./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_7+soft_float_5a.c.cil.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_9b7b0a55-42bb-462a-a270-208c9205dcb1/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7b0a55-42bb-462a-a270-208c9205dcb1/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_9b7b0a55-42bb-462a-a270-208c9205dcb1/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7b0a55-42bb-462a-a270-208c9205dcb1/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_7+soft_float_5a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7b0a55-42bb-462a-a270-208c9205dcb1/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_9b7b0a55-42bb-462a-a270-208c9205dcb1/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 aff0e850a0570cb9360bb6d36c5ca43ce702912f0a3611fc5fda11d0dcbb5bf1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:47:27,250 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:47:27,316 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7b0a55-42bb-462a-a270-208c9205dcb1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 23:47:27,320 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:47:27,320 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:47:27,340 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:47:27,341 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:47:27,342 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:47:27,342 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:47:27,343 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:47:27,343 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:47:27,344 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:47:27,344 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:47:27,345 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:47:27,345 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:47:27,346 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:47:27,346 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:47:27,347 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:47:27,347 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:47:27,348 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:47:27,348 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:47:27,349 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:47:27,350 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:47:27,350 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:47:27,351 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:47:27,351 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:47:27,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:47:27,352 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:47:27,352 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:47:27,353 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:47:27,353 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:47:27,354 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:47:27,354 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:47:27,354 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_9b7b0a55-42bb-462a-a270-208c9205dcb1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7b0a55-42bb-462a-a270-208c9205dcb1/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aff0e850a0570cb9360bb6d36c5ca43ce702912f0a3611fc5fda11d0dcbb5bf1 [2023-12-02 23:47:27,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:47:27,589 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:47:27,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:47:27,593 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:47:27,593 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:47:27,595 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7b0a55-42bb-462a-a270-208c9205dcb1/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/combinations/square_7+soft_float_5a.c.cil.c [2023-12-02 23:47:30,335 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:47:30,513 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:47:30,514 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7b0a55-42bb-462a-a270-208c9205dcb1/sv-benchmarks/c/combinations/square_7+soft_float_5a.c.cil.c [2023-12-02 23:47:30,524 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7b0a55-42bb-462a-a270-208c9205dcb1/bin/ukojak-verify-Qdu7aM0XO9/data/7ce689f0e/26ef1f52a63c44c4b875a2d4b622a110/FLAGa29e86710 [2023-12-02 23:47:30,536 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7b0a55-42bb-462a-a270-208c9205dcb1/bin/ukojak-verify-Qdu7aM0XO9/data/7ce689f0e/26ef1f52a63c44c4b875a2d4b622a110 [2023-12-02 23:47:30,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:47:30,539 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:47:30,540 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:47:30,540 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:47:30,544 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:47:30,544 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:47:30" (1/1) ... [2023-12-02 23:47:30,545 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ac4e92d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:30, skipping insertion in model container [2023-12-02 23:47:30,545 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:47:30" (1/1) ... [2023-12-02 23:47:30,580 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:47:30,741 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_9b7b0a55-42bb-462a-a270-208c9205dcb1/sv-benchmarks/c/combinations/square_7+soft_float_5a.c.cil.c[1995,2008] [2023-12-02 23:47:30,747 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_9b7b0a55-42bb-462a-a270-208c9205dcb1/sv-benchmarks/c/combinations/square_7+soft_float_5a.c.cil.c[2364,2377] [2023-12-02 23:47:30,786 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:47:30,797 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:47:30,812 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_9b7b0a55-42bb-462a-a270-208c9205dcb1/sv-benchmarks/c/combinations/square_7+soft_float_5a.c.cil.c[1995,2008] [2023-12-02 23:47:30,814 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_9b7b0a55-42bb-462a-a270-208c9205dcb1/sv-benchmarks/c/combinations/square_7+soft_float_5a.c.cil.c[2364,2377] [2023-12-02 23:47:30,842 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:47:30,857 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:47:30,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:30 WrapperNode [2023-12-02 23:47:30,858 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:47:30,859 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:47:30,859 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:47:30,859 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:47:30,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:30" (1/1) ... [2023-12-02 23:47:30,876 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:30" (1/1) ... [2023-12-02 23:47:30,902 INFO L138 Inliner]: procedures = 27, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 169 [2023-12-02 23:47:30,902 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:47:30,903 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:47:30,903 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:47:30,903 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:47:30,912 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:30" (1/1) ... [2023-12-02 23:47:30,912 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:30" (1/1) ... [2023-12-02 23:47:30,915 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:30" (1/1) ... [2023-12-02 23:47:30,915 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:30" (1/1) ... [2023-12-02 23:47:30,922 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:30" (1/1) ... [2023-12-02 23:47:30,927 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:30" (1/1) ... [2023-12-02 23:47:30,929 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:30" (1/1) ... [2023-12-02 23:47:30,931 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:30" (1/1) ... [2023-12-02 23:47:30,934 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:47:30,935 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:47:30,935 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:47:30,936 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:47:30,936 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:30" (1/1) ... [2023-12-02 23:47:30,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:47:30,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7b0a55-42bb-462a-a270-208c9205dcb1/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:47:30,970 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7b0a55-42bb-462a-a270-208c9205dcb1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:47:30,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7b0a55-42bb-462a-a270-208c9205dcb1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:47:31,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:47:31,008 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-12-02 23:47:31,008 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-12-02 23:47:31,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:47:31,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:47:31,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:47:31,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 23:47:31,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 23:47:31,077 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:47:31,078 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:47:31,404 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:47:31,551 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:47:31,551 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 23:47:31,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:47:31 BoogieIcfgContainer [2023-12-02 23:47:31,553 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:47:31,554 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:47:31,554 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:47:31,563 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:47:31,563 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:47:31" (1/1) ... [2023-12-02 23:47:31,571 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:47:31,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:31,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-12-02 23:47:31,619 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-12-02 23:47:31,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:47:31,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:31,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:47:31,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:47:31,692 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:47:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:47:31,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:47:31,729 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:47:31,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:47:31,741 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 23:47:31,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:47:31 ImpRootNode [2023-12-02 23:47:31,758 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:47:31,759 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:47:31,759 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:47:31,759 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:47:31,760 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:47:31" (3/4) ... [2023-12-02 23:47:31,762 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:47:31,763 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:47:31,765 INFO L158 Benchmark]: Toolchain (without parser) took 1224.84ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 84.2MB in the beginning and 87.1MB in the end (delta: -2.9MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2023-12-02 23:47:31,765 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 125.8MB. Free memory is still 97.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:47:31,766 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.13ms. Allocated memory is still 125.8MB. Free memory was 84.2MB in the beginning and 69.9MB in the end (delta: 14.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 23:47:31,766 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.32ms. Allocated memory is still 125.8MB. Free memory was 69.9MB in the beginning and 67.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:47:31,767 INFO L158 Benchmark]: Boogie Preprocessor took 31.83ms. Allocated memory is still 125.8MB. Free memory was 67.4MB in the beginning and 65.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:47:31,768 INFO L158 Benchmark]: RCFGBuilder took 618.15ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 65.9MB in the beginning and 98.9MB in the end (delta: -33.1MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2023-12-02 23:47:31,769 INFO L158 Benchmark]: CodeCheck took 204.07ms. Allocated memory is still 151.0MB. Free memory was 98.9MB in the beginning and 87.1MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 23:47:31,769 INFO L158 Benchmark]: Witness Printer took 4.44ms. Allocated memory is still 151.0MB. Free memory is still 87.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:47:31,773 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 3 procedures, 45 locations, 2 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: 48]: 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 47, overapproximation of someBinaryArithmeticFLOAToperation at line 45. Possible FailurePath: [L322] COND TRUE __VERIFIER_nondet_int() [L323] CALL main1() [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L34] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L42] float x = IN; [L44-L45] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; VAL [IN=2, x=2] [L47] COND TRUE !(result >= 0.0f && result < 1.4f) VAL [IN=2, x=2] [L48] reach_error() VAL [IN=2, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 125.8MB. Free memory is still 97.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 318.13ms. Allocated memory is still 125.8MB. Free memory was 84.2MB in the beginning and 69.9MB in the end (delta: 14.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.32ms. Allocated memory is still 125.8MB. Free memory was 69.9MB in the beginning and 67.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.83ms. Allocated memory is still 125.8MB. Free memory was 67.4MB in the beginning and 65.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 618.15ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 65.9MB in the beginning and 98.9MB in the end (delta: -33.1MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. * CodeCheck took 204.07ms. Allocated memory is still 151.0MB. Free memory was 98.9MB in the beginning and 87.1MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.44ms. Allocated memory is still 151.0MB. Free memory is still 87.1MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 23:47:31,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7b0a55-42bb-462a-a270-208c9205dcb1/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_9b7b0a55-42bb-462a-a270-208c9205dcb1/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7b0a55-42bb-462a-a270-208c9205dcb1/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_9b7b0a55-42bb-462a-a270-208c9205dcb1/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7b0a55-42bb-462a-a270-208c9205dcb1/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_7+soft_float_5a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7b0a55-42bb-462a-a270-208c9205dcb1/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_9b7b0a55-42bb-462a-a270-208c9205dcb1/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 aff0e850a0570cb9360bb6d36c5ca43ce702912f0a3611fc5fda11d0dcbb5bf1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:47:33,757 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:47:33,824 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7b0a55-42bb-462a-a270-208c9205dcb1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 23:47:33,850 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:47:33,851 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:47:33,852 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:47:33,853 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:47:33,853 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:47:33,853 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:47:33,854 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:47:33,855 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:47:33,855 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:47:33,856 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:47:33,856 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:47:33,857 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:47:33,857 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:47:33,858 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:47:33,858 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:47:33,859 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:47:33,859 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:47:33,860 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:47:33,860 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:47:33,861 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:47:33,861 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:47:33,862 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:47:33,862 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:33,862 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:47:33,863 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:47:33,863 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:47:33,864 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:47:33,864 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:47:33,865 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:47:33,865 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:47:33,866 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:33,866 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:47:33,866 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:47:33,867 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:47:33,867 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_9b7b0a55-42bb-462a-a270-208c9205dcb1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7b0a55-42bb-462a-a270-208c9205dcb1/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aff0e850a0570cb9360bb6d36c5ca43ce702912f0a3611fc5fda11d0dcbb5bf1 [2023-12-02 23:47:34,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:47:34,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:47:34,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:47:34,201 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:47:34,201 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:47:34,202 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7b0a55-42bb-462a-a270-208c9205dcb1/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/combinations/square_7+soft_float_5a.c.cil.c [2023-12-02 23:47:36,922 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:47:37,134 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:47:37,135 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7b0a55-42bb-462a-a270-208c9205dcb1/sv-benchmarks/c/combinations/square_7+soft_float_5a.c.cil.c [2023-12-02 23:47:37,145 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7b0a55-42bb-462a-a270-208c9205dcb1/bin/ukojak-verify-Qdu7aM0XO9/data/c1197bfe1/ef7c0ce2d82448ca8bb073f3f1d81dc6/FLAGcbada5c73 [2023-12-02 23:47:37,157 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7b0a55-42bb-462a-a270-208c9205dcb1/bin/ukojak-verify-Qdu7aM0XO9/data/c1197bfe1/ef7c0ce2d82448ca8bb073f3f1d81dc6 [2023-12-02 23:47:37,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:47:37,160 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:47:37,161 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:47:37,161 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:47:37,165 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:47:37,165 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:47:37" (1/1) ... [2023-12-02 23:47:37,166 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56daacc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:37, skipping insertion in model container [2023-12-02 23:47:37,166 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:47:37" (1/1) ... [2023-12-02 23:47:37,197 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:47:37,333 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_9b7b0a55-42bb-462a-a270-208c9205dcb1/sv-benchmarks/c/combinations/square_7+soft_float_5a.c.cil.c[1995,2008] [2023-12-02 23:47:37,339 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_9b7b0a55-42bb-462a-a270-208c9205dcb1/sv-benchmarks/c/combinations/square_7+soft_float_5a.c.cil.c[2364,2377] [2023-12-02 23:47:37,377 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:47:37,390 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:47:37,404 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_9b7b0a55-42bb-462a-a270-208c9205dcb1/sv-benchmarks/c/combinations/square_7+soft_float_5a.c.cil.c[1995,2008] [2023-12-02 23:47:37,406 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_9b7b0a55-42bb-462a-a270-208c9205dcb1/sv-benchmarks/c/combinations/square_7+soft_float_5a.c.cil.c[2364,2377] [2023-12-02 23:47:37,432 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:47:37,446 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:47:37,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:37 WrapperNode [2023-12-02 23:47:37,447 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:47:37,448 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:47:37,448 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:47:37,448 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:47:37,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:37" (1/1) ... [2023-12-02 23:47:37,466 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:37" (1/1) ... [2023-12-02 23:47:37,491 INFO L138 Inliner]: procedures = 28, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 134 [2023-12-02 23:47:37,491 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:47:37,492 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:47:37,492 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:47:37,493 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:47:37,500 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:37" (1/1) ... [2023-12-02 23:47:37,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:37" (1/1) ... [2023-12-02 23:47:37,506 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:37" (1/1) ... [2023-12-02 23:47:37,506 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:37" (1/1) ... [2023-12-02 23:47:37,515 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:37" (1/1) ... [2023-12-02 23:47:37,520 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:37" (1/1) ... [2023-12-02 23:47:37,523 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:37" (1/1) ... [2023-12-02 23:47:37,525 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:37" (1/1) ... [2023-12-02 23:47:37,530 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:47:37,531 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:47:37,531 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:47:37,531 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:47:37,532 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:37" (1/1) ... [2023-12-02 23:47:37,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:47:37,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7b0a55-42bb-462a-a270-208c9205dcb1/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:47:37,567 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7b0a55-42bb-462a-a270-208c9205dcb1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:47:37,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7b0a55-42bb-462a-a270-208c9205dcb1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:47:37,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:47:37,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:47:37,597 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-12-02 23:47:37,597 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-12-02 23:47:37,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:47:37,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:47:37,597 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 23:47:37,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 23:47:37,681 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:47:37,684 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:47:48,218 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:47:48,290 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:47:48,291 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 23:47:48,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:47:48 BoogieIcfgContainer [2023-12-02 23:47:48,293 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:47:48,294 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:47:48,294 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:47:48,302 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:47:48,302 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:47:48" (1/1) ... [2023-12-02 23:47:48,311 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:47:48,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:48,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-12-02 23:47:48,359 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-12-02 23:47:48,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:47:48,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:48,361 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:48,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7b0a55-42bb-462a-a270-208c9205dcb1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:48,363 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7b0a55-42bb-462a-a270-208c9205dcb1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:48,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7b0a55-42bb-462a-a270-208c9205dcb1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:58:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:58:37,284 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:58:47,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 23:58:47,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7b0a55-42bb-462a-a270-208c9205dcb1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:58:47,607 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:488) 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) [2023-12-02 23:58:47,611 INFO L158 Benchmark]: Toolchain (without parser) took 670450.73ms. Allocated memory was 83.9MB in the beginning and 123.7MB in the end (delta: 39.8MB). Free memory was 59.8MB in the beginning and 71.1MB in the end (delta: -11.3MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2023-12-02 23:58:47,611 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 83.9MB. Free memory is still 60.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:58:47,612 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.04ms. Allocated memory is still 83.9MB. Free memory was 59.6MB in the beginning and 45.1MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 23:58:47,612 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.90ms. Allocated memory is still 83.9MB. Free memory was 45.1MB in the beginning and 42.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:58:47,613 INFO L158 Benchmark]: Boogie Preprocessor took 37.93ms. Allocated memory is still 83.9MB. Free memory was 42.9MB in the beginning and 41.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:58:47,614 INFO L158 Benchmark]: RCFGBuilder took 10761.84ms. Allocated memory was 83.9MB in the beginning and 123.7MB in the end (delta: 39.8MB). Free memory was 41.1MB in the beginning and 80.7MB in the end (delta: -39.6MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2023-12-02 23:58:47,614 INFO L158 Benchmark]: CodeCheck took 659316.25ms. Allocated memory is still 123.7MB. Free memory was 80.7MB in the beginning and 71.1MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 23:58:47,617 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:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 83.9MB. Free memory is still 60.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 286.04ms. Allocated memory is still 83.9MB. Free memory was 59.6MB in the beginning and 45.1MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.90ms. Allocated memory is still 83.9MB. Free memory was 45.1MB in the beginning and 42.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.93ms. Allocated memory is still 83.9MB. Free memory was 42.9MB in the beginning and 41.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 10761.84ms. Allocated memory was 83.9MB in the beginning and 123.7MB in the end (delta: 39.8MB). Free memory was 41.1MB in the beginning and 80.7MB in the end (delta: -39.6MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * CodeCheck took 659316.25ms. Allocated memory is still 123.7MB. Free memory was 80.7MB in the beginning and 71.1MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:58:47,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7b0a55-42bb-462a-a270-208c9205dcb1/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: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown