39:30,536 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:39:30,536 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:39:30,537 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:39:30,537 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:39:30,538 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:39:30,538 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:39:30,538 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:39:30,538 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:39:30,539 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:39:30,539 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:39:30,539 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:39:30,540 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:39:30,540 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:39:30,540 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:39:30,540 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:39:30,540 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:39:30,540 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:39:30,541 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:39:30,541 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:39:30,541 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:39:30,541 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:39:30,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:39:30,541 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:39:30,542 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:39:30,542 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:39:30,542 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:39:30,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:39:30,543 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_6cd323f2-c754-40f1-b650-29e418e270ec/bin/ukojak-verify-EEHR8qb7sm 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 -> 67155ca1e686450fca2a6f4b9f638c838555b88a3546adff9656d040c859ca12 [2024-11-13 20:39:30,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:39:30,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:39:30,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:39:30,933 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:39:30,933 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:39:30,936 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd323f2-c754-40f1-b650-29e418e270ec/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-benchs/inv_Newton-2.c Unable to find full path for "g++" [2024-11-13 20:39:32,816 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:39:33,106 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:39:33,118 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd323f2-c754-40f1-b650-29e418e270ec/sv-benchmarks/c/float-benchs/inv_Newton-2.c [2024-11-13 20:39:33,130 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd323f2-c754-40f1-b650-29e418e270ec/bin/ukojak-verify-EEHR8qb7sm/data/d44586a3c/dfd7dfe197bb46c6a14f6c700ce4b178/FLAGc566ac639 [2024-11-13 20:39:33,149 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd323f2-c754-40f1-b650-29e418e270ec/bin/ukojak-verify-EEHR8qb7sm/data/d44586a3c/dfd7dfe197bb46c6a14f6c700ce4b178 [2024-11-13 20:39:33,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:39:33,153 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:39:33,154 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:39:33,155 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:39:33,160 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:39:33,161 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:39:33" (1/1) ... [2024-11-13 20:39:33,162 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bd281c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:33, skipping insertion in model container [2024-11-13 20:39:33,162 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:39:33" (1/1) ... [2024-11-13 20:39:33,184 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:39:33,371 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_6cd323f2-c754-40f1-b650-29e418e270ec/sv-benchmarks/c/float-benchs/inv_Newton-2.c[847,860] [2024-11-13 20:39:33,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:39:33,409 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:39:33,418 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_6cd323f2-c754-40f1-b650-29e418e270ec/sv-benchmarks/c/float-benchs/inv_Newton-2.c[847,860] [2024-11-13 20:39:33,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:39:33,444 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:39:33,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:33 WrapperNode [2024-11-13 20:39:33,445 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:39:33,446 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:39:33,446 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:39:33,446 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:39:33,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:33" (1/1) ... [2024-11-13 20:39:33,461 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:33" (1/1) ... [2024-11-13 20:39:33,480 INFO L138 Inliner]: procedures = 18, calls = 21, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 73 [2024-11-13 20:39:33,481 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:39:33,481 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:39:33,481 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:39:33,481 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:39:33,488 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:33" (1/1) ... [2024-11-13 20:39:33,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:33" (1/1) ... [2024-11-13 20:39:33,491 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:33" (1/1) ... [2024-11-13 20:39:33,491 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:33" (1/1) ... [2024-11-13 20:39:33,502 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:33" (1/1) ... [2024-11-13 20:39:33,508 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:33" (1/1) ... [2024-11-13 20:39:33,509 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:33" (1/1) ... [2024-11-13 20:39:33,510 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:33" (1/1) ... [2024-11-13 20:39:33,516 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:39:33,517 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:39:33,517 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:39:33,517 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:39:33,522 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:33" (1/1) ... [2024-11-13 20:39:33,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:39:33,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd323f2-c754-40f1-b650-29e418e270ec/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:39:33,571 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd323f2-c754-40f1-b650-29e418e270ec/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:39:33,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd323f2-c754-40f1-b650-29e418e270ec/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:39:33,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:39:33,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:39:33,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 20:39:33,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-13 20:39:33,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 20:39:33,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-13 20:39:33,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:39:33,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:39:33,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 20:39:33,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 20:39:33,712 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:39:33,714 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:39:33,898 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-13 20:39:33,898 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:39:33,997 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:39:33,997 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:39:33,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:39:33 BoogieIcfgContainer [2024-11-13 20:39:33,998 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:39:33,998 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:39:33,999 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:39:34,009 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:39:34,009 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:39:33" (1/1) ... [2024-11-13 20:39:34,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:39:34,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:39:34,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 20:39:34,064 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 20:39:34,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:39:34,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:39:34,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:39:34,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:39:34,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:39:34,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:39:34,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 20:39:34,436 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 20:39:34,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 20:39:34,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:39:34,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:39:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:39:34,500 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:39:34,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:39:34,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:39:34,629 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:39:34,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:39:34,676 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 20:39:34,707 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:39:34 ImpRootNode [2024-11-13 20:39:34,707 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:39:34,708 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:39:34,708 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:39:34,708 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:39:34,709 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:39:33" (3/4) ... [2024-11-13 20:39:34,712 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:39:34,713 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:39:34,714 INFO L158 Benchmark]: Toolchain (without parser) took 1561.24ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 61.1MB in the end (delta: 58.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-13 20:39:34,715 INFO L158 Benchmark]: CDTParser took 1.05ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:39:34,715 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.96ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 107.7MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:39:34,716 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.74ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 106.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:39:34,716 INFO L158 Benchmark]: Boogie Preprocessor took 34.93ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 105.7MB in the end (delta: 737.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:39:34,716 INFO L158 Benchmark]: RCFGBuilder took 481.08ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 88.3MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:39:34,717 INFO L158 Benchmark]: CodeCheck took 708.68ms. Allocated memory is still 142.6MB. Free memory was 87.9MB in the beginning and 61.4MB in the end (delta: 26.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 20:39:34,717 INFO L158 Benchmark]: Witness Printer took 5.17ms. Allocated memory is still 142.6MB. Free memory was 61.4MB in the beginning and 61.1MB in the end (delta: 333.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:39:34,720 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 3 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 2 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, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 23]: 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 someBinaryArithmeticDOUBLEoperation at line 43, overapproximation of bitwiseAnd at line 37, overapproximation of someBinaryDOUBLEComparisonOperation at line 45, overapproximation of someBinaryDOUBLEComparisonOperation at line 56, overapproximation of someBinaryDOUBLEComparisonOperation at line 60, overapproximation of to_real at line 38. Possible FailurePath: [L53] double a,r; [L55] a = __VERIFIER_nondet_double() [L56] CALL assume_abort_if_not(a >= 20. && a <= 30.) [L21] COND FALSE !(!cond) [L56] RET assume_abort_if_not(a >= 20. && a <= 30.) [L58] CALL, EXPR inv(a) [L33] double xi, xsi, temp; [L34] signed int cond, exp; [L35] union double_int A_u, xi_u; [L36] A_u.d = A [L37] EXPR A_u.i [L37] EXPR A_u.i & 0x7FF00000 [L37] exp = (signed int) ((A_u.i & 0x7FF00000) >> 20) - 1023 [L38] xi_u.d = 1 [L39] xi_u.i = ((1023-exp) << 20) [L40] EXPR xi_u.d [L40] xi = xi_u.d [L41] cond = 1 VAL [cond=1, xi=2] [L42] COND TRUE \read(cond) [L43] xsi = 2*xi-A*xi*xi [L44] temp = xsi-xi [L45] cond = ((temp > 1e-10) || (temp < -1e-10)) [L46] xi = xsi VAL [cond=0, xi=7] [L42] COND FALSE !(\read(cond)) [L48] return xi; [L48] return xi; [L48] return xi; [L58] RET, EXPR inv(a) [L58] r = inv(a) [L60] CALL __VERIFIER_assert(r >= 0 && r <= 0.06) [L23] COND TRUE !(cond) [L23] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.05ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.96ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 107.7MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.74ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 106.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.93ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 105.7MB in the end (delta: 737.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 481.08ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 88.3MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 708.68ms. Allocated memory is still 142.6MB. Free memory was 87.9MB in the beginning and 61.4MB in the end (delta: 26.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 5.17ms. Allocated memory is still 142.6MB. Free memory was 61.4MB in the beginning and 61.1MB in the end (delta: 333.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:39:34,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd323f2-c754-40f1-b650-29e418e270ec/bin/ukojak-verify-EEHR8qb7sm/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd323f2-c754-40f1-b650-29e418e270ec/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd323f2-c754-40f1-b650-29e418e270ec/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd323f2-c754-40f1-b650-29e418e270ec/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd323f2-c754-40f1-b650-29e418e270ec/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_Newton-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd323f2-c754-40f1-b650-29e418e270ec/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd323f2-c754-40f1-b650-29e418e270ec/bin/ukojak-verify-EEHR8qb7sm --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 67155ca1e686450fca2a6f4b9f638c838555b88a3546adff9656d040c859ca12 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:39:37,542 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:39:37,673 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd323f2-c754-40f1-b650-29e418e270ec/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 20:39:37,721 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:39:37,722 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:39:37,722 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:39:37,723 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:39:37,723 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:39:37,725 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:39:37,725 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:39:37,725 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:39:37,725 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:39:37,726 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:39:37,726 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:39:37,726 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:39:37,726 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:39:37,726 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:39:37,726 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:39:37,726 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:39:37,726 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:39:37,726 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:39:37,727 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:39:37,727 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:39:37,727 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:39:37,727 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:39:37,727 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:39:37,727 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:39:37,727 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:39:37,727 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:39:37,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:39:37,728 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:39:37,728 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:39:37,728 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:39:37,730 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:39:37,730 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:39:37,731 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:39:37,731 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_6cd323f2-c754-40f1-b650-29e418e270ec/bin/ukojak-verify-EEHR8qb7sm 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 -> 67155ca1e686450fca2a6f4b9f638c838555b88a3546adff9656d040c859ca12 [2024-11-13 20:39:38,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:39:38,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:39:38,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:39:38,047 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:39:38,048 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:39:38,049 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd323f2-c754-40f1-b650-29e418e270ec/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-benchs/inv_Newton-2.c Unable to find full path for "g++" [2024-11-13 20:39:40,272 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:39:40,513 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:39:40,513 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd323f2-c754-40f1-b650-29e418e270ec/sv-benchmarks/c/float-benchs/inv_Newton-2.c [2024-11-13 20:39:40,527 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd323f2-c754-40f1-b650-29e418e270ec/bin/ukojak-verify-EEHR8qb7sm/data/eed8ca2b9/d99e2f5a39114bb899543b7e22b73fab/FLAG8d2b69400 [2024-11-13 20:39:40,554 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd323f2-c754-40f1-b650-29e418e270ec/bin/ukojak-verify-EEHR8qb7sm/data/eed8ca2b9/d99e2f5a39114bb899543b7e22b73fab [2024-11-13 20:39:40,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:39:40,559 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:39:40,561 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:39:40,561 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:39:40,568 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:39:40,568 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:39:40" (1/1) ... [2024-11-13 20:39:40,570 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2adeda2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:40, skipping insertion in model container [2024-11-13 20:39:40,570 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:39:40" (1/1) ... [2024-11-13 20:39:40,588 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:39:40,805 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_6cd323f2-c754-40f1-b650-29e418e270ec/sv-benchmarks/c/float-benchs/inv_Newton-2.c[847,860] [2024-11-13 20:39:40,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:39:40,860 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:39:40,877 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_6cd323f2-c754-40f1-b650-29e418e270ec/sv-benchmarks/c/float-benchs/inv_Newton-2.c[847,860] [2024-11-13 20:39:40,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:39:40,920 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:39:40,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:40 WrapperNode [2024-11-13 20:39:40,921 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:39:40,922 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:39:40,923 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:39:40,923 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:39:40,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:40" (1/1) ... [2024-11-13 20:39:40,949 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:40" (1/1) ... [2024-11-13 20:39:40,976 INFO L138 Inliner]: procedures = 21, calls = 21, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 66 [2024-11-13 20:39:40,979 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:39:40,980 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:39:40,981 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:39:40,981 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:39:40,988 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:40" (1/1) ... [2024-11-13 20:39:40,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:40" (1/1) ... [2024-11-13 20:39:40,993 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:40" (1/1) ... [2024-11-13 20:39:40,995 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:40" (1/1) ... [2024-11-13 20:39:41,010 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:40" (1/1) ... [2024-11-13 20:39:41,014 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:40" (1/1) ... [2024-11-13 20:39:41,015 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:40" (1/1) ... [2024-11-13 20:39:41,020 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:40" (1/1) ... [2024-11-13 20:39:41,023 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:39:41,026 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:39:41,027 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:39:41,028 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:39:41,029 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:40" (1/1) ... [2024-11-13 20:39:41,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:39:41,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd323f2-c754-40f1-b650-29e418e270ec/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:39:41,068 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd323f2-c754-40f1-b650-29e418e270ec/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:39:41,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd323f2-c754-40f1-b650-29e418e270ec/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:39:41,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:39:41,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-13 20:39:41,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-13 20:39:41,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:39:41,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 20:39:41,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 20:39:41,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:39:41,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:39:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 20:39:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 20:39:41,176 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:39:41,177 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:39:51,482 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-13 20:39:51,482 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:39:51,582 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:39:51,583 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:39:51,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:39:51 BoogieIcfgContainer [2024-11-13 20:39:51,585 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:39:51,586 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:39:51,587 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:39:51,597 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:39:51,597 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:39:51" (1/1) ... [2024-11-13 20:39:51,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:39:51,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:39:51,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 20:39:51,663 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 20:39:51,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:39:51,666 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:39:51,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:39:51,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd323f2-c754-40f1-b650-29e418e270ec/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:39:51,670 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd323f2-c754-40f1-b650-29e418e270ec/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:39:51,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd323f2-c754-40f1-b650-29e418e270ec/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:39:51,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:39:51,908 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:39:51,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:39:51,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 20:39:51,978 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:39:52,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:39:52,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd323f2-c754-40f1-b650-29e418e270ec/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:40:02,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:40:12,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:40:22,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:40:33,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:40:33,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:40:33,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 20:40:33,342 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 20:40:33,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 20:40:33,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:40:33,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:40:33,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd323f2-c754-40f1-b650-29e418e270ec/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:40:33,347 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd323f2-c754-40f1-b650-29e418e270ec/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:40:33,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd323f2-c754-40f1-b650-29e418e270ec/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:40:34,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:40:34,430 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:40:44,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:40:44,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd323f2-c754-40f1-b650-29e418e270ec/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 20:40:44,792 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) [2024-11-13 20:40:44,796 INFO L158 Benchmark]: Toolchain (without parser) took 64237.27ms. Allocated memory is still 83.9MB. Free memory was 61.2MB in the beginning and 47.7MB in the end (delta: 13.5MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2024-11-13 20:40:44,797 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 83.9MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:40:44,798 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.04ms. Allocated memory is still 83.9MB. Free memory was 60.9MB in the beginning and 49.0MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:40:44,798 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.90ms. Allocated memory is still 83.9MB. Free memory was 49.0MB in the beginning and 47.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:40:44,799 INFO L158 Benchmark]: Boogie Preprocessor took 42.96ms. Allocated memory is still 83.9MB. Free memory was 47.6MB in the beginning and 46.4MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:40:44,800 INFO L158 Benchmark]: RCFGBuilder took 10559.17ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 29.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:40:44,800 INFO L158 Benchmark]: CodeCheck took 53208.93ms. Allocated memory is still 83.9MB. Free memory was 29.6MB in the beginning and 47.7MB in the end (delta: -18.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:40:44,803 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 0.46ms. Allocated memory is still 83.9MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 361.04ms. Allocated memory is still 83.9MB. Free memory was 60.9MB in the beginning and 49.0MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.90ms. Allocated memory is still 83.9MB. Free memory was 49.0MB in the beginning and 47.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.96ms. Allocated memory is still 83.9MB. Free memory was 47.6MB in the beginning and 46.4MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 10559.17ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 29.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 53208.93ms. Allocated memory is still 83.9MB. Free memory was 29.6MB in the beginning and 47.7MB in the end (delta: -18.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 20:40:44,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd323f2-c754-40f1-b650-29e418e270ec/bin/ukojak-verify-EEHR8qb7sm/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