./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1211a.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_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/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_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1211a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/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_bcb49a71-40b2-4f73-a93d-b4482c989aca/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 11de8b1d34bf28c678335a47cf13777a2fdebca168e06294b055c2a549d4333e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:07:05,350 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:07:05,425 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:07:05,429 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:07:05,429 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:07:05,451 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:07:05,452 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:07:05,452 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:07:05,453 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:07:05,454 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:07:05,454 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:07:05,455 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:07:05,455 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:07:05,456 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:07:05,456 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:07:05,457 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:07:05,457 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:07:05,458 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:07:05,458 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:07:05,459 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:07:05,459 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:07:05,460 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:07:05,460 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:07:05,461 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:07:05,461 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:07:05,462 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:07:05,462 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:07:05,463 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:07:05,463 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:07:05,463 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:07:05,464 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:07:05,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:07:05,464 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:07:05,465 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_bcb49a71-40b2-4f73-a93d-b4482c989aca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11de8b1d34bf28c678335a47cf13777a2fdebca168e06294b055c2a549d4333e [2023-12-03 01:07:05,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:07:05,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:07:05,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:07:05,732 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:07:05,732 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:07:05,733 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/float_req_bl_1211a.c [2023-12-03 01:07:08,448 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:07:08,621 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:07:08,622 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/sv-benchmarks/c/float-newlib/float_req_bl_1211a.c [2023-12-03 01:07:08,630 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/data/3f58fdfd1/b2061dee7313438194d1f559e99384cd/FLAG8a20102bd [2023-12-03 01:07:08,642 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/data/3f58fdfd1/b2061dee7313438194d1f559e99384cd [2023-12-03 01:07:08,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:07:08,646 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:07:08,647 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:07:08,647 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:07:08,651 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:07:08,652 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:07:08" (1/1) ... [2023-12-03 01:07:08,653 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2760b325 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:08, skipping insertion in model container [2023-12-03 01:07:08,653 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:07:08" (1/1) ... [2023-12-03 01:07:08,676 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:07:08,831 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_bcb49a71-40b2-4f73-a93d-b4482c989aca/sv-benchmarks/c/float-newlib/float_req_bl_1211a.c[2576,2589] [2023-12-03 01:07:08,836 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:07:08,849 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:07:08,879 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_bcb49a71-40b2-4f73-a93d-b4482c989aca/sv-benchmarks/c/float-newlib/float_req_bl_1211a.c[2576,2589] [2023-12-03 01:07:08,880 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:07:08,895 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:07:08,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:08 WrapperNode [2023-12-03 01:07:08,896 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:07:08,897 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:07:08,897 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:07:08,897 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:07:08,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:08" (1/1) ... [2023-12-03 01:07:08,914 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:08" (1/1) ... [2023-12-03 01:07:08,940 INFO L138 Inliner]: procedures = 19, calls = 57, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 213 [2023-12-03 01:07:08,941 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:07:08,941 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:07:08,942 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:07:08,942 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:07:08,951 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:08" (1/1) ... [2023-12-03 01:07:08,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:08" (1/1) ... [2023-12-03 01:07:08,955 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:08" (1/1) ... [2023-12-03 01:07:08,955 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:08" (1/1) ... [2023-12-03 01:07:08,965 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:08" (1/1) ... [2023-12-03 01:07:08,970 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:08" (1/1) ... [2023-12-03 01:07:08,972 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:08" (1/1) ... [2023-12-03 01:07:08,974 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:08" (1/1) ... [2023-12-03 01:07:08,977 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:07:08,978 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:07:08,978 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:07:08,978 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:07:08,979 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:08" (1/1) ... [2023-12-03 01:07:08,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:07:08,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:07:09,011 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:07:09,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:07:09,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:07:09,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:07:09,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:07:09,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-03 01:07:09,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 01:07:09,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-03 01:07:09,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:07:09,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:07:09,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-12-03 01:07:09,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 01:07:09,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:07:09,142 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:07:09,144 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:07:09,467 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:07:09,543 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:07:09,543 INFO L309 CfgBuilder]: Removed 18 assume(true) statements. [2023-12-03 01:07:09,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:07:09 BoogieIcfgContainer [2023-12-03 01:07:09,545 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:07:09,546 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:07:09,546 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:07:09,556 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:07:09,556 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:07:09" (1/1) ... [2023-12-03 01:07:09,565 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:07:09,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:09,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 61 transitions. [2023-12-03 01:07:09,607 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2023-12-03 01:07:09,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 01:07:09,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:07:09,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:07:09,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:09,745 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 01:07:09,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:09,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 38 states and 54 transitions. [2023-12-03 01:07:09,771 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2023-12-03 01:07:09,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 01:07:09,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:07:09,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:07:09,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:09,838 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 01:07:09,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:09,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 38 states and 50 transitions. [2023-12-03 01:07:09,846 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 50 transitions. [2023-12-03 01:07:09,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 01:07:09,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:07:09,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:07:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:09,947 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 01:07:09,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:09,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 39 states and 51 transitions. [2023-12-03 01:07:09,967 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 51 transitions. [2023-12-03 01:07:09,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 01:07:09,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:07:09,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:07:10,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:07:10,036 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:07:10,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:07:10,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:07:10,187 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:07:10,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:07:10,249 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2023-12-03 01:07:10,278 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short22 could not be translated [2023-12-03 01:07:10,279 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret20 could not be translated [2023-12-03 01:07:10,279 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short23 could not be translated [2023-12-03 01:07:10,279 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem19 could not be translated [2023-12-03 01:07:10,280 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem19 could not be translated [2023-12-03 01:07:10,280 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short22 could not be translated [2023-12-03 01:07:10,280 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret20 could not be translated [2023-12-03 01:07:10,280 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short23 could not be translated [2023-12-03 01:07:10,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:07:10 ImpRootNode [2023-12-03 01:07:10,286 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:07:10,287 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:07:10,287 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:07:10,287 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:07:10,287 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:07:09" (3/4) ... [2023-12-03 01:07:10,290 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 01:07:10,291 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:07:10,292 INFO L158 Benchmark]: Toolchain (without parser) took 1645.57ms. Allocated memory is still 134.2MB. Free memory was 94.2MB in the beginning and 45.1MB in the end (delta: 49.1MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. [2023-12-03 01:07:10,292 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 96.5MB. Free memory was 71.2MB in the beginning and 71.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:07:10,293 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.31ms. Allocated memory is still 134.2MB. Free memory was 94.2MB in the beginning and 82.3MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 01:07:10,293 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.73ms. Allocated memory is still 134.2MB. Free memory was 82.3MB in the beginning and 80.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:07:10,294 INFO L158 Benchmark]: Boogie Preprocessor took 36.07ms. Allocated memory is still 134.2MB. Free memory was 80.2MB in the beginning and 78.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:07:10,295 INFO L158 Benchmark]: RCFGBuilder took 566.76ms. Allocated memory is still 134.2MB. Free memory was 78.1MB in the beginning and 90.7MB in the end (delta: -12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 01:07:10,295 INFO L158 Benchmark]: CodeCheck took 740.30ms. Allocated memory is still 134.2MB. Free memory was 89.9MB in the beginning and 45.1MB in the end (delta: 44.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-12-03 01:07:10,296 INFO L158 Benchmark]: Witness Printer took 4.07ms. Allocated memory is still 134.2MB. Free memory is still 45.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:07:10,299 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, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 166 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 71 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 71 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 280 GetRequests, 278 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 41 ConstructedInterpolants, 0 QuantifiedInterpolants, 42 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 112]: 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 111, overapproximation of someBinaryArithmeticFLOAToperation at line 106. Possible FailurePath: [L14] static const float one_modf = 1.0; [L106] float x = 1.0f / 0.0f; [L107] float iptr = __VERIFIER_nondet_float(); [L107] float iptr = __VERIFIER_nondet_float(); [L108] CALL, EXPR modf_float(x, &iptr) [L17] __int32_t i0, j0; [L18] __uint32_t i; VAL [\old(x)=2, iptr={13481:0}, iptr={13481:0}, one_modf=1, x=2] [L20] ieee_float_shape_type gf_u; [L21] EXPR gf_u.value = (x) [L22] EXPR gf_u.word [L22] EXPR (i0) = gf_u.word [L19-L23] { ieee_float_shape_type gf_u; gf_u.value = (x); (i0) = gf_u.word; } VAL [\old(x)=2, i0=1056964608, iptr={13481:0}, iptr={13481:0}, one_modf=1, x=2] [L24] j0 = ((i0 >> 23) & 0xff) - 0x7f VAL [\old(x)=2, i0=1056964608, iptr={13481:0}, iptr={13481:0}, j0=-1, one_modf=1, x=2] [L25] COND TRUE j0 < 23 VAL [\old(x)=2, i0=1056964608, iptr={13481:0}, iptr={13481:0}, j0=-1, one_modf=1, x=2] [L26] COND TRUE j0 < 0 VAL [\old(x)=2, i0=1056964608, iptr={13481:0}, iptr={13481:0}, j0=-1, one_modf=1, x=2] [L28] ieee_float_shape_type sf_u; [L29] EXPR sf_u.word = (i0 & 0x80000000) [L30] EXPR sf_u.value [L30] EXPR (*iptr) = sf_u.value [L27-L31] { ieee_float_shape_type sf_u; sf_u.word = (i0 & 0x80000000); (*iptr) = sf_u.value; } VAL [\old(x)=2, i0=1056964608, iptr={13481:0}, iptr={13481:0}, j0=-1, one_modf=1, x=2] [L32] return x; VAL [\old(x)=2, \result=2, i0=1056964608, iptr={13481:0}, iptr={13481:0}, j0=-1, one_modf=1, x=2] [L108] RET, EXPR modf_float(x, &iptr) [L108] float res = modf_float(x, &iptr); [L111] EXPR \read(iptr) [L111] CALL, EXPR isinf_float(iptr) [L89] __int32_t ix; VAL [\old(x)=4, one_modf=1, x=4] [L91] ieee_float_shape_type gf_u; [L92] EXPR gf_u.value = (x) [L93] EXPR gf_u.word [L93] EXPR (ix) = gf_u.word [L90-L94] { ieee_float_shape_type gf_u; gf_u.value = (x); (ix) = gf_u.word; } VAL [\old(x)=4, ix=2139095040, one_modf=1, x=4] [L95] ix &= 0x7fffffff [L96] return ((ix) == 0x7f800000L); [L111] RET, EXPR isinf_float(iptr) [L111] isinf_float(iptr) && !(res == 0.0f && __signbit_float(res) == 0) [L111] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [iptr={13481:0}, one_modf=1, res=2, x=2] [L111] isinf_float(iptr) && !(res == 0.0f && __signbit_float(res) == 0) VAL [iptr={13481:0}, one_modf=1, res=2, x=2] [L111] COND TRUE isinf_float(iptr) && !(res == 0.0f && __signbit_float(res) == 0) [L112] reach_error() VAL [iptr={13481:0}, one_modf=1, res=2, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 96.5MB. Free memory was 71.2MB in the beginning and 71.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.31ms. Allocated memory is still 134.2MB. Free memory was 94.2MB in the beginning and 82.3MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.73ms. Allocated memory is still 134.2MB. Free memory was 82.3MB in the beginning and 80.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.07ms. Allocated memory is still 134.2MB. Free memory was 80.2MB in the beginning and 78.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 566.76ms. Allocated memory is still 134.2MB. Free memory was 78.1MB in the beginning and 90.7MB in the end (delta: -12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 740.30ms. Allocated memory is still 134.2MB. Free memory was 89.9MB in the beginning and 45.1MB in the end (delta: 44.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 4.07ms. Allocated memory is still 134.2MB. Free memory is still 45.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short23 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short23 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 01:07:10,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/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_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/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_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1211a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/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_bcb49a71-40b2-4f73-a93d-b4482c989aca/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 11de8b1d34bf28c678335a47cf13777a2fdebca168e06294b055c2a549d4333e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:07:12,239 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:07:12,310 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 01:07:12,343 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:07:12,344 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:07:12,345 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:07:12,345 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:07:12,346 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:07:12,346 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:07:12,347 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:07:12,347 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:07:12,348 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:07:12,348 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:07:12,349 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:07:12,349 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:07:12,350 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:07:12,350 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:07:12,351 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:07:12,351 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:07:12,352 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:07:12,352 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:07:12,353 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:07:12,354 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:07:12,354 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:07:12,354 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:07:12,355 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:07:12,355 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:07:12,356 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:07:12,356 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:07:12,357 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:07:12,357 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:07:12,358 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:07:12,358 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:07:12,358 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:07:12,359 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:07:12,359 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:07:12,359 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:07:12,360 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_bcb49a71-40b2-4f73-a93d-b4482c989aca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11de8b1d34bf28c678335a47cf13777a2fdebca168e06294b055c2a549d4333e [2023-12-03 01:07:12,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:07:12,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:07:12,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:07:12,697 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:07:12,697 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:07:12,699 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/float_req_bl_1211a.c [2023-12-03 01:07:15,529 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:07:15,727 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:07:15,728 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/sv-benchmarks/c/float-newlib/float_req_bl_1211a.c [2023-12-03 01:07:15,736 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/data/8735dc211/58f9938e52ff45228c8fb2e822e373e2/FLAG3fab9641b [2023-12-03 01:07:15,750 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/data/8735dc211/58f9938e52ff45228c8fb2e822e373e2 [2023-12-03 01:07:15,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:07:15,754 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:07:15,756 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:07:15,756 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:07:15,760 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:07:15,761 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:07:15" (1/1) ... [2023-12-03 01:07:15,762 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b3fe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:15, skipping insertion in model container [2023-12-03 01:07:15,762 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:07:15" (1/1) ... [2023-12-03 01:07:15,790 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:07:15,969 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_bcb49a71-40b2-4f73-a93d-b4482c989aca/sv-benchmarks/c/float-newlib/float_req_bl_1211a.c[2576,2589] [2023-12-03 01:07:15,973 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:07:15,989 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:07:16,018 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_bcb49a71-40b2-4f73-a93d-b4482c989aca/sv-benchmarks/c/float-newlib/float_req_bl_1211a.c[2576,2589] [2023-12-03 01:07:16,019 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:07:16,036 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:07:16,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:16 WrapperNode [2023-12-03 01:07:16,037 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:07:16,038 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:07:16,038 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:07:16,038 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:07:16,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:16" (1/1) ... [2023-12-03 01:07:16,058 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:16" (1/1) ... [2023-12-03 01:07:16,085 INFO L138 Inliner]: procedures = 22, calls = 57, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 193 [2023-12-03 01:07:16,085 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:07:16,086 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:07:16,086 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:07:16,087 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:07:16,095 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:16" (1/1) ... [2023-12-03 01:07:16,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:16" (1/1) ... [2023-12-03 01:07:16,101 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:16" (1/1) ... [2023-12-03 01:07:16,101 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:16" (1/1) ... [2023-12-03 01:07:16,112 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:16" (1/1) ... [2023-12-03 01:07:16,117 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:16" (1/1) ... [2023-12-03 01:07:16,120 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:16" (1/1) ... [2023-12-03 01:07:16,122 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:16" (1/1) ... [2023-12-03 01:07:16,126 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:07:16,127 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:07:16,127 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:07:16,127 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:07:16,128 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:16" (1/1) ... [2023-12-03 01:07:16,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:07:16,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:07:16,164 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:07:16,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:07:16,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:07:16,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-12-03 01:07:16,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:07:16,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:07:16,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-03 01:07:16,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 01:07:16,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:07:16,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:07:16,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-03 01:07:16,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 01:07:16,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:07:16,336 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:07:16,338 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:07:16,694 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:07:16,723 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:07:16,723 INFO L309 CfgBuilder]: Removed 18 assume(true) statements. [2023-12-03 01:07:16,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:07:16 BoogieIcfgContainer [2023-12-03 01:07:16,725 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:07:16,726 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:07:16,726 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:07:16,736 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:07:16,736 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:07:16" (1/1) ... [2023-12-03 01:07:16,745 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:07:16,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:16,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 61 transitions. [2023-12-03 01:07:16,800 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2023-12-03 01:07:16,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 01:07:16,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:07:16,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:07:16,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:07:16,806 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:07:16,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:07:16,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:16,972 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:07:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:17,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:07:17,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:07:17,033 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 01:07:17,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:07:17,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:17,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 38 states and 52 transitions. [2023-12-03 01:07:17,086 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2023-12-03 01:07:17,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 01:07:17,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:07:17,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:07:17,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:07:17,088 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:07:17,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 01:07:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:17,209 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:07:17,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:17,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:07:17,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:07:17,256 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 01:07:17,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 01:07:17,258 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:07:17,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:17,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 38 states and 50 transitions. [2023-12-03 01:07:17,269 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 50 transitions. [2023-12-03 01:07:17,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 01:07:17,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:07:17,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:07:17,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:07:17,271 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:07:17,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 01:07:17,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:17,468 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:07:17,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:17,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:07:17,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:07:17,511 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 01:07:17,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 01:07:17,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:17,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 38 states and 48 transitions. [2023-12-03 01:07:17,521 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 48 transitions. [2023-12-03 01:07:17,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 01:07:17,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:07:17,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:07:17,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:07:17,524 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:07:17,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 01:07:17,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:17,688 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:07:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:17,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:07:17,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:07:17,749 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 01:07:17,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 01:07:17,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:17,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 49 transitions. [2023-12-03 01:07:17,773 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2023-12-03 01:07:17,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 01:07:17,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:07:17,774 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:07:17,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:07:17,775 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:07:17,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 01:07:18,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:18,027 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:07:18,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:18,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 01:07:18,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:07:18,183 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 01:07:18,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2023-12-03 01:07:18,333 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 01:07:18,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 01:07:19,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:19,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 26 states and 29 transitions. [2023-12-03 01:07:19,401 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2023-12-03 01:07:19,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 01:07:19,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:07:19,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:07:19,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:07:19,403 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:07:19,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 01:07:19,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:19,695 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:07:19,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:19,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:07:19,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:07:20,069 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 01:07:20,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 01:07:20,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:20,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 26 states and 28 transitions. [2023-12-03 01:07:20,699 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2023-12-03 01:07:20,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 01:07:20,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:07:20,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:07:20,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:07:20,701 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:07:20,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 01:07:20,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:20,859 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:07:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:20,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:07:20,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:07:20,913 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 01:07:20,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 01:07:20,916 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:07:20,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:20,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2023-12-03 01:07:20,923 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2023-12-03 01:07:20,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 01:07:20,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:07:20,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:07:20,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:07:20,925 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:07:20,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 01:07:21,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:21,296 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:07:21,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:21,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 01:07:21,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:07:21,425 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 01:07:21,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 30 [2023-12-03 01:07:22,578 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 01:07:22,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 25 [2023-12-03 01:07:22,847 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 01:07:22,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-12-03 01:07:22,852 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:07:30,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:30,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2023-12-03 01:07:30,335 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2023-12-03 01:07:30,335 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 01:07:30,335 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2023-12-03 01:07:30,342 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 01:07:30,519 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2023-12-03 01:07:30,524 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32())) could not be translated [2023-12-03 01:07:30,525 INFO L560 CodeCheckObserver]: Invariant with dag size 21 [2023-12-03 01:07:30,525 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode, v_arrayElimCell_2 : bv32 :: ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32()) == ~fp~32(v_arrayElimCell_2[31:31], v_arrayElimCell_2[30:23], v_arrayElimCell_2[22:0]) && ~fp~32(~bvand~32(v_arrayElimCell_2, 2147483648bv32)[31:31], ~bvand~32(v_arrayElimCell_2, 2147483648bv32)[30:23], ~bvand~32(v_arrayElimCell_2, 2147483648bv32)[22:0]) == #res) could not be translated [2023-12-03 01:07:30,525 INFO L560 CodeCheckObserver]: Invariant with dag size 25 [2023-12-03 01:07:30,526 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode, v_arrayElimCell_2 : bv32 :: ~fp~32(~bvand~32(v_arrayElimCell_2, 2147483648bv32)[31:31], ~bvand~32(v_arrayElimCell_2, 2147483648bv32)[30:23], ~bvand~32(v_arrayElimCell_2, 2147483648bv32)[22:0]) == ~fp~32(~w~0[31:31], ~w~0[30:23], ~w~0[22:0]) && ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32()) == ~fp~32(v_arrayElimCell_2[31:31], v_arrayElimCell_2[30:23], v_arrayElimCell_2[22:0])) could not be translated [2023-12-03 01:07:30,526 INFO L560 CodeCheckObserver]: Invariant with dag size 19 [2023-12-03 01:07:30,527 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_modf_float_~#gf_u~2#1.base_15 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~32(#memory_int[v_ULTIMATE.start_modf_float_~#gf_u~2#1.base_15][0bv32][31:31], #memory_int[v_ULTIMATE.start_modf_float_~#gf_u~2#1.base_15][0bv32][30:23], #memory_int[v_ULTIMATE.start_modf_float_~#gf_u~2#1.base_15][0bv32][22:0]) == ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32()) && #memory_int[v_ULTIMATE.start_modf_float_~#gf_u~2#1.base_15][0bv32] == ~ix~1) could not be translated [2023-12-03 01:07:30,527 INFO L560 CodeCheckObserver]: Invariant with dag size 21 [2023-12-03 01:07:30,527 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode, v_arrayElimCell_2 : bv32 :: ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32()) == ~fp~32(v_arrayElimCell_2[31:31], v_arrayElimCell_2[30:23], v_arrayElimCell_2[22:0]) && ~fp~32(~bvand~32(v_arrayElimCell_2, 2147483648bv32)[31:31], ~bvand~32(v_arrayElimCell_2, 2147483648bv32)[30:23], ~bvand~32(v_arrayElimCell_2, 2147483648bv32)[22:0]) == ~x) could not be translated [2023-12-03 01:07:30,528 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 01:07:30,529 INFO L560 CodeCheckObserver]: Invariant with dag size 21 [2023-12-03 01:07:30,529 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode, v_arrayElimCell_2 : bv32 :: ~fp~32(~bvand~32(v_arrayElimCell_2, 2147483648bv32)[31:31], ~bvand~32(v_arrayElimCell_2, 2147483648bv32)[30:23], ~bvand~32(v_arrayElimCell_2, 2147483648bv32)[22:0]) == ~res~0 && ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32()) == ~fp~32(v_arrayElimCell_2[31:31], v_arrayElimCell_2[30:23], v_arrayElimCell_2[22:0])) could not be translated [2023-12-03 01:07:30,529 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2023-12-03 01:07:30,530 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32())) could not be translated [2023-12-03 01:07:30,530 INFO L560 CodeCheckObserver]: Invariant with dag size 21 [2023-12-03 01:07:30,530 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode, v_arrayElimCell_2 : bv32 :: ~fp~32(~bvand~32(v_arrayElimCell_2, 2147483648bv32)[31:31], ~bvand~32(v_arrayElimCell_2, 2147483648bv32)[30:23], ~bvand~32(v_arrayElimCell_2, 2147483648bv32)[22:0]) == ~res~0 && ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32()) == ~fp~32(v_arrayElimCell_2[31:31], v_arrayElimCell_2[30:23], v_arrayElimCell_2[22:0])) could not be translated [2023-12-03 01:07:30,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:07:30 ImpRootNode [2023-12-03 01:07:30,530 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:07:30,531 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:07:30,531 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:07:30,531 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:07:30,531 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:07:16" (3/4) ... [2023-12-03 01:07:30,533 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 01:07:30,540 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-12-03 01:07:30,540 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-12-03 01:07:30,540 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 01:07:30,541 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 01:07:30,633 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 01:07:30,633 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 01:07:30,634 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:07:30,634 INFO L158 Benchmark]: Toolchain (without parser) took 14880.12ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 70.5MB in the beginning and 33.1MB in the end (delta: 37.3MB). Peak memory consumption was 56.9MB. Max. memory is 16.1GB. [2023-12-03 01:07:30,635 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 69.2MB. Free memory is still 46.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:07:30,635 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.80ms. Allocated memory is still 94.4MB. Free memory was 70.3MB in the beginning and 57.9MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 01:07:30,636 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.53ms. Allocated memory is still 94.4MB. Free memory was 57.6MB in the beginning and 55.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:07:30,636 INFO L158 Benchmark]: Boogie Preprocessor took 40.01ms. Allocated memory is still 94.4MB. Free memory was 55.6MB in the beginning and 53.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:07:30,636 INFO L158 Benchmark]: RCFGBuilder took 597.91ms. Allocated memory is still 94.4MB. Free memory was 53.5MB in the beginning and 54.2MB in the end (delta: -679.0kB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2023-12-03 01:07:30,637 INFO L158 Benchmark]: CodeCheck took 13804.59ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 54.2MB in the beginning and 39.4MB in the end (delta: 14.8MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2023-12-03 01:07:30,637 INFO L158 Benchmark]: Witness Printer took 103.05ms. Allocated memory is still 113.2MB. Free memory was 39.4MB in the beginning and 33.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 01:07:30,639 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, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.6s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 635 SdHoareTripleChecker+Valid, 6.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 58 mSDsluCounter, 316 SdHoareTripleChecker+Invalid, 6.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 46 mSDsCounter, 80 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 256 IncrementalHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 80 mSolverCounterUnsat, 270 mSDtfsCounter, 256 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1024 GetRequests, 978 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 371 ImplicationChecksByTransitivity, 7.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 140 NumberOfCodeBlocks, 140 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 132 ConstructedInterpolants, 30 QuantifiedInterpolants, 777 SizeOfPredicates, 32 NumberOfNonLiveVariables, 685 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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: 112]: 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 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 69.2MB. Free memory is still 46.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.80ms. Allocated memory is still 94.4MB. Free memory was 70.3MB in the beginning and 57.9MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.53ms. Allocated memory is still 94.4MB. Free memory was 57.6MB in the beginning and 55.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.01ms. Allocated memory is still 94.4MB. Free memory was 55.6MB in the beginning and 53.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 597.91ms. Allocated memory is still 94.4MB. Free memory was 53.5MB in the beginning and 54.2MB in the end (delta: -679.0kB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. * CodeCheck took 13804.59ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 54.2MB in the beginning and 39.4MB in the end (delta: 14.8MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. * Witness Printer took 103.05ms. Allocated memory is still 113.2MB. Free memory was 39.4MB in the beginning and 33.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode, v_arrayElimCell_2 : bv32 :: ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32()) == ~fp~32(v_arrayElimCell_2[31:31], v_arrayElimCell_2[30:23], v_arrayElimCell_2[22:0]) && ~fp~32(~bvand~32(v_arrayElimCell_2, 2147483648bv32)[31:31], ~bvand~32(v_arrayElimCell_2, 2147483648bv32)[30:23], ~bvand~32(v_arrayElimCell_2, 2147483648bv32)[22:0]) == #res) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode, v_arrayElimCell_2 : bv32 :: ~fp~32(~bvand~32(v_arrayElimCell_2, 2147483648bv32)[31:31], ~bvand~32(v_arrayElimCell_2, 2147483648bv32)[30:23], ~bvand~32(v_arrayElimCell_2, 2147483648bv32)[22:0]) == ~fp~32(~w~0[31:31], ~w~0[30:23], ~w~0[22:0]) && ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32()) == ~fp~32(v_arrayElimCell_2[31:31], v_arrayElimCell_2[30:23], v_arrayElimCell_2[22:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_modf_float_~#gf_u~2#1.base_15 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~32(#memory_int[v_ULTIMATE.start_modf_float_~#gf_u~2#1.base_15][0bv32][31:31], #memory_int[v_ULTIMATE.start_modf_float_~#gf_u~2#1.base_15][0bv32][30:23], #memory_int[v_ULTIMATE.start_modf_float_~#gf_u~2#1.base_15][0bv32][22:0]) == ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32()) && #memory_int[v_ULTIMATE.start_modf_float_~#gf_u~2#1.base_15][0bv32] == ~ix~1) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode, v_arrayElimCell_2 : bv32 :: ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32()) == ~fp~32(v_arrayElimCell_2[31:31], v_arrayElimCell_2[30:23], v_arrayElimCell_2[22:0]) && ~fp~32(~bvand~32(v_arrayElimCell_2, 2147483648bv32)[31:31], ~bvand~32(v_arrayElimCell_2, 2147483648bv32)[30:23], ~bvand~32(v_arrayElimCell_2, 2147483648bv32)[22:0]) == ~x) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode, v_arrayElimCell_2 : bv32 :: ~fp~32(~bvand~32(v_arrayElimCell_2, 2147483648bv32)[31:31], ~bvand~32(v_arrayElimCell_2, 2147483648bv32)[30:23], ~bvand~32(v_arrayElimCell_2, 2147483648bv32)[22:0]) == ~res~0 && ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32()) == ~fp~32(v_arrayElimCell_2[31:31], v_arrayElimCell_2[30:23], v_arrayElimCell_2[22:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode, v_arrayElimCell_2 : bv32 :: ~fp~32(~bvand~32(v_arrayElimCell_2, 2147483648bv32)[31:31], ~bvand~32(v_arrayElimCell_2, 2147483648bv32)[30:23], ~bvand~32(v_arrayElimCell_2, 2147483648bv32)[22:0]) == ~res~0 && ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32()) == ~fp~32(v_arrayElimCell_2[31:31], v_arrayElimCell_2[30:23], v_arrayElimCell_2[22:0])) could not be translated RESULT: Ultimate proved your program to be correct! [2023-12-03 01:07:30,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb49a71-40b2-4f73-a93d-b4482c989aca/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