./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi --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 8e577c29310ee115b251b151455f7420e49d4b5a193d4ed2cde0dcf868c272d0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:18:43,800 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:18:43,931 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:18:43,943 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:18:43,944 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:18:43,991 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:18:43,993 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:18:43,994 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:18:43,995 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:18:44,002 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:18:44,004 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:18:44,005 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:18:44,005 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:18:44,007 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:18:44,008 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:18:44,008 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:18:44,009 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:18:44,010 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:18:44,010 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:18:44,011 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:18:44,011 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:18:44,012 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:18:44,013 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:18:44,014 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:18:44,014 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:18:44,015 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:18:44,015 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:18:44,016 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:18:44,017 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:18:44,017 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:18:44,019 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:18:44,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:18:44,020 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:18:44,021 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e577c29310ee115b251b151455f7420e49d4b5a193d4ed2cde0dcf868c272d0 [2023-11-24 22:18:44,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:18:44,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:18:44,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:18:44,448 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:18:44,449 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:18:44,451 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c [2023-11-24 22:18:47,864 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:18:48,076 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:18:48,076 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c [2023-11-24 22:18:48,085 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi/data/450a10da6/f457489900f740268d84a6bb108e2fef/FLAG7b39c2f89 [2023-11-24 22:18:48,105 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi/data/450a10da6/f457489900f740268d84a6bb108e2fef [2023-11-24 22:18:48,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:18:48,115 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:18:48,119 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:18:48,119 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:18:48,125 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:18:48,126 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:18:48" (1/1) ... [2023-11-24 22:18:48,129 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c2b172c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:48, skipping insertion in model container [2023-11-24 22:18:48,129 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:18:48" (1/1) ... [2023-11-24 22:18:48,157 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:18:48,380 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c[1010,1023] [2023-11-24 22:18:48,392 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c[1167,1180] [2023-11-24 22:18:48,398 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c[1293,1306] [2023-11-24 22:18:48,399 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:18:48,418 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:18:48,444 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c[1010,1023] [2023-11-24 22:18:48,451 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c[1167,1180] [2023-11-24 22:18:48,456 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c[1293,1306] [2023-11-24 22:18:48,457 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:18:48,474 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:18:48,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:48 WrapperNode [2023-11-24 22:18:48,475 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:18:48,477 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:18:48,477 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:18:48,477 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:18:48,486 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:48" (1/1) ... [2023-11-24 22:18:48,495 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:48" (1/1) ... [2023-11-24 22:18:48,513 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 29 [2023-11-24 22:18:48,514 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:18:48,515 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:18:48,515 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:18:48,515 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:18:48,526 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:48" (1/1) ... [2023-11-24 22:18:48,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:48" (1/1) ... [2023-11-24 22:18:48,527 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:48" (1/1) ... [2023-11-24 22:18:48,528 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:48" (1/1) ... [2023-11-24 22:18:48,537 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:48" (1/1) ... [2023-11-24 22:18:48,539 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:48" (1/1) ... [2023-11-24 22:18:48,549 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:48" (1/1) ... [2023-11-24 22:18:48,551 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:48" (1/1) ... [2023-11-24 22:18:48,553 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:18:48,554 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:18:48,554 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:18:48,555 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:18:48,555 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:48" (1/1) ... [2023-11-24 22:18:48,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:18:48,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:18:48,595 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:18:48,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:18:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:18:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:18:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:18:48,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:18:48,718 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:18:48,720 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:18:48,833 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:18:48,868 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:18:48,872 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:18:48,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:48 BoogieIcfgContainer [2023-11-24 22:18:48,875 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:18:48,876 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:18:48,876 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:18:48,887 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:18:48,887 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:48" (1/1) ... [2023-11-24 22:18:48,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:18:48,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:48,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-24 22:18:48,983 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-24 22:18:48,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:18:48,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:48,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:18:49,096 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:18:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:18:49,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:18:49,154 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:18:49,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:18:49,169 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:18:49,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:18:49 ImpRootNode [2023-11-24 22:18:49,196 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:18:49,197 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:18:49,197 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:18:49,197 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:18:49,198 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:48" (3/4) ... [2023-11-24 22:18:49,201 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:18:49,203 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:18:49,204 INFO L158 Benchmark]: Toolchain (without parser) took 1089.46ms. Allocated memory is still 159.4MB. Free memory was 111.2MB in the beginning and 75.5MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-24 22:18:49,205 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 159.4MB. Free memory was 101.0MB in the beginning and 100.9MB in the end (delta: 140.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:18:49,206 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.78ms. Allocated memory is still 159.4MB. Free memory was 110.6MB in the beginning and 98.5MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:18:49,207 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.16ms. Allocated memory is still 159.4MB. Free memory was 98.5MB in the beginning and 97.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:18:49,208 INFO L158 Benchmark]: Boogie Preprocessor took 38.58ms. Allocated memory is still 159.4MB. Free memory was 97.2MB in the beginning and 95.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:18:49,209 INFO L158 Benchmark]: RCFGBuilder took 320.65ms. Allocated memory is still 159.4MB. Free memory was 95.9MB in the beginning and 86.6MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-24 22:18:49,210 INFO L158 Benchmark]: CodeCheck took 320.10ms. Allocated memory is still 159.4MB. Free memory was 86.6MB in the beginning and 76.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:18:49,211 INFO L158 Benchmark]: Witness Printer took 6.63ms. Allocated memory is still 159.4MB. Free memory was 76.1MB in the beginning and 75.5MB in the end (delta: 593.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:18:49,216 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, 14 locations, 3 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: 25]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 25, overapproximation of someBinaryArithmeticFLOAToperation at line 23. Possible FailurePath: [L49] CALL multiply() [L20] float f1=0x1.000000p-1f; [L21] float f2=0x1.fffffep-126f; [L23] float res = f1 * f2; VAL [f1=1/2, f2=16777215/713623846352979940529142984724747568191373312] [L25] COND TRUE !(res == 0x1.0p-126f) VAL [f1=1/2, f2=16777215/713623846352979940529142984724747568191373312] [L25] reach_error() VAL [f1=1/2, f2=16777215/713623846352979940529142984724747568191373312] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 159.4MB. Free memory was 101.0MB in the beginning and 100.9MB in the end (delta: 140.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 356.78ms. Allocated memory is still 159.4MB. Free memory was 110.6MB in the beginning and 98.5MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.16ms. Allocated memory is still 159.4MB. Free memory was 98.5MB in the beginning and 97.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.58ms. Allocated memory is still 159.4MB. Free memory was 97.2MB in the beginning and 95.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 320.65ms. Allocated memory is still 159.4MB. Free memory was 95.9MB in the beginning and 86.6MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 320.10ms. Allocated memory is still 159.4MB. Free memory was 86.6MB in the beginning and 76.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 6.63ms. Allocated memory is still 159.4MB. Free memory was 76.1MB in the beginning and 75.5MB in the end (delta: 593.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:18:49,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi --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 8e577c29310ee115b251b151455f7420e49d4b5a193d4ed2cde0dcf868c272d0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:18:52,380 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:18:52,532 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 22:18:52,588 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:18:52,589 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:18:52,590 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:18:52,592 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:18:52,592 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:18:52,594 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:18:52,595 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:18:52,596 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:18:52,597 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:18:52,597 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:18:52,597 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:18:52,598 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:18:52,599 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:18:52,599 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:18:52,599 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:18:52,600 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:18:52,601 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:18:52,601 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:18:52,602 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:18:52,602 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:18:52,603 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:18:52,603 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:18:52,604 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:18:52,604 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:18:52,605 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:18:52,605 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:18:52,606 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:18:52,607 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:18:52,607 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:18:52,608 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:18:52,608 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:18:52,608 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:18:52,609 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:18:52,609 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:18:52,609 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e577c29310ee115b251b151455f7420e49d4b5a193d4ed2cde0dcf868c272d0 [2023-11-24 22:18:53,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:18:53,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:18:53,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:18:53,140 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:18:53,141 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:18:53,143 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c [2023-11-24 22:18:56,498 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:18:56,792 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:18:56,793 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c [2023-11-24 22:18:56,804 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi/data/261b2cd9e/045162f107a340839901f7352501cb8a/FLAG62b3dcd37 [2023-11-24 22:18:56,828 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi/data/261b2cd9e/045162f107a340839901f7352501cb8a [2023-11-24 22:18:56,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:18:56,838 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:18:56,841 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:18:56,841 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:18:56,846 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:18:56,847 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:18:56" (1/1) ... [2023-11-24 22:18:56,849 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15001bc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:56, skipping insertion in model container [2023-11-24 22:18:56,849 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:18:56" (1/1) ... [2023-11-24 22:18:56,878 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:18:57,119 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c[1010,1023] [2023-11-24 22:18:57,142 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c[1167,1180] [2023-11-24 22:18:57,148 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c[1293,1306] [2023-11-24 22:18:57,151 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:18:57,174 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:18:57,199 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c[1010,1023] [2023-11-24 22:18:57,203 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c[1167,1180] [2023-11-24 22:18:57,208 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c[1293,1306] [2023-11-24 22:18:57,209 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:18:57,232 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:18:57,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:57 WrapperNode [2023-11-24 22:18:57,233 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:18:57,235 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:18:57,235 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:18:57,235 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:18:57,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:57" (1/1) ... [2023-11-24 22:18:57,257 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:57" (1/1) ... [2023-11-24 22:18:57,281 INFO L138 Inliner]: procedures = 15, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 30 [2023-11-24 22:18:57,282 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:18:57,283 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:18:57,283 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:18:57,283 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:18:57,294 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:57" (1/1) ... [2023-11-24 22:18:57,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:57" (1/1) ... [2023-11-24 22:18:57,312 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:57" (1/1) ... [2023-11-24 22:18:57,313 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:57" (1/1) ... [2023-11-24 22:18:57,321 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:57" (1/1) ... [2023-11-24 22:18:57,327 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:57" (1/1) ... [2023-11-24 22:18:57,337 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:57" (1/1) ... [2023-11-24 22:18:57,339 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:57" (1/1) ... [2023-11-24 22:18:57,342 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:18:57,343 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:18:57,343 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:18:57,343 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:18:57,344 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:57" (1/1) ... [2023-11-24 22:18:57,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:18:57,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:18:57,398 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:18:57,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:18:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:18:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:18:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:18:57,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:18:57,522 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:18:57,524 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:18:58,853 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:18:58,936 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:18:58,940 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:18:58,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:58 BoogieIcfgContainer [2023-11-24 22:18:58,943 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:18:58,944 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:18:58,944 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:18:58,958 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:18:58,959 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:58" (1/1) ... [2023-11-24 22:18:58,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:18:59,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:59,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-24 22:18:59,037 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-24 22:18:59,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:18:59,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:59,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:18:59,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:18:59,047 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:18:59,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:18:59,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:59,287 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:18:59,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:59,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:18:59,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:18:59,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:18:59,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:18:59,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:59,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2023-11-24 22:18:59,971 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2023-11-24 22:18:59,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:18:59,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:59,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:18:59,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:18:59,974 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:19:00,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-24 22:19:00,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:00,507 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:19:01,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:01,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:19:01,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:01,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:01,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-24 22:19:03,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:19:05,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:05,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2023-11-24 22:19:05,730 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2023-11-24 22:19:05,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:19:05,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:05,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:19:05,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:19:05,733 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:19:05,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-24 22:19:06,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:06,313 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:19:06,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:06,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:19:06,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:06,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:06,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-24 22:19:07,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:07,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 8 states and 7 transitions. [2023-11-24 22:19:07,023 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2023-11-24 22:19:07,023 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:19:07,024 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2023-11-24 22:19:07,033 INFO L751 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2023-11-24 22:19:07,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:19:07 ImpRootNode [2023-11-24 22:19:07,139 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:19:07,139 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:19:07,140 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:19:07,140 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:19:07,141 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:58" (3/4) ... [2023-11-24 22:19:07,143 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:19:07,153 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-24 22:19:07,154 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-24 22:19:07,154 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 22:19:07,154 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:19:07,294 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:19:07,299 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:19:07,300 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:19:07,304 INFO L158 Benchmark]: Toolchain (without parser) took 10462.88ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 64.4MB in the beginning and 87.0MB in the end (delta: -22.7MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2023-11-24 22:19:07,305 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 88.1MB. Free memory is still 63.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:19:07,306 INFO L158 Benchmark]: CACSL2BoogieTranslator took 392.78ms. Allocated memory is still 88.1MB. Free memory was 64.1MB in the beginning and 51.2MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:19:07,307 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.68ms. Allocated memory is still 88.1MB. Free memory was 51.2MB in the beginning and 49.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:19:07,309 INFO L158 Benchmark]: Boogie Preprocessor took 59.37ms. Allocated memory is still 88.1MB. Free memory was 49.5MB in the beginning and 48.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:19:07,310 INFO L158 Benchmark]: RCFGBuilder took 1600.08ms. Allocated memory is still 88.1MB. Free memory was 48.4MB in the beginning and 65.9MB in the end (delta: -17.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:19:07,310 INFO L158 Benchmark]: CodeCheck took 8194.68ms. Allocated memory is still 88.1MB. Free memory was 65.9MB in the beginning and 40.2MB in the end (delta: 25.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-24 22:19:07,312 INFO L158 Benchmark]: Witness Printer took 160.58ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 40.2MB in the beginning and 87.0MB in the end (delta: -46.9MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2023-11-24 22:19:07,315 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, 14 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 8.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 7.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 5.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39 IncrementalHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 6 mSDtfsCounter, 39 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 71 SizeOfPredicates, 15 NumberOfNonLiveVariables, 65 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 25]: 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: 35]: 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: 44]: 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 3 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 88.1MB. Free memory is still 63.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 392.78ms. Allocated memory is still 88.1MB. Free memory was 64.1MB in the beginning and 51.2MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.68ms. Allocated memory is still 88.1MB. Free memory was 51.2MB in the beginning and 49.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.37ms. Allocated memory is still 88.1MB. Free memory was 49.5MB in the beginning and 48.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1600.08ms. Allocated memory is still 88.1MB. Free memory was 48.4MB in the beginning and 65.9MB in the end (delta: -17.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 8194.68ms. Allocated memory is still 88.1MB. Free memory was 65.9MB in the beginning and 40.2MB in the end (delta: 25.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 160.58ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 40.2MB in the beginning and 87.0MB in the end (delta: -46.9MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 22:19:07,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e8d25a-7a55-4442-9bd2-8ab410ffc650/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE