./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1210.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_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/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_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1210.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/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_5483990f-0aa8-4769-aec0-824ad3e47215/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 72a09b82a82aabea0c4a084a3d99a9a83ff3f66f3965fc10414482ebb802703c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:19:04,482 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:19:04,545 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 21:19:04,549 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:19:04,549 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:19:04,571 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:19:04,572 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:19:04,573 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:19:04,573 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:19:04,574 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:19:04,575 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:19:04,575 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:19:04,576 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:19:04,576 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:19:04,577 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:19:04,577 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:19:04,578 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:19:04,578 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:19:04,579 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:19:04,579 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:19:04,580 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:19:04,581 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:19:04,581 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:19:04,582 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:19:04,582 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:19:04,583 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:19:04,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:19:04,584 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:19:04,584 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:19:04,585 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:19:04,585 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:19:04,585 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:19:04,586 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:19:04,586 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_5483990f-0aa8-4769-aec0-824ad3e47215/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72a09b82a82aabea0c4a084a3d99a9a83ff3f66f3965fc10414482ebb802703c [2023-12-02 21:19:04,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:19:04,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:19:04,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:19:04,837 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:19:04,838 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:19:04,839 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/float_req_bl_1210.c [2023-12-02 21:19:07,605 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:19:07,790 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:19:07,791 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/sv-benchmarks/c/float-newlib/float_req_bl_1210.c [2023-12-02 21:19:07,797 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/data/96fd3c3fd/251c20e591ba495b923f506bdcbfdc6f/FLAG5cb93d544 [2023-12-02 21:19:07,810 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/data/96fd3c3fd/251c20e591ba495b923f506bdcbfdc6f [2023-12-02 21:19:07,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:19:07,813 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:19:07,814 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:19:07,814 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:19:07,818 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:19:07,819 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:19:07" (1/1) ... [2023-12-02 21:19:07,820 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@243a63fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:07, skipping insertion in model container [2023-12-02 21:19:07,820 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:19:07" (1/1) ... [2023-12-02 21:19:07,842 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:19:08,003 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_5483990f-0aa8-4769-aec0-824ad3e47215/sv-benchmarks/c/float-newlib/float_req_bl_1210.c[2159,2172] [2023-12-02 21:19:08,007 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:19:08,017 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:19:08,044 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_5483990f-0aa8-4769-aec0-824ad3e47215/sv-benchmarks/c/float-newlib/float_req_bl_1210.c[2159,2172] [2023-12-02 21:19:08,045 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:19:08,061 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:19:08,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:08 WrapperNode [2023-12-02 21:19:08,062 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:19:08,063 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:19:08,063 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:19:08,063 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:19:08,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:08" (1/1) ... [2023-12-02 21:19:08,081 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:08" (1/1) ... [2023-12-02 21:19:08,107 INFO L138 Inliner]: procedures = 16, calls = 48, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 172 [2023-12-02 21:19:08,107 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:19:08,108 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:19:08,108 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:19:08,108 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:19:08,118 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:08" (1/1) ... [2023-12-02 21:19:08,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:08" (1/1) ... [2023-12-02 21:19:08,121 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:08" (1/1) ... [2023-12-02 21:19:08,122 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:08" (1/1) ... [2023-12-02 21:19:08,130 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:08" (1/1) ... [2023-12-02 21:19:08,135 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:08" (1/1) ... [2023-12-02 21:19:08,137 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:08" (1/1) ... [2023-12-02 21:19:08,139 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:08" (1/1) ... [2023-12-02 21:19:08,142 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:19:08,143 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:19:08,143 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:19:08,143 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:19:08,144 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:08" (1/1) ... [2023-12-02 21:19:08,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:19:08,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:19:08,173 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:19:08,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:19:08,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:19:08,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:19:08,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:19:08,208 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2023-12-02 21:19:08,208 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2023-12-02 21:19:08,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-02 21:19:08,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 21:19:08,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-02 21:19:08,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:19:08,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:19:08,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 21:19:08,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:19:08,299 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:19:08,301 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:19:08,566 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:19:08,649 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:19:08,649 INFO L309 CfgBuilder]: Removed 14 assume(true) statements. [2023-12-02 21:19:08,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:19:08 BoogieIcfgContainer [2023-12-02 21:19:08,651 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:19:08,652 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:19:08,652 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:19:08,660 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:19:08,661 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:19:08" (1/1) ... [2023-12-02 21:19:08,668 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:19:08,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:08,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 36 states and 55 transitions. [2023-12-02 21:19:08,717 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 55 transitions. [2023-12-02 21:19:08,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 21:19:08,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:08,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:08,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:08,859 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 21:19:08,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:08,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 36 states and 48 transitions. [2023-12-02 21:19:08,883 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 48 transitions. [2023-12-02 21:19:08,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 21:19:08,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:08,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:08,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:08,941 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 21:19:08,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:08,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2023-12-02 21:19:08,953 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2023-12-02 21:19:08,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 21:19:08,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:08,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:08,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:09,015 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 21:19:09,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:09,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 36 states and 44 transitions. [2023-12-02 21:19:09,026 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2023-12-02 21:19:09,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 21:19:09,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:09,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:09,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:09,105 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 21:19:09,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:09,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 37 states and 45 transitions. [2023-12-02 21:19:09,123 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2023-12-02 21:19:09,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 21:19:09,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:09,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:09,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:19:09,173 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:19:09,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:19:09,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:19:09,286 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:19:09,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:19:09,336 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2023-12-02 21:19:09,364 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated [2023-12-02 21:19:09,365 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated [2023-12-02 21:19:09,365 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret17 could not be translated [2023-12-02 21:19:09,366 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret17 could not be translated [2023-12-02 21:19:09,366 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated [2023-12-02 21:19:09,366 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated [2023-12-02 21:19:09,367 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated [2023-12-02 21:19:09,367 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret17 could not be translated [2023-12-02 21:19:09,367 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated [2023-12-02 21:19:09,367 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret18 could not be translated [2023-12-02 21:19:09,367 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret17 could not be translated [2023-12-02 21:19:09,368 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret18 could not be translated [2023-12-02 21:19:09,368 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated [2023-12-02 21:19:09,368 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated [2023-12-02 21:19:09,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:19:09 ImpRootNode [2023-12-02 21:19:09,374 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:19:09,374 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:19:09,374 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:19:09,375 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:19:09,375 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:19:08" (3/4) ... [2023-12-02 21:19:09,377 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:19:09,378 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:19:09,379 INFO L158 Benchmark]: Toolchain (without parser) took 1565.93ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 56.6MB in the end (delta: 34.7MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2023-12-02 21:19:09,379 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 104.9MB. Free memory is still 58.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:19:09,380 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.67ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 79.5MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 21:19:09,381 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.43ms. Allocated memory is still 142.6MB. Free memory was 79.2MB in the beginning and 77.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:19:09,381 INFO L158 Benchmark]: Boogie Preprocessor took 34.07ms. Allocated memory is still 142.6MB. Free memory was 77.4MB in the beginning and 75.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:19:09,382 INFO L158 Benchmark]: RCFGBuilder took 508.38ms. Allocated memory is still 142.6MB. Free memory was 75.7MB in the beginning and 104.3MB in the end (delta: -28.5MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2023-12-02 21:19:09,382 INFO L158 Benchmark]: CodeCheck took 721.72ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 57.1MB in the end (delta: 47.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-12-02 21:19:09,383 INFO L158 Benchmark]: Witness Printer took 4.02ms. Allocated memory is still 142.6MB. Free memory was 57.1MB in the beginning and 56.6MB in the end (delta: 576.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:19:09,386 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 2 procedures, 36 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 253 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 115 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 115 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 424 GetRequests, 422 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, 0.2s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 61 ConstructedInterpolants, 0 QuantifiedInterpolants, 62 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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 - UnprovableResult [Line: 88]: 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 75, overapproximation of someBinaryArithmeticFLOAToperation at line 82. Possible FailurePath: [L13] static const float one_modf = 1.0; [L82] float x = 0.0f / 0.0f; [L83] float iptr; [L84] CALL, EXPR modf_float(x, &iptr) [L16] __int32_t i0, j0; [L17] __uint32_t i; VAL [\old(x)=2, iptr={28873:0}, iptr={28873:0}, one_modf=1, x=2] [L19] ieee_float_shape_type gf_u; [L20] EXPR gf_u.value = (x) [L21] EXPR gf_u.word [L21] EXPR (i0) = gf_u.word [L18-L22] { ieee_float_shape_type gf_u; gf_u.value = (x); (i0) = gf_u.word; } VAL [\old(x)=2, i0=0, iptr={28873:0}, iptr={28873:0}, one_modf=1, x=2] [L23] j0 = ((i0 >> 23) & 0xff) - 0x7f VAL [\old(x)=2, i0=0, iptr={28873:0}, iptr={28873:0}, j0=-127, one_modf=1, x=2] [L24] COND TRUE j0 < 23 VAL [\old(x)=2, i0=0, iptr={28873:0}, iptr={28873:0}, j0=-127, one_modf=1, x=2] [L25] COND TRUE j0 < 0 VAL [\old(x)=2, i0=0, iptr={28873:0}, iptr={28873:0}, j0=-127, one_modf=1, x=2] [L27] ieee_float_shape_type sf_u; [L28] EXPR sf_u.word = (i0 & 0x80000000) [L29] EXPR sf_u.value [L29] EXPR (*iptr) = sf_u.value [L26-L30] { ieee_float_shape_type sf_u; sf_u.word = (i0 & 0x80000000); (*iptr) = sf_u.value; } VAL [\old(x)=2, i0=0, iptr={28873:0}, iptr={28873:0}, j0=-127, one_modf=1, x=2] [L31] return x; VAL [\old(x)=2, \result=2, i0=0, iptr={28873:0}, iptr={28873:0}, j0=-127, one_modf=1, x=2] [L84] RET, EXPR modf_float(x, &iptr) [L84] float res = modf_float(x, &iptr); [L87] EXPR \read(iptr) VAL [iptr={28873:0}, one_modf=1, res=2, x=2] [L87] CALL, EXPR isnan_float(iptr) VAL [\old(x)=4, one_modf=1] [L75] return x != x; [L87] RET, EXPR isnan_float(iptr) VAL [iptr={28873:0}, one_modf=1, res=2, x=2] [L87] isnan_float(iptr) && !isnan_float(res) VAL [iptr={28873:0}, one_modf=1, res=2, x=2] [L87] CALL, EXPR isnan_float(res) VAL [\old(x)=2, one_modf=1] [L75] return x != x; [L87] RET, EXPR isnan_float(res) VAL [iptr={28873:0}, one_modf=1, res=2, x=2] [L87] isnan_float(iptr) && !isnan_float(res) VAL [iptr={28873:0}, one_modf=1, res=2, x=2] [L87] COND TRUE isnan_float(iptr) && !isnan_float(res) [L88] reach_error() VAL [iptr={28873:0}, one_modf=1, res=2, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 104.9MB. Free memory is still 58.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 247.67ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 79.5MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.43ms. Allocated memory is still 142.6MB. Free memory was 79.2MB in the beginning and 77.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.07ms. Allocated memory is still 142.6MB. Free memory was 77.4MB in the beginning and 75.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 508.38ms. Allocated memory is still 142.6MB. Free memory was 75.7MB in the beginning and 104.3MB in the end (delta: -28.5MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * CodeCheck took 721.72ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 57.1MB in the end (delta: 47.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Witness Printer took 4.02ms. Allocated memory is still 142.6MB. Free memory was 57.1MB in the beginning and 56.6MB in the end (delta: 576.2kB). 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: IdentifierExpression #t~mem16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem16 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 [2023-12-02 21:19:09,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/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_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/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_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1210.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/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_5483990f-0aa8-4769-aec0-824ad3e47215/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 72a09b82a82aabea0c4a084a3d99a9a83ff3f66f3965fc10414482ebb802703c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:19:11,314 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:19:11,388 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 21:19:11,420 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:19:11,421 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:19:11,422 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:19:11,422 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:19:11,423 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:19:11,424 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:19:11,424 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:19:11,425 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:19:11,425 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:19:11,426 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:19:11,426 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:19:11,427 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:19:11,428 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:19:11,428 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:19:11,429 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:19:11,429 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:19:11,430 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:19:11,431 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:19:11,431 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:19:11,432 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:19:11,432 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:19:11,433 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:19:11,433 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:19:11,434 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:19:11,434 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:19:11,435 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:19:11,435 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:19:11,436 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:19:11,436 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:19:11,436 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:19:11,437 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:19:11,437 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:19:11,437 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:19:11,438 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:19:11,438 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_5483990f-0aa8-4769-aec0-824ad3e47215/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72a09b82a82aabea0c4a084a3d99a9a83ff3f66f3965fc10414482ebb802703c [2023-12-02 21:19:11,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:19:11,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:19:11,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:19:11,745 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:19:11,746 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:19:11,747 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/float_req_bl_1210.c [2023-12-02 21:19:14,453 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:19:14,661 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:19:14,661 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/sv-benchmarks/c/float-newlib/float_req_bl_1210.c [2023-12-02 21:19:14,670 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/data/e6f2422d3/35e80c49246a4e8985ea5900da667b56/FLAG0c2c150e0 [2023-12-02 21:19:14,683 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/data/e6f2422d3/35e80c49246a4e8985ea5900da667b56 [2023-12-02 21:19:14,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:19:14,687 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:19:14,688 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:19:14,688 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:19:14,693 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:19:14,694 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:19:14" (1/1) ... [2023-12-02 21:19:14,695 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b507743 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:14, skipping insertion in model container [2023-12-02 21:19:14,695 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:19:14" (1/1) ... [2023-12-02 21:19:14,722 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:19:14,904 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_5483990f-0aa8-4769-aec0-824ad3e47215/sv-benchmarks/c/float-newlib/float_req_bl_1210.c[2159,2172] [2023-12-02 21:19:14,909 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:19:14,925 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:19:14,953 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_5483990f-0aa8-4769-aec0-824ad3e47215/sv-benchmarks/c/float-newlib/float_req_bl_1210.c[2159,2172] [2023-12-02 21:19:14,954 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:19:14,972 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:19:14,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:14 WrapperNode [2023-12-02 21:19:14,973 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:19:14,974 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:19:14,974 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:19:14,975 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:19:14,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:14" (1/1) ... [2023-12-02 21:19:14,995 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:14" (1/1) ... [2023-12-02 21:19:15,021 INFO L138 Inliner]: procedures = 19, calls = 48, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 152 [2023-12-02 21:19:15,021 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:19:15,022 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:19:15,022 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:19:15,023 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:19:15,032 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:14" (1/1) ... [2023-12-02 21:19:15,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:14" (1/1) ... [2023-12-02 21:19:15,037 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:14" (1/1) ... [2023-12-02 21:19:15,037 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:14" (1/1) ... [2023-12-02 21:19:15,048 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:14" (1/1) ... [2023-12-02 21:19:15,052 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:14" (1/1) ... [2023-12-02 21:19:15,055 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:14" (1/1) ... [2023-12-02 21:19:15,057 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:14" (1/1) ... [2023-12-02 21:19:15,061 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:19:15,062 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:19:15,062 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:19:15,063 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:19:15,064 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:14" (1/1) ... [2023-12-02 21:19:15,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:19:15,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:19:15,097 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:19:15,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:19:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:19:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:19:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:19:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-02 21:19:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2023-12-02 21:19:15,135 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2023-12-02 21:19:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 21:19:15,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:19:15,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:19:15,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-02 21:19:15,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 21:19:15,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:19:15,227 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:19:15,230 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:19:15,536 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:19:15,564 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:19:15,564 INFO L309 CfgBuilder]: Removed 14 assume(true) statements. [2023-12-02 21:19:15,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:19:15 BoogieIcfgContainer [2023-12-02 21:19:15,566 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:19:15,567 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:19:15,568 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:19:15,576 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:19:15,576 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:19:15" (1/1) ... [2023-12-02 21:19:15,584 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:19:15,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:15,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 36 states and 55 transitions. [2023-12-02 21:19:15,661 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 55 transitions. [2023-12-02 21:19:15,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 21:19:15,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:15,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:19:15,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:19:15,669 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:19:15,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:19:15,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:15,810 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:19:15,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:15,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:19:15,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:19:15,873 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 21:19:15,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:19:15,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:15,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 36 states and 48 transitions. [2023-12-02 21:19:15,912 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 48 transitions. [2023-12-02 21:19:15,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 21:19:15,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:15,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:19:15,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:19:15,914 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:19:15,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 21:19:16,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:16,034 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:19:16,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:16,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:19:16,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:19:16,070 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 21:19:16,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 21:19:16,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:16,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2023-12-02 21:19:16,080 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2023-12-02 21:19:16,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 21:19:16,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:16,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:19:16,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:19:16,083 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:19:16,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 21:19:16,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:16,241 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:19:16,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:16,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:19:16,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:19:16,283 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 21:19:16,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 21:19:16,285 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 21:19:16,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:16,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 36 states and 44 transitions. [2023-12-02 21:19:16,297 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2023-12-02 21:19:16,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 21:19:16,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:16,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:19:16,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:19:16,300 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:19:16,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 21:19:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:16,461 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:19:16,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:16,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:19:16,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:19:16,522 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 21:19:16,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-12-02 21:19:16,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:16,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 37 states and 45 transitions. [2023-12-02 21:19:16,548 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2023-12-02 21:19:16,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 21:19:16,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:16,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:19:16,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:19:16,550 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:19:16,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 21:19:16,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:16,779 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:19:16,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:16,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 21:19:16,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:19:16,918 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 21:19:16,921 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2023-12-02 21:19:17,062 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:19:17,068 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 21:19:17,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-12-02 21:19:18,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:18,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 24 states and 25 transitions. [2023-12-02 21:19:18,050 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2023-12-02 21:19:18,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 21:19:18,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:18,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:19:18,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:19:18,052 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:19:18,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5483990f-0aa8-4769-aec0-824ad3e47215/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 21:19:18,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:19:18,524 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:19:18,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat