./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b3fbfc0-6e38-4449-b1d8-dd954da75053/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b3fbfc0-6e38-4449-b1d8-dd954da75053/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b3fbfc0-6e38-4449-b1d8-dd954da75053/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b3fbfc0-6e38-4449-b1d8-dd954da75053/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b3fbfc0-6e38-4449-b1d8-dd954da75053/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b3fbfc0-6e38-4449-b1d8-dd954da75053/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash afde2bd0ce234bf8b4933e5a5437c8e1946600ea23fb2a4648cacd72bbfda8e3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:03:39,837 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:03:39,943 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b3fbfc0-6e38-4449-b1d8-dd954da75053/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 01:03:39,953 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:03:39,955 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 01:03:40,010 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:03:40,010 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:03:40,011 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 01:03:40,012 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 01:03:40,013 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 01:03:40,014 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:03:40,014 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:03:40,014 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:03:40,015 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:03:40,017 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:03:40,017 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:03:40,018 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:03:40,018 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:03:40,018 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:03:40,019 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:03:40,019 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:03:40,023 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:03:40,024 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:03:40,024 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 01:03:40,024 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 01:03:40,024 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 01:03:40,025 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:03:40,025 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 01:03:40,025 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:03:40,025 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:03:40,026 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:03:40,026 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 01:03:40,026 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:03:40,026 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_1b3fbfc0-6e38-4449-b1d8-dd954da75053/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b3fbfc0-6e38-4449-b1d8-dd954da75053/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> afde2bd0ce234bf8b4933e5a5437c8e1946600ea23fb2a4648cacd72bbfda8e3 [2024-11-09 01:03:40,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:03:40,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:03:40,407 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:03:40,409 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:03:40,411 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:03:40,413 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b3fbfc0-6e38-4449-b1d8-dd954da75053/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c Unable to find full path for "g++" [2024-11-09 01:03:42,425 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:03:42,653 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:03:42,654 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b3fbfc0-6e38-4449-b1d8-dd954da75053/sv-benchmarks/c/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c [2024-11-09 01:03:42,666 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b3fbfc0-6e38-4449-b1d8-dd954da75053/bin/ukojak-verify-ImItNfHLgk/data/cd8edf799/d2fbbd38bb3e4e5db310fbf7c42380a9/FLAG6762356e9 [2024-11-09 01:03:42,695 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b3fbfc0-6e38-4449-b1d8-dd954da75053/bin/ukojak-verify-ImItNfHLgk/data/cd8edf799/d2fbbd38bb3e4e5db310fbf7c42380a9 [2024-11-09 01:03:42,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:03:42,701 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:03:42,702 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:03:42,703 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:03:42,710 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:03:42,711 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:03:42" (1/1) ... [2024-11-09 01:03:42,714 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b9658f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:42, skipping insertion in model container [2024-11-09 01:03:42,717 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:03:42" (1/1) ... [2024-11-09 01:03:42,741 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:03:42,931 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_1b3fbfc0-6e38-4449-b1d8-dd954da75053/sv-benchmarks/c/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c[667,680] [2024-11-09 01:03:42,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:03:42,949 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:03:42,961 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_1b3fbfc0-6e38-4449-b1d8-dd954da75053/sv-benchmarks/c/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c[667,680] [2024-11-09 01:03:42,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:03:42,978 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:03:42,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:42 WrapperNode [2024-11-09 01:03:42,979 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:03:42,980 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:03:42,980 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:03:42,981 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:03:42,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:42" (1/1) ... [2024-11-09 01:03:42,995 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:42" (1/1) ... [2024-11-09 01:03:43,013 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2024-11-09 01:03:43,013 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:03:43,014 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:03:43,014 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:03:43,015 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:03:43,022 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:42" (1/1) ... [2024-11-09 01:03:43,022 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:42" (1/1) ... [2024-11-09 01:03:43,023 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:42" (1/1) ... [2024-11-09 01:03:43,024 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:42" (1/1) ... [2024-11-09 01:03:43,027 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:42" (1/1) ... [2024-11-09 01:03:43,029 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:42" (1/1) ... [2024-11-09 01:03:43,030 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:42" (1/1) ... [2024-11-09 01:03:43,031 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:42" (1/1) ... [2024-11-09 01:03:43,032 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:03:43,033 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:03:43,033 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:03:43,034 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:03:43,035 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:42" (1/1) ... [2024-11-09 01:03:43,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 01:03:43,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b3fbfc0-6e38-4449-b1d8-dd954da75053/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 01:03:43,064 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b3fbfc0-6e38-4449-b1d8-dd954da75053/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 01:03:43,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b3fbfc0-6e38-4449-b1d8-dd954da75053/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 01:03:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:03:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:03:43,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:03:43,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 01:03:43,162 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:03:43,165 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:03:43,275 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-09 01:03:43,275 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:03:43,298 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:03:43,298 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 01:03:43,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:03:43 BoogieIcfgContainer [2024-11-09 01:03:43,299 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:03:43,300 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 01:03:43,300 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 01:03:43,311 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 01:03:43,312 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:03:43" (1/1) ... [2024-11-09 01:03:43,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:03:43,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:03:43,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-09 01:03:43,375 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-09 01:03:43,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 01:03:43,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:03:43,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:03:43,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:03:43,485 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 01:03:43,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:03:43,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:03:43,550 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 01:03:43,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:03:43,578 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 01:03:43,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 01:03:43 ImpRootNode [2024-11-09 01:03:43,617 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 01:03:43,620 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:03:43,620 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:03:43,621 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:03:43,622 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:03:43" (3/4) ... [2024-11-09 01:03:43,626 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 01:03:43,629 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:03:43,630 INFO L158 Benchmark]: Toolchain (without parser) took 930.33ms. Allocated memory is still 151.0MB. Free memory was 121.0MB in the beginning and 85.0MB in the end (delta: 36.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-09 01:03:43,631 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 115.3MB. Free memory was 89.2MB in the beginning and 89.1MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:03:43,633 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.15ms. Allocated memory is still 151.0MB. Free memory was 121.0MB in the beginning and 108.6MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 01:03:43,634 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.24ms. Allocated memory is still 151.0MB. Free memory was 108.6MB in the beginning and 107.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:03:43,635 INFO L158 Benchmark]: Boogie Preprocessor took 18.39ms. Allocated memory is still 151.0MB. Free memory was 107.4MB in the beginning and 106.4MB in the end (delta: 953.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:03:43,636 INFO L158 Benchmark]: RCFGBuilder took 265.72ms. Allocated memory is still 151.0MB. Free memory was 106.4MB in the beginning and 96.9MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 01:03:43,637 INFO L158 Benchmark]: CodeCheck took 317.20ms. Allocated memory is still 151.0MB. Free memory was 96.4MB in the beginning and 85.5MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 01:03:43,638 INFO L158 Benchmark]: Witness Printer took 8.81ms. Allocated memory is still 151.0MB. Free memory was 85.0MB in the beginning and 85.0MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:03:43,646 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 27]: 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 12, overapproximation of someBinaryArithmeticDOUBLEoperation at line 10. Possible FailurePath: [L1] int __return_main; [L9] float main__x = 1.0; [L10] float main__x1 = main__x / 2.5; VAL [__return_main=0] [L12] COND FALSE !(main__x1 != main__x) [L21] int __tmp_1; [L22] __tmp_1 = main__x == 0 [L23] int __VERIFIER_assert__cond; [L24] __VERIFIER_assert__cond = __tmp_1 VAL [__VERIFIER_assert__cond=0, __return_main=0] [L25] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_main=0] [L27] reach_error() VAL [__return_main=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 115.3MB. Free memory was 89.2MB in the beginning and 89.1MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 277.15ms. Allocated memory is still 151.0MB. Free memory was 121.0MB in the beginning and 108.6MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.24ms. Allocated memory is still 151.0MB. Free memory was 108.6MB in the beginning and 107.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.39ms. Allocated memory is still 151.0MB. Free memory was 107.4MB in the beginning and 106.4MB in the end (delta: 953.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 265.72ms. Allocated memory is still 151.0MB. Free memory was 106.4MB in the beginning and 96.9MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 317.20ms. Allocated memory is still 151.0MB. Free memory was 96.4MB in the beginning and 85.5MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 8.81ms. Allocated memory is still 151.0MB. Free memory was 85.0MB in the beginning and 85.0MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 01:03:43,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b3fbfc0-6e38-4449-b1d8-dd954da75053/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b3fbfc0-6e38-4449-b1d8-dd954da75053/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b3fbfc0-6e38-4449-b1d8-dd954da75053/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b3fbfc0-6e38-4449-b1d8-dd954da75053/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b3fbfc0-6e38-4449-b1d8-dd954da75053/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b3fbfc0-6e38-4449-b1d8-dd954da75053/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b3fbfc0-6e38-4449-b1d8-dd954da75053/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash afde2bd0ce234bf8b4933e5a5437c8e1946600ea23fb2a4648cacd72bbfda8e3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:03:46,157 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:03:46,250 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b3fbfc0-6e38-4449-b1d8-dd954da75053/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-09 01:03:46,302 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:03:46,303 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:03:46,304 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 01:03:46,305 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 01:03:46,305 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 01:03:46,306 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:03:46,308 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:03:46,308 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:03:46,309 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:03:46,309 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:03:46,311 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:03:46,312 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:03:46,312 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:03:46,313 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 01:03:46,313 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 01:03:46,313 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:03:46,314 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 01:03:46,314 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:03:46,315 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:03:46,315 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:03:46,316 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 01:03:46,316 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 01:03:46,317 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 01:03:46,317 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 01:03:46,317 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 01:03:46,318 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:03:46,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 01:03:46,320 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:03:46,321 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:03:46,322 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:03:46,322 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 01:03:46,322 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 01:03:46,323 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 01:03:46,323 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_1b3fbfc0-6e38-4449-b1d8-dd954da75053/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b3fbfc0-6e38-4449-b1d8-dd954da75053/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> afde2bd0ce234bf8b4933e5a5437c8e1946600ea23fb2a4648cacd72bbfda8e3 [2024-11-09 01:03:46,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:03:46,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:03:46,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:03:46,741 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:03:46,742 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:03:46,744 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b3fbfc0-6e38-4449-b1d8-dd954da75053/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c Unable to find full path for "g++" [2024-11-09 01:03:48,788 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:03:49,054 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:03:49,054 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b3fbfc0-6e38-4449-b1d8-dd954da75053/sv-benchmarks/c/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c [2024-11-09 01:03:49,063 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b3fbfc0-6e38-4449-b1d8-dd954da75053/bin/ukojak-verify-ImItNfHLgk/data/7168c9e98/545ae5a1ced3417db2c51135383c3b81/FLAG7d8b52a62 [2024-11-09 01:03:49,371 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b3fbfc0-6e38-4449-b1d8-dd954da75053/bin/ukojak-verify-ImItNfHLgk/data/7168c9e98/545ae5a1ced3417db2c51135383c3b81 [2024-11-09 01:03:49,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:03:49,375 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:03:49,377 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:03:49,377 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:03:49,383 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:03:49,384 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:03:49" (1/1) ... [2024-11-09 01:03:49,385 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20c0d3fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:49, skipping insertion in model container [2024-11-09 01:03:49,385 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:03:49" (1/1) ... [2024-11-09 01:03:49,405 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:03:49,600 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_1b3fbfc0-6e38-4449-b1d8-dd954da75053/sv-benchmarks/c/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c[667,680] [2024-11-09 01:03:49,607 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:03:49,629 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:03:49,647 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_1b3fbfc0-6e38-4449-b1d8-dd954da75053/sv-benchmarks/c/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c[667,680] [2024-11-09 01:03:49,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:03:49,680 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:03:49,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:49 WrapperNode [2024-11-09 01:03:49,681 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:03:49,682 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:03:49,682 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:03:49,682 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:03:49,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:49" (1/1) ... [2024-11-09 01:03:49,701 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:49" (1/1) ... [2024-11-09 01:03:49,721 INFO L138 Inliner]: procedures = 13, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2024-11-09 01:03:49,721 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:03:49,723 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:03:49,724 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:03:49,724 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:03:49,750 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:49" (1/1) ... [2024-11-09 01:03:49,750 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:49" (1/1) ... [2024-11-09 01:03:49,752 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:49" (1/1) ... [2024-11-09 01:03:49,752 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:49" (1/1) ... [2024-11-09 01:03:49,766 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:49" (1/1) ... [2024-11-09 01:03:49,767 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:49" (1/1) ... [2024-11-09 01:03:49,769 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:49" (1/1) ... [2024-11-09 01:03:49,772 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:49" (1/1) ... [2024-11-09 01:03:49,774 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:03:49,779 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:03:49,779 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:03:49,779 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:03:49,780 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:49" (1/1) ... [2024-11-09 01:03:49,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 01:03:49,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b3fbfc0-6e38-4449-b1d8-dd954da75053/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 01:03:49,822 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b3fbfc0-6e38-4449-b1d8-dd954da75053/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 01:03:49,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b3fbfc0-6e38-4449-b1d8-dd954da75053/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 01:03:49,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:03:49,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:03:49,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:03:49,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 01:03:49,943 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:03:49,946 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:04:00,458 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-09 01:04:00,458 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:04:00,488 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:04:00,489 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 01:04:00,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:04:00 BoogieIcfgContainer [2024-11-09 01:04:00,489 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:04:00,490 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 01:04:00,490 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 01:04:00,500 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 01:04:00,501 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:04:00" (1/1) ... [2024-11-09 01:04:00,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:04:00,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:04:00,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-09 01:04:00,556 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-09 01:04:00,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 01:04:00,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:04:00,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:04:00,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b3fbfc0-6e38-4449-b1d8-dd954da75053/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:04:00,562 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b3fbfc0-6e38-4449-b1d8-dd954da75053/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:04:00,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b3fbfc0-6e38-4449-b1d8-dd954da75053/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 01:04:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:04:01,353 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:04:11,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:04:11,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b3fbfc0-6e38-4449-b1d8-dd954da75053/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-09 01:04:11,427 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-09 01:04:11,430 INFO L158 Benchmark]: Toolchain (without parser) took 22054.20ms. Allocated memory is still 71.3MB. Free memory was 47.4MB in the beginning and 47.2MB in the end (delta: 191.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:04:11,431 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 56.6MB. Free memory is still 32.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:04:11,432 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.52ms. Allocated memory is still 71.3MB. Free memory was 47.2MB in the beginning and 50.2MB in the end (delta: -3.0MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2024-11-09 01:04:11,432 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.05ms. Allocated memory is still 71.3MB. Free memory was 50.2MB in the beginning and 48.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:04:11,433 INFO L158 Benchmark]: Boogie Preprocessor took 55.33ms. Allocated memory is still 71.3MB. Free memory was 48.6MB in the beginning and 47.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:04:11,434 INFO L158 Benchmark]: RCFGBuilder took 10710.93ms. Allocated memory is still 71.3MB. Free memory was 47.3MB in the beginning and 36.9MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 01:04:11,434 INFO L158 Benchmark]: CodeCheck took 10938.71ms. Allocated memory is still 71.3MB. Free memory was 36.9MB in the beginning and 47.2MB in the end (delta: -10.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:04:11,439 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 56.6MB. Free memory is still 32.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.52ms. Allocated memory is still 71.3MB. Free memory was 47.2MB in the beginning and 50.2MB in the end (delta: -3.0MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.05ms. Allocated memory is still 71.3MB. Free memory was 50.2MB in the beginning and 48.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.33ms. Allocated memory is still 71.3MB. Free memory was 48.6MB in the beginning and 47.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 10710.93ms. Allocated memory is still 71.3MB. Free memory was 47.3MB in the beginning and 36.9MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 10938.71ms. Allocated memory is still 71.3MB. Free memory was 36.9MB in the beginning and 47.2MB in the end (delta: -10.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 01:04:11,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b3fbfc0-6e38-4449-b1d8-dd954da75053/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown