./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float2.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_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/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_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/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_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/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 bcfb96d73d3159acff3d0fedafe635e3c1fa3ca1ecc4b177029539dd1ac5d911 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:33:04,301 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:33:04,366 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:33:04,371 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:33:04,372 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:33:04,401 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:33:04,402 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:33:04,403 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:33:04,403 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:33:04,403 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:33:04,404 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:33:04,404 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:33:04,404 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:33:04,404 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:33:04,404 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:33:04,404 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:33:04,405 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:33:04,405 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:33:04,405 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:33:04,405 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:33:04,405 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:33:04,405 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:33:04,406 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:33:04,406 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:33:04,406 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:33:04,406 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:33:04,406 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:33:04,406 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:33:04,407 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:33:04,407 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:33:04,407 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:33:04,407 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:33:04,407 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:33:04,407 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_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/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 -> bcfb96d73d3159acff3d0fedafe635e3c1fa3ca1ecc4b177029539dd1ac5d911 [2024-11-13 20:33:04,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:33:04,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:33:04,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:33:04,758 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:33:04,760 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:33:04,762 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/floats-cbmc-regression/float2.c Unable to find full path for "g++" [2024-11-13 20:33:06,804 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:33:07,106 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:33:07,107 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/sv-benchmarks/c/floats-cbmc-regression/float2.c [2024-11-13 20:33:07,120 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/bin/ukojak-verify-EEHR8qb7sm/data/121bb6eb5/ccbbaa780d004ee4acb041518357e289/FLAG4e964141c [2024-11-13 20:33:07,406 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/bin/ukojak-verify-EEHR8qb7sm/data/121bb6eb5/ccbbaa780d004ee4acb041518357e289 [2024-11-13 20:33:07,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:33:07,412 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:33:07,415 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:33:07,415 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:33:07,420 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:33:07,421 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:33:07" (1/1) ... [2024-11-13 20:33:07,423 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55922f7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:07, skipping insertion in model container [2024-11-13 20:33:07,424 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:33:07" (1/1) ... [2024-11-13 20:33:07,443 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:33:07,615 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_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/sv-benchmarks/c/floats-cbmc-regression/float2.c[366,379] [2024-11-13 20:33:07,619 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_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/sv-benchmarks/c/floats-cbmc-regression/float2.c[420,433] [2024-11-13 20:33:07,621 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_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/sv-benchmarks/c/floats-cbmc-regression/float2.c[493,506] [2024-11-13 20:33:07,622 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_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/sv-benchmarks/c/floats-cbmc-regression/float2.c[557,570] [2024-11-13 20:33:07,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:33:07,636 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:33:07,650 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_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/sv-benchmarks/c/floats-cbmc-regression/float2.c[366,379] [2024-11-13 20:33:07,651 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_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/sv-benchmarks/c/floats-cbmc-regression/float2.c[420,433] [2024-11-13 20:33:07,652 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_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/sv-benchmarks/c/floats-cbmc-regression/float2.c[493,506] [2024-11-13 20:33:07,653 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_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/sv-benchmarks/c/floats-cbmc-regression/float2.c[557,570] [2024-11-13 20:33:07,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:33:07,674 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:33:07,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:07 WrapperNode [2024-11-13 20:33:07,676 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:33:07,677 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:33:07,677 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:33:07,677 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:33:07,685 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:07" (1/1) ... [2024-11-13 20:33:07,693 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:07" (1/1) ... [2024-11-13 20:33:07,711 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2024-11-13 20:33:07,712 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:33:07,713 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:33:07,713 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:33:07,713 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:33:07,723 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:07" (1/1) ... [2024-11-13 20:33:07,724 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:07" (1/1) ... [2024-11-13 20:33:07,725 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:07" (1/1) ... [2024-11-13 20:33:07,725 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:07" (1/1) ... [2024-11-13 20:33:07,730 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:07" (1/1) ... [2024-11-13 20:33:07,732 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:07" (1/1) ... [2024-11-13 20:33:07,732 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:07" (1/1) ... [2024-11-13 20:33:07,734 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:07" (1/1) ... [2024-11-13 20:33:07,740 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:33:07,741 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:33:07,741 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:33:07,741 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:33:07,742 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:07" (1/1) ... [2024-11-13 20:33:07,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:33:07,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:33:07,785 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:33:07,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:33:07,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:33:07,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:33:07,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:33:07,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:33:07,899 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:33:07,901 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:33:08,035 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 20:33:08,035 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:33:08,066 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:33:08,067 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:33:08,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:33:08 BoogieIcfgContainer [2024-11-13 20:33:08,068 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:33:08,069 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:33:08,069 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:33:08,081 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:33:08,081 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:33:08" (1/1) ... [2024-11-13 20:33:08,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:33:08,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:33:08,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-13 20:33:08,157 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-13 20:33:08,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 20:33:08,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:33:08,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:33:08,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:33:08,248 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:33:08,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:33:08,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:33:08,309 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:33:08,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:33:08,327 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:33:08,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:33:08 ImpRootNode [2024-11-13 20:33:08,354 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:33:08,355 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:33:08,356 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:33:08,357 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:33:08,358 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:33:08" (3/4) ... [2024-11-13 20:33:08,361 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:33:08,363 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:33:08,366 INFO L158 Benchmark]: Toolchain (without parser) took 951.59ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 86.9MB in the end (delta: 32.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 20:33:08,366 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:33:08,367 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.37ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 108.5MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:33:08,367 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.20ms. Allocated memory is still 142.6MB. Free memory was 108.5MB in the beginning and 107.6MB in the end (delta: 946.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:33:08,368 INFO L158 Benchmark]: Boogie Preprocessor took 27.36ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 106.9MB in the end (delta: 745.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:33:08,368 INFO L158 Benchmark]: RCFGBuilder took 327.38ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 96.6MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:33:08,369 INFO L158 Benchmark]: CodeCheck took 285.18ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 87.2MB in the end (delta: 9.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:33:08,372 INFO L158 Benchmark]: Witness Printer took 7.32ms. Allocated memory is still 142.6MB. Free memory is still 86.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:33:08,374 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, 18 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 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: 12]: 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 someBinaryDOUBLEComparisonOperation at line 12. Possible FailurePath: [L7] float a; [L8] double b; [L11] a=1.25L [L12] COND TRUE !(a==1.25) [L12] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 261.37ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 108.5MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.20ms. Allocated memory is still 142.6MB. Free memory was 108.5MB in the beginning and 107.6MB in the end (delta: 946.0kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.36ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 106.9MB in the end (delta: 745.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 327.38ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 96.6MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 285.18ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 87.2MB in the end (delta: 9.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 7.32ms. Allocated memory is still 142.6MB. Free memory is still 86.9MB. 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 20:33:08,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/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_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/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_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/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_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/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 bcfb96d73d3159acff3d0fedafe635e3c1fa3ca1ecc4b177029539dd1ac5d911 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:33:11,238 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:33:11,400 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 20:33:11,443 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:33:11,444 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:33:11,445 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:33:11,447 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:33:11,447 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:33:11,448 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:33:11,448 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:33:11,449 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:33:11,449 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:33:11,449 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:33:11,450 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:33:11,450 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:33:11,450 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:33:11,450 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:33:11,450 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:33:11,450 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:33:11,450 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:33:11,450 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:33:11,450 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:33:11,450 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:33:11,451 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:33:11,451 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:33:11,451 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:33:11,451 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:33:11,451 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:33:11,452 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:33:11,452 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:33:11,452 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:33:11,452 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:33:11,452 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:33:11,452 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:33:11,453 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:33:11,453 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:33:11,453 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_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/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 -> bcfb96d73d3159acff3d0fedafe635e3c1fa3ca1ecc4b177029539dd1ac5d911 [2024-11-13 20:33:11,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:33:11,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:33:11,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:33:11,806 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:33:11,806 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:33:11,810 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/floats-cbmc-regression/float2.c Unable to find full path for "g++" [2024-11-13 20:33:13,762 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:33:14,075 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:33:14,076 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/sv-benchmarks/c/floats-cbmc-regression/float2.c [2024-11-13 20:33:14,085 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/bin/ukojak-verify-EEHR8qb7sm/data/dde808361/c29a98ac63de44808b0327ba51e9bb92/FLAG28059d1b8 [2024-11-13 20:33:14,114 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/bin/ukojak-verify-EEHR8qb7sm/data/dde808361/c29a98ac63de44808b0327ba51e9bb92 [2024-11-13 20:33:14,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:33:14,118 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:33:14,122 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:33:14,123 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:33:14,129 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:33:14,130 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:33:14" (1/1) ... [2024-11-13 20:33:14,131 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50de2744 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:14, skipping insertion in model container [2024-11-13 20:33:14,131 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:33:14" (1/1) ... [2024-11-13 20:33:14,151 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:33:14,338 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_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/sv-benchmarks/c/floats-cbmc-regression/float2.c[366,379] [2024-11-13 20:33:14,343 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_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/sv-benchmarks/c/floats-cbmc-regression/float2.c[420,433] [2024-11-13 20:33:14,344 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_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/sv-benchmarks/c/floats-cbmc-regression/float2.c[493,506] [2024-11-13 20:33:14,346 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_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/sv-benchmarks/c/floats-cbmc-regression/float2.c[557,570] [2024-11-13 20:33:14,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:33:14,368 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:33:14,384 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_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/sv-benchmarks/c/floats-cbmc-regression/float2.c[366,379] [2024-11-13 20:33:14,386 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_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/sv-benchmarks/c/floats-cbmc-regression/float2.c[420,433] [2024-11-13 20:33:14,387 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_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/sv-benchmarks/c/floats-cbmc-regression/float2.c[493,506] [2024-11-13 20:33:14,388 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_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/sv-benchmarks/c/floats-cbmc-regression/float2.c[557,570] [2024-11-13 20:33:14,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:33:14,412 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:33:14,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:14 WrapperNode [2024-11-13 20:33:14,414 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:33:14,415 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:33:14,415 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:33:14,415 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:33:14,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:14" (1/1) ... [2024-11-13 20:33:14,434 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:14" (1/1) ... [2024-11-13 20:33:14,453 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2024-11-13 20:33:14,454 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:33:14,456 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:33:14,456 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:33:14,456 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:33:14,464 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:14" (1/1) ... [2024-11-13 20:33:14,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:14" (1/1) ... [2024-11-13 20:33:14,469 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:14" (1/1) ... [2024-11-13 20:33:14,469 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:14" (1/1) ... [2024-11-13 20:33:14,475 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:14" (1/1) ... [2024-11-13 20:33:14,477 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:14" (1/1) ... [2024-11-13 20:33:14,479 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:14" (1/1) ... [2024-11-13 20:33:14,480 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:14" (1/1) ... [2024-11-13 20:33:14,482 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:33:14,483 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:33:14,483 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:33:14,483 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:33:14,484 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:14" (1/1) ... [2024-11-13 20:33:14,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:33:14,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:33:14,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:33:14,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:33:14,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:33:14,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:33:14,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:33:14,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:33:14,636 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:33:14,638 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:33:14,972 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-13 20:33:14,972 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:33:15,001 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:33:15,002 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:33:15,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:33:15 BoogieIcfgContainer [2024-11-13 20:33:15,002 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:33:15,003 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:33:15,003 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:33:15,015 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:33:15,016 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:33:15" (1/1) ... [2024-11-13 20:33:15,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:33:15,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:33:15,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-13 20:33:15,085 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-13 20:33:15,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 20:33:15,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:33:15,090 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:33:15,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:33:15,092 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:33:15,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:33:15,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:33:15,182 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:33:15,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:33:15,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 20:33:15,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:33:15,307 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 20:33:15,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:33:15,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:33:15,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 20:33:15,441 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 20:33:15,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 20:33:15,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:33:15,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:33:15,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:33:15,446 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:33:15,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:33:15,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:33:15,524 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:33:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:33:15,553 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 20:33:15,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:33:15,605 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 20:33:15,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 20:33:15,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:33:15,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 20:33:15,658 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 20:33:15,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:33:15,658 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:33:15,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:33:15,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:33:15,663 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:33:15,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 20:33:15,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:33:15,733 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:33:15,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:33:15,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 20:33:15,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:33:15,824 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 20:33:15,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 20:33:15,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:33:15,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 20:33:15,891 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 20:33:15,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:33:15,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:33:15,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:33:15,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:33:15,893 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:33:15,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 20:33:15,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:33:15,975 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:33:16,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:33:16,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 20:33:16,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:33:16,061 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 20:33:16,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 20:33:16,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:33:16,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 10 states and 9 transitions. [2024-11-13 20:33:16,133 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2024-11-13 20:33:16,134 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 20:33:16,134 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-11-13 20:33:16,144 INFO L729 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-13 20:33:16,186 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 20:33:16,186 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 15) no Hoare annotation was computed. [2024-11-13 20:33:16,187 INFO L77 FloydHoareUtils]: At program point L23(line 23) the Hoare annotation is: (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 20.0)) |ULTIMATE.start_main_~a~0#1|) [2024-11-13 20:33:16,187 INFO L75 FloydHoareUtils]: For program point L23-1(line 23) no Hoare annotation was computed. [2024-11-13 20:33:16,187 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 23) no Hoare annotation was computed. [2024-11-13 20:33:16,187 INFO L77 FloydHoareUtils]: At program point L19(line 19) the Hoare annotation is: (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 50.0)) |ULTIMATE.start_main_~a~0#1|) [2024-11-13 20:33:16,187 INFO L75 FloydHoareUtils]: For program point L19-1(line 19) no Hoare annotation was computed. [2024-11-13 20:33:16,187 INFO L77 FloydHoareUtils]: At program point L19-3(line 19) the Hoare annotation is: true [2024-11-13 20:33:16,187 INFO L77 FloydHoareUtils]: At program point L15(line 15) the Hoare annotation is: (= ((_ to_fp 11 53) currentRoundingMode (/ 5.0 4.0)) |ULTIMATE.start_main_~b~0#1|) [2024-11-13 20:33:16,188 INFO L75 FloydHoareUtils]: For program point L15-1(line 15) no Hoare annotation was computed. [2024-11-13 20:33:16,188 INFO L77 FloydHoareUtils]: At program point L15-3(line 15) the Hoare annotation is: true [2024-11-13 20:33:16,188 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 20:33:16,188 INFO L77 FloydHoareUtils]: At program point L5(lines 5 24) the Hoare annotation is: true [2024-11-13 20:33:16,188 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2024-11-13 20:33:16,188 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2024-11-13 20:33:16,188 INFO L77 FloydHoareUtils]: At program point L12(line 12) the Hoare annotation is: (and (= |ULTIMATE.start_main_~a~0#1| ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 15 113) currentRoundingMode (/ 5.0 4.0)))) (= currentRoundingMode roundNearestTiesToEven)) [2024-11-13 20:33:16,188 INFO L75 FloydHoareUtils]: For program point L12-1(line 12) no Hoare annotation was computed. [2024-11-13 20:33:16,188 INFO L77 FloydHoareUtils]: At program point L12-3(line 12) the Hoare annotation is: true [2024-11-13 20:33:16,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:33:16 ImpRootNode [2024-11-13 20:33:16,193 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:33:16,193 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:33:16,193 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:33:16,194 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:33:16,194 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:33:15" (3/4) ... [2024-11-13 20:33:16,197 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 20:33:16,204 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-13 20:33:16,204 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 20:33:16,205 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 20:33:16,205 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 20:33:16,279 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 20:33:16,280 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 20:33:16,280 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:33:16,281 INFO L158 Benchmark]: Toolchain (without parser) took 2162.50ms. Allocated memory is still 117.4MB. Free memory was 94.8MB in the beginning and 41.2MB in the end (delta: 53.6MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-13 20:33:16,281 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:33:16,282 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.77ms. Allocated memory is still 117.4MB. Free memory was 94.5MB in the beginning and 83.5MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:33:16,282 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.24ms. Allocated memory is still 117.4MB. Free memory was 83.5MB in the beginning and 82.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:33:16,282 INFO L158 Benchmark]: Boogie Preprocessor took 25.85ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.5MB in the end (delta: 802.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:33:16,283 INFO L158 Benchmark]: RCFGBuilder took 519.87ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 71.0MB in the end (delta: 10.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:33:16,283 INFO L158 Benchmark]: CodeCheck took 1189.42ms. Allocated memory is still 117.4MB. Free memory was 71.0MB in the beginning and 45.3MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 20:33:16,283 INFO L158 Benchmark]: Witness Printer took 86.63ms. Allocated memory is still 117.4MB. Free memory was 45.3MB in the beginning and 41.2MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:33:16,285 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, 18 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 58 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 34 IncrementalHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 16 mSDtfsCounter, 34 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 142 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 46 SizeOfPredicates, 4 NumberOfNonLiveVariables, 76 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - PositiveResult [Line: 12]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 15]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 23]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.77ms. Allocated memory is still 117.4MB. Free memory was 94.5MB in the beginning and 83.5MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.24ms. Allocated memory is still 117.4MB. Free memory was 83.5MB in the beginning and 82.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.85ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.5MB in the end (delta: 802.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 519.87ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 71.0MB in the end (delta: 10.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1189.42ms. Allocated memory is still 117.4MB. Free memory was 71.0MB in the beginning and 45.3MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 86.63ms. Allocated memory is still 117.4MB. Free memory was 45.3MB in the beginning and 41.2MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 20:33:16,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e170201-1aa1-4d31-9d84-fd14bfbe81c0/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 Writing output log to file Ultimate.log Result: TRUE