./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0260.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_ba3958b2-a145-49af-8676-6a512c5b982e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3958b2-a145-49af-8676-6a512c5b982e/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_ba3958b2-a145-49af-8676-6a512c5b982e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3958b2-a145-49af-8676-6a512c5b982e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0260.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3958b2-a145-49af-8676-6a512c5b982e/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_ba3958b2-a145-49af-8676-6a512c5b982e/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 647bc161061e103f8088ea3464d6a4d44d7e73a0b4bfb490fbf2839b361c9174 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:33:37,679 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:33:37,742 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3958b2-a145-49af-8676-6a512c5b982e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 23:33:37,746 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:33:37,747 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:33:37,767 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:33:37,768 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:33:37,768 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:33:37,769 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:33:37,770 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:33:37,770 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:33:37,771 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:33:37,771 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:33:37,772 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:33:37,772 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:33:37,772 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:33:37,773 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:33:37,773 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:33:37,774 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:33:37,774 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:33:37,775 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:33:37,779 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:33:37,779 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:33:37,780 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:33:37,780 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:33:37,780 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:33:37,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:33:37,781 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:33:37,781 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:33:37,782 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:33:37,782 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:33:37,783 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:33:37,783 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:33:37,783 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_ba3958b2-a145-49af-8676-6a512c5b982e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3958b2-a145-49af-8676-6a512c5b982e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 647bc161061e103f8088ea3464d6a4d44d7e73a0b4bfb490fbf2839b361c9174 [2023-12-02 23:33:37,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:33:38,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:33:38,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:33:38,014 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:33:38,015 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:33:38,016 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3958b2-a145-49af-8676-6a512c5b982e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/float_req_bl_0260.c [2023-12-02 23:33:40,730 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:33:40,906 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:33:40,907 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3958b2-a145-49af-8676-6a512c5b982e/sv-benchmarks/c/float-newlib/float_req_bl_0260.c [2023-12-02 23:33:40,917 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3958b2-a145-49af-8676-6a512c5b982e/bin/ukojak-verify-Qdu7aM0XO9/data/2121c77ea/61ac5abb33f946c8ae11d78bc791953b/FLAG47843aa45 [2023-12-02 23:33:40,931 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3958b2-a145-49af-8676-6a512c5b982e/bin/ukojak-verify-Qdu7aM0XO9/data/2121c77ea/61ac5abb33f946c8ae11d78bc791953b [2023-12-02 23:33:40,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:33:40,935 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:33:40,937 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:33:40,937 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:33:40,942 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:33:40,942 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:33:40" (1/1) ... [2023-12-02 23:33:40,943 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b9abacf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:40, skipping insertion in model container [2023-12-02 23:33:40,944 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:33:40" (1/1) ... [2023-12-02 23:33:40,973 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:33:41,168 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_ba3958b2-a145-49af-8676-6a512c5b982e/sv-benchmarks/c/float-newlib/float_req_bl_0260.c[4552,4565] [2023-12-02 23:33:41,173 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:33:41,183 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:33:41,225 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_ba3958b2-a145-49af-8676-6a512c5b982e/sv-benchmarks/c/float-newlib/float_req_bl_0260.c[4552,4565] [2023-12-02 23:33:41,226 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:33:41,243 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:33:41,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:41 WrapperNode [2023-12-02 23:33:41,244 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:33:41,245 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:33:41,245 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:33:41,245 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:33:41,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:41" (1/1) ... [2023-12-02 23:33:41,263 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:41" (1/1) ... [2023-12-02 23:33:41,293 INFO L138 Inliner]: procedures = 19, calls = 39, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 268 [2023-12-02 23:33:41,294 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:33:41,295 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:33:41,295 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:33:41,295 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:33:41,304 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:41" (1/1) ... [2023-12-02 23:33:41,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:41" (1/1) ... [2023-12-02 23:33:41,308 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:41" (1/1) ... [2023-12-02 23:33:41,309 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:41" (1/1) ... [2023-12-02 23:33:41,320 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:41" (1/1) ... [2023-12-02 23:33:41,325 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:41" (1/1) ... [2023-12-02 23:33:41,328 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:41" (1/1) ... [2023-12-02 23:33:41,330 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:41" (1/1) ... [2023-12-02 23:33:41,334 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:33:41,335 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:33:41,336 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:33:41,336 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:33:41,337 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:41" (1/1) ... [2023-12-02 23:33:41,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:33:41,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3958b2-a145-49af-8676-6a512c5b982e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:33:41,368 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3958b2-a145-49af-8676-6a512c5b982e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:33:41,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3958b2-a145-49af-8676-6a512c5b982e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:33:41,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:33:41,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:33:41,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:33:41,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-02 23:33:41,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 23:33:41,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-02 23:33:41,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:33:41,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:33:41,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 23:33:41,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:33:41,500 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:33:41,501 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:33:41,770 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:33:41,867 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:33:41,868 INFO L309 CfgBuilder]: Removed 16 assume(true) statements. [2023-12-02 23:33:41,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:33:41 BoogieIcfgContainer [2023-12-02 23:33:41,870 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:33:41,871 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:33:41,871 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:33:41,881 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:33:41,881 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:33:41" (1/1) ... [2023-12-02 23:33:41,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:33:41,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:41,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 44 states and 71 transitions. [2023-12-02 23:33:41,968 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 71 transitions. [2023-12-02 23:33:41,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:33:41,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:41,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:42,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:42,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:33:42,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:42,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 44 states and 68 transitions. [2023-12-02 23:33:42,125 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 68 transitions. [2023-12-02 23:33:42,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:33:42,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:42,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:42,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:33:42,163 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:33:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:33:42,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:33:42,247 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:33:42,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:33:42,287 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-02 23:33:42,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:33:42 ImpRootNode [2023-12-02 23:33:42,316 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:33:42,316 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:33:42,317 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:33:42,317 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:33:42,317 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:33:41" (3/4) ... [2023-12-02 23:33:42,319 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:33:42,320 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:33:42,321 INFO L158 Benchmark]: Toolchain (without parser) took 1385.85ms. Allocated memory is still 146.8MB. Free memory was 107.7MB in the beginning and 97.1MB in the end (delta: 10.5MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2023-12-02 23:33:42,322 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 58.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:33:42,322 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.53ms. Allocated memory is still 146.8MB. Free memory was 107.7MB in the beginning and 94.1MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 23:33:42,323 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.03ms. Allocated memory is still 146.8MB. Free memory was 94.1MB in the beginning and 91.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:33:42,324 INFO L158 Benchmark]: Boogie Preprocessor took 40.04ms. Allocated memory is still 146.8MB. Free memory was 91.5MB in the beginning and 89.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:33:42,324 INFO L158 Benchmark]: RCFGBuilder took 534.36ms. Allocated memory is still 146.8MB. Free memory was 89.4MB in the beginning and 60.7MB in the end (delta: 28.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-12-02 23:33:42,325 INFO L158 Benchmark]: CodeCheck took 445.30ms. Allocated memory is still 146.8MB. Free memory was 60.7MB in the beginning and 97.1MB in the end (delta: -36.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:33:42,325 INFO L158 Benchmark]: Witness Printer took 4.08ms. Allocated memory is still 146.8MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:33:42,328 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, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 190]: 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 15, overapproximation of someUnaryDOUBLEoperation at line 104, overapproximation of someUnaryFLOAToperation at line 102, overapproximation of someBinaryArithmeticFLOAToperation at line 121. Possible FailurePath: [L17] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L100-L108] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; [L185] float x = 0.0f / 0.0f; [L186] CALL, EXPR __ieee754_asinf(x) [L111] float t, w, p, q, c, r, s; [L112] __int32_t hx, ix; VAL [\old(x)=2, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=2] [L114] ieee_float_shape_type gf_u; [L115] EXPR gf_u.value = (x) [L116] EXPR gf_u.word [L116] EXPR (hx) = gf_u.word [L113-L117] { ieee_float_shape_type gf_u; gf_u.value = (x); (hx) = gf_u.word; } VAL [\old(x)=2, huge_asin=1000000000000000000000000000000, hx=1065353216, one_asin=1, one_sqrt=1, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=2] [L118] ix = hx & 0x7fffffff VAL [\old(x)=2, huge_asin=1000000000000000000000000000000, hx=1065353216, ix=1065353216, one_asin=1, one_sqrt=1, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=2] [L119] COND TRUE ix == 0x3f800000 [L121] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [\old(x)=2, huge_asin=1000000000000000000000000000000, hx=1065353216, ix=1065353216, one_asin=1, one_sqrt=1, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=2] [L186] RET, EXPR __ieee754_asinf(x) [L186] float res = __ieee754_asinf(x); [L189] CALL, EXPR isnan_float(res) [L15] return x != x; [L189] RET, EXPR isnan_float(res) [L189] COND TRUE !isnan_float(res) [L190] reach_error() VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=5, tiny_sqrt=1/1000000000000000000000000000000, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 58.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.53ms. Allocated memory is still 146.8MB. Free memory was 107.7MB in the beginning and 94.1MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.03ms. Allocated memory is still 146.8MB. Free memory was 94.1MB in the beginning and 91.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.04ms. Allocated memory is still 146.8MB. Free memory was 91.5MB in the beginning and 89.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 534.36ms. Allocated memory is still 146.8MB. Free memory was 89.4MB in the beginning and 60.7MB in the end (delta: 28.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * CodeCheck took 445.30ms. Allocated memory is still 146.8MB. Free memory was 60.7MB in the beginning and 97.1MB in the end (delta: -36.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.08ms. Allocated memory is still 146.8MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 23:33:42,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3958b2-a145-49af-8676-6a512c5b982e/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_ba3958b2-a145-49af-8676-6a512c5b982e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3958b2-a145-49af-8676-6a512c5b982e/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_ba3958b2-a145-49af-8676-6a512c5b982e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3958b2-a145-49af-8676-6a512c5b982e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0260.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3958b2-a145-49af-8676-6a512c5b982e/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_ba3958b2-a145-49af-8676-6a512c5b982e/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 647bc161061e103f8088ea3464d6a4d44d7e73a0b4bfb490fbf2839b361c9174 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:33:44,248 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:33:44,322 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3958b2-a145-49af-8676-6a512c5b982e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 23:33:44,354 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:33:44,355 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:33:44,355 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:33:44,356 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:33:44,357 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:33:44,357 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:33:44,358 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:33:44,358 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:33:44,359 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:33:44,360 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:33:44,360 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:33:44,361 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:33:44,361 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:33:44,362 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:33:44,362 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:33:44,363 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:33:44,363 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:33:44,364 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:33:44,368 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:33:44,368 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:33:44,369 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:33:44,369 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:33:44,370 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:33:44,370 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:33:44,370 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:33:44,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:33:44,371 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:33:44,372 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:33:44,372 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:33:44,372 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:33:44,373 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:33:44,373 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:33:44,373 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:33:44,373 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:33:44,374 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_ba3958b2-a145-49af-8676-6a512c5b982e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3958b2-a145-49af-8676-6a512c5b982e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 647bc161061e103f8088ea3464d6a4d44d7e73a0b4bfb490fbf2839b361c9174 [2023-12-02 23:33:44,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:33:44,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:33:44,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:33:44,701 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:33:44,701 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:33:44,703 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3958b2-a145-49af-8676-6a512c5b982e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/float_req_bl_0260.c [2023-12-02 23:33:47,453 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:33:47,628 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:33:47,628 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3958b2-a145-49af-8676-6a512c5b982e/sv-benchmarks/c/float-newlib/float_req_bl_0260.c [2023-12-02 23:33:47,640 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3958b2-a145-49af-8676-6a512c5b982e/bin/ukojak-verify-Qdu7aM0XO9/data/15ef8a19b/cae371a9373745fdb7ca086897753ecb/FLAG8982d7a5a [2023-12-02 23:33:47,655 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3958b2-a145-49af-8676-6a512c5b982e/bin/ukojak-verify-Qdu7aM0XO9/data/15ef8a19b/cae371a9373745fdb7ca086897753ecb [2023-12-02 23:33:47,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:33:47,659 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:33:47,660 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:33:47,660 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:33:47,665 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:33:47,666 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:33:47" (1/1) ... [2023-12-02 23:33:47,667 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4239f8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:47, skipping insertion in model container [2023-12-02 23:33:47,667 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:33:47" (1/1) ... [2023-12-02 23:33:47,709 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:33:47,895 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_ba3958b2-a145-49af-8676-6a512c5b982e/sv-benchmarks/c/float-newlib/float_req_bl_0260.c[4552,4565] [2023-12-02 23:33:47,899 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:33:47,915 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:33:47,959 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_ba3958b2-a145-49af-8676-6a512c5b982e/sv-benchmarks/c/float-newlib/float_req_bl_0260.c[4552,4565] [2023-12-02 23:33:47,960 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:33:47,979 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:33:47,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:47 WrapperNode [2023-12-02 23:33:47,980 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:33:47,981 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:33:47,981 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:33:47,981 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:33:47,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:47" (1/1) ... [2023-12-02 23:33:48,002 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:47" (1/1) ... [2023-12-02 23:33:48,032 INFO L138 Inliner]: procedures = 22, calls = 39, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 247 [2023-12-02 23:33:48,032 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:33:48,033 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:33:48,033 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:33:48,034 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:33:48,043 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:47" (1/1) ... [2023-12-02 23:33:48,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:47" (1/1) ... [2023-12-02 23:33:48,051 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:47" (1/1) ... [2023-12-02 23:33:48,051 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:47" (1/1) ... [2023-12-02 23:33:48,065 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:47" (1/1) ... [2023-12-02 23:33:48,071 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:47" (1/1) ... [2023-12-02 23:33:48,075 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:47" (1/1) ... [2023-12-02 23:33:48,077 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:47" (1/1) ... [2023-12-02 23:33:48,083 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:33:48,084 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:33:48,084 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:33:48,084 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:33:48,085 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:47" (1/1) ... [2023-12-02 23:33:48,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:33:48,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3958b2-a145-49af-8676-6a512c5b982e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:33:48,114 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3958b2-a145-49af-8676-6a512c5b982e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:33:48,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3958b2-a145-49af-8676-6a512c5b982e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:33:48,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:33:48,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:33:48,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:33:48,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-02 23:33:48,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 23:33:48,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:33:48,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:33:48,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-02 23:33:48,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 23:33:48,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:33:48,258 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:33:48,260 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:34:33,330 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:34:33,401 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:34:33,401 INFO L309 CfgBuilder]: Removed 16 assume(true) statements. [2023-12-02 23:34:33,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:34:33 BoogieIcfgContainer [2023-12-02 23:34:33,403 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:34:33,404 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:34:33,404 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:34:33,411 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:34:33,411 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:34:33" (1/1) ... [2023-12-02 23:34:33,418 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:34:33,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:34:33,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 68 transitions. [2023-12-02 23:34:33,462 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2023-12-02 23:34:33,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:34:33,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:34:33,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:34:33,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3958b2-a145-49af-8676-6a512c5b982e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:34:33,466 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3958b2-a145-49af-8676-6a512c5b982e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:34:33,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3958b2-a145-49af-8676-6a512c5b982e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:34:34,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:34:34,013 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:34:34,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:34:34,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:34:34,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:34:34,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:34:34,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3958b2-a145-49af-8676-6a512c5b982e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:34:34,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:34:34,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 65 transitions. [2023-12-02 23:34:34,146 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2023-12-02 23:34:34,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:34:34,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:34:34,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:34:34,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3958b2-a145-49af-8676-6a512c5b982e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:34:34,148 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3958b2-a145-49af-8676-6a512c5b982e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:34:34,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3958b2-a145-49af-8676-6a512c5b982e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 23:34:35,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:34:35,261 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:34:35,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:34:35,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 23:34:35,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:34:35,516 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 [2023-12-02 23:34:35,530 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 32 treesize of output 16 [2023-12-02 23:34:35,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:34:35,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3958b2-a145-49af-8676-6a512c5b982e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 23:34:38,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:34:38,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:34:38,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 42 states and 64 transitions. [2023-12-02 23:34:38,918 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 64 transitions. [2023-12-02 23:34:38,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 23:34:38,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:34:38,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:34:38,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3958b2-a145-49af-8676-6a512c5b982e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:34:38,919 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3958b2-a145-49af-8676-6a512c5b982e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:34:38,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3958b2-a145-49af-8676-6a512c5b982e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 23:34:40,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:34:40,245 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:34:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:34:40,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 23:34:40,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:34:41,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:34:41,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3958b2-a145-49af-8676-6a512c5b982e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 23:34:54,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:35:05,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.92s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:35:13,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.45s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:35:16,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.14s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:35:18,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:18,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 44 states and 68 transitions. [2023-12-02 23:35:18,334 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 68 transitions. [2023-12-02 23:35:18,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 23:35:18,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:18,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:18,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3958b2-a145-49af-8676-6a512c5b982e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:35:18,336 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3958b2-a145-49af-8676-6a512c5b982e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:35:18,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3958b2-a145-49af-8676-6a512c5b982e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 23:35:20,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:20,494 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:35:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:21,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 23:35:21,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:21,331 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 23:35:21,332 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2023-12-02 23:35:21,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:35:21,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3958b2-a145-49af-8676-6a512c5b982e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 23:35:23,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:23,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 10 states and 9 transitions. [2023-12-02 23:35:23,094 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2023-12-02 23:35:23,094 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 23:35:23,094 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2023-12-02 23:35:23,100 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-02 23:35:23,409 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 23:35:23,411 INFO L560 CodeCheckObserver]: Invariant with dag size 5 [2023-12-02 23:35:23,413 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2023-12-02 23:35:23,416 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~fp.sub~32(currentRoundingMode, ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32()), ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32())), ~fp.sub~32(currentRoundingMode, ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32()), ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32()))) == #res) could not be translated [2023-12-02 23:35:23,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:35:23 ImpRootNode [2023-12-02 23:35:23,416 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:35:23,417 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:35:23,417 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:35:23,417 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:35:23,417 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:34:33" (3/4) ... [2023-12-02 23:35:23,419 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 23:35:23,426 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-12-02 23:35:23,426 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-12-02 23:35:23,426 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 23:35:23,426 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 23:35:23,542 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3958b2-a145-49af-8676-6a512c5b982e/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 23:35:23,543 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3958b2-a145-49af-8676-6a512c5b982e/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 23:35:23,543 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:35:23,544 INFO L158 Benchmark]: Toolchain (without parser) took 95885.26ms. Allocated memory was 62.9MB in the beginning and 113.2MB in the end (delta: 50.3MB). Free memory was 27.1MB in the beginning and 85.8MB in the end (delta: -58.7MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2023-12-02 23:35:23,545 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:35:23,545 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.28ms. Allocated memory was 62.9MB in the beginning and 113.2MB in the end (delta: 50.3MB). Free memory was 27.0MB in the beginning and 80.7MB in the end (delta: -53.8MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2023-12-02 23:35:23,545 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.53ms. Allocated memory is still 113.2MB. Free memory was 80.7MB in the beginning and 78.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:35:23,546 INFO L158 Benchmark]: Boogie Preprocessor took 50.07ms. Allocated memory is still 113.2MB. Free memory was 78.0MB in the beginning and 75.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:35:23,546 INFO L158 Benchmark]: RCFGBuilder took 45318.84ms. Allocated memory is still 113.2MB. Free memory was 75.6MB in the beginning and 74.8MB in the end (delta: 768.3kB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2023-12-02 23:35:23,547 INFO L158 Benchmark]: CodeCheck took 50012.85ms. Allocated memory is still 113.2MB. Free memory was 74.8MB in the beginning and 75.7MB in the end (delta: -857.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:35:23,547 INFO L158 Benchmark]: Witness Printer took 126.43ms. Allocated memory is still 113.2MB. Free memory was 75.7MB in the beginning and 85.8MB in the end (delta: -10.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:35:23,549 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, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 49.7s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7 mSolverCounterUnknown, 118 SdHoareTripleChecker+Valid, 78.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 71 SdHoareTripleChecker+Invalid, 72.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 104 IncrementalHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 57 mSDtfsCounter, 104 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 280 GetRequests, 255 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 31 ConstructedInterpolants, 9 QuantifiedInterpolants, 198 SizeOfPredicates, 21 NumberOfNonLiveVariables, 212 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 190]: 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: 178]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.28ms. Allocated memory was 62.9MB in the beginning and 113.2MB in the end (delta: 50.3MB). Free memory was 27.0MB in the beginning and 80.7MB in the end (delta: -53.8MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.53ms. Allocated memory is still 113.2MB. Free memory was 80.7MB in the beginning and 78.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.07ms. Allocated memory is still 113.2MB. Free memory was 78.0MB in the beginning and 75.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 45318.84ms. Allocated memory is still 113.2MB. Free memory was 75.6MB in the beginning and 74.8MB in the end (delta: 768.3kB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * CodeCheck took 50012.85ms. Allocated memory is still 113.2MB. Free memory was 74.8MB in the beginning and 75.7MB in the end (delta: -857.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 126.43ms. Allocated memory is still 113.2MB. Free memory was 75.7MB in the beginning and 85.8MB in the end (delta: -10.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~fp.sub~32(currentRoundingMode, ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32()), ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32())), ~fp.sub~32(currentRoundingMode, ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32()), ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32()))) == #res) could not be translated RESULT: Ultimate proved your program to be correct! [2023-12-02 23:35:23,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3958b2-a145-49af-8676-6a512c5b982e/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