./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.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_8398efb1-ed1e-4d52-9e4e-f02470d373f4/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8398efb1-ed1e-4d52-9e4e-f02470d373f4/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8398efb1-ed1e-4d52-9e4e-f02470d373f4/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8398efb1-ed1e-4d52-9e4e-f02470d373f4/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8398efb1-ed1e-4d52-9e4e-f02470d373f4/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8398efb1-ed1e-4d52-9e4e-f02470d373f4/bin/ukojak-verify-Qdu7aM0XO9 --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 6be8c61124ae7b0d434e1a6e7e7df1be3e3bca0c1d0e7a5376e369656416ef61 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:06:45,965 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:06:46,027 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8398efb1-ed1e-4d52-9e4e-f02470d373f4/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:06:46,031 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:06:46,031 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:06:46,052 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:06:46,053 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:06:46,054 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:06:46,055 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:06:46,055 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:06:46,056 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:06:46,056 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:06:46,057 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:06:46,057 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:06:46,058 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:06:46,058 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:06:46,059 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:06:46,059 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:06:46,060 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:06:46,060 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:06:46,061 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:06:46,062 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:06:46,062 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:06:46,063 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:06:46,063 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:06:46,064 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:06:46,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:06:46,065 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:06:46,065 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:06:46,065 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:06:46,066 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:06:46,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:06:46,067 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:06:46,067 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_8398efb1-ed1e-4d52-9e4e-f02470d373f4/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8398efb1-ed1e-4d52-9e4e-f02470d373f4/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6be8c61124ae7b0d434e1a6e7e7df1be3e3bca0c1d0e7a5376e369656416ef61 [2023-12-03 02:06:46,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:06:46,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:06:46,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:06:46,315 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:06:46,316 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:06:46,317 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8398efb1-ed1e-4d52-9e4e-f02470d373f4/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c [2023-12-03 02:06:49,123 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:06:49,280 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:06:49,281 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8398efb1-ed1e-4d52-9e4e-f02470d373f4/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c [2023-12-03 02:06:49,288 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8398efb1-ed1e-4d52-9e4e-f02470d373f4/bin/ukojak-verify-Qdu7aM0XO9/data/555c394c7/252858a5fb844a948d12f575a91c5a36/FLAGd18fc21a9 [2023-12-03 02:06:49,303 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8398efb1-ed1e-4d52-9e4e-f02470d373f4/bin/ukojak-verify-Qdu7aM0XO9/data/555c394c7/252858a5fb844a948d12f575a91c5a36 [2023-12-03 02:06:49,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:06:49,307 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:06:49,309 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:06:49,309 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:06:49,314 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:06:49,315 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:06:49" (1/1) ... [2023-12-03 02:06:49,316 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@387b666f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:49, skipping insertion in model container [2023-12-03 02:06:49,316 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:06:49" (1/1) ... [2023-12-03 02:06:49,335 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:06:49,483 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_8398efb1-ed1e-4d52-9e4e-f02470d373f4/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c[352,365] [2023-12-03 02:06:49,488 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:06:49,499 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:06:49,512 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_8398efb1-ed1e-4d52-9e4e-f02470d373f4/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c[352,365] [2023-12-03 02:06:49,513 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:06:49,527 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:06:49,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:49 WrapperNode [2023-12-03 02:06:49,527 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:06:49,529 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:06:49,529 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:06:49,529 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:06:49,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:49" (1/1) ... [2023-12-03 02:06:49,543 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:49" (1/1) ... [2023-12-03 02:06:49,559 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2023-12-03 02:06:49,559 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:06:49,560 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:06:49,560 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:06:49,560 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:06:49,569 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:49" (1/1) ... [2023-12-03 02:06:49,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:49" (1/1) ... [2023-12-03 02:06:49,570 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:49" (1/1) ... [2023-12-03 02:06:49,570 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:49" (1/1) ... [2023-12-03 02:06:49,573 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:49" (1/1) ... [2023-12-03 02:06:49,575 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:49" (1/1) ... [2023-12-03 02:06:49,575 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:49" (1/1) ... [2023-12-03 02:06:49,576 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:49" (1/1) ... [2023-12-03 02:06:49,577 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:06:49,578 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:06:49,579 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:06:49,579 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:06:49,580 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:49" (1/1) ... [2023-12-03 02:06:49,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:06:49,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8398efb1-ed1e-4d52-9e4e-f02470d373f4/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:06:49,609 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8398efb1-ed1e-4d52-9e4e-f02470d373f4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:06:49,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8398efb1-ed1e-4d52-9e4e-f02470d373f4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:06:49,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:06:49,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:06:49,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:06:49,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:06:49,705 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:06:49,706 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:06:49,773 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:06:49,790 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:06:49,791 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 02:06:49,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:06:49 BoogieIcfgContainer [2023-12-03 02:06:49,792 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:06:49,793 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:06:49,793 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:06:49,803 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:06:49,803 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:06:49" (1/1) ... [2023-12-03 02:06:49,813 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:06:49,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:49,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-12-03 02:06:49,862 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-12-03 02:06:49,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 02:06:49,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:49,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:49,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:06:49,942 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:06:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:06:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:06:49,986 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:06:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:06:49,997 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 02:06:50,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:06:50 ImpRootNode [2023-12-03 02:06:50,016 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:06:50,016 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:06:50,017 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:06:50,017 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:06:50,017 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:06:49" (3/4) ... [2023-12-03 02:06:50,020 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 02:06:50,021 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:06:50,022 INFO L158 Benchmark]: Toolchain (without parser) took 714.35ms. Allocated memory is still 144.7MB. Free memory was 104.2MB in the beginning and 72.3MB in the end (delta: 31.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-12-03 02:06:50,022 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 144.7MB. Free memory is still 116.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:06:50,023 INFO L158 Benchmark]: CACSL2BoogieTranslator took 219.10ms. Allocated memory is still 144.7MB. Free memory was 104.2MB in the beginning and 94.3MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 02:06:50,024 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.66ms. Allocated memory is still 144.7MB. Free memory was 94.3MB in the beginning and 93.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:06:50,025 INFO L158 Benchmark]: Boogie Preprocessor took 17.79ms. Allocated memory is still 144.7MB. Free memory was 93.1MB in the beginning and 92.2MB in the end (delta: 975.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:06:50,025 INFO L158 Benchmark]: RCFGBuilder took 214.16ms. Allocated memory is still 144.7MB. Free memory was 91.7MB in the beginning and 82.8MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 02:06:50,026 INFO L158 Benchmark]: CodeCheck took 222.66ms. Allocated memory is still 144.7MB. Free memory was 82.8MB in the beginning and 72.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 02:06:50,026 INFO L158 Benchmark]: Witness Printer took 4.54ms. Allocated memory is still 144.7MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:06:50,029 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, 6 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, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 12]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of to_int at line 9, overapproximation of to_real at line 10. Possible FailurePath: [L6] unsigned int i, j; [L7] double d; [L9] i=100.0 [L10] d=i [L11] j=d [L12] COND TRUE !(j==100) VAL [j=0] [L12] reach_error() VAL [j=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 144.7MB. Free memory is still 116.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 219.10ms. Allocated memory is still 144.7MB. Free memory was 104.2MB in the beginning and 94.3MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.66ms. Allocated memory is still 144.7MB. Free memory was 94.3MB in the beginning and 93.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.79ms. Allocated memory is still 144.7MB. Free memory was 93.1MB in the beginning and 92.2MB in the end (delta: 975.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 214.16ms. Allocated memory is still 144.7MB. Free memory was 91.7MB in the beginning and 82.8MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 222.66ms. Allocated memory is still 144.7MB. Free memory was 82.8MB in the beginning and 72.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 4.54ms. Allocated memory is still 144.7MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 02:06:50,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8398efb1-ed1e-4d52-9e4e-f02470d373f4/bin/ukojak-verify-Qdu7aM0XO9/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_8398efb1-ed1e-4d52-9e4e-f02470d373f4/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8398efb1-ed1e-4d52-9e4e-f02470d373f4/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8398efb1-ed1e-4d52-9e4e-f02470d373f4/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8398efb1-ed1e-4d52-9e4e-f02470d373f4/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8398efb1-ed1e-4d52-9e4e-f02470d373f4/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8398efb1-ed1e-4d52-9e4e-f02470d373f4/bin/ukojak-verify-Qdu7aM0XO9 --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 6be8c61124ae7b0d434e1a6e7e7df1be3e3bca0c1d0e7a5376e369656416ef61 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:06:51,913 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:06:51,980 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8398efb1-ed1e-4d52-9e4e-f02470d373f4/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 02:06:52,008 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:06:52,009 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:06:52,009 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:06:52,010 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:06:52,011 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:06:52,011 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:06:52,012 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:06:52,012 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:06:52,013 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:06:52,013 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:06:52,014 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:06:52,014 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:06:52,015 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:06:52,015 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:06:52,016 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:06:52,016 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:06:52,016 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:06:52,017 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:06:52,018 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:06:52,018 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:06:52,019 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:06:52,019 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:06:52,020 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:06:52,020 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:06:52,021 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:06:52,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:06:52,021 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:06:52,022 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:06:52,022 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:06:52,023 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:06:52,023 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:06:52,023 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:06:52,024 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:06:52,024 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:06:52,024 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_8398efb1-ed1e-4d52-9e4e-f02470d373f4/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8398efb1-ed1e-4d52-9e4e-f02470d373f4/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6be8c61124ae7b0d434e1a6e7e7df1be3e3bca0c1d0e7a5376e369656416ef61 [2023-12-03 02:06:52,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:06:52,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:06:52,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:06:52,348 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:06:52,348 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:06:52,349 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8398efb1-ed1e-4d52-9e4e-f02470d373f4/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c [2023-12-03 02:06:55,152 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:06:55,357 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:06:55,357 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8398efb1-ed1e-4d52-9e4e-f02470d373f4/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c [2023-12-03 02:06:55,365 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8398efb1-ed1e-4d52-9e4e-f02470d373f4/bin/ukojak-verify-Qdu7aM0XO9/data/47e00cfa6/072021e58ed945349b982e49bdfb84b4/FLAG150f023b0 [2023-12-03 02:06:55,380 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8398efb1-ed1e-4d52-9e4e-f02470d373f4/bin/ukojak-verify-Qdu7aM0XO9/data/47e00cfa6/072021e58ed945349b982e49bdfb84b4 [2023-12-03 02:06:55,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:06:55,384 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:06:55,385 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:06:55,386 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:06:55,390 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:06:55,391 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:06:55" (1/1) ... [2023-12-03 02:06:55,392 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56e4856f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:55, skipping insertion in model container [2023-12-03 02:06:55,393 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:06:55" (1/1) ... [2023-12-03 02:06:55,411 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:06:55,561 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_8398efb1-ed1e-4d52-9e4e-f02470d373f4/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c[352,365] [2023-12-03 02:06:55,566 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:06:55,582 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:06:55,596 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_8398efb1-ed1e-4d52-9e4e-f02470d373f4/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c[352,365] [2023-12-03 02:06:55,596 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:06:55,612 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:06:55,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:55 WrapperNode [2023-12-03 02:06:55,612 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:06:55,613 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:06:55,614 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:06:55,614 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:06:55,621 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:55" (1/1) ... [2023-12-03 02:06:55,630 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:55" (1/1) ... [2023-12-03 02:06:55,645 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2023-12-03 02:06:55,646 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:06:55,647 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:06:55,647 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:06:55,647 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:06:55,656 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:55" (1/1) ... [2023-12-03 02:06:55,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:55" (1/1) ... [2023-12-03 02:06:55,658 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:55" (1/1) ... [2023-12-03 02:06:55,659 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:55" (1/1) ... [2023-12-03 02:06:55,664 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:55" (1/1) ... [2023-12-03 02:06:55,666 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:55" (1/1) ... [2023-12-03 02:06:55,667 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:55" (1/1) ... [2023-12-03 02:06:55,669 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:55" (1/1) ... [2023-12-03 02:06:55,671 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:06:55,672 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:06:55,672 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:06:55,673 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:06:55,673 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:55" (1/1) ... [2023-12-03 02:06:55,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:06:55,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8398efb1-ed1e-4d52-9e4e-f02470d373f4/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:06:55,709 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8398efb1-ed1e-4d52-9e4e-f02470d373f4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:06:55,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8398efb1-ed1e-4d52-9e4e-f02470d373f4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:06:55,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:06:55,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:06:55,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:06:55,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:06:55,819 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:06:55,821 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:06:56,075 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:06:56,101 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:06:56,101 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 02:06:56,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:06:56 BoogieIcfgContainer [2023-12-03 02:06:56,111 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:06:56,112 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:06:56,112 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:06:56,128 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:06:56,128 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:06:56" (1/1) ... [2023-12-03 02:06:56,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:06:56,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:56,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-12-03 02:06:56,207 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-12-03 02:06:56,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 02:06:56,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:56,210 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:06:56,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8398efb1-ed1e-4d52-9e4e-f02470d373f4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:06:56,211 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8398efb1-ed1e-4d52-9e4e-f02470d373f4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:06:56,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8398efb1-ed1e-4d52-9e4e-f02470d373f4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:06:56,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:56,294 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:06:56,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:56,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:06:56,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:06:56,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:06:56,571 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8398efb1-ed1e-4d52-9e4e-f02470d373f4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:06:56,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8398efb1-ed1e-4d52-9e4e-f02470d373f4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:06:56,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:56,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2023-12-03 02:06:56,929 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2023-12-03 02:06:56,930 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 02:06:56,930 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2023-12-03 02:06:56,939 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 02:06:56,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:06:56 ImpRootNode [2023-12-03 02:06:56,947 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:06:56,948 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:06:56,948 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:06:56,948 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:06:56,949 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:06:56" (3/4) ... [2023-12-03 02:06:56,951 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 02:06:56,958 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-12-03 02:06:56,959 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-12-03 02:06:56,959 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 02:06:56,959 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 02:06:57,032 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8398efb1-ed1e-4d52-9e4e-f02470d373f4/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 02:06:57,032 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8398efb1-ed1e-4d52-9e4e-f02470d373f4/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 02:06:57,032 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:06:57,033 INFO L158 Benchmark]: Toolchain (without parser) took 1649.24ms. Allocated memory was 92.3MB in the beginning and 121.6MB in the end (delta: 29.4MB). Free memory was 69.1MB in the beginning and 83.8MB in the end (delta: -14.7MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2023-12-03 02:06:57,034 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 92.3MB. Free memory is still 69.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:06:57,034 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.46ms. Allocated memory is still 92.3MB. Free memory was 68.8MB in the beginning and 58.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 02:06:57,035 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.48ms. Allocated memory is still 92.3MB. Free memory was 58.3MB in the beginning and 57.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:06:57,036 INFO L158 Benchmark]: Boogie Preprocessor took 24.79ms. Allocated memory is still 92.3MB. Free memory was 57.0MB in the beginning and 55.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:06:57,036 INFO L158 Benchmark]: RCFGBuilder took 439.11ms. Allocated memory was 92.3MB in the beginning and 121.6MB in the end (delta: 29.4MB). Free memory was 55.7MB in the beginning and 101.0MB in the end (delta: -45.4MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2023-12-03 02:06:57,037 INFO L158 Benchmark]: CodeCheck took 834.92ms. Allocated memory is still 121.6MB. Free memory was 101.0MB in the beginning and 87.9MB in the end (delta: 13.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 02:06:57,038 INFO L158 Benchmark]: Witness Printer took 84.75ms. Allocated memory is still 121.6MB. Free memory was 87.9MB in the beginning and 83.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 02:06:57,041 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, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 1 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 4 NumberOfNonLiveVariables, 18 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 12]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 92.3MB. Free memory is still 69.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 227.46ms. Allocated memory is still 92.3MB. Free memory was 68.8MB in the beginning and 58.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.48ms. Allocated memory is still 92.3MB. Free memory was 58.3MB in the beginning and 57.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.79ms. Allocated memory is still 92.3MB. Free memory was 57.0MB in the beginning and 55.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 439.11ms. Allocated memory was 92.3MB in the beginning and 121.6MB in the end (delta: 29.4MB). Free memory was 55.7MB in the beginning and 101.0MB in the end (delta: -45.4MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * CodeCheck took 834.92ms. Allocated memory is still 121.6MB. Free memory was 101.0MB in the beginning and 87.9MB in the end (delta: 13.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 84.75ms. Allocated memory is still 121.6MB. Free memory was 87.9MB in the beginning and 83.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 02:06:57,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8398efb1-ed1e-4d52-9e4e-f02470d373f4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE